1 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4 set_nb_iterations_in_loop): Use build_int_cst instead of
6 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7 build_int_cst instead of convert.
9 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12 new value 2 for incoming.
13 * function.c (expand_function_start): Call struct_value_rtx
15 * config/sparc/sparc.md: Comment updated_return.
16 * config/sparc/sparc.opt: Add -mstd-struct-return option.
17 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
18 struct return if sparc_std_struct_return and incoming is 2.
19 (print_operand): Do not adjust return if
20 sparc_std_struct_return.
22 2006-04-04 Roger Sayle <roger@eyesopen.com>
24 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
25 convert in the middle-end.
26 * expr.c (store_expr, store_constructor, get_inner_reference,
27 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
29 * tree.c (build_range_type): Likewise.
31 2006-04-04 Tom Tromey <tromey@redhat.com>
33 * doc/install.texi (Prerequisites): Mention jar.
35 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
37 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
40 2006-04-04 Matthias Klose <doko@debian.org>
42 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
44 2006-04-03 Geoffrey Keating <geoffk@apple.com>
46 * doc/extend.texi (Function Attributes): Rewrite visibility
47 attribute documentation.
48 * doc/invoke.texi (C++ Dialect Options): Rewrite
49 -fvisibility-inlines-hidden documentation to describe something
50 entirely different, although in practise compatible.
51 (Code Gen Options): Warn about system headers in -fvisibiltity=
54 * doc/extend.texi (Other Builtins): Document that
55 __builtin_nan is a compile-time constant only when its argument
58 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
60 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
61 trying to remove TRUNCATE check if all bits outside the new mode
62 are identical to the sign bit.
64 2006-04-03 Jeff Law <law@redhat.com>
66 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
67 and operand scanning in some common cases.
69 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
70 Dale Johannesen <dalej@apple.com>
73 * regclass.c (struct reg_pref): Update documentation.
74 (regclass): Set prefclass to NO_REGS if memory is the best option.
75 (record_reg_classes): Cope with a prefclass set to NO_REGS.
76 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
77 into account. For non-registers, equate an empty preferred
78 reload class to a `!' in the constraint; move the if clause to
79 do so after those that reject the insn.
80 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
82 (find_dummy_reload): Likewise.
83 * doc/tm.texi (Register Classes): Document what it means
84 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
85 * config/i386/i386.c (ix86_preferred_reload_class): Force
86 using SSE registers (and return NO_REGS for floating-point
87 constants) if math is done with SSE.
88 (ix86_preferred_output_reload_class): New.
89 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
90 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
91 * config/i386/i386.md: Remove # register preferences.
93 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
96 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
97 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
99 (instantiate_parameters_1): Convert the operands before calling
100 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
101 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
103 2006-04-02 Roger Sayle <roger@eyesopen.com>
105 * builtins.c (dummy_object): Use build_int_cst instead of convert.
106 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
108 * dojump.c (do_jump): Likewise.
109 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
110 * gimplify.c (gimple_boolify, gimplify_init_constructor,
111 gimplify_boolean_expr): Likewise.
112 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
113 * varasm.c (array_size_for_constructor): Likewise.
114 * tree-object-size.c (compute_object_offset): Likewise.
116 2006-04-02 Roger Sayle <roger@eyesopen.com>
119 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
120 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
122 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
124 PR tree-optimization/26939
125 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
127 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
129 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
130 at_stmt. Convert the type of operands before calling
131 build_polynomial_chrec.
132 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
134 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
135 (instantiate_parameters_1): Convert the type of operands before calling
136 build_polynomial_chrec.
137 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
138 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
139 reset_evolution_in_loop): Insert asserts to check the types of the
141 (chrec_type): Moved...
142 (eq_evolutions_p): Use operand_equal_p.
143 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
144 the types of the operands.
145 (chrec_type): ...here.
146 * tree-data-ref.c (create_data_ref): Convert the operands before
147 calling chrec_replace_initial_condition.
148 (same_access_functions, analyze_subscript_affine_affine,
149 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
150 (compute_subscript_distance, analyze_ziv_subscript,
151 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
152 analyze_miv_subscript): Convert the operands before calling
153 chrec_fold_minus or chrec_fold_plus.
155 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
157 * tree-data-ref.c (compute_all_dependences): Use a pointer to
158 the dependence_relations vector.
159 (compute_data_dependences_for_loop): Adjust call to
160 compute_all_dependences.
162 2006-04-01 Roger Sayle <roger@eyesopen.com>
163 Richard Henderson <rth@redhat.com>
165 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
166 gimple_boolify on the condition before calling gimplify_expr.
168 2006-03-31 Bob Wilson <bob.wilson@acm.org>
170 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
171 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
172 the frame size. Update to use the new macros.
173 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
174 * config/xtensa/ieee754-df.S: Likewise.
176 2006-03-31 Richard Henderson <rth@redhat.com>
178 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
179 (make_edges): ... here. Control fallthru creation with a local
180 variable. Do not play with fake edges.
181 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
182 (make_goto_expr_edges): Don't play with fake edges. Make for_call
185 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
187 * dwarf2.h (DW64_CIE_ID): Define.
188 * dwarf2out.c (DWARF_CIE_ID): Define.
189 (output_call_frame_info): Output 0xffffffff before standard 8-byte
190 length header. Use DWARF_CIE_ID.
191 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
192 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
194 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
196 * config/sh/linux-atomic.asm: New file.
197 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
199 2006-03-31 DJ Delorie <dj@redhat.com>
201 * config/m32c/cond.md: Set condition flags properly throughout.
202 * config/m32c/minmax.md: Likewise.
203 * config/m32c/prologue.md: Likewise.
204 * config/m32c/bitops.md: Likewise.
205 * config/m32c/muldiv.md: Likewise.
206 * config/m32c/mov.md: Likewise.
207 * config/m32c/addsub.md: Likewise.
208 * config/m32c/m32c.md: Likewise.
209 * config/m32c/jump.md: Likewise.
210 * config/m32c/shift.md: Likewise.
212 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
213 conditionally output the pattern for this.
214 * config/m32c/m32c.c (flags_needed_for_conditional): New.
215 (m32c_compare_redundant): New.
216 (m32c_output_compare): New.
217 * config/m32c/m32c-protos.h (m32c_output_compare): New.
219 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
220 dest, not src. Allow other 4-byte modes.
222 2006-03-30 Denis Chertykov <denisc@overta.ru>
224 * doc/md.texi: Refer to avr/constraints.md instead of
227 2006-03-30 Roger Sayle <roger@eyesopen.com>
229 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
230 signed vs. unsigned comparison failures on some hosts.
232 2006-03-31 Alan Modra <amodra@bigpond.net.au>
235 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
236 change to FLOAT_REGS.
238 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
239 (rs6000_override_options): Use it.
240 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
241 only for -mabi=spe/no-spe and -mabi=altivec.
243 2006-03-30 Geoffrey Keating <geoffk@apple.com>
245 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
248 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
250 * Makefile.in: Rename docdir to gcc_docdir.
252 2006-03-30 Roger Sayle <roger@eyesopen.com>
255 * expr.c (emit_group_store): Optimize group stores into a pseudo
256 register by using a paradoxical subreg to initialize the destination
257 if the first or last member of the group specifies a "low part".
259 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
262 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
263 * target.h (struct gcc_target.speculate_insn): Change type of the
264 second parameter to 'int'.
265 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
266 the second operand of the DEPS_LIST.
267 (copy_DEPS_LIST_list): Update reference to the second operand of the
269 * rtl.h (alloc_DEPS_LIST): Update signature.
270 * sched-int.h (ds_t): Change typedef to 'int'.
271 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
273 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
275 * haifa-sched.c (try_ready): Change condition to restore
276 non-speculative pattern of the instruction.
277 (process_insn_depend_be_in_spec): Code to keep probability of the
278 speculative dependence non-decreasing.
280 2006-03-30 Jie Zhang <jie.zhang@analog.com>
282 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
283 (single_move_for_movmem): ... this. Also change all uses.
284 (bfin_expand_strmov): Renamed to...
285 (bfin_expand_movmem): ... this. Also change all uses.
286 * config/bfin/bfin.md (movstrsi): Renamed to...
289 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
291 PR tree-optimization/26830
293 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
294 (copy_prop_visit_stmt): Remove write-only variable ann.
295 (init_copy_prop): Check variable loop depth here. Do not simulate
296 memory-tag and virtual operand PHIs except for store copy prop.
298 2006-03-30 Richard Guenther <rguenther@suse.de>
300 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
301 variants with double arguments.
303 2006-03-29 David Edelsohn <edelsohn@gnu.org>
305 * genpreds.c (write_tm_constrs_h): Delete variable p.
306 * genconditions.c (write_header): Add tm-constrs.h to included
308 * genpeep.c (main): Add toplev.h to included headers.
309 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
310 (build/genpeep.o): Add toplev.h dependency.
311 * config/rs6000/constraints.md: Add "W" constraint.
313 2006-03-29 Roger Sayle <roger@eyesopen.com>
315 * stor-layout.c (mode_for_size_tree): Remove restiction on type
316 sizes by correctly testing whether the size fits a host integer.
317 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
318 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
319 SImode range for the default sizetype and bitsizetype.
321 2006-03-29 Roger Sayle <roger@eyesopen.com>
323 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
324 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
325 quickly if the argument is already of the correct type.
326 Call fold_build1 instead of build1. Tidy up blank lines.
328 2006-03-29 David Edelsohn <edelsohn@gnu.org>
330 * genemit.c (main): Add tm-constrs.h to included headers.
331 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
332 * genpeep.c (main): Add tm-constrs.h to included headers.
333 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
334 (write_tm_constrs_h): this and write complete file.
335 (write_tm_preds_h): Do not emit satisfies_constraint fns.
336 (write_insn_preds_c): Add tm-constrs.h to included headers.
337 (gen_constrs): New variable.
338 (parse_option): Parse "-c".
339 (main): Invoke write_tm_constrs_h.
340 * genrecog.c (write_header): Add tm-constrs.h to included headers.
341 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
342 (object_out_file): Add tm-constrs.h dependency.
344 (insn-output.o): Same.
346 (insn-preds.o): Same.
347 (insn-recog.o): Same.
348 (tm-constsr.h): New target.
349 (s-constrs-h): New target.
351 * config/rs6000/constraints.md: New file.
352 * config/rs6000/rs6000.c: Include tm-constrs.h.
353 (num_insn_constant_wide): Convert to satisfies_constraint.
354 (rs6000_rtx_costs): Convert to satisfies_constraint.
355 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
356 (CONST_OK_FOR_LETTER_P): Delete.
357 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
358 (EXTRA_CONSTRAINT): Delete.
359 (EXTRA_MEMORY_CONSTRAINT): Delete.
360 (EXTRA_ADDRESS_CONSTRAINT): Delete.
361 * config/rs6000/predicates.md: Convert to satisfies_constraint.
362 * config/rs6000/rs6000.md: Include constraints.md. Convert to
363 satisfies_constraint.
365 * config/i386/i386.c: Include tm-constrs.h.
367 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
369 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
370 * tree-data-ref.c (find_data_references_in_loop,
371 compute_data_dependences_for_loop): Use pointers to VEC.
372 (analyze_all_data_dependences): Adjust calls.
373 * tree-data-ref.h (find_data_references_in_loop,
374 compute_data_dependences_for_loop): Adjust declarations.
375 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
376 compute_data_dependences_for_loop.
378 2006-03-29 Paul Brook <paul@codesourcery.com>
380 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
383 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
385 PR tree-optimization/26859
386 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
388 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
389 for the step after fold_convert.
391 2006-03-29 Paul Brook <paul@codesourcery.com>
393 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
394 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
396 2006-03-29 Paul Brook <paul@codesourcery.com>
399 * targhooks.c (default_narrow_bitfield): New fuction.
400 * targhooks.h (default_narrow_bitfield): add prototype.
401 * target.h (gcc_target): Add narrow_volatile_bitfield.
402 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
403 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
404 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
405 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
407 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
409 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
411 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
412 (NR_C_MODES): Add TDmode, DDmode and SDmode.
413 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
414 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
415 (s390_function_arg_float): Allow SDmode and DDmode values to be
416 passed in floating point registers.
417 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
418 check with SCALAR_FLOAT_MODE_P.
419 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
421 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
423 PR tree-optimization/25985
424 * tree-ssa-loop-niter.c (number_of_iterations_le,
425 number_of_iterations_ne): Make comments more precise.
426 (number_of_iterations_cond): Add only_exit argument. Use the
427 fact that signed variables do not overflow only when only_exit
429 (loop_only_exit_p): New.
430 (number_of_iterations_exit): Pass result of loop_only_exit_p to
431 number_of_iterations_cond.
433 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
435 PR tree-optimization/26643
436 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
439 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
441 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
442 (divsi3_i4_int): Likewise.
444 2006-03-28 Roger Sayle <roger@eyesopen.com>
446 * expr.c (emit_group_store): Only create a new pseudo reg if the
447 quantity it needs to hold isn't already a suitable pseudo.
449 2006-03-28 Jeff Law <law@redhat.com>
451 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
452 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
454 2006-03-28 Roger Sayle <roger@eyesopen.com>
456 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
457 the equivalent ~X & Y, and the symmetry related transformations.
458 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
459 ~X & Y, and symmetry related transforms.
461 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
463 Revert my 2006-03-27 patches.
465 2006-03-28 Roger Sayle <roger@eyesopen.com>
467 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
468 ~(T1)X, when T1 and T2 are integer types of the same precision
469 and (T2)X isn't an extension.
471 2006-03-28 Jeff Law <law@redhat.com>
473 PR tree-optimization/26796
474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
475 need EH edge cleanups rather than purging them immediately.
476 (eliminate_degenerate_phis): Handle queued EH cleanups.
478 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
480 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
483 2006-03-27 Roger Sayle <roger@eyesopen.com>
486 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
487 cast BIT_NOT_EXPR operand to the correct type.
489 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
491 * tree-loop-linear.c: Don't include varray.h.
492 (gather_interchange_stats, try_interchange_loops,
493 linear_transform_loops): Use VEC instead of VARRAY.
494 * lambda-mat.c: Don't include varray.h.
495 * tree-chrec.c: Same.
496 * lambda-trans.c: Same.
497 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
498 VEC instead of VARRAY.
499 * tree-vectorizer.h: Idem.
500 * tree-data-ref.c (dump_data_references,
501 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
502 initialize_data_dependence_relation, finalize_ddr_dependent,
503 compute_all_dependences, find_data_references_in_loop,
504 compute_data_dependences_for_loop, analyze_all_data_dependences,
505 free_dependence_relation, free_dependence_relations,
506 free_data_refs): Idem.
507 * tree-data-ref.h (data_reference_p, subscript_p): New.
508 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
509 VEC instead of VARRAY.
510 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
511 (find_data_references_in_loop, compute_data_dependences_for_loop,
512 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
513 dump_data_dependence_relations, free_dependence_relations,
514 free_data_refs): Adjust declaration.
515 (lambda_transform_legal_p): Move declaration here...
516 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
517 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
518 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
519 vect_analyze_data_refs): Use VEC instead of VARRAY.
520 * lambda.h (lambda_transform_legal_p): ...from here.
521 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
522 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
523 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
524 tree-chrec.o): Don't depend on VARRAY_H.
526 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
528 * rtl.def (Copyright): Update date.
529 (DEPS_LIST): Change type of the second operand to 'int'.
530 * target.h (Copyright): Update date.
531 (struct gcc_target.speculate_insn): Change type of the second parameter
533 * lists.c (Copyright): Update date.
534 (alloc_DEPS_LIST): Change signature. Update reference to the second
535 operand of the DEPS_LIST.
536 (copy_DEPS_LIST_list): Update reference to the second operand of the
538 * rtl.h (Copyright): Update date.
539 (alloc_DEPS_LIST): Update signature.
540 * sched-int.h (Copyright): Update date.
541 (ds_t): Change typedef to 'int'.
542 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
544 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
546 * haifa-sched.c (Copyright): Update date.
547 (try_ready): Change condition to restore non-speculative pattern
549 (process_insn_depend_be_in_spec): Code to keep probability of the
550 speculative dependence non-decreasing.
552 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
554 * regrename.c (replace_oldest_value_addr): Initialize a variable to
555 shut up the compiler.
557 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
559 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
560 to use lib prefix for target.
561 ($(T)libic_invalidate_array_4-200.a): Likewise.
562 ($(T)libic_invalidate_array_4a.a): Likewise.
564 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
565 J"orn Rennecke <joern.rennecke@st.com>
567 * superh.opt: New file.
568 * sh.c (boardtype, osruntime): Remove.
569 * superh.h (SUBTARGET_OPTIONS): Remove.
570 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
572 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
573 arguments with ^ and/or [].
575 * config.gcc (sh-*-*): Add quoting to account for quirk of
577 Replace == with = in enable_incomplete_targets test.
579 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
580 with MASK_LITTLE_ENDIAN.
582 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
583 * config/sh/sh.opt: Added to some comments.
584 * config/sh/superh.h: Removed some chaff.
586 * config/sh/sh.opt: Add m4-[1234]00* options.
587 * config/sh/sh.c (sh_handle_option): Likewise.
588 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
589 (ic_invalidate_array_4-100.o): New rule.
590 ($(T)libic_invalidate_array_4-100.a): Likewise.
591 (ic_invalidate_array_4-200.o): Likewise.
592 ($(T)libic_invalidate_array_4-200.a): Likewise.
593 (ic_invalidate_array_4a.o): Likewise.
594 ($(T)libic_invalidate_array_4a.a): Likewise.
595 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
596 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
598 * config/sh/crt1.asm: Merged in profiling code.
599 * config/sh/superh.h (STARTFILE_SPEC): Override.
600 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
601 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
602 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
604 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
605 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
606 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
608 * sh.opt (mpretend-cmove): New option.
609 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
610 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
611 (movsicc): Add TARGET_PRETEND_CMOVE code.
613 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
615 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
616 s390_class_max_nregs): New function prototypes.
617 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
618 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
619 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
620 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
622 2006-03-26 Geoffrey Keating <geoffk@apple.com>
624 * dwarf2out.c (add_location_or_const_value_attribute): Call
625 tree_add_const_value_attribute if nothing else works.
626 (reference_to_unused): New.
627 (rtl_for_decl_init): Use reference_to_unused to decide whether
628 to output an initializer.
630 2006-03-27 Alan Modra <amodra@bigpond.net.au>
633 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
634 peephole removing spe frob_di_df_2.
636 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
638 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
639 (subscript_dependence_tester_1): Declared.
640 (print_dir_vectors, print_dist_vectors): New.
641 (debug_data_dependence_relation): New.
642 (dump_data_dependence_relation): Print more details.
643 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
644 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
645 (save_dist_v, save_dir_v, add_outer_distances,
646 build_classic_dist_vector_1): New.
647 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
648 Don't test for lambda_vector_lexico_pos.
649 (same_access_functions, add_multivariate_self_dist,
650 add_other_self_distances, dir_from_dist): New.
651 (build_classic_dir_vector): Replace implementation almost identical to
652 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
654 (subscript_dependence_tester_1): New.
655 (subscript_dependence_tester): Handle the lexicographically negative
656 distance vectors by recomputing the dependence relation.
657 (compute_affine_dependence): Remove parameter loop_nest_depth.
658 (compute_self_dependence): Don't call compute_subscript_distance.
659 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
660 Add a parameter for the loop_nest.
661 (find_loop_nest_1, find_loop_nest): New.
662 (compute_data_dependences_for_loop): Compute the loop nest, and give
663 up if the nest is not well formed.
664 * tree-data-ref.h (loop_p): New.
665 (struct data_dependence_relation): Replace size_vect field with
666 loop_nest, a vec of loops.
667 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
668 (DDR_LOOP_NEST): New.
669 (print_dir_vectors, print_dist_vectors,
670 debug_data_dependence_relation): Declared.
671 (index_in_loop_nest): New.
672 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
673 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
676 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
678 * simplify-rtx.c (simplify_relational_operation): Call
679 simplify_relational_operation_1 even if mode is VOIDmode.
681 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
683 PR tree-optimization/26804
684 * tree.h (DECL_CALL_CLOBBERED): New macro.
685 (tree_decl_common): Add call_clobbered_flag.
686 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
687 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
688 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
689 (mark_non_addressable): Ditto.
690 * tree-ssa.c (verify_call_clobbered): New function.
691 (verify_alias_info): Use it.
692 * tree-pass.h (pass_reset_cc_flags): New prototype.
693 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
694 (reset_cc_flags): New function.
695 * passes.c (init_optimization_passes): Call reset_cc_flags after
696 initializing referenced_vars.
698 2006-03-25 Uros Bizjak <uros@kss-loka.si>
699 Roger Sayle <roger@eyesopen.com>
702 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
703 to 1.0 for non-real operands. Implement A / A optimization for
706 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
708 * config/i386/i386.c (size_cost): Correct the comment for
709 cost of storing fp registers.
710 (i386_cost): Likewise.
711 (i486_cost): Likewise.
712 (pentium_cost): Likewise.
713 (pentiumpro_cost): Likewise.
715 (athlon_cost): Likewise.
717 (pentium4_cost): Likewise.
718 (nocona_cost): Likewise.
719 (generic64_cost): Likewise.
720 (generic32_cost): Likewise.
722 2006-03-24 Denis Chertykov <denisc@overta.ru>
724 * config/avr/avr-protos.h (extra_constraint): Delete.
725 (extra_constraint_Q): New declaration.
726 * config/avr/constraints.md: New file.
727 * config/avr/avr.md: Include it.
728 (REG_X, REG_Y, REG_Z, REG_W): New constants.
729 (TMP_REGNO, ZERO_REGNO): Likewise.
730 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
731 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
732 (extra_constraint): Delete.
733 (extra_constraint_Q): Test for memory constraint 'Q'.
734 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
735 (REG_CLASS_FROM_LETTER): Delete.
736 (CONST_OK_FOR_LETTER_P): Delete.
737 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
738 (EXTRA_CONSTRAINT): Delete.
740 (ZERO_REGNO): Delete.
742 2006-03-24 Jeff Law <law@redhat.com>
744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
745 directly. Call mark_new_vars_to_rename slightly earlier.
747 2006-03-24 Geoffrey Keating <geoffk@apple.com>
749 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
751 (gen_compile_unit_die): Use new language types for Objective-C and
753 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
757 * config/t-darwin (crt3.o): Work around bug 26840.
758 * config/darwin-crt3.c: Rewrite.
759 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
761 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
763 * doc/invoke.texi: Document -femit-class-debug-always
764 * common.opt: Add -femit-class-debug-always.
766 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
768 * config/s390/s390.c (s390_decompose_address): Allow SImode for
769 index and base register.
770 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
771 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
772 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
773 REGNO_OK_FOR_INDEX_P.
774 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
776 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
777 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
778 REG_OK_FOR_BASE_P): Definitions removed.
780 2006-03-24 Jakub Jelinek <jakub@redhat.com>
783 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
784 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
785 set yet or weren't marked as local yet.
787 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
789 * regrename.c (scan_rtx_address): Initialize a variable to shut up
792 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
794 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
795 (rs6000_legitimate_small_data_p): Delete.
796 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
797 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
798 and make static. Add forward declaration. Update uses.
799 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
800 of offsettable_memref_p.
801 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
802 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
804 2006-03-24 Jeff Law <law@redhat.com>
806 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
807 around bug in immediate-use iterator.
809 2006-03-24 Alan Modra <amodra@bigpond.net.au>
812 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
813 or __LITTLE_ENDIAN__.
815 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
817 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
818 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
819 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
820 * config/sh/sh.opt (mdiv=): Amend description.
821 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
822 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
823 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
824 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
825 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
826 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
827 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
828 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
829 TARGET_DIVIDE_CALL_FP.
831 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
833 * haifa-sched.c (choose_ready): Fix type of the local variable.
834 Move local variables. Add comment.
835 (check_reg_live): Change signature. Make callable from debugger.
836 * sched-int.h (check_reg_live): Update signature.
837 * sched-ebb.c (check_reg_live): Update parameters.
838 * sched-rgn.c (check_reg_live): Ditto.
839 (region_head_or_leaf_p): Check pointer before dereferencing.
840 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
841 before reload on optimization levels below 1.
843 2006-03-23 Richard Henderson <rth@redhat.com>
845 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
849 * config/alpha/predicates.md (local_symbolic_operand): Reject
852 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
855 * tree-ssa-pre.c (create_value_expr_from): Don't reject
856 expressions which have overflowed constants.
858 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
860 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
862 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
864 * cfgloopmanip.c (create_loop_notes): Removed.
865 * final.c (final_scan_insn): Do not handle loop notes.
866 * jump.c (squeeze_notes): Ditto.
867 * cfglayout.c (skip_insns_after_block,
868 duplicate_insn_chain): Ditto.
869 * cfgcleanup.c (rest_of_handle_jump2): Do not call
871 * cfgloop.h (create_loop_notes): Declaration removed.
873 2006-03-23 Richard Sandiford <richard@codesourcery.com>
875 * varasm.c (output_constant_pool): Restore fnname and fndecl
877 (assemble_start_function): Adjust call accordingly.
878 (assemble_end_function): Likewise.
880 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
883 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
886 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
888 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
891 * system.h (ICE_EXIT_CODE): New macro.
892 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
893 (diagnostic_action_after_output): Likewise.
894 * gcc.c (fatal_ice): New function.
895 (execute): Use it instead of fatal.
896 (fancy_abort): Likewise.
897 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
899 2006-03-22 Jeff Law <law@redhat.com>
901 * loop-unroll.c (analyze_iv_to_split_insn): Handle
902 iv_analyze_result returning false.
904 2006-03-22 Jie Zhang <jie.zhang@analog.com>
906 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
908 2006-03-22 Richard Henderson <rth@redhat.com>
911 * except.c (duplicate_eh_regions_0): New.
912 (duplicate_eh_region_1): Duplicate the children of the node as
913 well as the node itself. Link them up properly.
914 (duplicate_eh_region_2): Merge into ...
915 (duplicate_eh_regions): ... here. Take copy_region argument, and
916 copy only a sub-tree if asked. Simplify copying and fixup.
917 (eh_region_outer_p): New.
918 * except.h (duplicate_eh_regions): Update decl.
919 (eh_region_outer_p): Declare.
920 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
921 (lower_omp_master): Likewise.
922 (lower_omp_ordered): Likewise.
923 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
924 (move_stmt_r): Use it to remap labels. Handle recursion vs
925 remap_decls_p properly.
926 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
927 (find_outermost_region_in_block): New.
928 (new_label_mapper): New.
929 (move_sese_region_to_fn): Copy eh information to the new function
931 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
933 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
936 2006-03-22 Richard Sandiford <richard@codesourcery.com>
938 * doc/md.texi (-mshared): Mention that -mshared code can be linked
939 into shared libraries.
941 2006-03-22 Richard Sandiford <richard@codesourcery.com>
943 * doc/md.texi: Refer to i386/constraints.md instead of
945 * config/i386/constraints.md: New file, extracted from...
946 * config/i386/predicates.md: ...here.
947 * config/i386/i386.md: Include constraints.md.
949 2006-03-21 Jason Merrill <jason@redhat.com>
951 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
954 * expr.c (init_block_move_fn): Force default visibility.
955 (init_block_clear_fn): Likewise.
956 * builtins.c (expand_builtin_fork_or_exec): Likewise.
957 * targhooks.c (default_external_stack_protect_fail): Likewise.
959 2006-03-21 Richard Sandiford <richard@codesourcery.com>
961 * config/mips/predicates.md (const_call_insn_operand): Allow direct
962 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
963 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
964 Use TARGET_OLDABI instead of !TARGET_NEWABI.
965 (loadgp): Use mips_current_loadgp_style.
966 (loadgp_noshared): New pattern.
967 (sibcall_internal): Use MIPS_CALL.
968 (sibcall_value_internal): Likewise.
969 (sibcall_value_multiple_internal): Likewise.
970 (call_internal): Likewise.
971 (call_value_internal): Likewise.
972 (call_value_multiple_internal): Likewise.
973 (call_split): Use MIPS_CALL and add an 'S' constraint.
974 (call_value_split): Likewise.
975 (call_value_multiple_split): Likewise.
976 * config/mips/mips.opt (-mabicalls): Tweak docstring.
977 (-mshared): New option.
978 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
979 (mips_current_loadgp_style): Declare.
980 * config/mips/mips.c (mips_classify_symbol): Avoid using
981 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
982 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
983 TARGET_ABSOLUTE_ABICALLS.
984 (override_options): Adjust comments. Improve the warning that is
985 issued when -mabicalls and -G are used together.
986 (mips_file_start): Remove comment.
987 (mips_current_loadgp_style): New function.
988 (mips_gnu_local_gp): New variable.
989 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
991 (mips_output_function_prologue): Use mips_current_laodgp_style.
992 (mips_expand_prologue): Call mips_emit_loadgp before emitting
993 the cprestore instruction.
994 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
995 live for TARGET_ABSOLUTE_ABICALLS.
996 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
997 (ASM_SPEC): Pass down -mshared and -mno-shared.
998 (MIPS_CALL): New macro.
999 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1001 * doc/invoke.texi (-mabicalls): Update documentation.
1002 (-mshared): Document.
1004 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1006 * config/ia64/unwind-hpux.c: New file.
1007 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1009 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1012 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1014 2006-03-21 Jeff Law <law@redhat.com>
1016 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1017 type conversions of a VR_VARYING source to a wider type.
1019 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1021 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1022 tm_file on Solaris 10 and later.
1023 (sparc64-*-solaris2*): Likewise.
1024 (sparc-*-solaris2*): Likewise.
1025 * config/sol26.h: Rename to config/sol2-6.h.
1026 * config/sol2-10.h: New file.
1028 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1031 * tree-ssa-pre.c (create_component_ref_by_pieces):
1034 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1037 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1038 return it immediately.
1040 2006-03-21 Michael Matz <matz@suse.de>
1042 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1044 (remove_arc, add_arc): Update num_out_arcs member.
1045 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1047 (cache_presence): New function.
1048 (compare_states_for_equiv): New function.
1049 (state_is_differed): Don't take number of outargs, adjust callers.
1050 Use new invariant for speeding up.
1051 (init_equiv_class): Create initial classes based on sorted
1053 (partition_equiv_class): Don't track out_arcs_num.
1054 (evaluate_equiv_classes): Call cache_presence on all states and
1057 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1059 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1060 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1061 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1062 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1064 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1065 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1066 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1067 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1068 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1070 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1071 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1072 (REGNO_REG_CLASS): ARGP is in PREGS.
1073 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1075 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1076 to deal with those addresses.
1077 * addresses.h: New file.
1078 * caller-save.c: Include "addresses.h".
1079 (init_caller_save): Use new base_reg_class function.
1080 * rtl-factoring.c: Include "addresses.h".
1081 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1082 * recog.c: Include "addresses.h".
1083 (preprocess_constraints): Use new base_reg_class function.
1084 * regrename.c: Include "addresses.h".
1085 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1086 functions. Keep track of a new var INDEX_CODE to compute valid
1088 (replace_oldest_value_addr): Likewise.
1089 (replace_oldest_value_mem): Use base_reg_class.
1090 * reload.c: Include "addresses.h".
1091 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1092 (find_reloads): Use new base_reg_class function.
1093 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1094 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1095 all callers and prototype changed.
1096 * reload1.c: Include "addresses.h".
1097 (maybe_fix_stack_asms): Use base_reg_class.
1098 * regclass.c: Include "addresses.h".
1099 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1100 (init_reg_autoinc): Use new base_reg_class function.
1101 (record_reg_classes): Likewise.
1102 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1103 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1104 Use new args to compute necessary class.
1106 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1107 regrename.o, rtl-factoring.o): Update dependencies.
1108 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1109 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1110 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1111 REG_OK_FOR_INDEX_P): Delete documentation.
1113 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1115 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1116 from V7 to V9 for Solaris 7 and above.
1118 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1120 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1121 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1122 argument pointers may not alias any other storage.
1123 * common.opt: Define option -fargument-noalias-anything.
1124 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1125 alias semantics is specified by flag_argument_noalias > 2.
1127 2006-03-20 Jeff Law <law@redhat.com>
1129 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1130 (pass_phi_only_cprop): Declare.
1131 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1133 * tree-ssa-dom.c (degenerate_phi_result): New function.
1134 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1135 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1136 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1137 (eliminate_degenerate_phis): Likewise.
1138 (pass_phi_only_cprop): New pass descriptor.
1139 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1140 support code. Callers updated.
1141 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1142 (store_copy_prop): Likewise.
1143 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1145 2006-03-20 Jason Merrill <jason@redhat.com>
1148 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1149 (push_visibility, pop_visibility): Likewise.
1150 * c-pragma.h: Declare them.
1152 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1154 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1156 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1157 parameter and use get_ebb_head_tail.
1158 (sh_md_init_global): Adjust uses of find_regmode_weight.
1160 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1162 * function.h (struct function) <x_tail_recursion_reentry>:
1163 Rename to x_stack_check_probe_note.
1164 (tail_recursion_reentry): Rename to stack_check_probe_note.
1165 * function.c: Replace tail_recursion_reentry with
1166 stack_check_probe_note everywhere.
1167 (expand_function_start): Only emit a note for
1168 stack_check_probe_note with -fstack-protect.
1169 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1171 * emit-rtl.c (remove_unnecessary_notes): Remove.
1172 (pass_remove_unnecessary_notes): Remove.
1173 * rtl.h (remove_unnecessary_notes): Remove prototype.
1174 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1175 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1176 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1178 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1181 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1182 (valid_in_set): Handle ARRAY_REF.
1183 Change "if min_variant or VH" to asserts.
1184 (create_component_ref_by_pieces): Handle ARRAY_REF.
1185 (create_expression_by_pieces): Likewise.
1186 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1188 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1190 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1191 is operand of switch, not str[0].
1193 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1195 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1196 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1198 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1200 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1201 end of insn_extra_address_constraint declaration.
1203 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1205 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1206 (no-sum-in-toc): Same.
1207 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1209 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1210 NO_FP_IN_TOC for -fPIC instead of mask.
1212 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1213 (BOOT_LDFLAGS): Delete.
1215 * config/rs6000/t-aix52: Same.
1217 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1218 (stmsi[345678]_power): New.
1220 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1222 * config/ia64/ia64.opt: Add empty line to end of file.
1224 2006-03-17 Richard Guenther <rguenther@suse.de>
1227 * builtins.c (get_pointer_alignment): For component style references
1228 adjust alignment to the component type alignment. Make sure
1229 to adjust alignment for component access of constants.
1231 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1233 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1236 2006-03-17 Paul Brook <paul@codesourcery.com>
1238 * doc/install.texi: Docuemnt --with-mode.
1239 * config.gcc: Add --with-mode for arm*-*-*.
1240 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1242 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1244 * sh.c (max_labelno_before_reorg): New variable.
1245 (sh_reorg): Initialize it.
1246 (find_barrier): Check max_labelno_before_reorg before using
1247 label_to_alignment. Take length of explicit alignment insns
1248 into account. When seeing a UNSPECV_CONST_END, return it.
1250 * sh.c (fixup_mova): Set mode of affected label to QImode.
1251 (untangle_mova): New function.
1252 (find_barrier): Use it. Check mode of label before decrementing
1254 (sh_reorg): Likewise.
1255 Set mode of all insns back to VOIDmode.
1257 * sh.c (MOVA_LABELREF): New macro.
1258 (mova_p, fixup_mova, sh_reorg): Use it.
1259 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1260 ADDR_DIFF_VEC matches mova.
1262 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1264 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1265 with ATTRIBUTE_UNUSED.
1267 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1269 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1270 pointer, instead of assuming it is possible to derive the
1271 correct args size from a call insn.
1273 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1275 * rtl.h (CONST_INT_P): Define.
1276 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1277 instead of GET_CODE(x) == CONST_INT.
1278 (vax_rtx_costs): Likewise.
1279 (vax_output_int_move): Likewise.
1280 (vax_output_int_add): Likewise.
1281 (legitimate_constant_address_p): Likewise.
1282 (index_term_p): Likewise.
1283 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1284 * config/vax/vax.md (and<mode>3): Likewise.
1285 (ashrsi3): Likewise.
1287 (movstricthi): Likewise.
1288 (movstrictqi): Likewise.
1289 (rotrsi3): Likewise.
1290 (five unnamed insns): Likewise.
1292 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1294 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1295 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1296 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1297 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1298 Pass to ASM_OUTPUT_DWARF_OFFSET.
1299 * dwarf2out.c (debug_frame_section): New.
1300 (output_call_frame_info): Use debug_frame_section. Pass it to
1301 dw2_asm_output_offset.
1302 (output_die): Pass appropriate section to dw2_asm_output_offset.
1303 (output_compilation_unit_header): Likewise.
1304 (output_pubnames): Likewise.
1305 (output_aranges): Likewise.
1306 (enum dw_val_class): Break dw_val_class_lbl_offset into
1307 dw_val_class_lineptr and dw_val_class_macptr.
1308 (add_AT_lbl_offset): Delete.
1309 (add_AT_lineptr): New.
1310 (add_AT_macptr): New.
1311 (AT_lbl): Expect a lineptr or macptr.
1312 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1313 (attr_checksum): Likewise.
1314 (same_dw_val_p): Likewise.
1315 (size_of_die): Likewise.
1316 (value_format): Likewise.
1317 (output_die): Likewise.
1318 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1320 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1321 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1322 * config/darwin-protos.h (darwin_file_start): New.
1323 (darwin_asm_output_dwarf_offset): New.
1324 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1325 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1327 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1328 if not EH section; simplify.
1329 (darwin_file_start): New.
1330 (darwin_asm_output_dwarf_offset): New.
1331 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1333 (DEBUG_INFO_SECTION): Likewise.
1334 (DEBUG_ABBREV_SECTION): Likewise.
1335 (DEBUG_ARANGES_SECTION): Likewise.
1336 (DEBUG_MACINFO_SECTION): Likewise.
1337 (DEBUG_LINE_SECTION): Likewise.
1338 (DEBUG_LOC_SECTION): Likewise.
1339 (DEBUG_PUBNAMES_SECTION): Likewise.
1340 (DEBUG_STR_SECTION): Likewise.
1341 (DEBUG_RANGES_SECTION): Likewise.
1342 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1343 (ASM_OUTPUT_DWARF_OFFSET): New.
1345 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1347 * config.gcc (tm_defines): Always add to previous value rather
1350 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1352 * config/mips/predicates.md (splittable_const_int_operand): New,
1353 split from move_operand.
1354 (splittable_symbolic_operand): New.
1355 (move_operand): Add commentary. Use splittable_const_int_operand.
1356 Inline mips_atomic_symbolic_constant_p.
1357 * config/mips/mips.md: Add combine splitters for handling moves
1358 of splittable_const_int_operands and splittable_symbolic_operands.
1359 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1360 (mips_split_symbol): Declare.
1361 (mips_move_integer): Declare.
1362 * config/mips/mips.c (mips_split_p): Make global.
1363 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1364 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1365 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1366 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1367 (mips_offset_within_object_p): Handle block symbols.
1368 (mips_atomic_symbolic_constant_p): Delete.
1369 (mips_cannot_force_const_mem): Return false for constants that
1370 mips_legitimize_move can handle.
1371 (mips_use_blocks_for_constant_p): New function.
1372 (mips_split_symbol): Make global.
1373 (mips_move_integer): Likewise. Add a temporary register argument.
1374 (mips_legitimize_const_move): Use splittable_const_int_operand and
1375 splittable_symbolic_operand.
1376 (mips_use_anchors_for_symbol_p): New function.
1377 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1378 (mips_split_p): Declare.
1380 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1382 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1383 (mips*-*-linux*): Likewise.
1385 2006-03-16 Roger Sayle <roger@eyesopen.com>
1386 Daniel Speyer <dspeyer@wam.umd.edu>
1389 * tree-dump.c (dump_real): New function.
1390 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1391 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1392 (tree-dump.o): Add $(REAL_H) to the dependencies.
1394 2006-03-16 Roger Sayle <roger@eyesopen.com>
1397 * real.c (real_from_string): If the mantissa is zero, don't bother
1398 parsing the exponent as the result should always be zero.
1400 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1402 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1406 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1407 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1408 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1409 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1410 ia64_sched_finish_global): New static functions to implement
1411 hooks from gcc_target.sched.
1412 (spec_check_no, max_uid, pending_data_specs): New static variables.
1413 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1414 ia64_spec_check_src_p): New static functions.
1415 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1416 (TARGET_SCHED_ADJUST_COST): Removed.
1417 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1418 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1419 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1420 TARGET_SCHED_GEN_CHECK,
1421 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1422 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1423 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1424 Fixed to handle speculation checks.
1425 (rtx_needs_barrier): Fixed to handle speculative loads and
1427 (ia64_variable_issue): Added code to count speculative loads and their
1429 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1431 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1433 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1435 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1436 (ia64_reorg): Reset stops_p to NULL after it is freed.
1437 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1438 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1439 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1441 (data_speculative, control_speculative, check_load): New attributes.
1442 (mov<mode>_advanced, mov<mode>_speculative,
1443 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1444 zero_extend<mode>di2_speculative,
1445 zero_extend<mode>di2_speculative_advanced): New patterns for
1446 data and control speculative loads.
1447 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1449 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1450 New pattern for data and control speculation checks.
1451 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1452 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1453 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1454 Auxiliary definitions for the patterns.
1455 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1456 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1458 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1460 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1461 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1462 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1463 New resource constraints.
1464 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1466 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1467 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1468 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1469 msched-in-control-spec, msched-ldc, msched-control-ldc,
1470 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1471 msched-prefer-non-control-spec-insns,
1472 msched-count-spec-in-critical-path): New flags to tune speculative
1474 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1475 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1476 msched-in-control-spec, msched-ldc, msched-control-ldc,
1477 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1478 msched-prefer-non-control-spec-insns,
1479 msched-count-spec-in-critical-path): Document new flags.
1481 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1483 * target.h (struct spec_info_def): New opaque declaration.
1484 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1485 speculate_insn, needs_block_p, gen_check,
1486 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1487 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1488 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1489 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1490 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1491 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1493 (TARGET_SCHED): Use new macros.
1494 * rtl.h (copy_DEPS_LIST_list): New prototype.
1495 * sched-int.h (struct sched_info): Change signature of new_ready field,
1496 adjust all initializations. New fields: add_remove_insn,
1497 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1498 region_head_or_leaf_p.
1499 (struct spec_info_def): New structure declaration.
1500 (spec_info_t): New typedef.
1501 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1502 recovery_block, orig_pat.
1503 (glat_start, glat_end): New variables declaraions.
1504 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1506 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1507 DETACH_LIFE_INFO, USE_GLAT.
1508 (enum SPEC_SCHED_FLAGS): New enumeration.
1509 (NOTE_NOTE_BB_P): New macro.
1510 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1511 attach_life_info, debug_spec_status, check_reg_live): New functions.
1512 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1513 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1515 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1516 * ddg.c (get_block_head_tail): Adjust all uses.
1517 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1518 (sms_sched_info): Initialize new fields.
1519 (contributes_to_priority): Removed.
1520 * haifa-sched.c (params.h): New include.
1521 (get_block_head_tail): Adjust all uses.
1522 (ISSUE_POINTS): New macro.
1523 (glat_start, glat_end): New global variables.
1524 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1525 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1526 old_last_basic_block, before_recovery, current_sched_info_var,
1527 rgn_n_insns, luid): New static variables.
1528 (insn_cost1): New function. Move logic from insn_cost to here.
1529 (find_insn_reg_weight1): New function. Move logic from
1530 find_insn_reg_weight to here.
1531 (reemit_notes, move_insn, max_issue): Change signature.
1532 (move_insn1): Removed.
1533 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1534 extend_bb): New static functions to support extension of scheduler's
1536 (generate_recovery_code, process_insn_depend_be_in_spec,
1537 begin_speculative_block, add_to_speculative_block,
1538 init_before_recovery, create_recovery_block, create_check_block_twin,
1539 fix_recovery_deps): New static functions to support
1540 generation of recovery code.
1541 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1542 restore_bb_notes, move_block_after_check, move_succs): New static
1543 functions to support ebb scheduling.
1544 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1545 functions to support handling of register live information.
1546 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1547 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1548 add_jump_dependencies): New static functions.
1549 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1550 consistancy checking.
1551 (debug_spec_status): New function to call from debugger.
1552 (priority): Added code to handle speculation checks.
1553 (rank_for_schedule): Added code to distinguish speculative instructions.
1554 (schedule_insn): Added code to handle speculation checks.
1555 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1556 Fixed to handle ebbs.
1557 (move_insn): Added code to handle ebb scheduling.
1558 (max_issue): Added code to use ISSUE_POINTS of instructions.
1559 (choose_ready): Added code to choose between speculative and
1560 non-speculative instructions.
1561 (schedule_block): Added code to handle ebb scheduling and scheduling of
1562 speculative instructions.
1563 (sched_init): Initialize new variables.
1564 (sched_finish): Free new variables. Print statistics.
1565 (try_ready): Added code to handle speculative instructions.
1566 * lists.c (copy_DEPS_LIST_list): New function.
1567 * sched-deps.c (extend_dependency_caches): New function. Move logic
1568 from create_dependency_caches to here.
1569 (get_dep_weak, ds_merge): Make global.
1570 * genattr.c (main): Code to output prototype for
1571 dfa_clear_single_insn_cache.
1572 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1573 (output_dfa_clean_insn_cache_func): Code to output
1574 dfa_clear_single_insn_cache function.
1575 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1577 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1579 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1580 New static variables.
1581 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1582 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1584 (ebb_sched_info): Initialize new fields.
1585 (get_block_head_tail): Adjust all uses.
1586 (compute_jump_reg_dependencies): Fixed to use glat_start.
1587 (schedule_ebb): Code to remove unreachable last block.
1588 (schedule_ebbs): Added code to update register live information.
1589 * sched-rgn.c (region_sched_info): Initialize new fields.
1590 (get_block_head_tail): Adjust all uses.
1591 (last_was_jump): Removed. Adjust users.
1592 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1593 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1594 Implement new hooks.
1595 (check_dead_notes1): New static function.
1596 (struct region): New fields: dont_calc_deps, has_real_ebb.
1597 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1598 (BB_TO_BLOCK): Fixed to handle EBBs.
1599 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1600 (ebb_head): New static variable.
1601 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1602 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1604 (compute_dom_prob_ps): New assertion.
1605 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1606 global_live_at_start.
1607 (init_ready_list): New assertions.
1608 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1609 (new_ready): Add support for BEGIN_CONTROL speculation.
1610 (schedule_insns): Fixed code that updates register live information
1612 (schedule_region): Fixed to handle EBBs.
1613 (init_regions): Use extend_regions and check_dead_notes1.
1614 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1615 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1616 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1617 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1618 TARGET_SCHED_GEN_CHECK,
1619 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1620 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1621 * doc/invoke.texi (max-sched-insn-conflict-delay,
1622 sched-spec-prob-cutoff): Document.
1624 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1626 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1627 inter_tick, queue_index.
1628 (struct sched_info): Change signature of init_ready_list field.
1629 Adjust all initializations.
1630 (RESOLVED_DEPS): New access macro.
1631 (ready_add): Remove prototype.
1632 (try_ready): Add prototype.
1633 * sched-rgn.c (init_ready_list): Use try_ready.
1634 (schedule_region): Initialize
1635 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1636 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1637 (init_ready_list): Use try_ready.
1638 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1639 * lists.c (remove_list_elem): Remove `static'.
1640 (remove_free_INSN_LIST_elem): New function.
1641 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1642 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1643 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1645 (readyp): New variable.
1646 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1647 change_queue_index, resolve_dep): New static functions.
1648 (try_ready): New function. Adjust callers in sched-rgn.c and
1649 sched-ebb.c to use it instead of ready_add.
1650 (clock_var): Move at the begining of file.
1651 (rank_for_schedule): Fix typo.
1652 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1653 (ready_lastpos): Enforce assertion.
1654 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1656 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1657 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1658 (queue_to_ready): Use free_INSN_LIST_list.
1659 (early_queue_to_ready): Fix typo.
1660 (schedule_block): Init readyp. Move init_ready_list call after the
1661 initialization of clock_var. Fix error in rejecting insn by
1662 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1663 that previously corrected INSN_TICKs. Add code for handling
1665 (set_priorities): Fix typo.
1666 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1667 Clarify comment and code that keeps current_sched_info->next_tail
1670 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1672 * sched-rgn.c (extend_rgns): New static function.
1673 (find_rgns): Use it.
1674 (gather_region_statistics, print_region_statistics): New static
1676 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1677 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1679 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1680 Andrey Belevantsev <abel@ispras.ru>
1682 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1683 * lists.c (unused_deps_list): New variable.
1684 (free_list): Add assertions to verify the proper distinguishing
1685 between INSN_LISTs and DEPS_LISTs.
1686 (find_list_elem, remove_list_elem, remove_list_node): New static
1688 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1689 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1690 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1691 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1693 (free_INSN_LIST_node): Likewise.
1694 * modulo-sched.c (current_sched_info): Initialize flags field.
1695 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1696 * rtl.def (DEPS_LIST): Define.
1697 * rtl.h: Declare new functions from lists.c.
1698 * sched-deps.c (spec_dependency_cache): New static variable.
1699 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1700 (add_dependence): Change return type to void. Move the logic to ...
1701 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1702 (delete_all_dependences): Add comment about forward_dependency_cache.
1703 Handle spec_dependency_cache. Handle DEPS_LISTs.
1704 (fixup_sched_groups): Clarify the change of priority of output
1705 and anti dependencies.
1706 (sched_analyze_2): Adjust add_dependence calls to create data
1707 speculative dependence.
1708 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1709 Adjust all callers. Handle DEPS_LISTS.
1710 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1711 presence of speculation.
1712 (init_dependency_caches, free_dependency_caches):
1713 Handle spec_dependency_cache.
1714 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1715 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1716 New static functions.
1717 (add_or_update_back_dep, add_or_update_back_forw_dep,
1718 add_back_forw_dep, delete_back_forw_dep): New functions.
1719 * sched-int.h (ds_t, dw_t): New typedefs.
1720 (struct sched_info): Add new field flags.
1721 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1722 Prototype new sched-deps.c functions.
1723 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1724 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1725 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1726 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1727 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1728 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1730 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1732 * sched-rgn.c (current_sched_info): Initialize flags field.
1733 (schedule_insns): Initialize current_sched_info before the sched_init
1735 * sched-ebb.c (current_sched_info): Initialize flags field.
1736 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1737 Call add_or_update_back_dep instead of add_dependence.
1738 Create control speculative dependencies.
1739 (schedule_insns): Initialize current_sched_info before the sched_init
1742 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1744 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1746 (sh_fallback_frame_state): Likewise.
1748 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1750 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1751 Do switch on default_use_cxa_atexit.
1752 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1753 * config/darwin-crt3.o: New.
1754 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1755 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1756 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1758 * config/rs6000/t-darwin: Move crt2.o building to here.
1759 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1760 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1763 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1765 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1766 from '! xxx' to '!xxx' for coding-style conformance.
1767 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1768 (EXTRA_CONSTRAINT): Likewise.
1769 * config/vax/vax.md (four unnamed insns): Likewise.
1771 2006-03-15 Paul Brook <paul@codesourcery.com>
1773 * config/arm/arm.c (minipool_pad): New.
1774 (add_minipool_forward_ref): Include pool alignment padding in address
1776 (push_minipool_fix): Set minipool_pad.
1777 (minipool_pad): Ditto.
1779 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1781 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1782 instead of GET_CODE() == MEM and REG_P() instead of
1784 (print_operand_address): Likewise.
1785 (vax_address_cost): Likewise.
1786 (vax_rtx_costs): Likewise.
1787 (vax_notice_update_cc): Likewise.
1788 (vax_output_int_add): Likewise.
1789 (INDEX_REGISTER_P): Likewise.
1790 (BASE_REGISTER_P): Likewise.
1791 (nonindexed_address_p): Likewise.
1792 (vax_mode_dependent_address_p): Likewise.
1793 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1794 (PRINT_OPERAND): Likewise.
1795 * config/vax/vax.md (ashlsi3): Likewise.
1796 (ashlsi3): Likewise.
1797 (some more unnamed insns): Likewise.
1799 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1801 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1802 iterator-style macro.
1803 (mark_control_dependent_edges_necessary): Update the use of
1804 EXECUTE_IF_CONTROL_DEPENDENT.
1806 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1808 * config/sh/predicates.md (cache_address_operand): Special.
1809 (ua_address_operand): Likewise.
1811 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1813 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1815 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1817 2006-03-15 Andreas Schwab <schwab@suse.de>
1819 * gensupport.c (identify_predicable_attribute): Don't free p_false
1820 when it is still in use.
1822 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1824 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1825 the default setting here.
1827 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1829 * tree-pass.h (pass_cfg): Remove.
1830 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1831 * passes.c (pass_cfg): Don't run it.
1833 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1835 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1836 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1838 (stack_regs_mentioned): Update the uses of
1839 stack_regs_mentioned_data. Don't access the array beyond its
1841 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1842 Don't include gt-reg-stack.h.
1844 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1845 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1847 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1850 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1853 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1855 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1857 2006-03-14 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/26672
1860 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1863 2006-03-14 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/26667
1866 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1867 node for the callees. Always allow inlining if it will shrink
1870 2006-03-14 Richard Guenther <rguenther@suse.de>
1873 * builtins.c (get_pointer_alignment): Prefer alignment
1874 information from decls over that from types.
1876 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1879 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1881 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1883 * config/rs6000/rs6000.opt (mdlmzb): New option.
1884 (msched-prolog, msched-epilog): Use Var not Mask.
1885 * doc/invoke.texi (-mdlmzb): Document.
1886 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1888 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1889 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1891 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1893 PR rtl-optimization/25739
1894 * bt-load.c (augment_live_range): Free tos pointer.
1896 * gensupport.c (identify_predicable_attribute): Free
1898 * gcov.c (create_file_names): Free name pointer.
1900 2006-03-13 Roger Sayle <roger@eyesopen.com>
1903 * stmt.c (emit_case_nodes): Handle the case where the index is a
1904 CONST_INT, where the comparison mode is specified by the index type.
1906 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1908 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1911 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1913 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1914 (*branch_fp_inverted): Likewise.
1916 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1919 * omp-low.c (expand_omp_for_generic): Mark istart0
1920 and iend0 as addressable.
1922 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1924 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1926 2006-03-13 Jeff Law <law@redhat.com>
1928 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1929 virtual operands are interesting.
1930 (vrp_visit_stmt): Corresponding changes.
1932 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1934 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1936 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1937 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1938 * config/bfin/crti.S: Use it instead of __PIC__.
1939 * config/bfin/crtn.S: Likewise.
1941 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1942 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1944 Lose 'G' modifier for call operand.
1945 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1946 recognize 'G' modifier.
1948 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1951 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1952 * stmt.c (expand_case): Likewise.
1954 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1956 PR rtl-optimization/26254
1957 * loop-invariant.c (seq_insns_valid_p): New function.
1958 (move_invariant_reg): Only emit new code if it is valid.
1960 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1962 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1964 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1965 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1966 (commit_one_edge_insertion): Do not look for loop notes.
1968 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1970 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1971 flag_test_coverage out of loop.
1973 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1975 * final.c (shorten_branches): Remove outdated comment, and turn
1976 the if branch that guards it to continue.
1978 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1980 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1981 * cfgloop.h (struct loop): Remove unused fields.
1983 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1985 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1986 (-dL, -fdump-rtl-loop2): Update the dump file names
1988 * doc/invoke.texi: Update dump file names.
1990 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1992 * predict.c (estimate_probability): Remove.
1993 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1994 * basic-block.h (estimate_probability): Remove prototype.
1995 * passes.c (finish_optimization_passes): Dump branch prediction or
1996 profiling heuristics to the .profile tree dump.
1997 (init_optimization_passes): Unqueue pass_branch_prob.
1999 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2001 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2003 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2004 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2006 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2008 * function.h (frame_offset_overflow): Declare.
2009 * function.c (frame_offset_overflow): New function.
2010 (assign_stack_local_1): Call it to detect that the offset overflows.
2011 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2013 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2015 * config/sh/sh.c: Include alloc-pool.h.
2016 (label_ref_list_pool): New alloc pool.
2017 (label_ref_list_t): New type for lists of labels.
2018 (struct pool_node): Make wend a label_ref_list_t.
2019 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2021 (dump_table): Likewise.
2022 (sh_reorg): Set up the alloc pool before using add_constant and
2023 dump_table, and destroy it when finishing.
2025 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2027 * config/mips/mips.c: Remove redundant comment.
2029 2006-03-10 Jason Merrill <jason@redhat.com>
2032 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2033 the target was declared 'register'.
2035 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2037 * genpreds.c (write_insn_constraint_len): Change definition of
2038 insn_constraint_len to return size_t to match the declaration.
2040 2006-03-10 DJ Delorie <dj@redhat.com>
2042 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2044 (m32c_expand_insv): Fix test for an AND mask.
2046 2006-03-10 Richard Guenther <rguenther@suse.de>
2049 * builtins.c (get_pointer_alignment): Handle component
2050 references for field alignment.
2052 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2054 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2055 when building with libgloss.
2056 (sh*elf): Implement --without-fp option.
2057 (sh64-superh-linux*): Don't multilib.
2059 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2061 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2063 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2065 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2066 Set it when one of the replacement functions returned true.
2067 Return TODO_cleanup_cfg if cfgchanged is true.
2068 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2070 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2072 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2073 instead of gen_lowpart.
2075 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2077 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2079 (mips_output_order_conditional_branch): Declare.
2080 * config/mips/mips.h (MIPS_BRANCH): New macro.
2081 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2082 for the comparison. Use gen_condjump.
2083 (mips_output_conditional_branch): Rework interface to take the
2084 asm templates for a direct branch and the inverse of a direct branch.
2085 (mips_output_order_conditional_branch): New function.
2086 (mips_builtin_branch_and_move): New function.
2087 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2088 branch condition. Use gen_single_cc as the condition for
2089 __builtin_mips_upper_* or __builtin_mips_lower_*.
2090 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2091 Use VOIDmode for the branch condition.
2092 * config/mips/predicates.md (order_operator): New predicate.
2093 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2094 (branch_fp): Rename to...
2095 (*branch_fp): ...this. Remove mode from comparison operator.
2096 Use new mips_output_conditional_branch interface.
2097 (branch_fp_inverted): Rename to...
2098 (*branch_fp_inverted): ...this and update as for *branch_fp.
2099 (*branch_zero<mode>): Rename to...
2100 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2101 Use mips_output_order_conditional_branch. Only accept ordered
2103 (*branch_zero<mode>_inverted): Rename to...
2104 (*branch_order<mode>_inverted): ...this and update as for
2105 *branch_order<mode>.
2106 (*branch_equality<mode>): Accept zero as the second operand to
2107 the equality operator. Use the new mips_output_conditional_branch
2109 (*branch_equality<mode>_inverted): Likewise.
2110 (condjump): New expander.
2111 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2113 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2114 (bc1any2t, bc1any2f): Likewise.
2115 (single_cc): New expander.
2116 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2118 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2120 * doc/md.texi: Update documentation of MIPS constraints.
2121 * config/mips/constraints.md: New file.
2122 * config/mips/mips.md: Include it.
2123 * config/mips/mips.c (mips_char_to_class): Delete.
2124 (override_options): Don't initialize mips_char_to_class.
2125 * config/mips/mips.h (mips_char_to_class): Delete.
2126 (REG_CLASS_FROM_LETTER): Delete.
2127 (CONST_OK_FOR_LETTER_P): Delete.
2128 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2129 (EXTRA_CONSTRAINT_Y): Delete.
2130 (EXTRA_CONSTRAINT_STR): Delete.
2131 (CONSTRAINT_LEN): Delete.
2132 (EXTRA_MEMORY_CONSTRAINT): Delete.
2134 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2136 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2137 original fn's eh regions.
2139 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2141 * fold-const.c (build_range_check): Make sure to use a valid type to
2142 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2145 (range_predecessor): New static function.
2146 (range_successor): Likewise.
2147 (merge_ranges): Use them to compute predecessors and successors of
2150 2006-03-09 Roger Sayle <roger@eyesopen.com>
2153 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2154 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2156 2006-03-08 DJ Delorie <dj@redhat.com>
2158 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2159 (addpsi3): Expand to include memory operands. Remove
2160 reload-specific splits.
2161 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2162 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2163 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2164 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2165 (shift1_qi, shift1_hi, insv): New.
2166 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2167 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2168 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2170 * config/m32c/m32c-protos.h: Update as needed.
2171 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2172 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2173 Fail for unrecognized R* constraints.
2174 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2175 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2176 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2178 (m32c_init_libfuncs): New.
2179 (m32c_legitimate_address_p): Add debug wrapper.
2180 (m32c_rtx_costs): New.
2181 (m32c_address_cost): New.
2182 (conversions): Add 'B' prefix.
2183 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2184 operands, or word regnames for QI operands. 'B' prints bit
2186 (m32c_expand_setmemhi): New.
2187 (m32c_expand_movmemhi): New.
2188 (m32c_expand_movstr): New.
2189 (m32c_expand_cmpstr): New.
2190 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2191 (m32c_expand_neg_mulpsi3): Handle non-ints.
2192 (m32c_cmp_flg_0): New.
2193 (m32c_expand_movcc): New.
2194 (m32c_expand_insv): New.
2195 (m32c_scc_pattern): New.
2196 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2197 a0/a1 out of SIregs.
2198 (STORE_FLAG_VALUE): New.
2199 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2202 * config/m32c/mov.md: Make constraints more liberal.
2203 (zero_extendqihi2): Optimize r0/r1 case.
2204 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2205 * config/m32c/predicates.md (m32c_any_operand): New.
2206 (m32c_nonimmediate_operand): New.
2207 (m32c_hl_operand): New.
2208 (m32c_r3_operand): New.
2211 (memsym_operand): New.
2212 (memimmed_operand): New.
2213 (a_qi_operand): New.
2214 (m32c_eqne_operator): New.
2215 (m32c_1bit8_operand): New.
2216 (m32c_1bit16_operand): New.
2217 (m32c_1mask8_operand): New.
2218 (m32c_1mask16_operand): New.
2219 * config/m32c/blkmov.md: New file.
2220 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2222 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2224 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2225 unsigned to fix signed/unsigned comparison issue in
2226 DWARF2_FRAME_REG_OUT.
2227 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2228 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2230 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2231 of ptr into the ENABLE_CHECKING section.
2233 2006-03-08 Jeff Law <law@redhat.com>
2235 * tree-vrp.c (infer_value_range): Only count pointer uses
2236 and dereferences if -fdelete-null-pointer-checks is enabled.
2238 * tree-vrp.c (find_assert_locations): Infer value ranges for
2239 single use pointers, but do not create ASSERT_EXPRs for them.
2240 When a non-null range is inferred for a pointer, backwards
2241 propagate that range to other equivalent pointers through the
2244 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2247 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2248 language hook targets.
2249 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2250 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2251 if language hook targets were missing.
2253 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2255 * tree-ssa-opfinalize.h: Removed.
2256 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2258 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2259 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2260 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2261 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2262 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2263 finalize_ssa_v_must_def_ops): New.
2265 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2267 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2270 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2272 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2274 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2275 addresses with offsets; reorganize.
2277 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2278 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2279 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2281 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2284 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2286 2006-03-08 Ben Elliston <bje@au.ibm.com>
2288 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2290 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2293 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2296 2006-03-07 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/26587
2299 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2301 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2303 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2305 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2307 * hooks.c (hook_bool_mode_rtx_true): New function.
2308 * hooks.h (hook_bool_mode_rtx_true): Declare.
2309 * toplev.c (compile_file): Call output_shared_constant_pool.
2310 * varasm.c (shared_constant_pool): New variable.
2311 (assemble_start_function, assemble_end_function): Remove arguments
2312 from call to output_constant_pool.
2313 (create_constant_pool): New function, split out from...
2314 (init_varasm_status): ...here.
2315 (force_const_mem): Choose between the shared and per-function constant
2316 pools. Set current_function_uses_const_pool when reusing old entries
2317 as well as when creating new ones.
2318 (mark_constant): Ignore data argument.
2319 (mark_constants): Remove pool argument.
2320 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2321 to decide whether the function uses a constant pool.
2322 (output_constant_pool_contents): New function, split out from...
2323 (output_constant_pool): ...here.
2324 (output_shared_constant_pool): New function.
2325 (init_varasm_once): Initialize shared_constant_pool.
2326 * output.h (output_constant_pool): Delete.
2327 (output_shared_constant_pool): Declare.
2328 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2329 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2331 2006-03-06 Nick Clifton <nickc@redhat.com>
2333 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2334 flag_strength_reduce.
2336 2006-03-06 Ben Elliston <bje@au.ibm.com>
2338 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2339 x86_64-*-linux* configurations.
2341 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2342 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2344 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2346 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2348 * basic-block.h: Remove the extern for
2349 rediscover_loops_after_threading.
2351 * cfgloop.c (cancel_loop): Make it static.
2352 * cfgloop.h: Remove the prototype for cancel_loop.
2354 * flow.c (recompute_reg_usage): Make it static.
2355 * rtl.h: Remove the prototype for recompute_reg_usage.
2357 * function.c (use_return_register): Make it static.
2358 * function.h: Remove the prototype.
2360 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2362 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2364 * recog.h: Remove the prototype for
2365 validate_change_maybe_volatile.
2367 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2369 * rtlanal.c (replace_reg): Remove.
2370 * rtl.h: Remove the prototype for replace_reg.
2372 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2374 * regclass.c (reg_scan_update): Remove.
2375 (reg_scan_mark_refs): Remove the last argument.
2376 * rtl.h: Remove the prototype for reg_scan_update.
2378 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2380 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2381 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2382 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2383 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2384 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2385 loop-invariant.c, omp-low.c, opts.c, passes.c,
2386 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2387 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2388 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2389 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2390 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2391 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2393 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2395 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2396 * dwarf2out.h: Remove the prototype for
2397 dwarf2out_add_library_unit_info.
2399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2401 * tree.c (add_var_to_bind_expr): Remove.
2402 * tree.h: Remove the prototype for add_var_to_bind_expr.
2404 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2406 * regclass.c (n_non_fixed_regs): Remove.
2407 (init_reg_sets_1, globalize_reg): Remove all uses of
2409 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2413 * rtlanal.c (insns_safe_to_move_p): Remove.
2414 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2416 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2418 * expmed.c (expand_mult_add): Remove.
2419 * expr.h: Remove the prototype for expand_mult_add.
2421 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2423 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2424 and REG_SAVED_VAL_EXP constants.
2425 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2426 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2427 Handle regs stored by value.
2428 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2429 (execute_cfa_program): Handle DW_CFA_val_offset,
2430 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2431 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2432 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2433 (uw_install_context_1): Handle target regs stored by value.
2435 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2437 * tree-sra.c (tree_sra): Return todoflags;
2438 (generate_one_element): Set TODO_update_smt_usage if needed.
2439 (pass_sra): Remove TODO_update_smt_usage.
2440 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2442 (tree_ssa_forward_propagate_single_use_vars): Return
2443 TODO_update_smt_usage if we need to update SMT usage.
2444 (pass_forwprop): Remove TODO_update_smt_usage.
2446 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2448 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2449 (correct_use_link): Remove reference to get_stmt_operands.
2450 (update_stmt_operands): Likewise.
2451 (get_modify_expr_operands): New function factored out of
2452 parse_ssa_operands and get_expr_operands.
2453 Try to create V_MUST_DEFs for LHS by default.
2454 (get_expr_operands) <case MODIFY_EXPR>: Call
2455 get_modify_expr_operands.
2456 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2457 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2458 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2459 get_modify_expr_operands.
2461 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2463 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2464 * tree-flow.h: Remove the prototype for
2465 referenced_var_lookup_if_exists.
2467 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2469 PR rtl-optimization/26345
2471 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2473 2006-03-03 Roger Sayle <roger@eyesopen.com>
2475 PR tree-optimization/26524
2476 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2477 fold_convert to create a constant of the appropriate type.
2479 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2481 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2482 SYMBOL_REF_IN_BLOCK_P.
2483 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2484 of SYMBOL_FLAG_IN_BLOCK.
2485 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2486 instead of SYMBOL_REF_IN_BLOCK_P.
2487 * explow.c (use_anchored_address): Likewise.
2488 * rtl.c (rtx_size): Likewise.
2489 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2490 instead of SYMBOL_FLAG_IN_BLOCK.
2491 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2492 SYMBOL_REF_IN_BLOCK_P.
2493 (assemble_variable): Likewise.
2494 (output_constant_def_contents): Likewise.
2495 (output_constant_pool): Likewise.
2496 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2497 instead of SYMBOL_FLAG_IN_BLOCK.
2498 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2499 SYMBOL_REF_IN_BLOCK_P.
2500 (SYMBOL_REF_BLOCK): Likewise.
2501 (SYMBOL_REF_OFFSET): Likewise.
2502 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2503 SYMBOL_REF_IN_BLOCK_P.
2504 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2505 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2506 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2507 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2509 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2511 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2513 2006-03-02 Roger Sayle <roger@eyesopen.com>
2515 * simplify-rtx.c (simplify_unary_operation): When simplifying
2516 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2517 that we perform the right shift in the appropriate mode, and
2518 then extend or truncate the result to requested mode.
2520 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2522 * gengtype.c (main): Handle double_int type.
2523 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2524 * double-int.c: New file.
2525 * double-int.h: New file.
2526 * system.h: Include doubleint.h.
2527 * Makefile.in (SYSTEM_H): Include double-int.h.
2528 (double-int.o): Add.
2530 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2533 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2536 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2538 * tree-vrp.c (remove_range_assertions): Do not update statements
2541 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2543 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2545 * gcse.c (rest_of_handle_gcse): Ditto.
2546 * except.c (gate_handle_eh): Ditto.
2547 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2548 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2550 2006-03-02 Eric Christopher <echristo@apple.com>
2552 * config/i386/i386.c (machopic_output_stub): Add indirection to
2555 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2559 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2561 Sun Niagara specific optimizations.
2562 * config.gcc: Recognize niagara as target.
2563 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2564 (TARGET_CPU_niagara): Define.
2565 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2566 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2567 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2568 (ASM_CPU_SPEC): Likewise.
2569 (PROCESSOR_NIAGARA): New enum entry.
2570 (REGISTER_MOVE_COST): Handle Niagara.
2571 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2572 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2573 (sparc_override_options): Recognize "niagara", set appropriate
2574 default MASK_* values for it, and align functions to 32-bytes
2575 by default just like ULTRASPARC/ULTRASPARC3.
2576 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2577 (sparc64_initialize_trampoline): Likewise.
2578 (sparc_use_sched_lookahead): Use zero for niagara.
2579 (sparc_issue_rate): Use one for niagara.
2580 * config/sparc/niagara.md: New file.
2581 * config/sparc/sparc.md: Include it.
2582 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2583 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2584 when default cpu is niagara.
2585 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2586 (ASM_CPU_SPEC): Likewise.
2587 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2588 when default cpu is niagara.
2589 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2590 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2591 just like v9/ultrasparc/ultrasparc3.
2592 * doc/invoke.texi: Add documentation for "niagara" and improve
2593 existing documentation for ultrasparc variants.
2595 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2597 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2599 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2601 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2602 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2603 and say that only one is needed.
2604 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2605 * target.h (have_switchable_bss_sections): New hook.
2606 * explow.c (use_anchored_address): Check that the symbol is in a block.
2607 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2608 (bss_noswitch_section): New variables.
2609 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2610 (get_noswitch_section): New function.
2611 (get_block_for_section): Allow SECT to be null.
2612 (unlikely_text_section_p): Use SECTION_STYLE.
2613 (bss_initializer_p): New function.
2614 (get_variable_section): Move earlier in file. Take a new argument,
2615 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2616 Return one of the new *_sections in such cases.
2617 (get_block_for_decl): New function, extracting some logic from
2618 use_blocks_for_decl_p.
2619 (change_symbol_section): Remove in favor of...
2620 (change_symbol_block): ...this new function.
2621 (use_blocks_for_decl_p): Remove checks now performed by
2623 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2624 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2625 (emit_local, emit_bss, emit_common): ...these new functions.
2626 Return true if the alignment was honored.
2627 (emit_tls_common): New function.
2628 (asm_emit_uninitialised): Delete.
2629 (assemble_variable_noswitch): New function, split out from...
2630 (assemble_variable): ...here. Don't make decisions about common
2631 variables here. Globalize all public decls that go into non-common
2632 sections. Check whether SYMBOL_REF_BLOCK is null.
2633 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2634 (output_constant_pool): Likewise.
2635 (init_varasm_once): Initialize the new section variables.
2636 (have_global_bss_p): New function.
2637 (categorize_decl_for_section): Use bss_initializer_p.
2638 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2639 (place_block_symbol): Assert that the symbol must be in a block.
2640 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2641 (TARGET_INITIALIZER): Include it.
2642 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2643 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2644 (SECTION_MACH_DEP): Bump by two.
2645 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2646 (unnamed_section): Mention SECTION_UNNAMED in comment.
2647 (named_section): Likewise SECTION_NAMED.
2648 (noswitch_section_callback): New type.
2649 (noswitch_section): New structure.
2650 (section): Add a noswitch_section alternative.
2651 (SECTION_STYLE): New macro.
2652 (tls_comm_section, comm_section, lcomm_section): Declare.
2653 (bss_noswitch_section, have_global_bss_p): Declare.
2654 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2655 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2657 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2658 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2661 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2663 * gcc/tree-vrp.c (execute_vrp): Return value.
2664 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2665 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2666 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2667 (tree_lower_complex_O0): Ditto.
2668 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2669 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2670 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2671 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2672 (execute_tail_calls): Ditto.
2673 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2674 * gcc/tree.h (init_function_for_compilation): Ditto.
2675 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2676 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2677 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2678 * gcc/final.c (compute_alignments): Ditto.
2679 (rest_of_handle_final): Ditto.
2680 (rest_of_handle_shorten_branches): Ditto.
2681 (rest_of_clean_state): Ditto.
2682 * gcc/omp-low.c (execute_expand_omp): Ditto.
2683 (execute_lower_omp): Ditto.
2684 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2685 * gcc/ipa-reference.c (static_execute): Ditto.
2686 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2687 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2688 (rest_of_handle_machine_reorg): Ditto.
2689 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2690 * gcc/flow.c (recompute_reg_usage): Ditto.
2691 (rest_of_handle_remove_death_notes): Ditto.
2692 (rest_of_handle_life): Ditto.
2693 (rest_of_handle_flow2): Ditto.
2694 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2695 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2696 (do_ssa_store_ccp): Ditto.
2697 (execute_fold_all_builtins): Ditto.
2698 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2699 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2700 * gcc/ipa-pure-const.c (static_execute): Ditto.
2701 * gcc/cse.c (rest_of_handle_cse): Ditto.
2702 (rest_of_handle_cse2): Ditto.
2703 * gcc/web.c (rest_of_handle_web): Ditto.
2704 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2705 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2706 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2707 * gcc/tree-nrv.c (tree_nrv): Ditto.
2708 (execute_return_slot_opt): Ditto.
2709 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2710 (create_structure_vars): Ditto.
2711 * gcc/loop-init.c (rtl_loop_init): Ditto.
2712 (rtl_loop_done): Ditto.
2713 (rtl_move_loop_invariants): Ditto.
2714 (rtl_unswitch): Ditto.
2715 (rtl_unroll_and_peel_loops): Ditto.
2716 (rtl_doloop): Ditto.
2717 * gcc/gimple-low.c (lower_function_body): Ditto.
2718 (mark_used_blocks): Ditto.
2719 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2720 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2721 (cgraph_early_inlining): Ditto.
2722 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2723 * gcc/jump.c (cleanup_barriers): Ditto.
2724 (purge_line_number_notes): Ditto.
2725 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2726 (rest_of_handle_if_after_reload): Ditto.
2727 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2728 (tree_ssa_loop_im): Ditto.
2729 (tree_ssa_loop_unswitch): Ditto.
2730 (tree_vectorize): Ditto.
2731 (tree_linear_transform): Ditto.
2732 (tree_ssa_loop_ivcanon): Ditto.
2733 (tree_ssa_empty_loop): Ditto.
2734 (tree_ssa_loop_bounds): Ditto.
2735 (tree_complete_unroll): Ditto.
2736 (tree_ssa_loop_prefetch): Ditto.
2737 (tree_ssa_loop_ivopts): Ditto.
2738 (tree_ssa_loop_done): Ditto.
2739 * gcc/predict.c (tree_estimate_probability): Ditto.
2740 * gcc/recog.c (split_all_insns_noflow): Ditto.
2741 (rest_of_handle_peephole2): Ditto.
2742 (rest_of_handle_split_all_insns): Ditto.
2743 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2744 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2745 (rest_of_handle_stack_adjustments): Ditto.
2746 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2747 * gcc/function.c (instantiate_virtual_regs): Ditto.
2748 (init_function_for_compilation): Ditto.
2749 (rest_of_handle_check_leaf_regs): Ditto.
2750 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2751 (rest_of_handle_gcse): Ditto.
2752 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2753 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2754 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2755 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2756 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2757 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2758 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2759 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2760 * gcc/except.c (set_nothrow_function_flags): Ditto.
2761 (convert_to_eh_region_ranges): Ditto.
2762 (rest_of_handle_eh): Ditto.
2763 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2764 (remove_unnecessary_notes): Ditto.
2765 * gcc/except.h (set_nothrow_function_flags): Ditto.
2766 (convert_to_eh_region_ranges): Ditto.
2767 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2768 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2769 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2770 (execute_fre): Ditto.
2771 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2772 (rest_of_handle_jump2): Ditto.
2773 * gcc/tree-sra.c (tree_sra): Ditto.
2774 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2775 (execute_mudflap_function_decls): Ditto.
2776 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2777 (do_store_copy_prop): Ditto.
2778 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2779 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2780 * gcc/tree-ssa-forwprop.c
2781 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2782 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2783 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2784 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2785 (execute_late_warn_uninitialized): Ditto.
2786 * gcc/rtl.h (cleanup_barriers): Ditto.
2787 (split_all_insns_noflow): Ditto.
2788 (purge_line_number_notes): Ditto.
2789 (unshare_all_rtl): Ditto.
2790 (remove_unnecessary_notes): Ditto.
2791 (recompute_reg_usage): Ditto.
2792 (variable_tracking_main): Ditto.
2793 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2794 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2795 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2796 (execute_free_cfg_annotations): Ditto.
2797 (execute_fixup_cfg): Ditto.
2798 (execute_cleanup_cfg_pre_ipa): Ditto.
2799 (execute_cleanup_cfg_post_optimizing): Ditto.
2800 (execute_init_datastructures): Ditto.
2801 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2802 * gcc/combine.c (rest_of_handle_combine): Ditto.
2803 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2804 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2805 (rest_of_handle_reorder_blocks): Ditto.
2806 (rest_of_handle_partition_blocks): Ditto.
2807 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2808 * gcc/tree-profile.c (tree_profiling): Ditto.
2809 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2810 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2811 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2812 (rest_of_handle_sched2): Ditto.
2813 * gcc/basic-block.h (free_bb_insn): Ditto.
2814 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2815 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2816 (remove_useless_stmts): Ditto.
2817 (split_critical_edges): Ditto.
2818 (execute_warn_function_return): Ditto.
2819 (execute_warn_function_noreturn): Ditto.
2820 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2821 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2822 * gcc/passes.c (execute_one_pass): Run additional
2823 todos returned by execute function.
2824 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2827 2006-03-02 Richard Guenther <rguenther@suse.de>
2829 * tree-ssa-alias.c (find_used_portions): Consider taking
2830 the address as making the variable not write-only.
2832 2006-03-02 Nick Clifton <nickc@redhat.com>
2834 * config.gcc (default_use_cxa_atexit): Extend the description of
2835 this configure variable. Set its default value to "yes" for
2836 Linux, NetBSD and ELF targets on the assumption that they will
2837 use C libraries with the __cxa_atexit function.
2839 2006-03-02 Ben Elliston <bje@au.ibm.com>
2841 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2842 parameter as unused to suppress a build warning.
2844 2006-03-02 Ben Elliston <bje@au.ibm.com>
2846 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2849 2006-03-01 Roger Sayle <roger@eyesopen.com>
2852 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2853 declared name, the weak reference name, and the typeof name.
2854 (__gthrw): Avoid expanding the declared name suffix.
2855 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2857 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2859 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2861 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2862 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2863 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2864 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2865 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2866 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2867 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2868 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2869 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2870 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2871 (DW_END_default, DW_END_big, DW_END_little): New.
2872 (DW_END_lo_user, DW_END_hi_user): Define.
2873 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2874 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2875 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2878 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2880 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2882 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2884 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2886 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2888 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2889 to 'symbol_mem_tag'.
2891 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2894 2006-03-01 Roger Sayle <roger@eyesopen.com>
2896 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2898 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2901 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2902 MACHO_DYNAMIC_NO_PIC_P.
2903 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2905 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2908 * config/darwin-protos.h (darwin_asm_output_anchor):
2910 * config/darwin-sections.def (cstring_section):
2911 Add SECTION_MERGE to the flags.
2912 (literal4_section): Likewise.
2913 (literal8_section): Likewise.
2914 (objc_selector_refs_section): Likewise.
2915 (objc_cls_refs_section): Likewise.
2916 * config/darwin.c (darwin_asm_output_anchor): New
2918 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2920 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2922 Fix PR tree-optimization/26443
2923 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2924 to todo and PROP_tmt_usage to properties_destroyed.
2925 * tree-ssa-ccp.c (pass_ccp): Ditto.
2926 (pass_store_ccp): Ditto.
2927 * tree-ssa-dom.c (pass_dominator): Ditto.
2929 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2931 * tree-ssa-operands.c: Cleanup whitespace.
2932 (get_asm_expr_operands): Move before first invocation.
2933 (get_indirect_ref_operands): Likewise.
2934 (get_tmr_operands): Likewise.
2935 (get_call_expr_operands): Likewise.
2936 (append_def): Likewise.
2937 (append_use): Likewise.
2938 (append_v_may_def): Likewise.
2939 (append_v_must_def): Likewise.
2940 (add_call_clobber_ops): Likewise.
2941 (add_call_read_ops): Likewise.
2942 (add_stmt_operand): Likewise.
2943 (add_virtual_operand): Likewise.
2944 (build_ssa_operands): Likewise.
2946 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2951 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2952 with a call expr to ...
2953 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2955 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2957 * tree-vrp.c (extract_range_from_assert): Remove special
2958 handling for types with super-types.
2960 2006-03-01 Ben Elliston <bje@au.ibm.com>
2962 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2963 and powerpc64-*-linux* configurations.
2964 * config/t-dfprules: New file.
2966 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2967 Compile dfp-bit.c from the source directory using -DWIDTH and
2968 $DFP_CFLAGS to control the compilation of that file, rather than
2969 generating width-specific versions in the build directory.
2970 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2971 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2973 2006-02-28 Zack Weinberg <zackw@panix.com>
2975 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2978 2006-02-28 Eric Christopher <echristo@apple.com>
2980 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2981 Set up IN_LIBGCC definition of TARGET_64BIT.
2982 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2984 2006-02-28 Roger Sayle <roger@eyesopen.com>
2987 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2988 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2989 cases via the construction of "expr != 0".
2991 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2993 * alias.c (alias_invariant, alias_invariant_size): Remove.
2994 (record_base_value): Remove.
2995 (memrefs_conflict_p): Don't look at alias_invariant.
2996 (end_alias_analysis): Don't free it.
2997 * alias.h (record_base_value): Remove prototype.
2999 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3000 Adam Nemet <anemet@caviumnetworks.com>
3002 * rtl.h (truncated_to_mode): Declare it.
3003 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3004 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3005 (RTL_HOOKS_INITIALIZER): Include it.
3006 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3007 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3008 reg_truncated_to_mode.
3009 * rtlanal.c (truncated_to_mode): Define it.
3010 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3012 2006-02-28 Jeff Law <law@redhat.com>
3014 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3015 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3016 the range allowed by TYPE_PRECISION.
3018 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3020 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3022 PR tree-optimization/26419
3023 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3026 2006-02-27 Zack Weinberg <zackw@panix.com>
3028 * doc/md.texi: Fix typo in previous change.
3030 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3034 2006-02-27 Zack Weinberg <zackw@panix.com>
3036 * rtl.def (define_constraint, define_register_constraint)
3037 (define_memory_constraint, define_address_constraint): New MD forms.
3038 * gensupport.c (process_rtx): Put define_constraint etc on the
3040 * genpreds.c (process_define_predicate): Adjust comment. Validate
3041 the name, and call validate_exp to validate the expression.
3042 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3043 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3044 all callers changed.
3045 (validate_exp, needs_variable, struct constraint_data)
3046 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3047 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3048 (const_dbl_constraints, constraint_max_namelen)
3049 (have_register_constraints, have_memory_constraints)
3050 (have_address_constraints, have_address_constraints)
3051 (have_extra_constraints, have_const_int_constraints)
3052 (have_const_dbl_constraints, mangle, add_constraint)
3053 (process_define_constraint, process_define_register_constraint)
3054 (write_enum_constraint_num, write_lookup_constraint)
3055 (write_insn_constraint_len, write_regclass_for_constraint)
3056 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3057 (write_insn_extra_memory_constraint)
3058 (write_insn_extra_address_constraint)
3059 (write_satisfies_constraint_fns): New.
3060 (write_tm_preds_h): If we have new-style constraint definitions,
3061 prototype the functions generated from them, and define the
3062 old constraint interface (still used by generic code) in terms of
3064 (write_insn_preds_c): If we have new-style constraint definitions,
3065 generate all relevant functions from those definitions.
3066 (main): Handle define_constraint etc.
3067 * genoutput.c (struct constraint_data, indep_constraints)
3068 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3069 (mdep_constraint_len): New data structures and functions, defined
3070 #ifdef USE_MD_CONSTRAINTS.
3071 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3072 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3073 use new logic to validate operand constraints against constraint
3075 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3077 * defaults.h: If none of the old-style constraint macros are
3078 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3079 old-style macros; and poison REG_CLASS_FROM_LETTER,
3080 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3082 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3083 * doc/md.texi: Document new constraint-definition mechanism and the
3084 C interface it provides. Remove references to old mechanism
3085 elsewhere in the document.
3086 (Machine Constraints): Use pathnames relative to gcc directory,
3087 i.e. config/ARCH/FILE. Change i386 section to refer to
3088 config/i386/predicates.md; update that section to match docstrings.
3089 * doc/tm.texi: Move all documentation of the old constraint-
3090 definition macros to their own section, clearly mark as obsolete.
3092 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3093 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3095 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3096 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3097 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3099 (splits and peepholes): Use satisfies_constraint_*.
3100 * config/i386/i386.c (memory_address_length)
3101 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3103 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3105 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3106 scalar operation to be put back into the loop.
3108 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3111 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3112 (extract_cie_info): Handle S flag in augmentation string.
3113 (execute_cfa_program): If context->signal_frame, execute also
3114 fs->pc == context->ra instructions.
3115 (uw_frame_state_for): If context->signal_frame, don't subtract one
3116 from context->ra to find FDE.
3117 (uw_update_context_1): Set context->signal_frame to
3119 (_Unwind_GetIPInfo): New function.
3120 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3121 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3123 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3124 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3125 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3126 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3127 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3128 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3129 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3130 x86_64_fallback_frame_state): Set fs->signal_frame.
3131 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3132 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3133 (frob_update_context): Likewise. Workaround missing S flag in
3134 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3135 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3136 Remove the psw_addr + 1 hack.
3138 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3140 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3141 with aggregates here.
3142 (find_func_aliases): Remove code for &<aggregate> from here.
3144 2006-02-26 Roger Sayle <roger@eyesopen.com>
3146 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3147 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3148 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3151 2006-02-26 Roger Sayle <roger@eyesopen.com>
3154 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3156 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3158 * opts.c (decode_options): Do not handle flag_strength_reduce.
3159 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3160 and OPT_fstrength_reduce.
3161 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3162 flag_prefetch_loop_arrays for being nonzero.
3163 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3165 (fprefetch-loop-arrays-rtl): Removed.
3166 (flag_prefetch_loop_arrays): Do not specify the value.
3168 * doc/passes.texi: Update documentation of loop optimizer
3170 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3171 -frerun-loop-opt): Remove.
3173 2006-02-26 Richard Guenther <rguenther@suse.de>
3175 PR tree-optimization/26421
3176 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3177 in function calls that are ADDR_EXPRs as using the whole structure.
3179 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3181 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3182 * tree-pass.h (pass_loop_optimize): Remove.
3183 * passes.c (pass_loop_optimize): Never run it.
3184 * toplev.c (backend_init): Don't call init_loop.
3185 * opts.c (flag_loop_optimize_set): Remove.
3186 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3187 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3188 the old RTL loop optimizer when profiling enabled.
3189 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3190 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3191 pre-headers for the sake of the old RTL loop optimizer.
3192 * Makefile.in: Remove all references to loop.o.
3194 * doc/invoke.texi: Remove all references to -floop-optimize
3195 and -frerun-loop-opt.
3197 2006-02-26 Zack Weinberg <zackw@panix.com>
3199 * doc/md.texi (Machine Constraints): Refer to all files with paths
3200 relative to gcc directory (i.e. config/CPU/file). Add missing
3201 @table @code ... @end table to M32C subsection.
3203 2006-02-26 Roger Sayle <roger@eyesopen.com>
3205 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3207 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3209 2006-02-26 Roger Sayle <roger@eyesopen.com>
3210 James A. Morrison <phython@gcc.gnu.org>
3213 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3214 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3215 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3216 signedness of the shift operation.
3218 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3220 PR tree-optimization/26359
3221 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3223 2006-02-25 Roger Sayle <roger@eyesopen.com>
3225 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3226 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3227 as X == 0, and some symmetry related transformations.
3228 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3230 2006-02-25 Roger Sayle <roger@eyesopen.com>
3233 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3234 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3235 symmetry related transformations. Fold (X^C1) == C2 as
3238 2006-02-25 Juergen Weigert <jw@suse.de>
3239 Richard Guenther <rguenther@suse.de>
3241 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3243 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3245 * combine.c (gen_lowpart_or_truncate): Call
3246 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3248 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3250 * doc/invoke.texi: Move -fopenmp description to "Options for
3252 Remove reference to -lgomp.
3254 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3256 * doc/install.texi: Require GNU tar version 1.14.
3258 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3260 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3261 * doc/invoke.texi (C++ Dialect Options): Document
3262 -fno-use-cxa-get-exception-ptr.
3263 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3264 * configure: Regenerate.
3265 * c.opt (fuse-cxa-get-exception-ptr): New.
3266 * c-opts.c (c_common_handle_option): Handle
3267 OPT_fuse_cxa_get_exception_ptr.
3268 * c-common.c (flag_use_cxa_atexit): Update documentation.
3269 (flag_use_cxa_get_exception_ptr): New.
3270 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3271 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3273 (C_COMMON_OVERRIDE_OPTIONS): New.
3275 2006-02-24 Roger Sayle <roger@eyesopen.com>
3278 * combine.c (try_combine): Explicitly check whether GET_CODE is
3279 a SET or a CLOBBER, instead on checking that it isn't a USE.
3281 2006-02-24 Roger Sayle <roger@eyesopen.com>
3283 * fold-const.c (fold_comparison): New subroutine of fold_binary
3284 containing transformations common to both the equality and
3285 ordering relational operators, factored out of fold_binary.
3286 (fold_binary): Separate out the equality operators (EQ_EXPR
3287 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3288 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3289 transformations common to both.
3290 (fold_div_compare): Fix latent bugs in the previously unreachable
3291 LT_EXPR and GE_EXPR cases.
3293 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3295 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3296 decl libname for clog to __clog on AIX.
3298 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3300 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3303 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3304 output traceback table for thunks. Localise rs6000_stack_info call.
3306 2006-02-23 Roger Sayle <roger@eyesopen.com>
3307 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3309 * gthr-posix.h (__gthrw): Fix typo in comment.
3311 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3313 * doc/cpp.texi (Character sets): Document that we do support
3314 input files to be in any character set.
3316 2006-02-23 Jeff Law <law@redhat.com>
3318 * tree.h (PHI_ARG_NONZERO): Remove.
3319 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3320 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3321 node to the new node.
3323 PR tree-optimization/26425
3324 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3325 min/max, then assume its varying.
3327 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3329 PR rtl-optimization/26316
3330 * rtlanal.c (enum may_trap_p_flags): New.
3331 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3332 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3333 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3334 (may_trap_after_code_motion_p): New function.
3335 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3336 (find_invariant_insn): Use may_trap_after_code_motion_p.
3337 * rtl.h (may_trap_after_code_motion_p): Declare.
3339 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3341 * emit-rtl.c (immed_double_const): Cleanup.
3343 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3345 Fix PR tree-optimization/26376
3346 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3349 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3352 * gimplify.c (omp_add_variable): Guard variable size decl test with
3353 DECL_SIZE (decl) check.
3355 2006-02-23 Richard Guenther <rguenther@suse.de>
3358 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3359 like aggregate types.
3361 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3363 * configure.ac: Add --with{,out}-long-double-128 configure option.
3364 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3365 * configure: Rebuilt.
3366 * config.in: Rebuilt.
3367 * doc/install.texi (Options specification): Document
3368 --with-long-double-128.
3370 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3371 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3372 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3373 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3375 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3377 * config/s390/s390.c (override_options): Handle
3378 TARGET_DEFAULT_LONG_DOUBLE_128.
3380 * config/alpha/alpha.c (override_options): Handle
3381 TARGET_DEFAULT_LONG_DOUBLE_128.
3383 * config/sparc/sparc.c (sparc_override_options): Handle
3384 TARGET_DEFAULT_LONG_DOUBLE_128.
3386 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3388 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3389 (real-install-headers-tar, real-install-headers-cpio)
3390 (real-install-headers-cp): New targets.
3392 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3394 * tree.h (variable_section): Delete.
3395 * varasm.c (variable_section): Delete.
3397 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3399 * install.texi: Add notes on install.texi2html.
3400 (Building in parallel): Do not use footnotes.
3402 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3405 * doc/install.texi (Configuration): Document --disable-libgomp.
3407 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3409 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3411 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3413 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3414 (vec_extractv2df_0_sse): New.
3416 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3418 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3419 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3420 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3421 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3422 to the result of the expression.
3423 (def_cfa_1): Adjust.
3424 (frame_pointer_cfa_offset): Rename to...
3425 (frame_pointer_fb_offset): ... this. Adjust all uses.
3426 (convert_cfa_to_loc_list): Rename to...
3427 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3428 Pass it on to build_cfa_loc.
3429 (compute_frame_pointer_to_cfa_displacement): Rename to...
3430 (compute_frame_pointer_to_fb_displacement): ... this. New
3431 offset parameter. Use it in computation.
3432 (gen_subprogram_die): Compute cfa_fb_offset with the new
3433 macro, and use it to compute the fb loc list and the
3436 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3438 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3439 replaced with register_operand.
3440 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3441 non-DREG is expensive.
3442 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3443 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3446 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3448 * doc/install.texi2html: Use set -e.
3450 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3452 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3453 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3454 * doc/invoke.texi (-fshared-data): Delete.
3455 * common.opt (fshared-data): Delete.
3456 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3457 (assemble_static_space): Remove #if 0 code.
3458 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3459 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3460 * config/cris/cris.h: Remove FIXME.
3462 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3464 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3467 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3470 * combine.c (simplify_shift_const_1): Disable nested shifts
3471 optimization for vector shifts.
3473 2006-02-20 Roger Sayle <roger@eyesopen.com>
3475 PR tree-optimization/26361
3476 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3477 of unsigned integer types.
3479 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3481 * tree-chrec.c (eq_evolutions_p): New.
3482 * tree-chrec.h (eq_evolutions_p): Declared.
3483 * tree-data-ref.c: Fix formatting.
3484 (datadep_stats, dependence_stats): New.
3486 (print_direction_vector): New.
3487 (dump_data_dependence_relation): Use print_direction_vector.
3488 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3489 (compute_subscript_distance): Static.
3490 (initialize_data_dependence_relation): Static. Get the number
3491 of loops surrounding the references from the callers, and initialize
3492 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3493 base_object_differ_p analyzers.
3494 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3495 compute_overlap_steps_for_affine_1_2,
3496 analyze_subscript_affine_affine): Count the classified dependences.
3497 Print a message when a test failed.
3498 (can_use_analyze_subscript_affine_affine): New.
3499 (analyze_siv_subscript): Compute the data dependences on symbolic
3500 scevs that verify can_use_analyze_subscript_affine_affine.
3501 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3502 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3503 Handle symbolic scevs.
3504 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3506 (subscript_dependence_tester): Moved...
3507 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3508 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3509 DDR_SIZE_VECT instead of getting it in parameter.
3510 (subscript_dependence_tester): ... here. Take as a parameter
3511 loop_nest_depth. Call build_classic_dist_vector and
3512 build_classic_dir_vector.
3513 (compute_affine_dependence): Update subscript_dependence_tester
3514 parameters. Update datadep_stats counters. Call
3515 compute_subscript_distance.
3516 (compute_self_dependence): Save the dist and dir vectors. Call
3517 compute_subscript_distance.
3518 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3519 (compute_all_dependences): Reorder parameters as they were before
3520 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3521 compute_subscript_distance. Update the use of
3522 compute_affine_dependence and initialize_data_dependence_relation.
3523 (find_data_references_in_loop): Handle COMPONENT_REF.
3524 (compute_data_dependences_for_loop): Initialize dependence_stats.
3525 Don't call build_classic_dist_vector and build_classic_dir_vector.
3526 Update the parameters of initialize_data_dependence_relation and
3527 compute_all_dependences. Print the statistics from datadep_stats.
3528 (analyze_all_data_dependences): Static. Not used until the pass for
3529 checking the data dependences is contributed.
3530 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3531 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3532 (initialize_data_dependence_relation, compute_affine_dependence,
3533 analyze_all_data_dependences, compute_subscript_distance): Removed.
3534 (print_direction_vector): New.
3535 * lambda.h (gcd): ... here.
3536 (lambda_vector_gcd): Moved here from gcd_vector.
3537 * lambda-code.c (gcd, gcd_vector): Removed.
3538 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3539 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3541 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3543 * ipa-type-escape.c: Tidy some comments and white space.
3544 * tree-ssa-operands.c: Likewise.
3546 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3549 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3550 (dump_decl_name): Do not walk the decl tree chains.
3551 * tree-pass.h (TDF_CHAIN): Remove.
3553 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3555 * Makefile.in (C): Remove
3557 (.PHONY): Remove C and PROTO
3559 2006-02-20 Roger Sayle <roger@eyesopen.com>
3562 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3563 deprecated CHAR_TYPE tree code.
3565 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3567 * configure.ac (target_list): Add install-info, dvi, html.
3568 * configure: Regenerate.
3570 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3571 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3572 treelang/Make-lang.in: Do not use double-colon rules.
3574 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3576 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3577 (TMT_USED_ALONE): New macro.
3578 * tree-pass.h (PROP_tmt_usage): New property.
3579 (TODO_update_tmt_usage): New todo.
3580 * tree-ssa-alias.c (updating_used_alone): New variable.
3581 (recalculate_used_alone): New function.
3582 (compute_may_aliases): Set updating_used_alone, call
3583 recalculate_used_alone.
3584 * tree-sra.c (pass_sra): Note that this pass destroys
3585 PROP_tmt_usage, and add TODO_update_tmt_usage.
3586 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3587 * tree-flow.h (updating_used_alone): Prototype.
3588 (recalculate_used_alone): Ditto.
3589 * passes.c (execute_todo): Add code to set updating_used_alone,
3590 and call recalculate.
3591 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3592 for clobber if used alone, and add assert to verify used_alone
3595 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3597 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3598 for non tls symbols added.
3599 (legitimize_address): Do nothing for PLUS expressions if one of the
3600 addends is a tls symbol reference.
3602 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3606 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3608 * Makefile.in (BOOTSTRAPPING): New.
3609 (quickstrap): New definition if BOOTSTRAPPING=yes.
3611 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3612 * configure.ac: Substitute all_selected_languages with the languages
3613 that were configured. For all the other variables except
3614 lang_specs_files, include all the languages in the tree.
3615 * configure: Regenerate.
3617 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3618 if there is one. Run the commands to run fixincludes in the same
3621 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3622 * doc/install.texi: Document exact conventions for searching target tools.
3623 Document --with-build-time-tools. Document toplevel bootstrap. Document
3624 something more about building an Ada cross-compiler. Don't list GNU Make
3625 requirements which affect all platforms.
3627 2006-02-19 Roger Sayle <roger@eyesopen.com>
3630 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3631 only equivalent if the have both the same mode and precision.
3633 2006-02-20 Ben Elliston <bje@au.ibm.com>
3635 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3637 2006-02-19 Roger Sayle <roger@eyesopen.com>
3638 Steven Bosscher <stevenb.gcc@gmail.com>
3640 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3641 constant pool references to identify stack mode constants.
3642 * rtlanal.c (constant_pool_constant_p): New predicate to check
3643 whether operand is a floating point constant in the pool.
3644 * rtl.h (constant_pool_constant_p): Prototype here.
3645 * loop.c (scan_loop): Avoid hoisting constants from the constant
3646 pool on STACK_REGS targets.
3647 (load_mems): Likewise.
3648 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3649 loads into x87 registers expensive in terms of register pressure.
3651 2006-02-19 Roger Sayle <roger@eyesopen.com>
3653 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3654 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3656 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3658 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3659 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3661 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3663 * doc/invoke.texi: Document -fipa-pta.
3664 * common.opt: Add ipa-pta option.
3665 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3666 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3667 (do_ds_constraint): Ditto.
3668 (get_constraint_for): Only add to referenced_vars if
3669 referenced_vars exists.
3670 (insert_into_field_list): Rewrite to do this unsorted.
3671 (insert_into_field_list_sorted): Rename old insert_into_field_list
3673 (create_function_info_for): Use insert_into_field_list_sorted.
3674 (create_variable_info_for): Rewrite so it uses unsorted version,
3675 since the field list is sorted.
3676 (intra_create_variable_infos): Only add to referenced_vars if
3677 referenced_vars exists.
3678 (ipa_pta_execute): Init heapvars, and delete when done.
3679 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3681 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3683 * doc/install.texi: Add missing `@samp'.
3685 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3687 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3690 2006-02-18 Mark Wielaard <mark@klomp.org>
3692 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3693 who added new 4.1 features, bug fixes and integration support.
3695 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3698 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3701 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3703 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3704 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3705 (copy_insn_1): Likewise. Don't copy each field individually.
3707 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3709 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3710 * rtl.c (rtx_size): Rename variable to...
3711 (rtx_code_size): ...this.
3712 (rtx_size): New function.
3713 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3714 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3716 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3717 * rtl.h (rtx_code_size): New variable.
3718 (rtx_size): Change from a variable to a function.
3719 (RTX_SIZE): Rename to...
3720 (RTX_CODE_SIZE): ...this.
3723 PR tree-optimization/17106
3724 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3725 (Anchored Addresses): New section.
3726 * doc/invoke.texi (-fsection-anchors): Document.
3727 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3728 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3729 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3730 * hooks.c (hook_bool_mode_rtx_false): New function.
3731 * hooks.h (hook_bool_mode_rtx_false): Declare.
3732 * gengtype.c (create_optional_field): New function.
3733 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3734 SYMBOL_REF_IN_BLOCK_P is true.
3735 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3736 (min_anchor_offset, max_anchor_offset): Likewise.
3737 (use_anchors_for_symbol_p): New hook.
3738 * toplev.c (compile_file): Call output_object_blocks.
3739 (target_supports_section_anchors_p): New function.
3740 (process_options): Check that -fsection-anchors is only used on
3741 targets that support it and when -funit-at-a-time is in effect.
3742 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3743 if the decl doesn't have one.
3744 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3745 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3746 of force_const_mem through use_anchored_address.
3747 (expand_expr_constant): New function.
3748 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3749 calling expand_expr for INDIRECT_REF.
3750 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3751 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3752 * expr.h (use_anchored_address): Declare.
3753 * loop-unroll.c: Don't declare rtx vectors here.
3754 * explow.c: Include output.h.
3755 (validize_mem): Call use_anchored_address.
3756 (use_anchored_address): New function.
3757 * common.opt (-fsection-anchors): New switch.
3758 * varasm.c (object_block_htab, anchor_labelno): New variables.
3759 (hash_section, object_block_entry_eq, object_block_entry_hash)
3760 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3761 (use_blocks_for_decl_p, change_symbol_section): New functions.
3762 (get_variable_section): New function, split out from assemble_variable.
3763 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3764 use_blocks_for_decl_p say so. Use change_symbol_section if the
3765 symbol has already been created.
3766 (assemble_variable_contents): New function, split out from...
3767 (assemble_variable): ...here. Don't output any code for
3768 block symbols; just pass them to place_block_symbol.
3769 Use get_variable_section and assemble_variable_contents.
3770 (get_constant_alignment, get_constant_section, get_constant_size): New
3771 functions, split from output_constant_def_contents.
3772 (build_constant_desc): Create a block symbol if use_object_blocks_p
3773 says so. Or into SYMBOL_REF_FLAGS.
3774 (assemble_constant_contents): New function, split from...
3775 (output_constant_def_contents): ...here. Don't output any code
3776 for block symbols; just pass them to place_section_symbol.
3777 Use get_constant_section and get_constant_alignment.
3778 (force_const_mem): Create a block symbol if use_object_blocks_p and
3779 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3780 (output_constant_pool_1): Add an explicit alignment argument.
3781 Don't switch sections here.
3782 (output_constant_pool): Adjust call to output_constant_pool_1.
3783 Switch sections here instead. Don't output anything for block symbols;
3784 just pass them to place_block_symbol.
3785 (init_varasm_once): Initialize object_block_htab.
3786 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3787 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3788 (place_block_symbol, get_section_anchor, output_object_block)
3789 (output_object_block_htab, output_object_blocks): New functions.
3790 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3791 (TARGET_ASM_OUT): Include it.
3792 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3793 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3794 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3795 (TARGET_INITIALIZER): Include them.
3796 * rtl.c (rtl_check_failed_block_symbol): New function.
3797 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3798 (block_symbol, object_block): New structures.
3799 (rtx_def): Add a block_symbol field to the union.
3800 (BLOCK_SYMBOL_CHECK): New macro.
3801 (rtl_check_failed_block_symbol): Declare.
3802 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3803 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3804 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3805 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3806 * output.h (output_section_symbols): Declare.
3807 (object_block): Name structure.
3808 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3809 (default_use_anchors_for_symbol_p): Declare.
3810 * Makefile.in (RTL_BASE_H): Add vec.h.
3811 (explow.o): Depend on output.h.
3812 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3813 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3814 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3815 (rs6000_use_blocks_for_constant_p): New function.
3817 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3819 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3821 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3824 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3827 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3829 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3833 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3836 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3837 instead of DECL_REGISTER.
3839 2006-02-18 Olivier Hainque <hainque@adacore.com>
3842 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3844 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3847 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3848 * opth-gen.awk: Handle Var and InverseMask together.
3849 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3850 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3851 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3852 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3854 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3855 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3856 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3857 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3858 LINUX_DYNAMIC_LINKER): Define.
3859 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3860 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3862 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3863 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3864 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3866 (TARGET_C99_FUNCTIONS): Don't define.
3867 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3868 GLIBC_DYNAMIC_LINKER.
3869 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3870 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3871 GLIBC_DYNAMIC_LINKER64): Define.
3872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3873 LINUX_DYNAMIC_LINKER64.
3874 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3876 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3878 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3879 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3880 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3881 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3882 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3884 and LINUX_DYNAMIC_LINKER32.
3885 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3887 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3889 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3891 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3892 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3893 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3894 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3895 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3896 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3897 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3898 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3899 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3900 LINUX_DYNAMIC_LINKER): Define.
3901 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3902 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3903 GLIBC_DYNAMIC_LINKER64): Define.
3904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3905 LINUX_DYNAMIC_LINKER64.
3906 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3907 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3908 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3909 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3910 LINUX_DYNAMIC_LINKER): Define.
3911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3912 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3913 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3914 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3915 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3916 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3917 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3918 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3919 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3920 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3922 * doc/invoke.texi (-muclibc): Remove caveat about supported
3925 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3927 * doc/cpp.texi (__TIMESTAMP__): Document.
3929 2006-02-17 Roger Sayle <roger@eyesopen.com>
3932 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3933 C is one less than the width of X (and related transformations).
3934 * simplify-rtx.c (simplify_unary_operation_1): Transform
3935 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3936 depending on STORE_FLAG_VALUE, were C is one less then the
3939 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3941 Fix PR tree-optimization/26341
3942 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3943 about NAME_MEMORY_TAG's.
3945 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3948 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3949 with hardware float support, and software float support. Add fcpy
3950 alternative to hardware patterns. Add alternatives to copy between
3951 general and floating-point registers to the 32-bit pattern.
3952 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3953 secondary reload to load a QI or HI mode constant into a floating
3955 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3956 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3958 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3961 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3963 (load_macho_picbase_di): Likewise.
3965 2006-02-16 Jeff Law <law@redhat.com>
3967 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3968 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3969 (ssa_name_nonzero_p): Likewise.
3970 (get_value_range): Return NULL if VRP is not running.
3971 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3972 VRP routines do not discover a range.
3973 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3974 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3975 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3976 (tree_expr_nonnegative_p): Similarly.
3977 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3978 (restore_nonzero_vars_to_original_value): Remove.
3979 (unsafe_associative_fp_binop): Remove.
3980 (tree_ssa_dominator_optimize): Remove initialization and
3981 finalization of nonzero_vars and nonzero_vars_stack.
3982 (dom_opt_initialize_block): No longer push marker on
3984 (dom_opt_finalize_block): No longer call
3985 restore_nonzero_vars_to_original_value.
3986 (record_equivalences_from_phis): No longer look for
3987 nonzero PHI arguments.
3988 (cprop_into_successor_phis): No longer propagate nonzero
3989 property into PHI arguments. Lose unused argument. Caller
3991 (record_equivalences_from_stmt): No longer record nonzero
3992 values for SSA_NAMEs.
3993 (lookup_avail_expr): No longer use nonzero_vars.
3995 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3996 for sizetype when sizetype is unsigned.
3998 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4000 PR rtl-optimization/25603
4001 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4002 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4003 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4004 with new meaning of SETS.
4006 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4011 * config/linux.opt: New file.
4012 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4013 LINUX_DYNAMIC_LINKER): Define.
4014 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4015 * config.gcc (*-*-linux*): Define extra_options.
4016 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4017 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4018 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4019 GLIBC_DYNAMIC_LINKER.
4020 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4021 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4022 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4024 * doc/invoke.texi (GNU/Linux Options): New section.
4026 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4028 * config/sparc/sparc.md (setjmp): Rewrite.
4029 (setjmp_32): Delete.
4030 (setjmp_64): Likewise.
4032 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4034 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4037 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4039 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4042 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4044 PR rtl-optimization/26296
4045 * Makefile.in (loop-invariant.c): Add except.h dependency.
4046 * loop-invariant.c: Include except.h.
4047 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4049 2005-02-16 Paul Brook <paul@codesourcery.com>
4051 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4054 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4056 PR rtl-optimization/25636
4057 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4058 when deciding whether an insn is an initializing insn.
4060 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4062 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4063 (tree_code_size): Ditto.
4064 * tree.h (struct tree_memory_tag): Remove parent_var.
4065 (struct tree_struct_field_tag): New.
4068 (union tree_node): Add sft member.
4069 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4071 (create_sft): Add size and offset argument, set SFT_OFFSET and
4073 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4074 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4075 * tree-flow-inline.h (get_subvar_at): Update for
4076 SFT_OFFSET/SFT_SIZE.
4077 (var_can_have_subvars): Ditto.
4078 (overlap_subvar): Ditto.
4079 * print-tree.c (print_node): Print out interesting things for
4081 * tree-flow.h (struct subvar): Remove offset and size members.
4082 * tree-ssa-operands.c (get_expr_operands): Update for
4083 get_indirect_ref_operands changes.
4084 (get_indirect_ref_operands): Call add_virtual_operand instead of
4085 add_stmt_operand. Only recurse on base var if requested.
4086 (access_can_touch_variable): New function.
4087 (add_stmt_operand): Split virtual operand handling into ...
4088 (add_virtual_operand): Here. Add offset, size, and for_clobber
4089 arguments. Prune alias sets.
4090 (add_call_clobber_ops): Call add_virtual_operand.
4092 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4095 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4097 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4098 than TREE_CODE as index into omp_clause_num_ops array.
4100 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4102 PR rtl-optimization/26184
4103 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4105 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4106 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4107 must_precede, must_follow and tobe_scheduled.
4110 * opts.c (common_handle_option): Free new_option pointer.
4111 * df-core.c (df_analyze): Free postorder pointer.
4113 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4115 * Makefile.in: Fix the examples about the use of stamps
4117 2006-02-15 Michael Matz <matz@suse.de>
4121 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4122 influenced by maximum_field_alignment or DECL_PACKED.
4123 (update_alignment_for_field): Ditto.
4124 (place_field): Ditto.
4125 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4128 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4130 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4131 (debug_flow_info): Pass it.
4132 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4133 * bb-reorder.c (reorder_basic_blocks): Likewise.
4134 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4135 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4136 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4137 * gcse.c (gcse_main, bypass_jumps): Likewise.
4138 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4139 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4140 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4141 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4142 * rtl.h (dump_flow_info): Adjust prototype.
4143 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4144 * var-tracking.c (variable_tracking_main): Likewise.
4145 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4146 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4149 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4151 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4154 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4156 PR tree-optimization/26209
4157 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4158 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4160 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4162 2006-02-14 Roger Sayle <roger@eyesopen.com>
4165 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4166 (X,Y) and the corresponding symmetry related transformations.
4167 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4168 (X,Y) and its symmetry related transformations.
4170 2006-02-14 Roger Sayle <roger@eyesopen.com>
4172 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4175 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4177 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4179 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4182 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4183 support COMDAT group.
4184 * configure: Regenerate.
4186 2006-02-14 Roger Sayle <roger@eyesopen.com>
4191 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4193 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4195 Fix PR tree-optimization/26260
4197 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4199 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4200 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4201 * tree-ssa-structalias.c (create_variable_info_for): Use
4202 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4204 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4206 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4208 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4209 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4210 of the ending condition.
4211 * tree-ssa-loop-manip.c: Include params.h.
4212 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4213 tree_unroll_loop): New functions.
4214 * tree-pass.h (pass_loop_prefetch): Declare.
4215 * loop.c (rest_of_handle_loop_optimize): Test for
4216 -fprefetch-loop-arrays-rtl.
4217 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4218 * timevar.def (TV_TREE_PREFETCH): New timevar.
4219 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4220 pass_loop_prefetch): New.
4221 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4222 (cleanup_tree_cfg_loop): Call scev_reset.
4223 * common.opt (fprefetch-loop-arrays-rtl): Add.
4224 * tree-ssa-loop-prefetch.c: New file.
4225 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4226 (new_temp_expr_table): Initialize expr_vars.
4227 (free_temp_expr_table): Cleanup expr_vars.
4228 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4229 expressions from being merged into one.
4230 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4231 (struct tree_niter_desc): Add control, bound and cmp fields.
4232 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4234 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4235 (tree-cfgcleanup.o): Add SCEV_H dependency.
4236 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4237 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4239 2006-02-14 Richard Guenther <rguenther@suse.de>
4241 PR tree-optimization/26258
4242 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4243 in PHI argument processing.
4245 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4247 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4248 new expression in the requested machine mode.
4250 2006-02-13 Roger Sayle <roger@eyesopen.com>
4252 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4253 directly, instead let do_compare_rtx_and_jump handle this for us.
4254 * expr.c (expand_expr_real_1): Likewise.
4255 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4256 before do_jump_by_parts_greater.
4257 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4258 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4260 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4262 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4264 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4266 PR rtl-optimization/26235
4267 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4268 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4271 2006-02-13 Jeff Law <law@redhat.com>
4273 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4276 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4279 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4280 twice if decl is a builtin. When trying again, call get_callee_fndecl
4281 first to verify it is still a builtin.
4283 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4285 * dwarf2out.c (base_type_die): Don't add AT_name here.
4286 (subrange_type_die): Don't add AT_name here.
4287 (modified_type_die): Rearrange code flow. Do add AT_name here.
4289 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4291 PR rtl-optimization/26247
4292 PR rtl-optimization/26248
4293 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4295 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4297 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4298 * config/fixtfdi.c: Likewise.
4299 * config/fixunstfdi.c: Likewise.
4300 * config/floatditf.c: Likewise.
4302 2006-02-13 Roger Sayle <roger@eyesopen.com>
4305 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4306 into (X,C2) if C1 is a subset of the bits of C2. Transform
4307 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4309 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4311 2006-02-13 Josh Conner <jconner@apple.com>
4314 * varasm.c (function_section): Check for section name before
4315 calling select_section on targets that define
4316 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4317 unlikely_text_section instead of hot_function_section if
4318 first_function_block_is_cold.
4320 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4323 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4327 PR rtl-optimization/26222
4328 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4329 after tree->rtl expansion.
4330 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4331 before passing it to emit_move_insn.
4333 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4335 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4337 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4338 Clarify documentation.
4339 * c-common.h (warn_write_strings): Remove.
4340 * c-common.c (warn_write_strings): Likewise.
4341 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4344 2006-02-12 Roger Sayle <roger@eyesopen.com>
4347 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4348 (do_jump_parts_zero_rtx): New function renamed from
4349 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4350 (do_jump_parts_equality_rtx): New function split out from
4351 do_jump_parts_equality. Old implementation renamed as above.
4352 Call do_jump_parts_zero_rtx if either operand is zero.
4353 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4354 do all of the heavy lifting.
4355 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4356 calling either do_jump_by_parts_greater_rtx or
4357 do_jump_by_parts_equality_rtx.
4358 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4359 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4360 moved to do_compare_rtx_and_jump, call it directly.
4361 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4362 mode argument. Call do_compare_rtx_and_jump.
4363 (emit_case_nodes): Update calls to do_jump_if_equal.
4365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4367 PR rtl-optimization/26225
4368 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4370 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4372 PR rtl-optimization/26232
4373 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4375 2006-02-11 Jason Merrill <jason@redhat.com>
4378 * tree-inline.c (declare_return_variable): Just don't use the
4379 modify target if it's a gimple complex reg and the return slot
4382 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4384 * doc/contrib.texi: Update my entry.
4386 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4388 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4390 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4392 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4395 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4397 * doc/invoke.texi (-floop-optimize2): Removed.
4398 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4399 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4400 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4401 * common.opt (floop-optimize2): Removed.
4402 (fmove-loop-invariants): Enabled by default.
4404 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4406 * tree-if-conv.c (combine_blocks): Free the result of
4407 get_loop_exit_edges.
4409 2006-02-10 Jeff Law <law@redhat.com>
4411 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4413 PR tree-optimization/26213
4414 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4415 loop trying to follow SSA_NAME_VALUE chains.
4417 2006-02-10 Richard Guenther <rguenther@suse.de>
4419 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4420 deal with structures that end in implicitly variable sized arrays.
4422 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4424 PR rtl-optimization/24762
4425 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4428 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4430 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4431 (struct ivopts_data): Add regs_used field.
4432 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4433 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4434 instead of loop_data->regs_used;
4435 (free_loop_data): Do not free aux fields for loops.
4436 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4437 and tree_ssa_iv_optimize_finalize.
4439 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4441 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4443 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4446 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4447 computing the effective result type.
4449 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4452 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4453 (tree_overlaps_hard_reg_set): Declare.
4454 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4455 type and signature to match function type expected by walk_tree.
4456 (tree_overlaps_hard_reg_set): New function.
4457 (decl_conflicts_with_clobbers_p): Rename to:
4458 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4459 Use tree_overlaps_hard_reg_set. Changed caller.
4460 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4461 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4462 * cris.c (cris_md_asm_clobbers): Likewise.
4464 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4466 * reload1.c (emit_input_reload_insns): Delete code that tries to
4467 inherit using find_equiv_reg.
4469 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4471 * c-common.h (flag_const_strings): Don't declare.
4472 * c-common.c (flag_const_strings): Remove.
4473 * c.opt (fconst_strings): Remove.
4474 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4475 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4476 (c_common_init_options): Don't set flag_const_strings.
4477 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4479 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4481 * arm.md (tlobits_cbranch): New pattern.
4482 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4483 testing a single bit.
4485 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4488 * tree-ssa-pre.c (create_component_ref_by_pieces):
4489 Handle RETURN_DECL like VAR_DECL.
4491 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4494 * fold-const.c (fold_indirect_ref_1): Fold
4495 "*(foo *)&complexfoo" to "__real__ complexfoo"
4496 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4498 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4500 * tree-flow-inline.h (var_can_have_subvars):
4501 Volatile variables should not have subvariables.
4503 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4506 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4507 multiplying unsigned values.
4510 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4512 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4514 2006-02-08 Jason Merrill <jason@redhat.com>
4517 * tree.def: Elaborate on difference from MODIFY_EXPR.
4518 * doc/c-tree.texi (INIT_EXPR): Likewise.
4519 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4520 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4521 (gimplify_target_expr): Likewise.
4522 (gimplify_cond_expr): Remove target handling.
4523 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4524 (gimplify_expr): Clobber it here.
4525 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4526 Do return slot optimization if we have an INIT_EXPR.
4529 * tree-inline.c (declare_return_variable): Also clear
4530 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4533 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4536 * gimplify.c (gimplify_one_sizepos): Fix typo.
4538 2006-02-08 Jeff Law <law@redhat.com>
4540 PR tree-optimization/21417
4541 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4542 across a backedge if the control statement at the end of the
4543 block is data dependent on other statements in the same block.
4544 (record_temporary_equivalences_from_stmts): Remove over-conservative
4545 test for threading across backedges.
4547 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4548 control statement, handle all three special cases in the same
4549 manner as they all have the same desired solution. No longer
4550 special case edge flag updating when the post dominator is
4553 2006-02-08 Roger Sayle <roger@eyesopen.com>
4555 * tree.def (CHAR_TYPE): Remove.
4556 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4557 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4558 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4559 (gen_string_type_die): Delete unreachable function.
4561 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4562 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4563 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4564 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4565 * builtins.c (type_to_class): Likewise.
4566 * fold-const.c (fold_convert, build_range_check,
4567 merge_ranges): Likewise.
4568 * expr.c (count_type_elements): Likewise.
4569 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4570 * stor-layout.c (layout_type): Likewise.
4571 * ipa-type-escape.c (type_to_consider): Likewise.
4572 * gimplify.c (omp_firstprivatize_type_sizes,
4573 gimplify_type_sizes): Likewise.
4574 * explow.c (promote_mode): Likewise.
4575 * tree-sra.c (is_sra_scalar_type): Likewise.
4576 * varasm.c (output_constant): Likewise.
4577 * tree-inline.c (remap_type_1): Likewise.
4578 * convert.c (convert_to_pointer, convert_to_real,
4579 convert_to_integer, convert_to_complex): Likewise.
4581 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4583 * df-scan.c (df_def_record_1): A set destination may
4584 be a parallel regardless of mode.
4586 2006-02-08 Roger Sayle <roger@eyesopen.com>
4589 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4590 * config/mips/_tilib.c: Remove.
4591 * config/fixtfdi.c: New libgcc source file.
4592 * config/fixunstfdi.c: New source file.
4593 * config/floatditf.c: New source file.
4594 * config/floatunditf.c: New souce file.
4595 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4596 files above instead of config/mips/_tilib.c.
4597 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4599 2006-02-08 Jeff Law <law@redhat.com>
4601 PR tree-optimization/26169
4602 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4605 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4607 * df.h (DF_REG_SIZE): Return the length of the initialized
4610 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4612 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4613 __muldf3): Return a correctly signed zero.
4615 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4617 * passes.c (register_one_dump_file): Accept the current properties
4618 instead of pass number. Adjust call to dump_register. Remove
4620 (register_dump_files): Now a wrapper around...
4621 (register_dump_files_1): ... this one. Do not modify the pass
4623 (next_pass_1): Cosmetic fix.
4624 (execute_todo): Keep second parameter only. Use curr_properties
4625 instead of fetching it from the pass structure. Check and set
4627 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4628 instead of fetching it from the pass structure. Fix calls to
4629 execute_todo. Update curr_properties and initialize .vcg RTL dump
4630 after running the pass. Reset last_verified.
4631 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4633 (FIRST_AUTO_NUMBERED_DUMP): New.
4634 (dump_register): Remove "num" parameter, assign it within the
4636 (get_dump_file_name): Modify template for dumps.
4637 * tree-dump.h (dump_register): Adjust prototype.
4638 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4639 (PROP_trees): Add PROP_gimple_lomp.
4640 (TODO_set_props): New.
4641 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4642 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4643 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4645 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4647 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4648 (sparc64-*-linux*): Likewise.
4649 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4650 * config/sparc/t-linux: New file.
4651 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4652 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4653 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4654 -m32 -mlong-double-128.
4656 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4657 * config/alpha/t-linux: New file.
4658 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4660 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4661 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4662 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4663 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4664 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4665 (CPP_ARCH32_SPEC): Remove.
4667 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4669 PR tree-optimization/26145
4670 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4673 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4676 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4677 >= 240000 when generating code for SOM runtime.
4678 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4679 to $$dyncall when generating code for SOM runtime..
4681 2006-02-07 Dirk Mueller <dmueller@suse.com>
4684 * doc/invoke.texi (-Wsequence-point): Update documentation
4685 that -Wsequence-point is implemented for C++ as well.
4687 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4689 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4690 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4691 (LIB_SPEC): Likewise.
4692 * doc/invoke.texi (SPARC options): Document -pthread.
4694 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4696 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4699 2006-02-07 Roger Sayle <roger@eyesopen.com>
4701 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4702 Correct comment describing BOOLEAN_TYPE.
4704 2006-02-07 Dirk Mueller <dmueller@suse.com>
4706 * c.opt: C++ frontend supports -Wdiv-by-zero.
4707 * c-opts.c (c_common_handle_option): Remove dead case.
4709 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4711 * configure.ac (TLS assembler check): Do not enable TLS by
4712 default on SPARC/Solaris before version 10.
4713 * configure: Regenerate.
4715 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4717 * doc/invoke.texi (xl-compat): Document conversion and support
4720 2006-02-07 Jeff Law <law@redhat.com>
4722 * tree-vrp.c (find_conditional_asserts): Update comments.
4723 (simplify_stmt_for_jump_threading): New.
4724 (identify_jump_threads, finalize_jump_threads): New.
4725 (vrp_finalize): Call identify_jump_threads.
4726 (execute_vrp): Call finalize_jump_threads.
4727 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4728 (vrp_element, vrp_data, vrp_element_p): Remove.
4729 (vrp_hash_elt, vrp_variables_stack): Remove.
4730 (vrp_hash, vrp_eq, record_range): Remove.
4731 (simplify_cond_and_lookup_avail_expr): Remove.
4732 (extract_range_from_cond): Remove.
4733 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4734 (simplify_stmt_for_jump_threading): New.
4735 (dom_thread_across_edge): New wrapper.
4736 (tree_ssa_dominator_optimize): No longer initialize or
4737 finalize any of the VRP datastructures. Remove iteration
4738 step and simplify as a result of removal of iteration step.
4739 (pass_dominator): Perform a cfg cleanup after DOM.
4740 (dom_opt_finalize_block): Use the new common routines
4741 for threading jumps. Simplify stack management slightly.
4742 No longer need to unwind VRP state.
4743 (record_equivalences_from_incoming_edge): No longer record
4745 (eliminate_redundant_computations): No longer call
4746 simplify_cond_and_lookup_avail_expr.
4747 * tree-flow.h (potentially_threadable_block): Prototype.
4748 (thread_across_edge): Likewise.
4749 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4750 (tree-ssa-threadedge.o): Add dependencies.
4751 * tree-ssa-threadedge.c: New file.
4752 * passes.c (init_optimization_passes): Merge PHIs before
4753 calling VRP. Run VRP again late in the SSA optimization pipeline.
4755 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4757 * df-core.c (df_set_blocks): Do not dereference function pointers.
4758 (df_finish1): Likewise.
4759 (df_hybrid_search_forward): Likewise.
4760 (df_hybrid_search_backward): Likewise.
4761 (df_iterative_dataflow): Likewise.
4762 (df_analyze_problem): Likewise.
4763 (df_compact_blocks): Likewise.
4764 (df_dump): Likewise.
4765 * df-scan.c (df_rescan_blocks): Likewise.
4766 (df_record_entry_block_defs): Likewise.
4768 * genconditions.c (write_conditions): Guard the definition of
4769 'insn_conditions' with the check on GCC version.
4770 (write_writer): Guard the traversal 'insn_conditions' with
4771 the check on GCC version.
4773 2006-02-07 Richard Guenther <rguenther@suse.de>
4777 2006-01-30 Richard Guenther <rguenther@suse.de>
4779 * gimplify.c (gimplify_target_expr): Handle easy cases
4780 without creating a temporary.
4782 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4784 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4785 use of float in probability computations. Use edge probabilities
4786 in place of statically computed probabilities.
4787 (min_spec_prob): New static variable.
4788 (schedule_insns): Initialize it.
4789 (GET_SRC_PROB): Removed.
4790 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4792 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4795 * config/ia64/unwind-ia64.c: Revert last change.
4796 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4797 (INCOMING_FRAME_SP_OFFSET): Define.
4799 2006-02-06 Roger Sayle <roger@eyesopen.com>
4801 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4803 2006-02-07 Ben Elliston <bje@au.ibm.com>
4805 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4806 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4807 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4808 (ix86_return_in_memory): Handle TDmode.
4809 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4810 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4812 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4814 * reorg.c (dbr_schedule): Use dump_file instead of file.
4816 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4819 * config/ia64/predicates.md (extr_len_operand): New predicate.
4820 * config/ia64/ia64.md (extv): Tighten constraints.
4822 (*tbit_and_2): Ditto.
4823 (*tbit_and_3): Ditto.
4824 (*tbit_or_2): Ditto.
4825 (*tbit_or_3): Ditto.
4829 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4832 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4834 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4836 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4837 loop_optimizer_init and loop_optimizer_finalize
4838 * tree-ssa-sink.c (execute_sink_code): Ditto.
4839 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4840 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4841 tree_ssa_loop_done): Ditto.
4842 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4843 * sched-ebb.c: Include output.h.
4844 (schedule_ebbs): Do not use dump argument.
4845 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4846 * loop.c (loop_dump_stream): Removed.
4847 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4849 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4850 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4851 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4852 loop_iterations, strength_reduce, record_biv, record_giv,
4853 final_giv_value, check_final_value, check_ext_dependent_givs,
4854 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4855 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4856 dump_file instead of loop_dump_stream.
4857 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4859 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4861 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4862 * haifa-sched.c: Include output.h
4863 (schedule_insns, sched_init): Do not use dump argument.
4864 * mode-switching.c (optimize_mode_switching): Ditto.
4865 * modulo-sched.c (stats_file): Removed.
4866 (print_node_sched_params): Do not call argument dump_file.
4867 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4868 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4870 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4872 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4873 rtl_loop_init, rtl_loop_done): Ditto.
4874 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4875 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4877 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4878 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4879 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4880 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4881 * emit-rtl.c (renumber_insns): Ditto.
4882 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4883 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4884 * regclass.c (regclass): Ditto.
4885 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4886 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4887 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4888 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4890 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4891 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4893 * gcse.c (gcse_file, debug_stderr): Removed.
4894 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4895 rest_of_handle_gcse): Do not use dump argument.
4896 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4897 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4898 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4899 compute_code_hoist_vbeinout, compute_code_hoist_data,
4900 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4901 compute_store_table, build_store_vectors, insert_insn_start_bb,
4902 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4903 store_motion): Use dump_file instead of gcse_file.
4904 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4905 * profile.c (profile_dump_file): Removed.
4906 (branch_prob): Use dump_file instead of profile_dump_file.
4907 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4909 * tree-ssa-copy.c (dump_copy_of): Ditto.
4910 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4911 dump file to life_analysis.
4912 * bt-load.c (branch_target_load_optimize): Ditto.
4913 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4915 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4916 regclass, dbr_schedule): Declaration changed.
4917 * sched-int.h (sched_init): Declaration changed.
4918 * tree-profile.c (tree_profile_dump_file): Removed.
4919 (tree_profile_hooks): Removed profile_dump_file hook.
4920 * rtl-profile (rtl_profile_dump_file): Removed.
4921 (rtl_profile_hooks): emoved profile_dump_file hook.
4922 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4924 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4925 * tree-cfg.c (build_tree_cfg): Ditto.
4926 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4927 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4928 Declaration changed.
4929 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4930 life_analysis and schedule_insns.
4931 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4933 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4935 * config/mips/mips.c (mips_reorg): Ditto.
4936 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4939 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4941 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4942 (s390_mangle_fundamental_type): New.
4943 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4946 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4947 (alpha_mangle_fundamental_type): New.
4948 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4951 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4953 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4955 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4956 (sparc_mangle_fundamental_type): New.
4958 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4960 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4961 (s390x-*-linux*): Likewise.
4962 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4963 * config/s390/t-linux: New file.
4965 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4967 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4968 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4970 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4972 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4973 (ANTIC_SAFE_LOADS): New macro.
4974 (find_or_generate_expression): Add prototype.
4975 (set_contains_value): Allow null set for sake of not always having
4976 to allocate ANTIC_SAFE_LOADS.
4977 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4978 Allow COMPONENT_REF too.
4979 (valid_in_set): Allow COMPONENT_REF.
4980 Check ANTIC_SAFE_LOADS too.
4981 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4982 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4984 (can_PRE_operation): Add COMPONENT_REF.
4985 (create_component_ref_by_pieces): New function.
4986 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4987 (insert_aux): Move AGGREGATE_TYPE_P check here.
4988 (compute_avail): Set bb local stmt uids.
4989 (pass_pre): Use TODO_update_ssa_only_virtuals.
4991 2006-02-06 Ben Elliston <bje@au.ibm.com>
4993 * configure.ac: Unconditionally disable decimal float by default.
4994 * configure: Regenerate.
4996 2006-02-06 Ben Elliston <bje@au.ibm.com>
4998 * read-rtl.c (read_name): Terminate reading on EOF.
5000 2006-02-06 Ben Elliston <bje@au.ibm.com>
5002 * dfp.c (decimal_real_arithmetic): Change second argument type
5003 from int to enum tree_code. Do not always return true, but now
5004 return result of any call to decimal_do helper functions.
5005 * dfp.h (decimal_real_arithmetic): Update prototype.
5007 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5009 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5011 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5014 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5017 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5019 * tree-vrp.c (cfg_loops): Removed.
5020 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5021 Use current_loops instead of cfg_loops. Pass flags to
5022 loop_optimizer_init.
5023 * cfgloopmanip.c (fix_loop_structure): Update only available
5025 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5026 loop_optimizer_init.
5027 * modulo-sched.c (build_loops_structure): Removed.
5028 (sms_schedule): Use loop_optimizer_init.
5029 * loop-init.c (loop_optimizer_init): Use flags to determine
5030 which properties of loops to prepare.
5031 (rtl_loop_init): Pass flags to loop_optimizer_init.
5032 * tree-ssa-sink.c (execute_sink_code): Ditto.
5033 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5034 * tree-ssa-pre.c (init_pre): Ditto.
5035 * cfgloop.h (LOOPS_NORMAL): New.
5036 (loop_optimizer_init): Declaration changed.
5038 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5040 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5041 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5043 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5045 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5047 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5048 * pa/t-pa64: Delete quadlib.c rule.
5049 * pa/x-ada: Revert last change.
5050 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5052 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5054 PR rtl-optimization/26087
5055 * rtlanal.c (canonicalize_condition): Do not cross basic block
5058 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5061 * config/ia64/ia64.c: Include debug.h.
5062 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5063 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5064 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5065 (process_epilogue, process_set, process_for_unwind_directive):
5066 Output unwind info only if requested. Add CFA info if requested.
5067 Add new arguments as needed. Adjust callers.
5068 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5070 (DWARF2_FRAME_INFO): Define to zero.
5071 * config/ia64/unwind-ia64.c: Remove code that compensated for
5072 the CFA offset error fixed above.
5073 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5074 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5075 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5076 -funwind-tables and -fexceptions to enable frame info.
5077 (dwarf2out_frame_init): Define initial CFA even if
5078 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5079 DWARF2_UNWIND_INFO is nonzero, not just defined.
5080 (dwarf2out_frame_finish): Output non-EH call frame info only
5081 if DWARF2_FRAME_INFO is nonzero.
5082 (convert_cfa_to_loc_list,
5083 compute_frame_pointer_to_cfa_displacement): Define even if
5084 unwind info is not supported.
5085 (gen_subprogram_die): Use the above unconditionally. Remove
5086 legacy alternate code.
5087 * toplev.c (compile_file): Compile in call to
5088 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5089 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5091 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5092 Jakub Jelinek <jakub@redhat.com>
5094 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5095 IBM extended float format long double as "g" on powerpc*-linux.
5097 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5100 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5101 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5103 2006-02-03 Jason Merrill <jason@redhat.com>
5106 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5109 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5110 on the return slot if it's an NRV.
5112 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5114 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5115 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5116 rewrite_use): Do not handle USE_OUTER.
5117 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5118 add_iv_outer_candidates, may_replace_final_value,
5119 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5120 (find_interesting_uses_op): Functionality of
5121 find_interesting_uses_outer_or_nonlin moved here.
5122 (find_interesting_uses_outside): Use find_interesting_uses_op.
5124 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5127 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5129 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5130 Ulrich Weigand <uweigand@de.ibm.com>
5133 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5134 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5135 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5136 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5138 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5139 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5140 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5141 Define secondary reloads for TFmode moves.
5142 (constant_modes): Add TFmode.
5143 (NR_C_MODES): Set to 8.
5144 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5146 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5147 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5148 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5149 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5150 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5151 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5152 (FPR mode macro): Add TFmode.
5153 (DSF mode macro): New.
5154 (<de>, <dee> mode attributes): Removed.
5155 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5156 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5157 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5158 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5159 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5160 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5161 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5162 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5163 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5164 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5165 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5166 "*negabs<mode>2", "sqrt<mode>2"):
5167 Changed <de> to <xde>. R constraint replaced by <Rf>.
5168 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5170 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5171 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5172 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5174 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5175 "extenddftf2", "extendsftf2"): New expanders.
5176 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5177 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5178 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5179 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5181 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5182 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5183 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5184 __floatditf): Add a GCC_4.1.0 symbol version tag.
5185 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5188 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5191 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5192 Use targetm.binds_local_p instead of TREE_PUBLIC.
5194 2006-02-02 Roger Sayle <roger@eyesopen.com>
5196 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5197 on INTEGER_TYPEs to indicate that it denotes a character type.
5198 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5199 signed_char_type_node, unsigned_char_type_node and char_type_node.
5200 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5201 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5202 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5204 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5205 Daniel Berlin <dberlin@dberlin.org>
5207 * tree-tailcall.c (arg_needs_copy_p): New function.
5208 (eliminate_tail_call): Use arg_needs_copy_p.
5209 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5210 (add_virtual_phis): New function.
5212 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5214 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5215 #ignore instead of #scratch for %g7 .register directive.
5217 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5219 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5222 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5224 * flow.c (calculate_global_regs_live): Assert that there aren't any
5227 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5229 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5231 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5232 bsi_after_labels iterator.
5233 * tree-if-conv.c (find_phi_replacement_condition,
5234 replace_phi_with_cond_modify_expr): Likewise.
5235 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5236 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5238 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5240 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5242 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5245 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5246 array after growing it.
5248 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5251 * fold-const.c (fold_checksum_tree): Change type of buf.
5253 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5255 * reload.c (push_secondary_reload): Initialize t_icode.
5257 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5259 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5260 -msoft-float -mlong-double-128 only issue a warning, but don't
5261 swich to DFmode long double.
5263 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5265 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5266 has a constant equivalent, iterate over equivalents for arg0,
5267 calling simplify_relational_operation and if there's a result
5268 cheaper than X, apply fold_rtx and return the result.
5270 2006-02-01 Jan Hubicka <jh@suse.cz>
5272 * opts.c (no_unit_at_a_time_default): New global variable.
5273 (decode_options): Use it.
5274 * opts.h (no_unit_at_a_time_default): Declare.
5276 2006-02-01 Paul Brook <paul@codesourcery.com>
5278 * function.c (assign_parm_setup_reg): Use function argument promotion
5280 * expr.c (expand_expr_real_1): Use function argument promotion rules
5283 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5285 * gcc.c (process_command): Change j to 'unsigned int'.
5287 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5290 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5291 Use the corrected index for the character
5292 out of the string constant.
5294 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5296 * mode-switching.c (optimize_mode_switching): Fix size
5297 allocated for bb_info[n_entities].
5299 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5301 * gcc.c (main): Correct type that is allocated for
5302 explicit_link_files.
5304 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5306 * config/s390/s390.c (init_alignment_context): Set
5307 ALIAS_SET_MEMORY_BARRIER on the MEM.
5308 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5310 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5313 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5315 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5318 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5320 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5321 * regrename.c: Ditto.
5322 * tree-ssa-loop-im.c: Ditto.
5323 * tree-dump.c: Ditto.
5324 * tree-complex.c: Ditto.
5325 * genrecog.c: Ditto.
5326 * tree-ssa-threadupdate.c: Ditto.
5328 * java/class.c: Ditto.
5329 * java/jcf-parse.c: Ditto.
5330 * java/resource.c: Ditto.
5331 * java/except.c: Ditto.
5332 * java/jvspec.c: Ditto.
5333 * java/jcf-write.c: Ditto.
5334 * java/jcf-path.c: Ditto.
5335 * java/gjavah.c: Ditto.
5336 * java/zextract.c: Ditto.
5337 * java/jcf-io.c: Ditto.
5338 * java/jcf.h: Ditto.
5339 * java/buffer.c: Ditto.
5340 * java/lang.c: Ditto.
5341 * java/parse-scan.y: Ditto.
5342 * java/lex.c: Ditto.
5343 * java/lex.h: Ditto.
5344 * cfgloopmanip.c: Ditto.
5345 * postreload-gcse.c: Ditto.
5346 * tree-ssa-loop-manip.c: Ditto.
5347 * postreload.c: Ditto.
5348 * tree-ssa-loop-ch.c: Ditto.
5352 * diagnostic.c: Ditto.
5354 * genoutput.c: Ditto.
5356 * cfghooks.c: Ditto.
5357 * cfgloopanal.c: Ditto.
5358 * objc/objc-act.c: Ditto.
5360 * genextract.c: Ditto.
5361 * genautomata.c: Ditto.
5362 * pretty-print.c: Ditto.
5364 * cgraphunit.c: Ditto.
5367 * haifa-sched.c: Ditto.
5368 * dominance.c: Ditto.
5370 * tree-ssa-loop-ivopts.c: Ditto.
5372 * mode-switching.c: Ditto.
5373 * modulo-sched.c: Ditto.
5375 * ipa-pure-const.c: Ditto.
5377 * fix-header.c: Ditto.
5379 * tree-stdarg.c: Ditto.
5380 * ipa-utils.c: Ditto.
5381 * loop-init.c: Ditto.
5382 * ipa-inline.c: Ditto.
5385 * alloc-pool.c: Ditto.
5386 * dwarf2out.c: Ditto.
5388 * genattrtab.c: Ditto.
5389 * tree-ssa-loop-ivcanon.c: Ditto.
5393 * fortran/gfortranspec.c: Ditto.
5395 * local-alloc.c: Ditto.
5396 * langhooks.c: Ditto.
5397 * function.c: Ditto.
5398 * tree-vectorizer.c: Ditto.
5400 * ipa-type-escape.c: Ditto.
5402 * tree-if-conv.c: Ditto.
5405 * tree-data-ref.c: Ditto.
5406 * loop-unroll.c: Ditto.
5407 * treelang/treetree.c: Ditto.
5410 * ggc-common.c: Ditto.
5412 * coverage.c: Ditto.
5414 * tree-cfgcleanup.c: Ditto.
5415 * tree-ssa-pre.c: Ditto.
5416 * cfgcleanup.c: Ditto.
5417 * loop-invariant.c: Ditto.
5419 * ipa-prop.c: Ditto.
5420 * print-tree.c: Ditto.
5421 * conflict.c: Ditto.
5422 * ggc-page.c: Ditto.
5423 * sched-deps.c: Ditto.
5424 * regclass.c: Ditto.
5425 * tree-object-size.c: Ditto.
5427 * bb-reorder.c: Ditto.
5428 * resource.c: Ditto.
5429 * var-tracking.c: Ditto.
5431 * df-problems.c: Ditto.
5432 * reg-stack.c: Ditto.
5435 * sched-rgn.c: Ditto.
5436 * tree-ssa-structalias.c: Ditto.
5437 * tree-ssa-reassoc.c: Ditto.
5438 * config/darwin-c.c: Ditto.
5439 * config/darwin.c: Ditto.
5440 * config/arm/arm.c: Ditto.
5442 * collect2.c: Ditto.
5445 2006-01-31 Nicolas Pitre <nico@cam.org>
5447 * arm.md (smaxsi3): Make aware of smax_m1.
5450 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5452 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5454 2006-01-31 Richard Guenther <rguenther@suse.de>
5456 * doc/invoke.texi (-msselibm): Document.
5457 * target.h (expand_library_builtin): New target hook.
5458 * builtins.c (expand_builtin): Use expand_library_builtin.
5459 (default_expand_library_builtin): New function.
5460 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5461 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5462 (link_gcc_math_spec): Declare.
5463 (static_specs): Add link_gcc_math_spec.
5464 * expr.h (default_expand_library_builtin): Declare.
5465 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5466 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5467 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5468 * config/i386/i386.opt (msselibm): New target option.
5469 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5470 (ix86_init_sse_abi_builtins): New function.
5471 (ix86_expand_library_builtin): Likewise.
5472 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5473 (override_options): Handle error conditions wrt -msselibm.
5474 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5475 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5476 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5479 2006-01-31 Richard Guenther <rguenther@suse.de>
5480 Paolo Bonzini <bonzini@gnu.org>
5482 * doc/install.texi (--disable-libgcc-math): Document.
5484 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5486 * expr.h (expand_normal): new inline function.
5487 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5489 * dwarf2out.c: use it.
5494 * config/sparc/sparc.c: use it.
5495 * config/i386/i386.c: use it.
5496 * config/rs6000/rs6000.c: use it.
5497 * config/arm/arm.c: use it.
5498 * config/mips/mips.c: use it.
5499 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5501 2006-01-30 Roger Sayle <roger@eyesopen.com>
5503 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5504 argv to the appropriate type.
5506 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5508 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5511 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5514 * config/s390/s390.c (struct machine_function): New flag
5515 decomposed_literal_pool_addresses_ok_p.
5516 (s390_reorg): Set it before final stage of literal pool transforms.
5517 (s390_decompose_address): Only accept displacements of the form
5518 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5520 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5522 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5523 the comparison routine return.
5525 2006-01-30 Michael Matz <matz@suse.de>
5527 * global.c (find_reg): Only evict for global regs.
5528 Take n_refs into account and dump more info.
5530 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5533 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5534 (pragma_trap, pragma_nosave_low_regs): Likewise.
5535 (current_function_anonymous_args): Likewise.
5536 (sh_deferred_function_attributes): New variable.
5537 (sh_deferred_function_attributes_tail): Likewise.
5538 (print_operand): For '@', look up trap_exit attribute.
5539 (calc_live_regs): Look up trapa_handler attribute. For trapa
5540 handlers, save/restore fpscr, but don't do any other
5541 interrupt-specific saves.
5542 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5543 Fix check for partially saved registers to check for SHmedia.
5544 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5545 (sh_output_function_epilogue): Don't clear any of the removed
5547 (sh_insert_attributes): Don't check pragma_interrupt.
5548 Insert deferred attributes. Check that interrupt attribute is
5549 present for other attributes that require its presence.
5550 (sh_attribute_table): Add new attributes trapa_handler and
5552 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5553 Don't check for pragma_interrupt. Don't store argument.
5554 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5555 (sh_deferred_function_attributes): Declare.
5556 (sh_deferred_function_attributes_tail): Likewise.
5557 * sh.md (sp_switch_1): Add operand. Change generator caller.
5558 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5559 (*return_i): Don't use when trap_exit attribute is in effect.
5560 (*return_trapa): New insn pattern.
5562 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5563 setting c_target_objs and cxx_target_objs.
5564 * t-sh: Add rule for sh-c.o.
5566 2006-01-30 Richard Guenther <rguenther@suse.de>
5569 * gimplify.c (gimplify_target_expr): Handle easy cases
5570 without creating a temporary.
5572 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5574 * vec.h (safe_grow): Remove duplicated line.
5576 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5579 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5580 (expand_omp): ... here.
5581 (expand_omp_parallel): Only remove barriers for combined
5582 parallel+workshare constructs.
5584 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5588 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5589 * tree.c (build_qualified_type): Chain the new type to the original
5590 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5591 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5592 (build_pointer_type_for_mode): Only return unqualified types.
5593 (build_reference_type_for_mode): Likewise.
5595 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5597 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5598 * Makefile.in (CXX_COMPAT_WARN): Define.
5599 * configure: Regenerate.
5601 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5604 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5607 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5609 * toplev.c: Fix thinko.
5611 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5612 Marcin Dalecki <martin@dalecki.de>
5614 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5615 (push_srcloc): Use XNEW.
5616 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5618 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5620 * df-core.c (df_set_blocks): Deleted all variable.
5622 2006-01-28 Ian Lance Taylor <ian@airs.com>
5624 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5625 cgraph_output_pending_asms.
5627 2006-01-28 Zack Weinberg <zackw@panix.com>
5629 * c.opt: Add -W(no-)overlength-strings.
5630 * doc/invoke.texi: Document it.
5631 * c-opts.c (c_common_handle_option): -pedantic implies
5632 -Woverlength-strings, if not explicitly disabled already.
5633 (c_common_post_options): -Woverlength-strings defaults to off, and
5634 is always off for C++.
5635 * c-common.c (fix_string_type): Issue warning about strings longer
5636 than is portable only if warn_overlength_strings. Rearrange code
5637 a little for clarity.
5638 * configure.in: Check for -Wno-overlength-strings as well before
5639 enabling -pedantic in stage 1.
5640 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5641 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5643 * genconditions.c (write_header, write_one_condition)
5644 (write_conditions, write_writer): Consolidate very long strings
5645 that were broken up to fit in C89 portable limit. Don't use
5646 printf when fputs will do.
5648 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5650 * combine.c (simplify_comparison <AND>): Check
5651 TRULY_NOOP_TRUNCATION before start using a subreg.
5653 * config/mips/mips.md (*branch_zero<mode>,
5654 *branch_zero<mode>_inverted, *branch_equality<mode>,
5655 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5656 Remove mode check from comparisons.
5658 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5660 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5662 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5664 * expmed.c (const_mult_add_overflow_p): Remove.
5665 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5667 * recog.c (validate_replace_rtx_subexp): Remove.
5668 * recog.h: Remove the prototype for
5669 validate_replace_rtx_subexp.
5671 * integrate.h: Remove the prototype for
5672 copy_decl_for_inlining.
5673 * rtl.h: Remove the prototype for mark_constant_function.
5674 * tree-vectorizer.h: Remove the prototype for
5675 vect_strip_conversion.
5677 * modulo-sched.c (create_partial_schedule,
5678 free_partial_schedule, reset_partial_schedule): Make them
5681 * hooks.c (hook_bool_rtx_int_false): Remove.
5682 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5684 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5686 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5687 and -mlong-double-128 are incompatible.
5688 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5689 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5690 (TARGET_LIBGCC2_CFLAGS): Define.
5691 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5692 (TARGET_LIBGCC2_CFLAGS): Same.
5693 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5695 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5698 * c-typeck.c (build_binary_op): Perform implicit casts of
5699 operands before shortening them.
5701 * cfgloopmanip.c (split_loop_bb): Remove.
5702 * cfgloop.h: Remove the prototype for split_loop_bb.
5704 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5705 * cfgloop.h: Remove the prototype for
5706 flow_loop_outside_edge_p.
5708 * emit-rtl.c (init_virtual_regs): Make it static.
5709 * function.h: Remove the prototype for init_virtual_regs.
5711 * recog.c (peephole2_optimize): Make it static.
5712 * recog.h: Remove the prototype for peephole2_optimize.
5714 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5716 * df-scan.c (df_record_entry_block_defs): Check if
5717 INCOMING_RETURN_ADDR_RTX is defined.
5719 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5720 Kenneth Zadeck <zadeck@naturalbridge.com>
5722 PR rtl-optimization/24762
5723 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5724 * targhooks.c (hook_void_bitmap): New hook prototype.
5725 * targhoohs.h (hook_void_bitmap): Ditto.
5726 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5727 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5728 * target.h (live_on_entry): New function pointer.
5729 * df-scan.c (df_all_hard_regs): Removed.
5730 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5731 (df_scan_free_internal): Added df->entry_block_defs.
5732 (df_scan_alloc): Ditto.
5733 (df_scan_dump): Ditto.
5734 (df_uses_record): Plumbed flag field properly thru calls.
5735 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5736 This part fixes PR24762.
5737 (df_bb_refs_record): Added code to make the frame and arg
5738 pointers live in EH blocks.
5739 (df_refs_record): Added call to df_record_entry_block_defs.
5740 (df_record_entry_block_defs): New function.
5741 * df-core.c: Added comments to describe new artifical defs.
5742 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5743 (entry_block_defs): New field in struct df.
5744 (df_all_hard_regs): Deleted.
5745 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5746 * df-problems.c (df_ru_bb_local_compute_process_def):
5747 Added code to handle artifical defs in the entry to a function.
5748 (df_ru_bb_local_compute): Ditto.
5749 (df_rd_bb_local_compute_process_def): Ditto.
5750 (df_rd_bb_local_compute): Ditto.
5751 (df_lr_bb_local_compute): Ditto.
5752 (df_ur_bb_local_compute): Ditto.
5753 (df_urec_bb_local_compute): Ditto.
5754 (df_chain_create_bb): Ditto.
5755 (df_ur_local_finalize): Removed entry.
5756 (df_urec_init): Ditto.
5757 (df_urec_local_finalize): Ditto.
5758 (df_ri_bb_compute): Added detection of last use of pseudos.
5759 * Makefile.in (df-scan.o): Updated dependencies.
5760 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5761 * config/mips/mips.c (mips_set_live_on_entry): Added.
5762 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5764 * dce.c (marked_insn_p): Added code to handle artifical defs.
5766 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5768 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5770 (_mm_cvtsi128_si64): Likewise.
5771 (_mm_cvtsd_si64): Likewise.
5772 (_mm_cvttsd_si64): Likewise.
5773 (_mm_cvtsi64_sd): Likewise.
5774 (_mm_cvtsi64_si128): Likewise.
5775 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5776 (_mm_cvtsi64_m64): Likewise.
5777 (_m_to_int64): Likewise.
5778 (_mm_cvtm64_si64): Likewise.
5779 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5780 (_mm_cvttss_si64): Likewise.
5781 (_mm_cvtsi64_ss): Likewise.
5782 (_mm_cvtss_f32): Likewise.
5784 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5786 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5787 for pragma redefine_extname.
5789 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5792 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5793 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5794 -mno-minimal-toc to previous content.
5795 (bispecs): Remove goal.
5796 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5797 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5798 compatibility aliases on powerpc-*-*gnu*.
5799 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5800 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5801 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5802 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5803 (ldblspecs): New goal.
5804 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5805 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5807 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5808 L_sf_to_tf or L_df_to_tf is defined.
5810 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5811 Alan Modra <amodra@bigpond.net.au>
5814 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5815 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5816 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5817 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5818 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5819 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5820 (rs6000_override_options): Initialize rs6000_ieeequad.
5821 Initialize TFmode format to ibm_extended_format if not
5823 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5825 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5826 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5827 (function_arg_advance): IBM long double passed in two FPRs, not
5829 (function_arg): IBM long double passed in FPRs.
5830 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5831 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5832 Only multireg GPR aligned.
5833 (rs6000_init_libfuncs): Enable IBM long double functions if not
5835 (rs6000_generate_compare): Use IBM long double compare if not
5837 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5838 (TARGET_IEEEQUAD): Define.
5839 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5840 not TARGET_IEEEQUAD.
5841 * config/rs6000/rs6000.md: Enable TFmode patterns if
5843 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5844 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5845 and -mlong-double-128 are incompatible.
5846 * doc/invoke.texi (-mabi): Collect options together. Add
5847 ibmlongdouble and ieeelongdouble.
5849 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5851 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5853 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5854 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5855 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5856 * rtl.h (rtunion_def): Remove rt_ptr.
5858 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5859 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5860 * config/i386/winnt.c (i386_pe_mark_dllexport)
5861 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5863 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5865 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5867 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5871 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5872 pthread_key_delete. From John David Anglin. gthrw-ify
5873 pthread_getunique_np only if it it's not a macro. Delete
5875 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5876 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5877 __gthread_objc_condition_signal, __gthread_key_delete): Add
5878 "__attribute__ ((__unused__))" to unused arguments.
5879 (__gthread_recursive_mutex_init_function): Add missing return.
5880 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5881 gthr-posix95.h: Use macro-based approach for name redirection
5882 on targets missing weakref.
5884 2006-01-26 Zack Weinberg <zackw@panix.com>
5886 * genconditions.c (write_header): In generated code, #ifdef out
5887 all includes and fake declarations, except includes of bconfig.h
5888 and system.h, unless GCC_VERSION >= 3001. Do not include
5889 gensupport.h in any case.
5890 (write_conditions): Generate a definition of struct c_test. Add
5891 a comment to the generated #endif.
5892 (write_one_condition): Escape backslashes in string too.
5893 (write_writer): Generated code must escape backslashes and quote
5894 marks (but not newlines) in the strings it writes.
5895 * Makefile.in (build/gencondmd.o): Update dependencies.
5897 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5900 * Makefile.in (insn-automata.o): Add header file dependencies.
5901 * genautomata.c: Add includes.
5903 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5906 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5908 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5910 * configure.ac: Expect target tools paths to be passed from the toplevel
5911 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5913 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5915 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5918 * c.opt (Wpointer-sign): Init to -1.
5919 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5920 OPT_pedantic, to 0 otherwise.
5921 * doc/invoke.texi: Update.
5923 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5925 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5926 constants provided by 80387 instructions in the destination mode.
5928 2006-01-26 Richard Guenther <rguenther@suse.de>
5929 Andrew Pinski <pinskia@physics.uc.edu>
5932 partial PR tree-opt/17064
5933 * tree-ssa-structalias.c (intra_create_variable_infos):
5934 Create heap variables for incoming parameters if
5935 flag_argument_noalias > 1.
5936 (find_what_p_points_to): Look through default defs of
5939 2006-01-26 Jeff Law <law@redhat.com>
5942 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5943 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5944 within the VR_RANGE, use the VR_RANGE as the result, not the
5946 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5947 bounds for the type.
5949 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5951 * tree-ssa-alias.c (maybe_create_global_var): Change
5952 subvar walking to an assertion that we don't have subvar'd variables.
5954 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5957 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5958 Use a new variable, inner. PARM_DECLs are always non-weak.
5960 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5962 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5965 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5967 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5969 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5971 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5972 (smax_insn, smin_insn, smax_0, smin_0): New.
5974 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5977 * config/cris/cris.c (cris_order_for_addsi3): New function.
5978 * config/cris/cris-protos.h: Prototype it.
5979 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5980 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5981 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5982 (split for "op.S1 [rx=rx+i],ry (swapped)")
5983 (split for "op(s|u).S1 [rx=rx+i],ry")
5984 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5985 Apply cris_order_for_addsi3 when generating addsi3 insns.
5987 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5989 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5990 (TREE_BLOCK): Add call to EXPR_CHECK.
5992 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5995 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5996 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5997 (dump_omp_clauses): ... here.
5998 (dump_generic_node): Handle OMP_CLAUSE.
5999 * tree.c (omp_clause_num_ops): New.
6000 (omp_clause_code_name): New.
6001 (tree_code_size): Handle OMP_CLAUSE.
6002 (tree_size): Likewise.
6003 (make_node): Document handling of OMP_CLAUSE.
6004 (tree_node_structure): Handle OMP_CLAUSE.
6005 (omp_clause_check_failed): New.
6006 (omp_clause_range_check_failed): New.
6007 (omp_clause_operand_check_failed): New.
6008 (build_omp_clause): New.
6009 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6010 * tree.h (enum omp_clause_code): Declare.
6011 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6012 (OMP_CLAUSE_RANGE_CHECK): Define.
6013 (OMP_CLAUSE_ELT_CHECK): Define.
6014 (omp_clause_check_failed): Declare.
6015 (omp_clause_operand_check_failed): Declare.
6016 (omp_clause_range_check_failed): Declare.
6017 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6018 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6019 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6020 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6021 (OMP_CLAUSE_IF_EXPR): Likewise.
6022 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6023 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6024 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6025 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6026 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6027 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6028 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6029 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6030 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6031 (OMP_CLAUSE_CODE): Define.
6032 (OMP_CLAUSE_SET_CODE): Define.
6033 (OMP_CLAUSE_CODE): Define.
6034 (OMP_CLAUSE_OPERAND): Define.
6035 (struct tree_omp_clause): Declare.
6036 (union tree_node): Add field 'omp_clause'.
6037 * treestruct.def (TS_OMP_CLAUSE): Define.
6038 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6039 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6040 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6041 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6042 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6043 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6044 (OMP_CLAUSE): Define.
6045 * print-tree.c (print_node): Handle OMP_CLAUSE.
6046 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6047 * c-typeck.c: Likewise.
6048 * gimplify.c: Likewise.
6049 * c-omp.c: Likewise.
6050 * tree-nested.c: Likewise.
6051 * tree-inline.c: Likewise.
6052 * c-parser.c: Likewise.
6053 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6056 2006-01-25 Roger Sayle <roger@eyesopen.com>
6058 PR rtl-optimization/25703
6059 * combine.c (try_combine): Handle zero_extract and strict_low_part
6060 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6062 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6064 * global.c: Fix comment typos.
6066 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6069 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6070 Use output_addr_const instead of assemble_name.
6072 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6074 * Makefile.in (sched-vis.o): Update dependencies.
6075 * haifa-sched.c (sched_finish): Clear current_sched_info.
6076 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6077 (dump_flow_info): Call it.
6078 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6080 * basic-block.h (dump_bb_info): Declare.
6081 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6082 option, and apply options only for dump files whose TDF_RTL,
6083 TDF_TREE, or TDF_IPA bits match.
6084 * rtl.h: Declare new functions exported from sched-vis.c.
6085 * sched-vis.c: Enable also if scheduling is not used.
6086 (print_value): Print the mode of registers if not inside scheduling.
6087 (print_insn): Make it work outside the scheduler. Beautify the output
6089 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6091 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6093 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6094 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6095 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6096 depending on the value of CONSTANT_POOL_ADDRESS_P.
6097 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6099 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6100 rather than SYMBOL_REF_DECL.
6101 (rtx_constant_pool): Remove const_rtx_sym_htab.
6102 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6103 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6104 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6105 Remove handling of const_rtx_sym_htab.
6106 (find_pool_constant): Delete.
6107 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6108 rather than find_pool_constant.
6109 (get_pool_constant_for_function): Delete.
6110 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6112 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6113 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6114 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6115 (SYMBOL_REF_CONSTANT): New macro.
6116 (get_pool_constant_for_function): Delete.
6117 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6118 rather than SYMBOL_REF_DECL.
6119 (i386_pe_mark_dllimport): Likewise.
6120 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6121 rather than SYMBOL_REF_DECL.
6122 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6123 (machopic_indirect_call_target): Likewise.
6125 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6127 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6129 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6131 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6133 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6135 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6137 2006-01-24 David Daney <ddaney@avtrex.com>
6140 * configure.ac (enable_tls): New enable option.
6141 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6142 * configure: Regenerate.
6143 * doc/install.texi (--enable-tls): Document new option.
6144 (--disable-tls): Ditto.
6146 2006-01-24 Richard Henderson <rth@redehat.com>
6148 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6149 * alias.c (true_dependence): Respect it.
6150 (canon_true_dependence, write_dependence_p): Likewise.
6151 * builtins.c (get_builtin_sync_mem): Set it.
6153 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6155 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6158 2006-01-24 DJ Delorie <dj@redhat.com>
6160 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6161 for storing constants in single-bit bitfields.
6163 2006-01-25 Ben Elliston <bje@au.ibm.com>
6165 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6167 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6170 * tree-ssa-pre.c (phi_translate): Return NULL
6171 for AGGREGATE_TYPE's.
6173 2006-01-24 Zack Weinberg <zackw@panix.com>
6175 * genautomata.c (process_state_for_insn_equiv_partition):
6176 Use xcalloc for insn_arcs_array.
6177 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6178 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6180 2006-01-24 Richard Henderson <rth@redhat.com>
6182 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6185 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6187 PR rtl-optimization/25890
6188 PR rtl-optimization/25905
6189 * combine.c (expand_compound_operation, expand_field_assignment):
6190 Fail if the bitfield's final position is out of bounds.
6192 2006-01-24 Ian Lance Taylor <ian@airs.com>
6195 * cgraphunit.c (cgraph_output_in_order): Don't clear
6196 cgraph_asm_nodes until after asm strings have been output.
6198 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6200 * fix-header.c (read_scan_file): Add new parameter imultilib when
6201 calling register_include_chains.
6203 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6205 * omp-low.c: Update documentation.
6207 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6208 Daniel Berlin <dberlin@dberlin.org>
6212 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6213 return from the function.
6215 2006-01-22 Zack Weinberg <zackw@panix.com>
6217 * rtl.def (match_code): Add second argument.
6218 * genpreds.c (write_extract_subexp): New function.
6219 (write_match_code): Add path argument. Use write_extract_subexp.
6220 (write_predicate_expr): Pass path to write_match_code.
6221 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6222 not perform a mode test.
6223 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6224 a subexpression does not constrain the top-level code set.
6225 * read-rtl.c (read_rtx_variadic): New function.
6226 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6227 * doc/md.texi: Document new notation.
6228 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6229 (cmpsi_operand): ... here, using new notation.
6231 2006-01-22 Zack Weinberg <zackw@panix.com>
6233 * varray.c: Remove GENERATOR_FILE #ifdefs.
6235 2006-01-22 Zack Weinberg <zackw@panix.com>
6237 * genautomata.c (output_reserved_units_table): Emit nothing if
6238 description->query_units_num is zero. Remove extra blank line.
6239 (output_cpu_unit_reservation_p): Short circuit
6240 if description->query_units_num is zero.
6242 2006-01-22 Zack Weinberg <zackw@panix.com>
6244 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6245 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6246 nor any of the random handful of variables that used to be necessary
6247 when this program was linked with rtlanal.o. Prune set of forward
6248 function declarations.
6249 (struct attr_desc): Remove static_p field.
6250 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6251 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6252 (attr_string): Do not read the character one past the length of
6254 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6255 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6256 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6257 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6258 (make_automaton_attrs): New.
6259 (main): Do not call into genautomata. Call local gen_bypass
6260 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6261 Remove special case for insn_alts.
6262 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6263 varray.h (leftover from previous change). Prune set of forward
6264 function declarations. Remove state_alts fields from all
6265 structures. Remove state_alts_table from struct automaton.
6266 Make everything except main static. Do not maintain num_dfa_decls.
6267 Do not maintain state_alts fields of various structures.
6268 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6269 (add_arc): Remove state_alts argument. All callers updated.
6270 (output_reserved_units_table): Emit #ifdef here...
6271 (output_tables): ...not here. Don't generate state_alts tables.
6272 (expand_automata): Don't generate attributes.
6273 (write_automata): Don't generate state_alts functions.
6274 (main): New function.
6275 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6276 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6277 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6278 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6279 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6280 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6281 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6282 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6284 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6285 * genattrtab.h: Delete file.
6286 * Makefile.in (OBJS-common): Add insn-automata.o.
6287 (insn-automata.o): New rule.
6288 (simple_generated_c): Add insn-automata.c.
6289 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6290 (genprogmd): Add automata.
6291 (build/genattrtab): Needs no extra objects nor libraries.
6292 (build/genautomata): Needs build/vec.o and -lm.
6294 2006-01-22 Zack Weinberg <zackw@panix.com>
6296 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6297 (output_dfa_max_issue_rate, locked_states_num): Delete.
6298 (struct automaton): Add locked_states field.
6299 (output_dead_lock_vect): Save number of locked states in
6300 automaton->locked_states. If it is zero, don't print anything.
6301 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6302 (output_internal_dead_lock_func): Only test the dead_lock_vect
6303 for automata that have locked states.
6304 (output_statistics): Always print the number of locked states for
6305 each automaton. Calculate total number of locked states here.
6306 (write_automata): Don't call output_dfa_max_issue_rate.
6307 * genattrtab.c: Define length_unit_log as a const variable.
6308 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6309 max_insn_queue_index const.
6310 * final.c (length_unit_log): Declare const.
6311 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6313 2006-01-22 Zack Weinberg <zackw@panix.com>
6315 * genautomata.c: Include vec.h, not varray.h.
6316 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6317 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6318 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6319 VEC_* macros operating on appropriately typed vectors, or to
6320 malloced arrays when the size is known in advance. Const-ify
6321 many char* variables and function arguments. No functional changes.
6322 * Makefile.in (build/varray.o): Delete rule.
6323 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6324 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6326 2006-01-22 Zack Weinberg <zackw@panix.com>
6328 * gensupport.c: Define get_insn_name and record_insn_name here.
6329 (read_md_rtx): Call record_insn_name as appropriate.
6330 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6331 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6332 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6334 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6335 (BUILD_VARRAY): Delete.
6336 (genprognormal): Rename genprogmd. Fold in all programs from
6337 genprognoprint; also attrtab.
6338 (build/genattrtab): Just mention genautomata.o and varray.o.
6339 Reorganize a bit, add comments to make the categories clearer.
6341 2006-01-22 Zack Weinberg <zackw@panix.com>
6343 * genconditions.c (condition_table, add_condition): Delete.
6344 (write_conditions): Don't emit n_insn_conditions nor
6345 insn_elision_unavailable. Issue the gcc version #ifdef here,
6346 inside the table, with no #else clause ...
6347 (write_header): ...not here.
6348 (write_writer): New function.
6349 (main): Don't initialize condition_table. Use add_c_test.
6351 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6352 files on the command line.
6353 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6354 Return -1 if there is no entry in the table, don't abort.
6355 (add_c_test, traverse_c_tests): New functions.
6356 * gensupport.h (insn_elision_unavailable, insn_conditions)
6357 (n_insn_conditions): Delete declarations.
6358 (add_c_test, traverse_c_tests): Declare.
6359 * read-rtl.c: Include gensupport.h.
6360 (read_conditions): New function.
6361 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6362 (read_rtx_1): If we get EOF when we were looking for an initial
6363 open paren, return 0. Call read_conditions when appropriate.
6364 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6365 dummy-conditions.o. Eliminate references to insn-conditions.o,
6366 or change them to build/gencondmd.o, as appropriate. Remove
6367 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6368 from $(simple_generated_c). For all files remaining in those
6369 two lists, add insn-conditions.md to the generator command line.
6370 Give insn-constants.h/s-constants their own rules. Add rules
6371 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6372 (build/read-rtl.o): Depend on gensupport.h.
6373 (genprognormal): Include preds.
6374 (genprogearly): Rename genprognoprint; only difference is now that
6375 they don't link with $(BUILD_PRINT).
6376 * dummy-conditions.c: Delete.
6378 2006-01-22 Zack Weinberg <zackw@panix.com>
6380 * genextract.c: Don't include insn-config.h. Do include vec.h.
6381 Declare vectors of int, char, and locstr.
6382 (locstr): New typedef.
6383 (struct extraction): Make all array fields into bare pointers.
6384 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6385 (insn_code_number): Delete.
6386 (accum_extract): New struct.
6387 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6388 (gen_insn): Take insn_code_number as an argument. Use an
6389 accum_extract structure instead of loading data directly into
6390 a struct extraction, and having to know how big it might get.
6391 (walk_rtx): Operate entirely on an accum_extract structure.
6392 (print_path): Avoid unnecessary use of printf.
6393 (print_header): New function, split out of main. Distinguish
6394 more carefully between an unrecognizable insn and an insn that
6395 has the code number of a define_expand.
6396 (main): Pass insn_code_number to gen_insn. Call print_header
6397 only after parsing. Avoid unnecessary use of printf.
6398 * Makefile.in (build/vec.o): New rule.
6399 (build/genextract): Depend on build/vec.o.
6400 (build/genextract.o): Don't depend on insn-config.h.
6402 2006-01-22 Zack Weinberg <zackw@panix.com>
6404 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6405 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6406 practical. Eliminate per-generator-program link rules.
6408 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6411 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6412 with a call expr to ...
6413 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6415 2006-01-23 Richard Guenther <rguenther@suse.de>
6417 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6418 before make_edge with conditional EDGE_TRUE_VALUE.
6420 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6421 Jan Hubicka <jh@suse.cz>
6422 Richard Guenther <rguenther@suse.de>
6424 PR rtl-optimization/25654
6425 * cfgexpand.c (aggregate_contains_union_type): New function.
6426 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6427 for structure variables that contain a union type.
6429 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6431 * gengtype.c (new_structure): Return the structure.
6432 (create_option): Add an extra "next" argument.
6433 (create_field): New function.
6434 (adjust_field_rtx_def): Use create_option and create_field.
6435 Remove a now-unnecessary call to find_structure.
6436 (adjust_field_tree_def): Likewise.
6437 (note_yacc_type): Remove an unnecessary call to find_structure.
6438 * gengtype.h (new_structure): Return the structure.
6439 (create_option): Add an extra argument.
6440 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6441 (option): Adjust calls to create_option.
6443 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6445 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6447 2006-01-22 Paul Brook <paul@codesourcery.com>
6448 Peter Barada <peter@the-baradas.com>
6450 * config/m68k/m68k.md: Add Coldfire FPU support.
6451 Define FP mode macro and associated attributes.
6452 Use it for float mode patterns.
6453 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6454 (LIBCALL_VALUE): Use m68k_libcall_value.
6455 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6456 (m68k_function_value): Ditto.
6457 (emit_move_sequence): Ditto.
6458 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6459 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6460 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6461 (MULTILIB_EXCEPTIONS): Ditto.
6462 * config/m68k/m68k.opt: Add mcfv4e.
6463 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6464 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6465 (m68k_output_function_prologue): Save ColdFire FPU registers.
6466 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6467 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6468 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6469 ColdFire FPU registers.
6470 (m68k_libcall_value, m68k_function_value): New functions.
6471 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6472 (LIBCALL_VALUE): Use m68k_libcall_value.
6473 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6474 (MASK_COLDFIRE): Add MASK_CFV4E.
6475 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6476 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6477 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6478 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6479 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6480 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6481 * doc/invoke.tex: Document -mcfv4e on m68k.
6483 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6485 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6488 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6491 * c-opts.c (c_common_handle_option): Don't include
6492 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6493 * doc/invoke.texi (C++ Dialect Options): Document that
6494 -Wnon-virtual-dtor is no longer included in -Wall.
6496 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6498 * gcov.c (print_version), gcov-dump.c (print_version),
6499 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6502 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6504 * df-scan.c (problem_SCAN): Added NULL reset function.
6505 (df_scan_reset_blocks): Added code to call reset block function
6506 (df_bb_refs_delete) Fixed comment.
6507 (df_insn_refs_delete): Made tolerant of deleting non existent info
6508 for dataflow problems that need to be reset.
6509 * df-core.c (df_set_blocks): Ditto.
6510 * df.h (struct df_problem): Added reset_fun.
6511 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6512 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6513 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6514 functions to clear out all references to def-use or use-def chains.
6516 2006-01-21 Ben Elliston <bje@au.ibm.com>
6518 * varasm.c (assemble_real): Initialise data array.
6520 2006-01-20 Paul Brook <paul@codesourcery.com>
6522 Merge from csl-arm-branch.
6523 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6524 * config/arm/arm.md (movdi): Force operands[1] to a register
6525 if we have a non-register source.
6526 (*arm_movdi, *movdf_soft_insn): Require that one of the
6527 operands be a register.
6528 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6529 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6531 2006-01-20 DJ Delorie <dj@redhat.com>
6533 * varasm.c (initialize_constant_valid_p): Allow pointers
6534 initialized from integer constants of lesser precision.
6535 (output_constant): Allow non-int-sized pointer modes to be
6536 initialized from integer constants.
6538 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6541 * cppdefault.h (struct default_include): Add multilib flag.
6542 * cppdefault.c (cpp_include_defaults): Set it.
6543 * c.opt (-imultilib): New option.
6544 * c-opts.c (imultilib): New.
6545 (c_common_handle_option): Handle -imultilib.
6546 (c_common_post_options): Likewise.
6547 * c-incpath.c (add_standard_paths, register_include_chains):
6549 * c-incpath.h (register_include_chains): Add extra parameter.
6550 * gcc.c (do_spec_1): Generate -imultilib option.
6551 (The Specs Language): Update %I description.
6552 (process_command): Update copyright notice.
6553 * doc/cppopts.texi (-imultilib): Document.
6554 * doc/invoke.texi (-imultilib): Include in option summary.
6555 (%I): Update specs documentation.
6557 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6559 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6561 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6563 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6566 2006-01-20 Richard Guenther <rguenther@suse.de>
6567 Steven Bosscher <stevenb.gcc@gmail.com>
6569 PR rtl-optimization/24626
6570 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6571 EDGE_TRUE_VALUE if in RTL mode.
6574 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6575 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6577 2006-01-20 Dirk Mueller <dmueller@suse.com>
6580 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6581 instead of a special NOP marker.
6582 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6583 NOP marker handling.
6584 * c-common.h (empty_body_warning): Add forward declaration.
6585 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6586 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6588 2006-01-20 Paul Brook <paul@codesourcery.com>
6590 * Makefile.in (lang_checks): Keep going if mkdir fails.
6592 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6594 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6595 be able to clean out basic block when not necessary.
6596 (df_scan_free): Fixed to properly delete information if df is
6597 unused before calling df_finish.
6598 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6599 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6601 (df_bb_refs_delete): New function.
6602 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6603 * df-core.c (df_set_blocks): Added code to properly clean out
6604 unused blocks if they are not part of the blocks to consider.
6605 Added additional null check.
6606 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6607 be able to clean out basic block when not necessary
6608 * df.h (df_free_bb_function): Ditto.
6609 (df_bb_refs_delete): New function.
6610 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6611 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6612 basic block parameter to be able to clean out basic block when not
6614 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6615 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6616 Fixed to properly delete information if df is unused before
6619 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6621 PR rtl-optimization/25799
6622 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6623 Corrected confluence operator to remove bits from op2 before oring
6624 with op1 rather than removing bits from op1.
6625 (df_ru_transfer_function): Corrected test on wrong bitmap which
6626 caused infinite loop. Both of these problems were introduced in
6627 the dataflow rewrite.
6629 2006-01-19 DJ Delorie <dj@redhat.com>
6631 * reload1.c (find_reload_regs): Note the details of reload
6632 failures in the dump file.
6633 (spill_failure): Likewise.
6635 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6637 * loop-iv.c: Include df.h and hashtab.h.
6638 (enum iv_grd_result): New enum.
6639 (DF_REF_IV, DF_REF_IV_SET): New macros.
6640 (struct biv_entry): New.
6641 (df, bivs): New global variables.
6642 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6643 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6645 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6646 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6647 analyzed_for_bivness_p, record_biv): New functions.
6648 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6649 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6650 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6652 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6654 (iv_number_of_iterations): Use new interface to iv analysis.
6655 * loop-unroll.c: Do not include varray.h.
6656 (analyze_iv_to_split_insn): Use new interface to iv
6658 * loop-unswitch.c (may_unswitch_on): Ditto.
6659 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6661 (df_bb_modify): Realloc tables to the new index.
6662 (df_find_use): New function.
6663 * df.h (df_find_use): Declare.
6664 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6666 * cfgloop.h (struct rtx_iv): Remove analysed field.
6667 (iv_get_reaching_def): Removed.
6668 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6669 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6670 (loop-iv.o): Add df.h and hashtab.h dependency.
6671 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6673 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6676 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6678 (__floatundisf, __floatundidf): Likewise.
6679 * libgcc2.h (IS_IBM_EXTENDED): Define.
6681 2006-01-19 DJ Delorie <dj@redhat.com>
6683 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6685 2006-01-19 Paul Brook <paul@codesourcery.com>
6687 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6688 as nothrow when unwinding tables are disabled.
6690 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6693 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6694 of bit-field" when in system header.
6696 2006-01-19 DJ Delorie <dj@redhat.com>
6698 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6699 the 16 bit shift limit of the m16c.
6701 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6704 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6705 * config/i386/i386.c (output_set_got): Output the label if we have one
6706 for the TARGET_DEEP_BRANCH_PREDICTION case.
6708 2006-01-19 Jan Hubicka <jh@suse.cz>
6709 H.J. Lu <hongjiu.lu@intel.com>
6710 Evandro Menezes <evandro.menezes@amd.com>
6712 * invoke.texi (generic): Document
6714 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6715 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6716 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6717 (x86_use_incdec, x86_pad_returns): New variables
6718 (TARGET_CPU_DEFAULT_generic): New constant
6719 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6720 (enum processor_type): Add generic32 and generic64.
6721 * i386.md (cpu attribute): Add generic32/generic64
6722 (movhi splitter): Behave sanely when both partial_reg_dependency and
6723 partial_reg_stall are set.
6724 (K8 splitters): Enable for generic as well.
6725 * predicates.md (incdec_operand): Use TARGET_INCDEC
6726 (aligned_operand): Avoid memory mismatch stalls.
6727 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6728 * ppro.md: Enable for generic32
6729 * i386.c (generic64_cost, generic32_cost): New.
6730 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6731 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6732 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6733 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6734 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6735 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6736 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6737 x86_accumulate_outgoing_args, x86_prologue_using_move,
6738 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6739 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6741 (x86_use_incdec, x86_pad_returns): New.
6742 (override_options): Add generic32 and generic64, translate "generic"
6743 to generic32/generic64 and "i686" to "generic32", refuse
6744 "generic32"/"generic64" as arch target.
6745 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6746 (ix86_reorg): Honor PAD_RETURNS.
6748 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6750 * tree-pretty-print.c (dump_generic_node): Handle
6751 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6752 * cgraph.c (cgraph_expand_queue): Rename from
6753 cgraph_analyze_queue. Update all users.
6754 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6755 cgraph_expand_queue.
6756 (cgraph_expand_all_functions): Likewise.
6757 (cgraph_finalize_pending_functions): Remove. Update callers.
6759 * tree.h (OMP_DIRECTIVE_P): Define.
6760 (OMP_PARALLEL_FN): Define.
6761 (OMP_PARALLEL_DATA_ARG): Define.
6762 (OMP_SECTIONS_SECTIONS): Define.
6763 * tree-pass.h (pass_expand_omp): Declare.
6764 * omp-low.c (struct omp_region): Declare.
6765 (struct omp_context): Remove fields 'parallel_type',
6766 'parallel_start_ix' and 'parallel_start_additional_args'.
6768 (struct omp_for_data): Rename from struct expand_omp_for_data.
6769 (omp_regions): New static variable.
6770 (root_omp_region): New static variable.
6771 (find_omp_clause): Make static.
6772 (is_in_combined_parallel_ctx): Remove.
6773 (is_combined_parallel): New.
6774 (extract_omp_for_data): Move earlier in the file.
6775 (workshare_safe_to_combine_p): New.
6776 (get_ws_args_for): New.
6777 (determine_parallel_type): Move earlier in the file.
6778 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6780 (omp_copy_decl): Likewise.
6781 (create_omp_child_function): Likewise.
6782 (lookup_omp_region): New.
6783 (dump_omp_region): New.
6784 (debug_omp_region): New.
6785 (debug_all_omp_regions): New.
6786 (new_omp_region): New.
6787 (scan_omp_parallel): If parallel_nesting_level > 1, the
6788 directive is nested within another parallel directive.
6789 Set OMP_PARALLEL_FN.
6790 (scan_omp_for): Do not try to handle combined parallel+for
6792 Remove FIXME comment.
6793 (scan_omp_nested): Remove.
6794 (scan_omp_1): Do not call scan_omp_nested when
6795 parallel_nesting_level is > 1.
6796 Do not change the DECL_CONTEXT of local variables found.
6797 (lookup_decl_in_outer_ctx): New.
6798 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6799 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6800 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6801 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6802 If CTX is nested, lookup VAR in the outer context when
6803 building copy assignment.
6804 (lower_send_clauses): Rename from expand_send_clauses.
6805 If CTX is nested, lookup VAR in the outer context when
6806 building copy assignments.
6807 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6808 If CTX is nested, lookup VAR in the outer context when
6809 building copy assignments.
6810 (expand_parallel_call): Rename from build_parallel_call.
6811 Handle combined parallel+workshare cases.
6812 Re-implement to emit code into the CFG.
6814 (expand_omp_parallel): Re-implement to emit code into the CFG.
6815 Call move_sese_region_to_fn to outline the sub-graph
6816 containing the parallel region.
6817 (expand_omp_for_1): Remove.
6818 (expand_omp_for_generic): Re-implement to emit code into the
6820 (expand_omp_for_static_nochunk): Likewise.
6821 (expand_omp_for_static_chunk): Likewise.
6822 (expand_omp_for): Likewise.
6823 (expand_omp_sections): Likewise.
6824 (remove_exit_barriers): New.
6825 (expand_omp_synch): New.
6827 (build_omp_regions_1): New.
6828 (build_omp_regions): New.
6829 (execute_expand_omp): New.
6830 (gate_expand_omp): New.
6831 (pass_expand_omp): Define.
6832 (lower_omp_sections): Rename from expand_omp_sections.
6833 Set OMP_SECTIONS_SECTIONS.
6834 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6835 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6836 (lower_omp_single): Rename from expand_omp_simple.
6837 (lower_omp_master): Rename from expand_omp_master.
6838 (lower_omp_ordered): Rename from expand_omp_ordered.
6839 (lower_omp_critical): Rename from expand_omp_critical.
6840 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6841 (lower_omp_for): Re-implement.
6842 (lower_omp_parallel): Re-implement.
6843 (lower_regimplify): Rename from expand_regimplify.
6844 (lower_omp_1): Rename from expand_omp_1.
6845 If there are syntax errors in the program, replace every
6846 OpenMP directive with NOP.
6847 Call lower_omp_* instead of expand_omp_*.
6848 (lower_omp): Rename from expand_omp.
6850 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6851 * tree-gimple.h (enum omp_parallel_type): Remove.
6852 (gimple_boolify): Declare extern.
6853 (find_omp_clause, determine_parallel_type): Remove.
6855 * gimple-low.c (lower_omp_directive): New.
6856 (lower_stmt): Call it.
6857 (record_vars_into): Move from ...
6858 (record_vars): ... here.
6859 Call record_vars_into with current_function_decl.
6861 * gimplify.c (struct gimplify_ctx): Remove fields
6862 combined_pre_p and combined_ctxp. Update users.
6863 (get_formal_tmp_var): Add documentation.
6864 (gimple_boolify): Make extern.
6865 (gimplify_expr_in_ctx): Remove. Update callers.
6866 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6867 will always be a BIND_EXPR.
6868 (gimplify_expr): Handle OMP_RETURN_EXPR.
6869 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6870 (OMP_PARALLEL): Add 3 operands.
6871 (OMP_SECTIONS): Add 1 operand.
6872 (OMP_RETURN_EXPR): Define.
6874 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6875 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6876 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6877 creating a circular free list.
6878 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6880 * tree-flow.h (move_sese_region_to_fn): Declare.
6881 (record_vars_into): Declare.
6882 * tree-cfg.c (make_omp_sections_edges): New.
6883 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6884 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6885 OMP_SECTIONS and OMP_SECTION.
6886 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6887 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6888 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6889 (gather_blocks_in_sese_region): New.
6890 (struct move_stmt_d): Declare.
6892 (move_block_to_fn): New.
6893 (move_sese_region_to_fn): New.
6895 * passes.c (init_optimization_passes): Schedule
6896 pass_expand_omp after pass_init_datastructures.
6898 * tree-ssa-operands.c (get_expr_operands): Handle
6899 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6900 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6902 2006-01-19 Jeff Law <law@redhat.com>
6904 * tree-vrp.c (extract_range_from_assert): Refine the result range
6905 if the variable referenced by the ASSERT_EXPR has a range and
6906 either the tentative result range or the previous range is a
6909 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6911 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6913 2006-01-19 Jan Hubicka <jh@suse.cz>
6915 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6917 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6919 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6920 (expand_compound_operation, expand_field_assignment): Fail if the
6921 bit lengths of an extract operation are out of range.
6922 (make_extraction): Compute wanted_inner_mode based on the position
6923 and length of the extraction. Make it extraction_mode for non-constant
6924 positions, and do not modify offset in that case. When generating a
6925 new MEM, use a mode that can hold the extraction while keeping correct
6926 alignment. Remove code that supported MEMs wrapped by USEs.
6927 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6929 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6931 * config/s390/s390.md ("Y", "y"): New mode attribute.
6932 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6933 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6934 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6935 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6936 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6937 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6938 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6939 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6940 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6941 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6942 "addsi3", "subsi3"): Insn patterns removed.
6943 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6944 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6945 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6946 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6947 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6948 "*sub<mode>3_cconly2"): New insn patterns.
6949 ("addsi3", "subsi3"): New expanders.
6951 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6953 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6954 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6955 existing STMT_VINFO_VECTYPE if available.
6956 (vect_mark_relevant): Add special handling for stmts that are
6957 marked as STMT_VINFO_IN_PATTERN_P.
6958 (vect_analyze_loop): Call vect_pattern_recog.
6959 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6960 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6962 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6963 (vect_recog_func_ptr): New function-pointer type.
6964 * tree-vect-patterns.c: New file.
6965 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6966 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6967 (vect_pattern_recog_1): New functions.
6968 (vect_pattern_recog_funcs): New array of function pointers.
6970 * tree-vectorizer.h (ternary_op): New enum value.
6971 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6972 declaration. Revised documentation. Removed redundant dump prints.
6973 Removed redundant argument. Added support for reduction patterns.
6974 (vectorizable_reduction): Added support for reduction patterns.
6975 (vect_transform_stmt): Added support for patterns.
6977 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6978 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6979 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6980 (expand_widen_pattern_expr): New function.
6981 (init_optabs): Initialize new optabs udot_prod_optab,
6983 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6984 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6985 (expand_widen_pattern_expr): New function declaration.
6986 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6988 * tree-inline.c (estimate_num_insns_1): Added cases for new
6989 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6990 * tree-pretty-print.c (dump_generic_node): Likewise.
6991 (op_prio): Likewise.
6992 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6993 * tree-ssa-operands.c (get_expr_operands): Added case for
6995 * tree-vect-patterns.c (widened_name_p): New function.
6996 (vect_recog_dot_prod_pattern): Added function implementation.
6997 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6998 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6999 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7000 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7002 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7003 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7004 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7005 (init_optabs): Initialize new optabs widen_ssum_optab,
7007 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7008 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7009 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7010 use instead of type of def.
7011 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7012 function implementation.
7013 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7014 widen_ssumv8hi): New.
7016 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7019 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7022 * c-decl.c (add_flexible_array_elts_to_size): New function.
7023 (finish_decl): Use it.
7025 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7027 * diagnostic.h: Include options.h.
7028 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7029 dependancies for diagnostic.h.
7030 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7032 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7034 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7035 (ssa_ro_call_cache_valid): Ditto.
7036 * tree-ssa-alias.c (sort_tags_by_id): New function.
7037 (init_transitive_clobber_worklist): Ditto.
7038 (add_to_worklist): Ditto.
7039 (mark_aliases_call_clobbered): Ditto.
7040 (compute_tag_properties): Ditto.
7041 (set_initial_properties): Ditto.
7042 (compute_call_clobbered): Ditto.
7043 (compute_may_aliases): Call compute_call_clobbered and grouping.
7044 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7045 (compute_flow_insensitive_aliasing): Grouping now happens in our
7047 (setup_pointers_and_addressables): Remove clobbering related code.
7048 (add_may_alias): Ditto.
7049 (replace_may_alias): Ditto.
7050 (get_nmt_for): Ditto.
7051 (create_global_var):
7052 (is_escape_site): Return an escape_type enumeration.
7053 * tree-flow-inline.h (is_call_clobbered): Global var does not
7054 imply call clobbered.
7055 (mark_call_clobbered): Take a reason for marking this. Remove
7056 marking of globalness, and cache invalidation.
7057 (clear_call_clobbered): Remove cache invalidation code.
7058 * tree-dfa.c (dump_variable): If details is on, dump the reason
7060 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7062 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7063 (struct var_ann_d): Ditto.
7064 (enum escape_type): New.
7065 (mark_call_clobbered): Adjust prototype.
7066 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7067 are never call clobbered.
7068 Record reasons for escaping.
7069 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7070 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7071 (ssa_ro_call_cache_valid): Ditto.
7072 (clobbered_v_may_defs): Ditto.
7073 (clobbered_vuses): Ditto.
7074 (ro_call_vuses): Ditto.
7075 (clobber_stats): New.
7076 (init_ssa_operands): Zero out clobber stats.
7077 (fini_ssa_operands): Print out clobber stats.
7078 (get_call_expr_operands): Pass callee fndecl to
7080 (add_call_clobber_ops): Remove use of cache.
7081 Add use of PURE_CONST information.
7082 (add_call_read_ops): Remove use of cache.
7083 Add use of static not_read information.
7085 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7087 Introduce TLS descriptors for i386 and x86_64.
7088 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7089 (TARGET_ANY_GNU_TLS): New macro.
7090 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7091 (struct machine_function): Add tls_descriptor_call_expanded_p.
7092 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7093 (ix86_current_function_calls_tls_descriptor): Likewise.
7094 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7095 (override_options): Introduce gnu2 tls dialect.
7096 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7098 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7100 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7101 (ix86_init_machine_status): Initialize new field.
7102 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7103 (ix86_tls_module_base): New.
7104 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7105 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7106 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7107 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7108 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7109 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7110 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7111 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7112 * config/i386/predicates.md (tls_modbase_operand): New.
7113 (tp_or_register_operand): New.
7115 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7117 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7118 (look_for_address_of): Ditto.
7119 (ipa_init): Walk the function decls.
7120 (static_execute): Don't set readonly on FUNCTION_DECL's.
7122 2006-01-18 Roger Sayle <roger@eyesopen.com>
7124 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7125 for shifts where the source and destination registers are different.
7127 2006-01-18 Paul Brook <paul@codesourcery.com>
7129 Merge from csl-arm-branch.
7130 2005-03-14 Julian Brown <julian@codesourcery.com>
7131 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7132 (aeabi_llsl): Likewise.
7133 (ashrdi3): Likewise.
7134 (aeabi_lasr): Likewise.
7135 (lshrdi3): Likewise.
7136 (aeabi_llsr): Likewise.
7137 2005-03-10 Julian Brown <julian@codesourcery.com>
7138 * config.gcc: Disable shared libgcc for SymbianOS.
7139 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7141 2006-01-18 DJ Delorie <dj@redhat.com>
7143 * c-pragma.c (handle_pragma_diagnostic): New.
7144 (init_pragma): Register it.
7145 * doc/extend.texi: Document it.
7147 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7148 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7149 (diagnostic_context): Add classify_diagnostic[].
7150 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7151 as errors if they're overridden to DK_WARNING.
7152 (diagnostic_initialize): Initialize classify_diagnostic[].
7153 (diagnostic_set_kind_override): New.
7154 (diagnostic_report_diagnostic): Check for kind changes.
7155 * opts.c (common_handle_option): Take lang_mask. Update callers.
7157 * common.opt (Werror=): New.
7158 * doc/invoke.texi: Document -Werror=*
7160 2006-01-18 Jeff Law <law@redhat.com>
7162 * tree-vrp.c (test_for_singularity): Correct test for new
7163 min limit. Use operand_equal_p rather than pointer equality
7164 for testing if new min/max values are equal.
7166 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7167 using range information until after propagation and folding.
7169 2006-01-18 Richard Henderson <rth@redhat.com>
7170 Aldy Hernandez <aldyh@redhat.com>
7171 Jakub Jelinek <jakub@redhat.com>
7172 Diego Novillo <dnovillo@redhat.com>
7174 * omp-low.c: New file.
7175 * c-omp.c: New file.
7177 2006-01-18 Richard Henderson <rth@redhat.com>
7178 Jakub Jelinek <jakub@redhat.com>
7179 Diego Novillo <dnovillo@redhat.com>
7181 * doc/invoke.texi: Document -fopenmp.
7182 * tree-dump.h (debug_function): Declare.
7183 * hooks.c (hook_bool_tree_bool_false): New function.
7184 (hook_tree_tree_null): Remove.
7185 (hook_tree_tree_tree_null): New.
7186 * hooks.h: Update to match.
7187 * tree-pretty-print.c (debug_tree_chain): New.
7188 (print_generic_expr): Handle TDF_CHAIN.
7189 (dump_generic_node): Handle BLOCK.
7190 Do not abort with incomplete SWITCH_EXPRs.
7191 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7192 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7193 print space after directive name.
7194 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7195 Handle OMP_MASTER and OMP_ORDERED.
7196 Handle printing of OMP_BODY just in one place, goto
7197 dump_omp_body in the rest of OMP_* nodes that have
7199 Don't handle clause nodes here. Update omp statements to
7200 use dump_omp_clauses.
7201 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7202 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7203 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7204 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7205 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7206 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7207 Adjust output for GOMP_PARALLEL.
7208 (dump_omp_clauses): New.
7209 (print_declaration): Dump DECL_VALUE_EXPR.
7210 (op_symbol_1): Split out of op_symbol.
7211 (dumping_stmts): Remove. Update all users.
7212 * cgraph.c (cgraph_analyze_queue): New.
7213 (cgraph_add_new_function): New.
7214 * cgraph.h (cgraph_analyze_queue): Declare.
7215 (cgraph_add_new_function): Declare.
7216 (cgraph_lower_function): Remove.
7217 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7218 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7219 and TYPE_P nodes in its default clause.
7220 (empty_body_p): New.
7221 (tree_range_check_failed): New.
7223 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7224 OMP_CLAUSE_REDUCTION_MERGE,
7225 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7226 OMP_CLAUSE_PRIVATE_DEBUG,
7227 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7228 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7229 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7230 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7231 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7232 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7233 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7234 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7235 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7236 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7237 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7238 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7239 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7240 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7241 (TREE_RANGE_CHECK): New.
7242 (empty_body_p): Declare.
7243 (enum omp_clause_default_kind): New.
7244 (build_string_literal): Declare.
7245 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7246 (build5_stat, build5): Declare.
7247 * tree-pass.h (TDF_CHAIN): Define.
7248 * tree-pass.h (PROP_gimple_lomp): Define.
7249 (pass_lower_omp): Declare.
7250 * diagnostic.h (debug_tree_chain): Declare.
7251 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7253 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7254 * builtins.c (build_string_literal): Make extern.
7255 * gcc.c (include_spec_function): New.
7256 (static_spec_functions): Add it.
7257 (main): Move load of libgomp.spec ...
7258 (LINK_COMMAND_SPEC): ... here.
7259 (link_gomp_spec): New.
7260 (static_specs): Include it.
7261 (LINK_COMMAND_SPEC): Add link_gomp.
7262 (GOMP_SELF_SPECS): New.
7263 (driver_self_specs): Include it.
7264 (switch_matches): Don't mark inline.
7265 (main): Load libgomp.spec.
7266 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7267 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7268 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7269 * tree-gimple.h (enum omp_parallel): Declare.
7270 (determine_parallel_type): Declare.
7271 (omp_firstprivatize_variable): Declare.
7272 (omp_reduction_init): Declare.
7273 (diagnose_omp_structured_block_errors): Declare.
7274 (struct walk_stmt_info): Add want_return_expr.
7275 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7276 (find_omp_clause): Declare.
7277 (insert_field_into_struct): Declare.
7278 (struct walk_stmt_info): Move from tree-nested.c
7279 (walk_stmts): Declare.
7280 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7282 * cgraphunit.c (cgraph_lower_function): Make static.
7283 (cgraph_finalize_pending_functions): New.
7284 (cgraph_finalize_function): Call it.
7285 (cgraph_finalize_compilation_unit): Likewise.
7286 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7287 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7288 (BT_FN_UINT_UINT): New.
7289 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7290 DEF_FUNCTION_TYPE_VAR_4): Document.
7291 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7292 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7293 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7294 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7295 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7296 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7297 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7298 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7299 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7300 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7301 into separate files.
7302 (DEF_GOMP_BUILTIN): New.
7303 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7304 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7305 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7306 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7307 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7308 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7309 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7310 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7311 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7312 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7313 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7314 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7315 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7316 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7317 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7318 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7319 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7320 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7321 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7322 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7323 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7324 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7325 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7326 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7327 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7328 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7329 * sync-builtins.def: New file, moved from builtins.def.
7330 * omp-builtins.def: New file, moved from builtins.def.
7331 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7332 * gimple-low.c (lower_function_body): Clear data.
7333 (lower_stmt): Do not handle COMPOUND_EXPR.
7334 Remove call to print_node_brief.
7335 * c-tree.h (c_finish_omp_clauses): New prototype.
7336 (C_DECL_THREADPRIVATE_P): Define.
7337 (lookup_name_no_remap, c_omp_remap_private): Remove
7338 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7339 (check_for_loop_decls): Update decl.
7340 (lookup_name_no_remap, c_omp_remap_private): Declare.
7341 (build_indirect_ref, build_modify_expr, pushdecl,
7342 pushdecl_top_level): Move to c-common.h.
7343 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7344 before the switch, but just in the 2 places that need it.
7345 * c-decl.c (diagnose_mismatched_decls): Do not check for
7346 mismatched thread-local attributes when OLDDECL is marked
7347 threadprivate and NEWDECL has no thread-local attributes.
7348 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7349 (c_gimple_diagnostics_recursively): Rename from
7350 c_warn_unused_result_recursively. Invoke
7351 diagnose_omp_structured_block_errors.
7352 (check_for_loop_decls): Return a singular decl found.
7353 * langhooks.c (lhd_omp_predetermined_sharing): Return
7354 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7355 (lhd_omp_firstprivatize_type_sizes): New.
7356 (lhd_omp_assignment): New.
7357 (lhd_omp_predetermined_sharing): New.
7358 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7359 (struct lang_hooks_for_types): Add
7360 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7361 omp_predetermined_sharing, omp_disregard_value_expr,
7362 omp_private_debug_clause, omp_clause_default_ctor,
7363 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7364 (c_finish_omp_clauses): New.
7365 (c_finish_bc_stmt): Diagnose break within omp for.
7366 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7367 (build_unary_op): Return error_mark after reporting
7369 (build_modify_expr): Likewise.
7370 * gimplify.c: Include optabs.h and pointer-set.h.
7371 (enum gimplify_omp_var_data): Declare.
7372 (struct gimplify_omp_ctx): Declare.
7373 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7375 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7376 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7377 (splay_tree_compare_decl_uid): New.
7378 (new_omp_context): New.
7379 (delete_omp_context): New.
7380 (gimple_add_tmp_var): Call omp_add_variable.
7381 (gimplify_bind_expr): Likewise.
7382 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7383 true, disregard DECL_VALUE_EXPR on the decl if any.
7384 (gimplify_expr_in_ctx): New.
7385 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7386 omp_add_variable, omp_notice_variable, omp_is_private
7387 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7388 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7389 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7390 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7391 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7392 gimplify_omp_atomic): New.
7393 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7394 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7395 OMP_CRITICAL and OMP_ATOMIC.
7396 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7397 * c-pragma.h (enum pragma_kind): Add
7398 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7399 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7400 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7401 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7402 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7403 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7404 PRAGMA_OMP_THREADPRIVATE.
7405 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7406 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7407 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7408 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7409 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7410 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7411 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7412 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7413 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7414 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7415 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7416 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7417 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7419 (struct nesting_info): Add field_map,
7420 suppress_expansion, debug_var_chain.
7421 (create_nesting_tree): Initialize them.
7422 (lookup_field_for_decl): Use field_map.
7423 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7424 (convert_local_omp_clauses): New.
7425 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7426 (walk_body): Split out of walk_function.
7427 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7428 (convert_nonlocal_reference): Handle omp statements.
7429 (convert_local_reference): Likewise.
7430 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7431 (unnest_nesting_tree): New.
7432 (lower_nested_functions): Call it.
7433 (insert_field_into_struct): Make extern.
7434 (struct walk_stmt_info): Move to tree-gimple.h.
7435 (walk_stmts): Make extern.
7436 * omp-builtins.def: New file.
7437 * tree-iterator.c (expr_only): Clarify comment.
7438 * c-common.h (pushdecl_top_level, pushdecl,
7439 build_modify_expr, build_indirect_ref,
7440 c_finish_omp_master, c_finish_omp_critical,
7441 c_finish_omp_ordered, c_finish_omp_barrier,
7442 c_finish_omp_atomic, c_finish_omp_flush,
7443 c_finish_omp_for, c_split_parallel_clauses,
7444 omp_clause_default_kind, c_omp_sharing_predetermined,
7445 c_omp_remap_decl): Declare.
7446 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7447 (OBJS-common): Add omp-low.o.
7448 (c-omp.o, omp-low.o): Add.
7449 (gimplify.o): Add dependency on $(OPTABS_H).
7450 (GTFILES): Add omp-low.c.
7451 (gt-stringpool.h): Add.
7452 * tree-cfg.c (set_bb_for_stmt): Do not update the
7453 block-to-labels map if we are currently expanding to RTL.
7454 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7456 Handle IDENTIFIER_NODE.
7457 (tree_verify_flow_info): Do not ICE when emitting error
7458 messages about invalid labels.
7459 (dump_function_to_file): Reset CFUN before emitting the body
7461 (debug_function): New.
7462 * passes.c (init_optimization_passes): Schedule
7464 * langhooks-def.h (lhd_omp_predetermined_sharing,
7465 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7467 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7468 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7469 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7470 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7471 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7472 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7473 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7474 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7475 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7476 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7477 (LANG_HOOK_DECLS): Use them.
7479 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7480 Richard Henderson <rth@redhat.com>
7481 Jakub Jelinek <jakub@redhat.com>
7482 Diego Novillo <dnovillo@redhat.com>
7484 * c-parser.c (pragma_omp_clause): Define.
7485 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7486 (c_parser_compound_statement): Likewise.
7487 (c_parser_statement): Likewise.
7488 (c_parser_pragma): Handle omp pragmas.
7489 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7490 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7491 (c_parser_omp_clause_name, check_no_duplicate_clause,
7492 c_parser_omp_variable_list,
7493 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7494 c_parser_omp_clause_copyprivate,
7495 c_parser_omp_clause_default,
7496 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7497 c_parser_omp_clause_lastprivate,
7498 c_parser_omp_clause_nowait,
7499 c_parser_omp_clause_num_threads,
7500 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7501 c_parser_omp_clause_reduction,
7502 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7503 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7504 c_parser_omp_atomic, c_parser_omp_barrier,
7505 c_parser_omp_critical, c_parser_omp_flush,
7506 c_parser_omp_for_loop, c_parser_omp_for,
7507 c_parser_omp_master, c_parser_omp_ordered,
7508 c_parser_omp_sections_scope, c_parser_omp_sections,
7509 c_parser_omp_parallel, c_parser_omp_single,
7510 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7511 * c-pragma.c (init_pragma): Do omp pragma registration here.
7512 * c.opt (fopenmp): New flag.
7514 2006-01-18 Eric Christopher <echristo@apple.com>
7516 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7517 * config/darwin.h (GOMP_SELF_SPECS): Define.
7519 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7521 * rtl.h: Remove the prototype for reg_alloc.
7523 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7526 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7527 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7528 sjlj and dwarf2 exception handling.
7529 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7530 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7531 * pa/pa.c (function_value): Treat complex and vector types as
7533 (function_arg): Likewise. Only pass scalar floats in the floating
7534 point argument registers.
7535 * pa/t-slibgcc-dwarf-ver: New file.
7536 * pa/t-slibgcc-sjlj-ver: New file.
7537 * pa/t-slibgcc-elf-ver: Delete file.
7539 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7541 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7542 unlikely_test_section_p test.
7544 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7546 * mode-switching.c (optimize_mode_switching): Make it static.
7547 * basic-block.h: Remove the prototype for
7548 optimize_mode_switching.
7550 * modulo-sched.c (sms_schedule): Make it static.
7551 * rtl.h: Remove the prototype for sms_schedule.
7553 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7554 * rtl.h: Remove the prototype for gcse_after_reload_main.
7556 * reg-stack.c (reg_to_stack): Make it static.
7557 * rtl.h: Remove the prototype for reg_to_stack.
7559 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7561 * rtl.h: Remove the prototypes for regrename_optimize and
7562 copyprop_hardreg_forward.
7564 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7566 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7567 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7568 Test against the appropriate null constant for the mode.
7569 If 'fixup_overlap' is true, swap the operands if they overlap.
7570 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7571 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7572 alpha_split_tmode_pair and adjust for above change.
7573 * config/alpha/alpha.md (movtf_internal): Adjust call to
7574 alpha_split_tfmode_pair and rely on it to swap the operands.
7575 (movti_internal): New insn and post-reload splitter.
7576 (movti): New expander.
7578 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7580 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7583 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7585 * rtlanal.c (global_reg_mentioned_p_1,
7586 global_reg_mentioned_p): Remove.
7587 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7589 * flow.c (initialize_uninitialized_subregs): Make it static.
7590 * rtl.h: Remove the prototype for
7591 initialize_uninitialized_subregs.
7593 * function.c (instantiate_virtual_regs): Make it static.
7594 * function.h: Remove the prototype for
7595 instantiate_virtual_regs.
7597 * regmove.c (regmove_optimize, combine_stack_adjustments):
7599 * rtl.h: Remove the prototypes for regmove_optimize and
7600 combine_stack_adjustments.
7602 2006-01-17 Roger Sayle <roger@eyesopen.com>
7604 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7605 (size_cost): Encode costs in bytes so that a reg-reg addition is
7606 equivalent to COSTS_N_INSNS(1).
7607 (override_options): Use the size_cost.branch_cost as the default
7608 ix86_branch_cost when optimizing for size.
7610 2006-01-18 Ben Elliston <bje@au.ibm.com>
7612 * Makefile.in (D32PBIT_FUNCS): New.
7613 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7614 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7615 D64PBIT_FUNCS and D128PBIT_FUNCS.
7616 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7617 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7619 (decnumber_dep): Define.
7620 * doc/libgcc.texi (Decimal float library routines): New node.
7621 * config/dfp-bit.h, config/dfp-bit.c: New files.
7623 2006-01-18 Ben Elliston <bje@au.ibm.com>
7625 * expr.c (emit_move_change_mode): Always adjust addresses, not
7626 just during reload. Copy replacements only during reload.
7627 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7628 emit_move_via_integer.
7630 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7632 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7633 instead of $(srcdir) and ${srcdir}.
7635 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7639 * arm.h (struct machine_function): Add pic_reg.
7640 * arm.c (arm_pic_register): Make unsigned.
7641 (arm_override_options): Only set arm_pic_register if
7642 TARGET_SINGLE_PIC_BASE.
7643 (use_return_insn): Only test for a pic register if it is fixed.
7644 (arm_compute_save_reg0_reg12_mask): Likewise.
7645 (thumb_compute_save_reg_mask): Likewise.
7646 (legitimate_pic_operand): Factor out some known invariants.
7647 (legitimize_pic_address): If we don't have a fixed pic register,
7648 then set up a pseudo in the function entry sequence. Handle the
7649 pic base being in a pseudo.
7650 (arm_load_pic_register): Handle the pic register being in a pseudo.
7651 (arm_expand_prologue): Only set up the pic register if it is fixed.
7652 (thumb_expand_prologue): Likewise.
7653 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7654 (pic_load_addr_based_insn): Likewise.
7655 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7658 2006-01-18 Ben Elliston <bje@au.ibm.com>
7660 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7661 decimal float modes for all floating point registers.
7663 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7664 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7666 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7669 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7670 even when the pointer is not NULL.
7672 2006-01-16 Ian Lance Taylor <ian@airs.com>
7674 * common.opt (ftoplevel-reorder): New option.
7675 * cgraph.c (cgraph_asm_nodes): New global variable.
7676 (cgraph_asm_last_node): New static variable.
7677 (cgraph_order): New global variable.
7678 (cgraph_create_node): Set new order field.
7679 (cgraph_varpool_node): Likewise.
7680 (decide_is_variable_needed): Return true if not
7681 flag_toplevel_reorder.
7682 (cgraph_add_asm_node): New function.
7683 * cgraph.h (struct cgraph_node): Add order field.
7684 (struct cgraph_varpool_node): Add order field.
7685 (struct cgraph_asm_node): Define.
7686 (cgraph_asm_nodes, cgraph_order): Declare.
7687 (cgraph_add_asm_node): Declare.
7688 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7690 (cgraph_varpool_assemble_pending_decls): Call it.
7691 (cgraph_output_pending_asms): New static function.
7692 (cgraph_finalize_compilation_unit): Call it.
7693 (struct cgraph_order_sort): Define.
7694 (cgraph_output_in_order): New static function.
7695 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7696 !flag_toplevel_reorder case.
7697 * c-parser.c: Include "cgraph.h".
7698 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7700 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7701 than -fno-unit-at-a-time.
7702 * doc/invoke.texi (Option Summary): Mention
7703 -fno-toplevel-reorder.
7704 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7705 -funit-at-a-time documentation.
7707 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7708 Kazu Hirata <kazu@codesourcery.com>
7710 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7712 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7714 * Makefile.in (FUNCTION_H): New. Use it instead of
7715 function.h throughout the file.
7716 * function.h: Include tree.h.
7718 2006-01-17 Ben Elliston <bje@au.ibm.com>
7720 * recog.c: Separate some functions with whitespace.
7722 2006-01-16 Richard Henderson <rth@redhat.com>
7724 Merge from gomp branch:
7725 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7726 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7727 and rename from struct inline_data. Rename callee* to dst*;
7728 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7729 transform_new_cfg, transform_return_to_modify, and
7730 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7732 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7733 (copy_decl_for_dup): Remove.
7734 * tree-inline.c (struct inline_data): Move to header.
7735 (insert_decl_map): Export.
7736 (remap_decl): Update for member name changes. Use copy_decl hook.
7737 Allow for replacement to be a non-decl. Remove dead code.
7738 (remap_type_1): Check for existing mapping.
7739 (remap_type): Export.
7740 (remap_decls): Update for member name changes.
7741 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7742 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7743 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7744 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7745 (tree_function_versioning, build_duplicate_type): Likewise.
7746 (copy_body_r): Likewise. Export.
7747 (copy_decl_for_dup): Split into ...
7748 (copy_decl_for_dup_finish, copy_decl_to_var,
7749 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7750 (replace_ref_tree, inlining_p): Remove.
7752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7754 * ifcvt.c (if_convert): Make it static.
7755 * rtl.h: Remove the prototype for if_convert.
7757 * local-alloc.c (local_alloc): Make it static.
7758 * rtl.h: Remove the prototype for local_alloc.
7760 * loop.c (loop_optimize): Make it static.
7761 * cfgloop.h: Remove the prototype for loop_optimize.
7764 2006-01-16 DJ Delorie <dj@redhat.com>
7766 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7769 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7771 * pa.md: Disparage copies between general and floating-point registers
7772 in 32-bit move patterns.
7774 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7777 * Makefile.in (check-%): Depend on site.exp instead of
7778 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7781 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7783 * global.c (global_alloc): Make it static.
7784 * rtl.h: Remove the prototype for global_alloc.
7786 2006-01-16 Richard Guenther <rguenther@suse.de>
7788 * tree-ssa-alias.c (struct used_part): Add write_only field.
7789 (get_or_create_used_part_for): Initialize it to true.
7790 (create_overlap_variables_for): Don't create structure variables
7791 for structures that only are written to.
7792 (find_used_portions): Handle MODIFY_EXPR to track whether a
7793 structure is only written to.
7795 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7797 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7799 * basic-block.h: Remove the prototype for
7800 partition_hot_cold_basic_blocks.
7802 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7804 * cppspec.c (lang_specific_spec_functions): Remove.
7805 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7806 * gcc.h (lang_specific_spec_functions): Remove.
7807 * gccspec.c (lang_specific_spec_functions): Remove.
7809 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7811 * combine.c (record_value_for_reg): Invalidate registers
7813 (record_dead_and_set_regs_1): Likewise, by passing them to
7814 record_value_for_reg.
7815 (record_dead_and_set_regs): Invalidate stores made by a
7816 call. We do not combine across a call, but we still
7817 relied on equivalences.
7819 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7821 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7822 vrp_int_const_binop returning non-constant nodes.
7824 2006-01-16 Paul Brook <paul@codesourcery.com>
7826 * config/m68k/m68k.c (output_move_const_into_data_reg):
7827 Output correct mnemonic for mvz and mvs.
7829 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7831 * rtl-factoring.c: Add sequence abstraction algorithm.
7832 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7833 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7835 (block_has_preserve_label): New function.
7836 * common.opt: Register new pass.
7837 * Makefile.in: Ditto.
7839 * timevar.def: Ditto.
7840 * tree-pass.h: Ditto.
7841 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7842 * rtl.h (make_jump_insn_raw): Add forward decl.
7843 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7845 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7846 Roger Sayle <roger@eyesopen.com>
7848 * fold-const.c (fold_minmax): New static function.
7849 (fold_binary) <MIN_EXPR>: Call it.
7850 <MAX_EXPR>: Likewise.
7851 * stor-layout.c (place_field): Use DECL_SIZE consistently
7852 in the computation of the new record size.
7854 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7856 * cse.c (cse_condition_code_reg): Make it static.
7857 * rtl.h: Remove the prototype for cse_condition_code_reg.
7859 * combine.c (combine_instructions): Make it static.
7860 * rtl.h: Remove the prototype for combine_instructions.
7862 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7865 * tree.c (get_file_function_name_long): Concatenate the first global
7866 object name with a string derived from the input filename of the object
7869 2006-01-16 Ben Elliston <bje@au.ibm.com>
7871 * config/i386/winnt-stubs.c: Update FSF address.
7872 * config/xtensa/ieee754-df.S: Ditto.
7873 * config/xtensa/ieee754-sf.S: Ditto.
7875 2006-01-14 Ian Lance Taylor <ian@airs.com>
7877 * ifcvt.c (noce_init_if_info): New static function, broken out of
7878 noce_process_if_block.
7879 (noce_process_if_block): Call noce_init_if_info.
7880 (check_cond_move_block): New static function.
7881 (cond_move_process_if_block): New static function.
7882 (process_if_block): Call cond_move_process_if_block.
7884 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7886 * cselib.c (hash_table): Rename to cselib_hash_table.
7887 (cselib_clear_table, discard_useless_values,
7888 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7889 cselib_init, cselib_finish): Adjust uses of hash_table.
7891 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7893 PR tree-optimization/25485
7894 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7895 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7896 is known to be false and true, respectively.
7898 2006-01-14 Richard Guenther <rguenther@suse.de>
7900 PR tree-optimization/22548
7901 PR tree-optimization/22555
7902 PR tree-optimization/22501
7903 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7904 * params.def (salias-max-array-elements): New parameter.
7905 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7906 * doc/invoke.texi (salias-max-array-elements): Document.
7907 * tree-flow-inline.h (var_can_have_subvars): We also handle
7909 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7911 * tree-ssa-structalias.c (params.h): Include.
7912 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7913 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7914 (get_constraint_for): For ADDR_EXPR operating on something
7915 containing an ARRAY_REF, add all subvars to the solution.
7916 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7917 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7918 for creating MUST_DEFs.
7919 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7921 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7923 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7925 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7926 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7927 number_of_iterations_le): New functions.
7928 (number_of_iterations_special): Removed.
7929 (number_of_iterations_exit): Do not use number_of_iterations_special.
7930 * tree.c (unsigned_type_for): Always return integer type.
7932 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7933 Richard Guenther <rguenther@suse.de>
7935 PR rtl-optimization/24257
7936 * gcse.c (find_moveable_store): Only consider a store movable
7937 when the SET_SRC of the insn can be assigned to a register.
7939 2006-01-14 Ian Lance Taylor <ian@airs.com>
7941 * tree.c (tree_not_class_check_failed): New function.
7942 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7943 (tree_not_class_check_failed): Declare.
7945 2006-01-13 Ian Lance Taylor <ian@airs.com>
7947 * reload1.c (do_output_reload): Add assertion rejecting a
7950 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7952 * combine.c (struct reg_stat): Add new fields truncation_label and
7954 (record_value_for_reg): Reset truncated_to_mode.
7955 (record_truncated_value): New function.
7956 (check_promoted_subreg): Call it. Rename to check_conversions.
7957 (combine_instructions): Rename check_promoted_subreg to
7959 (reg_truncated_to_mode): New function.
7960 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7961 (gen_lowpart_or_truncate): New function.
7962 (force_to_mode): Use it instead of gen_lowpart.
7964 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7966 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7967 VAR is a tag, not its type tag.
7969 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7971 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7972 alternatives to match style of other entries.
7973 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7975 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7977 PR tree-optimization/25771
7978 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7981 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7984 * tree-inline.c (declare_return_variable): If the return variable
7985 was marked as a non gimple complex, set the return slot variable
7986 to be a non gimple comple variable.
7988 2006-01-13 Richard Guenther <rguenther@suse.de>
7990 * builtins.c (expand_builtin_sincos): New function.
7991 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7993 (expand_builtin): Expand sincos using expand_builtin_sincos.
7995 2006-01-12 DJ Delorie <dj@redhat.com>
7997 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7998 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7999 so that constant shifts can be split.
8000 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8001 (m32c_valid_pointer_mode): Make static.
8002 (shift_gen_func_for): New.
8003 (m32c_prepare_shift): Use it. Split large const shifts into
8005 * config/m32c/predicates.md (shiftcount_operand): Allow more
8007 (longshiftcount_operand): New.
8008 * doc/md.texi (Machine Constraints): Document In6.
8010 2006-01-13 Ben Elliston <bje@au.ibm.com>
8012 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8013 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8016 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8018 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8019 to try to avoid clobbering pieces of structures when we know
8020 something about the whole structure.
8021 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8023 2006-01-13 Ben Elliston <bje@au.ibm.com>
8025 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8026 return in memory, as this is no limitation is no longer present.
8028 2006-01-12 DJ Delorie <dj@redhat.com>
8030 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8031 mova with fb, and for fb+0 -> An.
8033 * config/m32c/mov.md (peephole2): Fix enabling logic.
8035 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8036 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8037 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8038 FINI_ARRAY_SECTION_ASM_OP): Define.
8040 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8042 (m32c_legitimize_reload_address): New logic to reload FB to An.
8043 (m32c_output_reg_push): Add newline.
8044 (m32c_output_reg_pop): Likewise.
8046 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8048 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8050 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8052 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8054 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8056 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8059 2006-01-11 Ben Elliston <bje@au.ibm.com>
8061 * rtlanal.c (find_reg_note): Assert insn is not null.
8063 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8065 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8068 2006-01-11 Jeff Law <law@redhat.com>
8070 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8072 (mark_threaded_blocks, register_jump_thread): New functions.
8073 (thread_through_all_blocks): Remove unwanted argument. No
8074 longer rely on e->aux to communicate thread target info.
8075 Call mark_threaded_blocks. Release the threaded_blocks
8076 bitmap and threaded_edges vector when complete.
8077 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8078 (threaded_blocks): Remove.
8079 (tree_ssa_dominator_optimize): Remove initialization and
8080 finalization of threaded_blocks. Simplify call to
8081 thread_through_all_blocks.
8082 (thread_across_edge): Call register_jump_thread rather than
8083 storing thread information into e->aux.
8084 (free_all_edge_infos): Simplify now that e->aux is no longer
8085 used to communicate with thread_through_all_blocks.
8086 * tree-flow.h (thread_through_all_blocks): Update prototype.
8087 (register_jump_thread): Prototype.
8089 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8091 * df-core.c (df_compact_blocks, df_bb_replace): Use
8092 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8094 2006-01-11 Richard Guenther <rguenther@suse.de>
8096 PR tree-optimization/25734
8097 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8098 stop propagation after successful propagation to the LHS.
8100 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8102 * basic-block.h (control_flow_graph): Change the type of
8103 x_basic_block_info to VEC(basic_block,gc) *.
8104 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8106 (SET_BASIC_BLOCK): New.
8107 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8108 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8109 * cfgbuild.c (find_basic_blocks): Likewise.
8110 * cfglayout.c (fixup_reorder_chain): Likewise.
8111 * cfgrtl.c (create_basic_block_structure,
8112 rtl_create_basic_block): Likewise.
8113 * ifcvt.c (find_if_case_1): Likewise.
8114 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8117 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8119 * Makefile.in: Removed rotted odf.c entry.
8121 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8124 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8125 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8126 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8127 output pattern modifier, not %e.
8128 * config/cris/cris.c (cris_op_str): Update comment about pattern
8130 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8131 before falling through into...
8132 <case 'E'>: Redefined from old 'e' case.
8134 2006-01-11 Jan Hubicka <jh@suse.cz>
8137 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8139 2006-01-11 Jan Hubicka <jh@suse.cz>
8141 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8142 * i386.c (x86_decompose_lea): Kill.
8143 (ix86_rtx_costs): Kill.
8145 2006-01-11 Jan Hubicka <jh@suse.cz>
8147 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8148 * cgraph.h (cgraph_node): Add inline_decl.
8149 (cgraph_insert_node_to_hashtable): Declare.
8150 (save_inline_function_body): Declare.
8151 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8153 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8154 (cgraph_function_versioning): Update call of tree_function_versioning.
8155 (save_inline_function_body): New function.
8156 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8157 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8158 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8159 (cgraph_default_inline_p): Likewise.
8160 (cgraph_decide_inlining_incrementally): Likewise.
8161 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8162 (copy_bb): Kill saving; do updating of clones.
8163 (copy_cfg_body): Kill saving.
8164 (initialize_inlined-parameters): Likewise.
8165 (expand_call_inline): Likewise.
8167 (tree_function_versioning): New parameter "update_clones".
8168 (inlining_p): Kill saving.
8169 * tree-inline.h (tree_function_versioning): Update prototype.
8170 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8173 2006-01-11 Ian Lance Taylor <ian@airs.com>
8175 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8176 Allow undoing set of machine mode.
8177 (do_SUBST): Use enums instead of is_int.
8178 (do_SUBST_MODE): New function.
8179 (SUBST_MODE): New macro.
8180 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8181 reg and trying to replace reg_regno_rtx with a new register.
8182 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8183 (simplify_set): Use SUBST_MODE.
8184 (distribute_notes): Remove code that tried to update reg notes
8185 for regno_reg_rtx changes.
8187 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8189 PR tree-optimization/23109
8190 PR tree-optimization/23948
8191 PR tree-optimization/24123
8193 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8194 * tree-cfg.c (single_noncomplex_succ): New.
8195 * tree-flow.h (single_noncomplex_succ): Declare it.
8196 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8197 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8198 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8199 insert_bb, register_division_in, insert_reciprocals,
8200 replace_reciprocal, free_bb): New.
8201 (execute_cse_reciprocals_1): Rewritten.
8202 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8203 Do not commit any edge insertion. Always compute dominators and
8204 create the allocation pool.
8205 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8206 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8207 * targhooks.c (default_min_divistions_for_recip_mul): New.
8208 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8209 * passes.c (init_optimization_passes): Run recip after tree loop
8211 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8213 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8214 Kenneth Zadeck <zadeck@naturalbridge.com>
8216 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8217 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8218 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8219 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8220 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8221 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8222 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8223 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8224 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8225 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8226 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8227 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8228 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8229 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8230 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8231 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8232 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8233 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8234 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8235 DF_SCAN_POST_ALLOC): New macros.
8236 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8237 df_free_bb_function, df_local_compute_function, df_init_function,
8238 df_dataflow_function, df_confluence_function_0,
8239 df_confluence_function_n, df_transfer_function,
8240 df_finalizer_function, df_free_function, df_dump_problem_function,
8241 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8242 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8243 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8244 df_urec_bb_info, ) New types.
8245 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8247 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8248 df_analyze_simple_change_some_blocks,
8249 df_analyze_simple_change_one_block, df_compact_blocks,
8250 df_bb_replace, df_bb_regno_last_use_find,
8251 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8252 df_insn_regno_def_p, df_find_def, df_find_use,
8253 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8254 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8255 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8256 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8257 debug_df_chain, df_get_dependent_problem, df_chain_create,
8258 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8259 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8260 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8261 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8262 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8263 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8264 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8265 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8266 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8267 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8268 df_reorganize_refs, df_set_state, df_hard_reg_init,
8269 df_read_modify_subreg_p) New public functions.
8270 * df-core.c: The core dataflow solver and glue routines for rtl
8272 (df_init, df_add_problem, df_set_blocks, df_finish,
8273 df_hybrid_search_forward, df_hybrid_search_backward,
8274 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8275 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8276 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8277 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8278 df_reg_defined, df_find_use, df_reg_used, df_dump,
8279 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8280 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8281 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8282 debug_df_useno, reset_df_after_reload): New functions.
8283 * df-scan.c: The scanning fuctions, once in df.c, completely
8284 rewritten so that they now fully model the functionality of
8285 register usage at the backend.
8286 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8287 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8288 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8289 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8290 df_get_artificial_defs, df_get_artificial_uses,
8291 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8292 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8293 df_refs_delete, df_reorganize_refs, df_set_state,
8294 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8295 df_def_record_1, df_defs_record, df_uses_record,
8296 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8297 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8298 df_record_exit_block_uses, df_hard_reg_init): New functions.
8300 * df-problems.c: Seven concrete dataflow problems that use the
8301 scanning in df-scan.c and are solved by the engine in df-core.c.
8302 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8303 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8304 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8305 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8306 df_ru_free_bb_info, df_ru_alloc,
8307 df_ru_bb_local_compute_process_def,
8308 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8309 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8310 df_ru_transfer_function, df_ru_free, df_ru_dump,
8311 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8312 df_rd_free_bb_info, df_rd_alloc,
8313 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8314 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8315 df_rd_transfer_function, df_rd_free, df_rd_dump,
8316 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8317 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8318 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8319 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8320 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8321 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8322 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8323 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8324 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8325 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8326 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8327 df_urec_mark_reg_use_for_earlyclobber,
8328 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8329 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8330 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8331 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8332 df_chain_create_bb_process_use, df_chain_create_bb,
8333 df_chain_finalize, df_chain_free, df_chains_dump,
8334 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8335 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8336 df_reg_lifetime): New functions.
8337 * df.c: Deleted file.
8338 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8339 consistent with new df api.
8340 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8341 rest_of_handle_sms): Ditto.
8342 * web.c (unionfind_union, union_defs, entry_register, web_main):
8344 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8345 invariant_expr_equal_p, find_defs, check_dependencies,
8346 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8347 free_inv_motion_data, move_loop_invariants): Ditto.
8348 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8349 Update dependencies.
8350 (odf.c): Added defective entry that was deleted later in day.
8351 * sched-deps.c (sched_analyze_1): Ditto.
8353 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8355 * tree-ssa-operands.c (get_expr_operands): Record addressable
8356 variables directly. Do not call add_stmt_operands for CONST_DECLs
8358 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8359 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8361 2006-01-11 Ben Elliston <bje@au.ibm.com>
8363 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8364 function returns true in the positive case.
8366 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8369 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8370 for SI, DI, SF and DF modes. Add alternatives to copy between
8371 general and floating point registers to the 32-bit patterns.
8372 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8373 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8374 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8375 generating 64-bit code.
8376 * config/pa/pa.c (output_move_double): Handle copies between general
8377 and floating registers.
8379 2006-01-10 Stuart Hastings <stuart@apple.com>
8381 * config/i386/i386.md (set_got): Update.
8382 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8383 (builtin_setjmp_receiver): Mach-O support.
8384 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8385 (GOT_SYMBOL_NAME): Define.
8386 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8387 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8388 * config/i386/i386.c (override_options): Revise for Darwin.
8389 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8390 support. (darwin_x86_file_end): New. (output_set_got): Add label
8391 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8392 * config/i386/i386-protos.h (output_set_got): Likewise.
8393 * config/darwin.c (machopic_legitimize_pic_address): Update
8396 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8398 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8399 when MODE isn't BLKmode.
8401 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8403 PR rtl-optimization/25367
8404 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8406 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8409 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8410 for a negative bound.
8412 2006-01-10 Richard Guenther <rguenther@suse.de>
8414 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8415 Never override with anything constraint.
8417 2006-01-10 Jan Beulich <jbeulich@novell.com>
8419 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8420 256 bits when optimize_size.
8422 2006-01-10 Jan Beulich <jbeulich@novell.com>
8424 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8426 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8427 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8430 2006-01-10 Ben Elliston <bje@au.ibm.com>
8432 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8434 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8435 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8436 (USE_FP_FOR_ARG): Reject decimal float modes.
8437 (function_arg_advance): Likewise.
8438 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8439 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8440 point types in AltiVec vectors.
8441 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8442 (rs6000_libcall_value): Likewise.
8444 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8446 * config/xtensa/ieee754-df.S: New file.
8447 * config/xtensa/ieee754-sf.S: New file.
8448 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8449 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8450 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8452 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8454 * config/sh/predicates.md (binary_float_operator,
8455 binary_logical_operator, commutative_float_operator,
8456 equality_comparison_operator, greater_comparison_operator,
8457 less_comparison_operator, logical_operator,
8458 noncommutative_float_operator, shift_operator,
8459 symbol_ref_operand, unary_float_operator): Remove redundant
8462 2006-01-09 Jeff Law <law@redhat.com>
8464 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8465 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8466 now unused arguments. Callers updated.
8467 (eliminate_redundant_computations): Remove now unused arguments,
8469 (local_fold): Remove, no longer used.
8470 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8472 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8473 (simplify_cond): New function.
8474 (forward_propagate_into_cond): Call simplify_cond.
8476 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8478 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8479 (*vec_extractv2di_1_sse): New.
8481 2006-01-09 Ben Elliston <bje@au.ibm.com>
8483 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8485 2006-01-08 Richard Guenther <rguenther@suse.de>
8487 * tree-ssa-structalias.c (get_constraint_for): Remove
8489 (get_constraint_for_component_ref): Likewise.
8490 (do_deref): Likewise.
8491 (get_constraint_for): Likewise.
8492 (do_structure_copy): Likewise.
8493 (handle_ptr_arith): Likewise.
8494 (find_func_aliases): Likewise. Remove unused need_anyoffset
8497 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8498 Kaz Kojima <kkojima@gcc.gnu.org>
8500 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8501 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8502 (EXTRA_CONSTRAINT_C16): Remove.
8503 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8504 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8505 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8506 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8507 constants of SHmedia. Handle nested constant expressions of
8509 (andcosts): Fix the costs for SHmedia constants.
8510 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8511 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8512 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8513 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8514 (movv4hi_i, movv2si_i): Likewise.
8515 (movsi_const): Adjust the second operand of ior so to match with
8517 (movdi_const, movdi_const_32bit): Likewise.
8518 (movdi_const_16bit+1): Don't sign-extend LOW.
8519 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8521 (*double_shori): Fix the split condition. Use GEN_INT instead
8522 of get_int_mode calls. Mask lower 16-bit of the argument of
8524 (sym2GOTPLT): Remove.
8525 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8527 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8528 instead of EXTRA_CONSTRAINT_C16.
8530 2006-01-07 Ian Lance Taylor <ian@airs.com>
8531 David Edelsohn <edelsohn@gnu.org>
8533 PR rtl-optimization/25662
8534 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8535 for constant operands instead of simplify_gen_binary.
8536 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8537 after trying simplify_binary_operation
8539 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8541 * tree.c (iterative_hash_expr): Hash decls based on UID.
8543 2006-01-06 Eric Christopher <echristo@apple.com>
8545 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8546 (TARGET_UNWIND_EMIT): Fix spelling.
8547 * target.h (gcc_target): Add except_table_label.
8548 * except.c (output_function_exception_table): Use.
8549 * varasm.c (default_emit_except_table_label): New.
8550 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8552 (asm_out): Add here.
8553 * output.h (default_emit_except_table_label): Prototype.
8554 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8555 * config/darwin.c (darwin_emit_except_table_label): Define.
8556 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8558 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8560 PR tree-optimization/18527
8561 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8562 number_of_iterations_special, number_of_iterations_exit):
8563 Move base and step of an iv to a single structure. Add
8564 no_overflow flag, and use it in # of iterations analysis.
8565 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8566 folded_casts argument.
8567 (simple_iv): Pass base and step in a structure. Set no_overflow
8569 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8570 Evaluate expensiveness of computing # of iterations instead of
8571 the final expression.
8572 * tree-scalar-evolution.h (affine_iv): New structure.
8573 (simple_iv): Declaration changed.
8574 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8575 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8576 find_givs_in_stmt): Changed due to simple_iv change.
8578 2006-01-06 Jeff Law <law@redhat.com>
8581 * tree-cfg.c (bsi_replace): Rename final argument from
8582 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8583 change (stmt -> orig_stmt).
8584 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8585 (bsi_remove): Add new argument. Remove EH information
8587 (verify_eh_throw_table_statements): New function.
8588 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8590 * tree-optimize.c (execute_free_cfg_annotations): Verify
8591 the EH throw statement table after removing annotations.
8592 * except.h (verify_eh_throw_table_statements): Prototype.
8593 * tree-flow.h (bsi_remove): Update prototype.
8594 * tree-vrp.c (remove_range_assertions): Add new argument to
8596 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8597 * tree-complex.c (expand_complex_div_wide): Likewise.
8598 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8599 * tree-tailcall.c (eliminate_tailcall): Likewise.
8600 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8601 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8602 * tree-nrv.c (tree_nrv): Likewise.
8603 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8604 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8605 (combine_blocks): Likewise.
8606 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8607 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8608 (cleanup_control_flow): Likewise.
8609 (remove_forwarder_block): Likewise.
8610 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8611 * tree-sra.c (sra_replace): Likewise.
8612 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8613 (forward_propagate_single_use_vars): Likewise.
8614 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8615 * tree-inline.c (expand_call_inline): Likewise.
8616 * tree-vect-transform.c (vect_transform_loop): Likewise.
8617 * tree-outof-ssa.c (rewrite_trees): Likewise.
8618 * tree-cfg.c (make_goto_expr_edges): Likewise.
8619 (cleanup_dead_labels): Likewise.
8620 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8621 (bsi_move_before, bsi_move_after): Likewise.
8622 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8623 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8625 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8628 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8630 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8631 on non gimple variables. Also add checks at the top for decls and
8633 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8635 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8636 and IMAGPART_EXPR for creating MUST_DEFs.
8637 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8638 and NAME_MEMORY_TAG separately from the DECLs.
8640 2006-01-06 Richard Guenther <rguenther@suse.de>
8642 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8643 annotation, if necessary.
8644 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8645 redundant calls to update_stmt.
8646 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8649 2006-01-05 Richard Henderson <rth@redhat.com>
8651 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8653 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8655 * c-typeck.c: Update copyright date.
8657 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8659 * c-typeck.c (build_c_cast): Always warn when casting
8660 from a pointer to an integer of different size, even if
8661 the node was constant.
8663 2006-01-05 Richard Guenther <rguenther@suse.de>
8665 PR tree-optimization/22555
8666 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8667 if one structure field is an array.
8668 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8669 operands even if we found a subvar, but ignore VOPs in this
8671 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8673 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8675 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8678 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8680 2006-01-05 Richard Guenther <rguenther@suse.de>
8681 Diego Novillo <dnovillo@redhat.com>
8683 * tree-pass.h (TODO_remove_unused_locals): Define.
8684 * gimple-low.c (expand_var_p, remove_useless_vars,
8685 pass_remove_useless_vars): Remove. Update all users.
8686 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8687 (remove_unused_locals): New function.
8688 * tree-flow.h (remove_unused_locals): Declare.
8689 * passes.c (execute_todo): Call remove_unused_locals if
8690 TODO_remove_unused_locals is set.
8691 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8692 * tree-ssa-dce.c (pass_dce): Likewise.
8693 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8695 2006-01-05 Richard Guenther <rguenther@suse.de>
8697 * tree-flow.h (struct fieldoff): Decompose field to
8698 type, size and decl.
8699 * tree-ssa-alias.c (create_sft): Take type as parameter.
8700 (create_overlap_variables_for): Store type, size and decl
8701 in the fieldoff structure.
8702 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8704 (push_fields_onto_fieldstack): Likewise.
8705 (create_variable_info_for): Likewise. Use offset for the
8706 SFT name if the decl is not available.
8708 2006-01-04 Paul Brook <paul@codesourcery.com>
8710 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8712 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8714 * lambda-code.c (can_put_in_inner_loop): Relax
8716 (can_put_after_inner_loop): New function.
8717 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8718 (perfect_nestify): Change to make copies and modify uses.
8720 2006-01-04 Richard Henderson <rth@redhat.com>
8722 Merge from gomp branch:
8723 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8724 via integer constant.
8725 (pragma_lex): Remove.
8726 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8727 rather than parsing it.
8728 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8729 handle_pragma_extern_prefix): Add %< %> quotes.
8730 (registered_pragmas): New.
8731 (c_register_pragma_1): New.
8732 (c_register_pragma): Use it.
8733 (c_register_pragma_with_expansion): Likewise.
8734 (c_invoke_pragma_handler): New.
8735 (init_pragma): Use cpp_register_deferred_pragma directly for
8737 * c-pragma.h (enum pragma_kind): New.
8738 (pragma_handler): New.
8739 (c_invoke_pragma_handler): Declare.
8740 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8742 * c-common.h (c_common_pch_pragma): Update decl.
8743 * Makefile.in (c-parser.o): Update dependencies.
8744 (GTFILES): Add c-pragma.h.
8745 * c-parser.c (struct c_token): Add pragma_kind.
8746 (struct c_parser): Add in_pragma.
8747 (c_lex_one_token): Always initialize keyword and pragma_kind.
8748 Extract data for CPP_PRAGMA.
8749 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8750 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8751 Don't allow CPP_PRAGMA_EOL if in_pragma.
8752 (c_parser_consume_pragma): New.
8753 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8754 (c_parser_skip_to_end_of_parameter): Likewise.
8755 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8756 (c_parser_skip_to_pragma_eol): New.
8757 (c_parser_external_declaration): Handle CPP_PRAGMA.
8758 (c_parser_compound_statement_nostart): Likewise.
8759 (c_parser_statement_after_labels): Likewise.
8760 (c_parser_pragma): New.
8761 (pragma_lex): Likewise.
8762 (c_parser_pragma_pch_preprocess): New.
8763 (c_parser_new): Merge into ...
8764 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8766 2006-01-04 Jeff Law <law@redhat.com>
8769 * tree-cfg.c (bsi_replace): Remove the original statement
8770 from the EH throw statement table.
8772 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8774 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8775 make the prototype extern "C" and add throw ().
8778 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8779 and pos non-negative and pos + len <= 32.
8780 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8781 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8782 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8785 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8786 as well as sizes not multiple of component size.
8789 * function.c (instantiate_expr): New function.
8790 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8791 walk its DECL_VALUE_EXPR with instantiate_expr.
8793 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8794 DW_OP_deref{,_size} if address isn't going to be added.
8796 2006-01-04 Ben Elliston <bje@au.ibm.com>
8798 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8799 * config/fp-bit.c: Likewise.
8801 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8803 * dominance.c: Add comment about why we use DFS numbering
8806 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8807 Richard Henderson <rth@redhat.com>
8809 Merge from gomp-branch:
8810 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8811 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8813 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8815 PR rtl-optimization/25578
8816 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8817 pass a parameter to simplify_shift_const if changing ASHIFTRT
8820 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8822 * builtins.c (get_builtin_sync_mem): New function.
8823 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8824 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8825 Call get_builtin_sync_mem to generate mem rtx.
8827 2006-01-03 Richard Guenther <rguenther@suse.de>
8830 * stmt.c (add_case_node): Make sure to clear overflow flags
8833 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8835 Merge from gomp-branch.
8836 * config/sparc/sync.md: New file.
8837 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8838 UNSPECV_LDSTUB): New constants.
8839 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8840 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8841 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8844 2006-01-03 Roger Sayle <roger@eyesopen.com>
8846 * combine.c (reg_subword_p): New predicate to test whether the
8847 destination of a set refers to a subword/piece of a register.
8848 (try_combine): Generalize the code to merge the setting of a
8849 pseudo to a constant followed by a set of a subword of that
8850 register to a constant.
8852 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8854 * basic-block.h (control_flow_graph): Change the type of
8855 x_label_to_block_map to VEC(basic_block,gc) *.
8856 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8857 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8859 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8860 VEC(basic_block,heap) *.
8861 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8862 ssa_prop_fini): Adjust the uses of cfg_blocks.
8864 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8866 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8868 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8869 hashing trees instead of a pointer hash.
8870 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8871 compare for MEM_EXPR.
8873 PR rtl-optimization/25130
8874 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8875 when comparing MEMs for GCSE
8877 2006-01-03 Ben Elliston <bje@au.ibm.com>
8879 * targhooks.h (default_decimal_float_supported_p): Declare.
8880 * targhooks.c (default_decimal_float_supported_p): Define.
8881 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8882 `default_decimal_float_supported_p'.
8883 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8885 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8887 * combine.c (apply_distributive_law <SUBREG>): Check
8888 TRULY_NOOP_TRUNCATION.
8890 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8892 * dwarf2out.c (have_switched_text_section): Delete.
8893 (have_multiple_function_sections): New.
8894 (have_location_lists): Make 'bool'.
8895 (add_AT_loc_list): Use 'true' not '1'.
8896 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8897 (output_loc_list): Use have_multiple_function_sections.
8898 (output_ranges): Likewise.
8899 (dwarf2out_begin_function): Set have_multiple_function_sections if
8901 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8902 Check function_section rather than DECL_SECTION_NAME.
8903 (dwarf2out_finish): Use have_multiple_function_sections.
8904 Don't clear have_location_lists.
8906 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8907 Jan Hubicka <jh@suse.cz>
8909 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8910 case of conditional jump jumping to the next instruction.
8911 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8912 cases of conditional jump jumping to the next instruction.
8914 2006-01-02 Jan Hubicka <jh@suse.cz>
8916 * i386.c (*_cost): Add COSTS_N_INSNS.
8917 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8919 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8922 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8924 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8926 * config/arm/arm.c (all_fpus): Fix comment typo.
8927 * config/darwin.c: Likewise.
8928 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8929 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8930 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8932 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8934 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8935 (rs6000_split_compare_and_swapqhi): New.
8936 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8937 (sync_compare_and_swapqhi_internal): New.
8938 * config/rs6000/rs6000-protos.h: Declare.
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