1 2006-04-05 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/26763
4 * fold-const.c (fold_comparison): Move folding of
5 PTR + CST CMP PTR + CST ...
6 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10 * doc/install.texi (Prerequisites): Refine some wording on
11 bootstrapping and ksh.
12 Move the version numbers of DejaGnu here from the testing section
13 and fix casing of names.
14 Fix markup and clarify wording for autogen requirements.
15 Refer to GCJ instead of just java.
16 Refer to SVN instead of CVS.
17 Describe diffutils as useful instead of necessary.
18 (Downloading the source): Refer to SVN instead of CVS.
19 Adjust a link to our web site accordingly.
20 (Configuration): Fix casing of Bison.
21 (Building): Refer to SVN instead of CVS.
22 Fix a sentence on the use of Bison and remove duplicate (and
23 incorrect) version number of Bison requirement.
24 Remove one redundant list of packages needed for building.
25 (Specific): Avoid reference to CVS.
27 2006-04-04 Eric Christopher <echristo@apple.com>
29 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
30 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
31 (rs6000_handle_struct_attribute): New.
32 (rs6000_ms_bitfield_layout_p): Ditto.
34 2006-04-04 Geoffrey Keating <geoffk@apple.com>
36 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
37 NULL for dso parameter to atexit_common.
39 2006-04-04 Eric Christopher <echristo@apple.com>
41 * config/i386/i386.c (machopic_output_stub): Output \t
42 between instructions and operands.
44 2006-04-04 David Edelsohn <edelsohn@gnu.org>
46 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
47 satisfies_constraint_[IL] to explicit tests on value.
49 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
51 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
52 set_nb_iterations_in_loop): Use build_int_cst instead of
54 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
55 build_int_cst instead of convert.
57 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
59 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
60 new value 2 for incoming.
61 * function.c (expand_function_start): Call struct_value_rtx
63 * config/sparc/sparc.md: Comment updated_return.
64 * config/sparc/sparc.opt: Add -mstd-struct-return option.
65 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
66 struct return if sparc_std_struct_return and incoming is 2.
67 (print_operand): Do not adjust return if
68 sparc_std_struct_return.
70 2006-04-04 Roger Sayle <roger@eyesopen.com>
72 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
73 convert in the middle-end.
74 * expr.c (store_expr, store_constructor, get_inner_reference,
75 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
77 * tree.c (build_range_type): Likewise.
79 2006-04-04 Tom Tromey <tromey@redhat.com>
81 * doc/install.texi (Prerequisites): Mention jar.
83 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
85 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
88 2006-04-04 Matthias Klose <doko@debian.org>
90 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
92 2006-04-03 Geoffrey Keating <geoffk@apple.com>
94 * doc/extend.texi (Function Attributes): Rewrite visibility
95 attribute documentation.
96 * doc/invoke.texi (C++ Dialect Options): Rewrite
97 -fvisibility-inlines-hidden documentation to describe something
98 entirely different, although in practise compatible.
99 (Code Gen Options): Warn about system headers in -fvisibiltity=
102 * doc/extend.texi (Other Builtins): Document that
103 __builtin_nan is a compile-time constant only when its argument
106 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
108 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
109 trying to remove TRUNCATE check if all bits outside the new mode
110 are identical to the sign bit.
112 2006-04-03 Jeff Law <law@redhat.com>
114 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
115 and operand scanning in some common cases.
117 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
118 Dale Johannesen <dalej@apple.com>
121 * regclass.c (struct reg_pref): Update documentation.
122 (regclass): Set prefclass to NO_REGS if memory is the best option.
123 (record_reg_classes): Cope with a prefclass set to NO_REGS.
124 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
125 into account. For non-registers, equate an empty preferred
126 reload class to a `!' in the constraint; move the if clause to
127 do so after those that reject the insn.
128 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
130 (find_dummy_reload): Likewise.
131 * doc/tm.texi (Register Classes): Document what it means
132 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
133 * config/i386/i386.c (ix86_preferred_reload_class): Force
134 using SSE registers (and return NO_REGS for floating-point
135 constants) if math is done with SSE.
136 (ix86_preferred_output_reload_class): New.
137 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
138 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
139 * config/i386/i386.md: Remove # register preferences.
141 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
144 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
145 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
147 (instantiate_parameters_1): Convert the operands before calling
148 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
149 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
151 2006-04-02 Roger Sayle <roger@eyesopen.com>
153 * builtins.c (dummy_object): Use build_int_cst instead of convert.
154 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
156 * dojump.c (do_jump): Likewise.
157 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
158 * gimplify.c (gimple_boolify, gimplify_init_constructor,
159 gimplify_boolean_expr): Likewise.
160 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
161 * varasm.c (array_size_for_constructor): Likewise.
162 * tree-object-size.c (compute_object_offset): Likewise.
164 2006-04-02 Roger Sayle <roger@eyesopen.com>
167 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
168 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
170 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
172 PR tree-optimization/26939
173 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
175 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
177 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
178 at_stmt. Convert the type of operands before calling
179 build_polynomial_chrec.
180 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
182 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
183 (instantiate_parameters_1): Convert the type of operands before calling
184 build_polynomial_chrec.
185 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
186 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
187 reset_evolution_in_loop): Insert asserts to check the types of the
189 (chrec_type): Moved...
190 (eq_evolutions_p): Use operand_equal_p.
191 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
192 the types of the operands.
193 (chrec_type): ...here.
194 * tree-data-ref.c (create_data_ref): Convert the operands before
195 calling chrec_replace_initial_condition.
196 (same_access_functions, analyze_subscript_affine_affine,
197 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
198 (compute_subscript_distance, analyze_ziv_subscript,
199 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
200 analyze_miv_subscript): Convert the operands before calling
201 chrec_fold_minus or chrec_fold_plus.
203 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
205 * tree-data-ref.c (compute_all_dependences): Use a pointer to
206 the dependence_relations vector.
207 (compute_data_dependences_for_loop): Adjust call to
208 compute_all_dependences.
210 2006-04-01 Roger Sayle <roger@eyesopen.com>
211 Richard Henderson <rth@redhat.com>
213 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
214 gimple_boolify on the condition before calling gimplify_expr.
216 2006-03-31 Bob Wilson <bob.wilson@acm.org>
218 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
219 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
220 the frame size. Update to use the new macros.
221 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
222 * config/xtensa/ieee754-df.S: Likewise.
224 2006-03-31 Richard Henderson <rth@redhat.com>
226 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
227 (make_edges): ... here. Control fallthru creation with a local
228 variable. Do not play with fake edges.
229 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
230 (make_goto_expr_edges): Don't play with fake edges. Make for_call
233 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
235 * dwarf2.h (DW64_CIE_ID): Define.
236 * dwarf2out.c (DWARF_CIE_ID): Define.
237 (output_call_frame_info): Output 0xffffffff before standard 8-byte
238 length header. Use DWARF_CIE_ID.
239 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
240 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
242 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
244 * config/sh/linux-atomic.asm: New file.
245 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
247 2006-03-31 DJ Delorie <dj@redhat.com>
249 * config/m32c/cond.md: Set condition flags properly throughout.
250 * config/m32c/minmax.md: Likewise.
251 * config/m32c/prologue.md: Likewise.
252 * config/m32c/bitops.md: Likewise.
253 * config/m32c/muldiv.md: Likewise.
254 * config/m32c/mov.md: Likewise.
255 * config/m32c/addsub.md: Likewise.
256 * config/m32c/m32c.md: Likewise.
257 * config/m32c/jump.md: Likewise.
258 * config/m32c/shift.md: Likewise.
260 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
261 conditionally output the pattern for this.
262 * config/m32c/m32c.c (flags_needed_for_conditional): New.
263 (m32c_compare_redundant): New.
264 (m32c_output_compare): New.
265 * config/m32c/m32c-protos.h (m32c_output_compare): New.
267 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
268 dest, not src. Allow other 4-byte modes.
270 2006-03-30 Denis Chertykov <denisc@overta.ru>
272 * doc/md.texi: Refer to avr/constraints.md instead of
275 2006-03-30 Roger Sayle <roger@eyesopen.com>
277 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
278 signed vs. unsigned comparison failures on some hosts.
280 2006-03-31 Alan Modra <amodra@bigpond.net.au>
283 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
284 change to FLOAT_REGS.
286 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
287 (rs6000_override_options): Use it.
288 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
289 only for -mabi=spe/no-spe and -mabi=altivec.
291 2006-03-30 Geoffrey Keating <geoffk@apple.com>
293 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
296 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
298 * Makefile.in: Rename docdir to gcc_docdir.
300 2006-03-30 Roger Sayle <roger@eyesopen.com>
303 * expr.c (emit_group_store): Optimize group stores into a pseudo
304 register by using a paradoxical subreg to initialize the destination
305 if the first or last member of the group specifies a "low part".
307 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
310 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
311 * target.h (struct gcc_target.speculate_insn): Change type of the
312 second parameter to 'int'.
313 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
314 the second operand of the DEPS_LIST.
315 (copy_DEPS_LIST_list): Update reference to the second operand of the
317 * rtl.h (alloc_DEPS_LIST): Update signature.
318 * sched-int.h (ds_t): Change typedef to 'int'.
319 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
321 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
323 * haifa-sched.c (try_ready): Change condition to restore
324 non-speculative pattern of the instruction.
325 (process_insn_depend_be_in_spec): Code to keep probability of the
326 speculative dependence non-decreasing.
328 2006-03-30 Jie Zhang <jie.zhang@analog.com>
330 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
331 (single_move_for_movmem): ... this. Also change all uses.
332 (bfin_expand_strmov): Renamed to...
333 (bfin_expand_movmem): ... this. Also change all uses.
334 * config/bfin/bfin.md (movstrsi): Renamed to...
337 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
339 PR tree-optimization/26830
341 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
342 (copy_prop_visit_stmt): Remove write-only variable ann.
343 (init_copy_prop): Check variable loop depth here. Do not simulate
344 memory-tag and virtual operand PHIs except for store copy prop.
346 2006-03-30 Richard Guenther <rguenther@suse.de>
348 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
349 variants with double arguments.
351 2006-03-29 David Edelsohn <edelsohn@gnu.org>
353 * genpreds.c (write_tm_constrs_h): Delete variable p.
354 * genconditions.c (write_header): Add tm-constrs.h to included
356 * genpeep.c (main): Add toplev.h to included headers.
357 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
358 (build/genpeep.o): Add toplev.h dependency.
359 * config/rs6000/constraints.md: Add "W" constraint.
361 2006-03-29 Roger Sayle <roger@eyesopen.com>
363 * stor-layout.c (mode_for_size_tree): Remove restiction on type
364 sizes by correctly testing whether the size fits a host integer.
365 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
366 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
367 SImode range for the default sizetype and bitsizetype.
369 2006-03-29 Roger Sayle <roger@eyesopen.com>
371 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
372 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
373 quickly if the argument is already of the correct type.
374 Call fold_build1 instead of build1. Tidy up blank lines.
376 2006-03-29 David Edelsohn <edelsohn@gnu.org>
378 * genemit.c (main): Add tm-constrs.h to included headers.
379 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
380 * genpeep.c (main): Add tm-constrs.h to included headers.
381 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
382 (write_tm_constrs_h): this and write complete file.
383 (write_tm_preds_h): Do not emit satisfies_constraint fns.
384 (write_insn_preds_c): Add tm-constrs.h to included headers.
385 (gen_constrs): New variable.
386 (parse_option): Parse "-c".
387 (main): Invoke write_tm_constrs_h.
388 * genrecog.c (write_header): Add tm-constrs.h to included headers.
389 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
390 (object_out_file): Add tm-constrs.h dependency.
392 (insn-output.o): Same.
394 (insn-preds.o): Same.
395 (insn-recog.o): Same.
396 (tm-constsr.h): New target.
397 (s-constrs-h): New target.
399 * config/rs6000/constraints.md: New file.
400 * config/rs6000/rs6000.c: Include tm-constrs.h.
401 (num_insn_constant_wide): Convert to satisfies_constraint.
402 (rs6000_rtx_costs): Convert to satisfies_constraint.
403 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
404 (CONST_OK_FOR_LETTER_P): Delete.
405 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
406 (EXTRA_CONSTRAINT): Delete.
407 (EXTRA_MEMORY_CONSTRAINT): Delete.
408 (EXTRA_ADDRESS_CONSTRAINT): Delete.
409 * config/rs6000/predicates.md: Convert to satisfies_constraint.
410 * config/rs6000/rs6000.md: Include constraints.md. Convert to
411 satisfies_constraint.
413 * config/i386/i386.c: Include tm-constrs.h.
415 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
417 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
418 * tree-data-ref.c (find_data_references_in_loop,
419 compute_data_dependences_for_loop): Use pointers to VEC.
420 (analyze_all_data_dependences): Adjust calls.
421 * tree-data-ref.h (find_data_references_in_loop,
422 compute_data_dependences_for_loop): Adjust declarations.
423 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
424 compute_data_dependences_for_loop.
426 2006-03-29 Paul Brook <paul@codesourcery.com>
428 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
431 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
433 PR tree-optimization/26859
434 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
436 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
437 for the step after fold_convert.
439 2006-03-29 Paul Brook <paul@codesourcery.com>
441 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
442 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
444 2006-03-29 Paul Brook <paul@codesourcery.com>
447 * targhooks.c (default_narrow_bitfield): New fuction.
448 * targhooks.h (default_narrow_bitfield): add prototype.
449 * target.h (gcc_target): Add narrow_volatile_bitfield.
450 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
451 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
452 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
453 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
455 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
457 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
459 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
460 (NR_C_MODES): Add TDmode, DDmode and SDmode.
461 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
462 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
463 (s390_function_arg_float): Allow SDmode and DDmode values to be
464 passed in floating point registers.
465 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
466 check with SCALAR_FLOAT_MODE_P.
467 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
469 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
471 PR tree-optimization/25985
472 * tree-ssa-loop-niter.c (number_of_iterations_le,
473 number_of_iterations_ne): Make comments more precise.
474 (number_of_iterations_cond): Add only_exit argument. Use the
475 fact that signed variables do not overflow only when only_exit
477 (loop_only_exit_p): New.
478 (number_of_iterations_exit): Pass result of loop_only_exit_p to
479 number_of_iterations_cond.
481 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
483 PR tree-optimization/26643
484 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
487 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
489 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
490 (divsi3_i4_int): Likewise.
492 2006-03-28 Roger Sayle <roger@eyesopen.com>
494 * expr.c (emit_group_store): Only create a new pseudo reg if the
495 quantity it needs to hold isn't already a suitable pseudo.
497 2006-03-28 Jeff Law <law@redhat.com>
499 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
500 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
502 2006-03-28 Roger Sayle <roger@eyesopen.com>
504 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
505 the equivalent ~X & Y, and the symmetry related transformations.
506 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
507 ~X & Y, and symmetry related transforms.
509 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
511 Revert my 2006-03-27 patches.
513 2006-03-28 Roger Sayle <roger@eyesopen.com>
515 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
516 ~(T1)X, when T1 and T2 are integer types of the same precision
517 and (T2)X isn't an extension.
519 2006-03-28 Jeff Law <law@redhat.com>
521 PR tree-optimization/26796
522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
523 need EH edge cleanups rather than purging them immediately.
524 (eliminate_degenerate_phis): Handle queued EH cleanups.
526 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
528 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
531 2006-03-27 Roger Sayle <roger@eyesopen.com>
534 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
535 cast BIT_NOT_EXPR operand to the correct type.
537 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
539 * tree-loop-linear.c: Don't include varray.h.
540 (gather_interchange_stats, try_interchange_loops,
541 linear_transform_loops): Use VEC instead of VARRAY.
542 * lambda-mat.c: Don't include varray.h.
543 * tree-chrec.c: Same.
544 * lambda-trans.c: Same.
545 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
546 VEC instead of VARRAY.
547 * tree-vectorizer.h: Idem.
548 * tree-data-ref.c (dump_data_references,
549 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
550 initialize_data_dependence_relation, finalize_ddr_dependent,
551 compute_all_dependences, find_data_references_in_loop,
552 compute_data_dependences_for_loop, analyze_all_data_dependences,
553 free_dependence_relation, free_dependence_relations,
554 free_data_refs): Idem.
555 * tree-data-ref.h (data_reference_p, subscript_p): New.
556 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
557 VEC instead of VARRAY.
558 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
559 (find_data_references_in_loop, compute_data_dependences_for_loop,
560 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
561 dump_data_dependence_relations, free_dependence_relations,
562 free_data_refs): Adjust declaration.
563 (lambda_transform_legal_p): Move declaration here...
564 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
565 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
566 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
567 vect_analyze_data_refs): Use VEC instead of VARRAY.
568 * lambda.h (lambda_transform_legal_p): ...from here.
569 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
570 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
571 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
572 tree-chrec.o): Don't depend on VARRAY_H.
574 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
576 * rtl.def (Copyright): Update date.
577 (DEPS_LIST): Change type of the second operand to 'int'.
578 * target.h (Copyright): Update date.
579 (struct gcc_target.speculate_insn): Change type of the second parameter
581 * lists.c (Copyright): Update date.
582 (alloc_DEPS_LIST): Change signature. Update reference to the second
583 operand of the DEPS_LIST.
584 (copy_DEPS_LIST_list): Update reference to the second operand of the
586 * rtl.h (Copyright): Update date.
587 (alloc_DEPS_LIST): Update signature.
588 * sched-int.h (Copyright): Update date.
589 (ds_t): Change typedef to 'int'.
590 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
592 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
594 * haifa-sched.c (Copyright): Update date.
595 (try_ready): Change condition to restore non-speculative pattern
597 (process_insn_depend_be_in_spec): Code to keep probability of the
598 speculative dependence non-decreasing.
600 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
602 * regrename.c (replace_oldest_value_addr): Initialize a variable to
603 shut up the compiler.
605 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
607 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
608 to use lib prefix for target.
609 ($(T)libic_invalidate_array_4-200.a): Likewise.
610 ($(T)libic_invalidate_array_4a.a): Likewise.
612 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
613 J"orn Rennecke <joern.rennecke@st.com>
615 * superh.opt: New file.
616 * sh.c (boardtype, osruntime): Remove.
617 * superh.h (SUBTARGET_OPTIONS): Remove.
618 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
620 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
621 arguments with ^ and/or [].
623 * config.gcc (sh-*-*): Add quoting to account for quirk of
625 Replace == with = in enable_incomplete_targets test.
627 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
628 with MASK_LITTLE_ENDIAN.
630 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
631 * config/sh/sh.opt: Added to some comments.
632 * config/sh/superh.h: Removed some chaff.
634 * config/sh/sh.opt: Add m4-[1234]00* options.
635 * config/sh/sh.c (sh_handle_option): Likewise.
636 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
637 (ic_invalidate_array_4-100.o): New rule.
638 ($(T)libic_invalidate_array_4-100.a): Likewise.
639 (ic_invalidate_array_4-200.o): Likewise.
640 ($(T)libic_invalidate_array_4-200.a): Likewise.
641 (ic_invalidate_array_4a.o): Likewise.
642 ($(T)libic_invalidate_array_4a.a): Likewise.
643 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
644 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
646 * config/sh/crt1.asm: Merged in profiling code.
647 * config/sh/superh.h (STARTFILE_SPEC): Override.
648 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
649 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
650 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
652 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
653 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
654 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
656 * sh.opt (mpretend-cmove): New option.
657 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
658 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
659 (movsicc): Add TARGET_PRETEND_CMOVE code.
661 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
663 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
664 s390_class_max_nregs): New function prototypes.
665 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
666 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
667 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
668 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
670 2006-03-26 Geoffrey Keating <geoffk@apple.com>
672 * dwarf2out.c (add_location_or_const_value_attribute): Call
673 tree_add_const_value_attribute if nothing else works.
674 (reference_to_unused): New.
675 (rtl_for_decl_init): Use reference_to_unused to decide whether
676 to output an initializer.
678 2006-03-27 Alan Modra <amodra@bigpond.net.au>
681 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
682 peephole removing spe frob_di_df_2.
684 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
686 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
687 (subscript_dependence_tester_1): Declared.
688 (print_dir_vectors, print_dist_vectors): New.
689 (debug_data_dependence_relation): New.
690 (dump_data_dependence_relation): Print more details.
691 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
692 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
693 (save_dist_v, save_dir_v, add_outer_distances,
694 build_classic_dist_vector_1): New.
695 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
696 Don't test for lambda_vector_lexico_pos.
697 (same_access_functions, add_multivariate_self_dist,
698 add_other_self_distances, dir_from_dist): New.
699 (build_classic_dir_vector): Replace implementation almost identical to
700 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
702 (subscript_dependence_tester_1): New.
703 (subscript_dependence_tester): Handle the lexicographically negative
704 distance vectors by recomputing the dependence relation.
705 (compute_affine_dependence): Remove parameter loop_nest_depth.
706 (compute_self_dependence): Don't call compute_subscript_distance.
707 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
708 Add a parameter for the loop_nest.
709 (find_loop_nest_1, find_loop_nest): New.
710 (compute_data_dependences_for_loop): Compute the loop nest, and give
711 up if the nest is not well formed.
712 * tree-data-ref.h (loop_p): New.
713 (struct data_dependence_relation): Replace size_vect field with
714 loop_nest, a vec of loops.
715 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
716 (DDR_LOOP_NEST): New.
717 (print_dir_vectors, print_dist_vectors,
718 debug_data_dependence_relation): Declared.
719 (index_in_loop_nest): New.
720 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
721 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
724 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
726 * simplify-rtx.c (simplify_relational_operation): Call
727 simplify_relational_operation_1 even if mode is VOIDmode.
729 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
731 PR tree-optimization/26804
732 * tree.h (DECL_CALL_CLOBBERED): New macro.
733 (tree_decl_common): Add call_clobbered_flag.
734 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
735 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
736 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
737 (mark_non_addressable): Ditto.
738 * tree-ssa.c (verify_call_clobbered): New function.
739 (verify_alias_info): Use it.
740 * tree-pass.h (pass_reset_cc_flags): New prototype.
741 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
742 (reset_cc_flags): New function.
743 * passes.c (init_optimization_passes): Call reset_cc_flags after
744 initializing referenced_vars.
746 2006-03-25 Uros Bizjak <uros@kss-loka.si>
747 Roger Sayle <roger@eyesopen.com>
750 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
751 to 1.0 for non-real operands. Implement A / A optimization for
754 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
756 * config/i386/i386.c (size_cost): Correct the comment for
757 cost of storing fp registers.
758 (i386_cost): Likewise.
759 (i486_cost): Likewise.
760 (pentium_cost): Likewise.
761 (pentiumpro_cost): Likewise.
763 (athlon_cost): Likewise.
765 (pentium4_cost): Likewise.
766 (nocona_cost): Likewise.
767 (generic64_cost): Likewise.
768 (generic32_cost): Likewise.
770 2006-03-24 Denis Chertykov <denisc@overta.ru>
772 * config/avr/avr-protos.h (extra_constraint): Delete.
773 (extra_constraint_Q): New declaration.
774 * config/avr/constraints.md: New file.
775 * config/avr/avr.md: Include it.
776 (REG_X, REG_Y, REG_Z, REG_W): New constants.
777 (TMP_REGNO, ZERO_REGNO): Likewise.
778 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
779 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
780 (extra_constraint): Delete.
781 (extra_constraint_Q): Test for memory constraint 'Q'.
782 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
783 (REG_CLASS_FROM_LETTER): Delete.
784 (CONST_OK_FOR_LETTER_P): Delete.
785 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
786 (EXTRA_CONSTRAINT): Delete.
788 (ZERO_REGNO): Delete.
790 2006-03-24 Jeff Law <law@redhat.com>
792 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
793 directly. Call mark_new_vars_to_rename slightly earlier.
795 2006-03-24 Geoffrey Keating <geoffk@apple.com>
797 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
799 (gen_compile_unit_die): Use new language types for Objective-C and
801 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
805 * config/t-darwin (crt3.o): Work around bug 26840.
806 * config/darwin-crt3.c: Rewrite.
807 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
809 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
811 * doc/invoke.texi: Document -femit-class-debug-always
812 * common.opt: Add -femit-class-debug-always.
814 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
816 * config/s390/s390.c (s390_decompose_address): Allow SImode for
817 index and base register.
818 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
819 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
820 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
821 REGNO_OK_FOR_INDEX_P.
822 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
824 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
825 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
826 REG_OK_FOR_BASE_P): Definitions removed.
828 2006-03-24 Jakub Jelinek <jakub@redhat.com>
831 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
832 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
833 set yet or weren't marked as local yet.
835 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
837 * regrename.c (scan_rtx_address): Initialize a variable to shut up
840 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
842 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
843 (rs6000_legitimate_small_data_p): Delete.
844 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
845 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
846 and make static. Add forward declaration. Update uses.
847 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
848 of offsettable_memref_p.
849 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
850 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
852 2006-03-24 Jeff Law <law@redhat.com>
854 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
855 around bug in immediate-use iterator.
857 2006-03-24 Alan Modra <amodra@bigpond.net.au>
860 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
861 or __LITTLE_ENDIAN__.
863 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
865 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
866 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
867 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
868 * config/sh/sh.opt (mdiv=): Amend description.
869 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
870 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
871 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
872 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
873 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
874 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
875 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
876 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
877 TARGET_DIVIDE_CALL_FP.
879 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
881 * haifa-sched.c (choose_ready): Fix type of the local variable.
882 Move local variables. Add comment.
883 (check_reg_live): Change signature. Make callable from debugger.
884 * sched-int.h (check_reg_live): Update signature.
885 * sched-ebb.c (check_reg_live): Update parameters.
886 * sched-rgn.c (check_reg_live): Ditto.
887 (region_head_or_leaf_p): Check pointer before dereferencing.
888 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
889 before reload on optimization levels below 1.
891 2006-03-23 Richard Henderson <rth@redhat.com>
893 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
897 * config/alpha/predicates.md (local_symbolic_operand): Reject
900 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
903 * tree-ssa-pre.c (create_value_expr_from): Don't reject
904 expressions which have overflowed constants.
906 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
908 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
910 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
912 * cfgloopmanip.c (create_loop_notes): Removed.
913 * final.c (final_scan_insn): Do not handle loop notes.
914 * jump.c (squeeze_notes): Ditto.
915 * cfglayout.c (skip_insns_after_block,
916 duplicate_insn_chain): Ditto.
917 * cfgcleanup.c (rest_of_handle_jump2): Do not call
919 * cfgloop.h (create_loop_notes): Declaration removed.
921 2006-03-23 Richard Sandiford <richard@codesourcery.com>
923 * varasm.c (output_constant_pool): Restore fnname and fndecl
925 (assemble_start_function): Adjust call accordingly.
926 (assemble_end_function): Likewise.
928 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
931 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
934 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
936 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
939 * system.h (ICE_EXIT_CODE): New macro.
940 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
941 (diagnostic_action_after_output): Likewise.
942 * gcc.c (fatal_ice): New function.
943 (execute): Use it instead of fatal.
944 (fancy_abort): Likewise.
945 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
947 2006-03-22 Jeff Law <law@redhat.com>
949 * loop-unroll.c (analyze_iv_to_split_insn): Handle
950 iv_analyze_result returning false.
952 2006-03-22 Jie Zhang <jie.zhang@analog.com>
954 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
956 2006-03-22 Richard Henderson <rth@redhat.com>
959 * except.c (duplicate_eh_regions_0): New.
960 (duplicate_eh_region_1): Duplicate the children of the node as
961 well as the node itself. Link them up properly.
962 (duplicate_eh_region_2): Merge into ...
963 (duplicate_eh_regions): ... here. Take copy_region argument, and
964 copy only a sub-tree if asked. Simplify copying and fixup.
965 (eh_region_outer_p): New.
966 * except.h (duplicate_eh_regions): Update decl.
967 (eh_region_outer_p): Declare.
968 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
969 (lower_omp_master): Likewise.
970 (lower_omp_ordered): Likewise.
971 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
972 (move_stmt_r): Use it to remap labels. Handle recursion vs
973 remap_decls_p properly.
974 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
975 (find_outermost_region_in_block): New.
976 (new_label_mapper): New.
977 (move_sese_region_to_fn): Copy eh information to the new function
979 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
981 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
984 2006-03-22 Richard Sandiford <richard@codesourcery.com>
986 * doc/md.texi (-mshared): Mention that -mshared code can be linked
987 into shared libraries.
989 2006-03-22 Richard Sandiford <richard@codesourcery.com>
991 * doc/md.texi: Refer to i386/constraints.md instead of
993 * config/i386/constraints.md: New file, extracted from...
994 * config/i386/predicates.md: ...here.
995 * config/i386/i386.md: Include constraints.md.
997 2006-03-21 Jason Merrill <jason@redhat.com>
999 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1002 * expr.c (init_block_move_fn): Force default visibility.
1003 (init_block_clear_fn): Likewise.
1004 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1005 * targhooks.c (default_external_stack_protect_fail): Likewise.
1007 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1009 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1010 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1011 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1012 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1013 (loadgp): Use mips_current_loadgp_style.
1014 (loadgp_noshared): New pattern.
1015 (sibcall_internal): Use MIPS_CALL.
1016 (sibcall_value_internal): Likewise.
1017 (sibcall_value_multiple_internal): Likewise.
1018 (call_internal): Likewise.
1019 (call_value_internal): Likewise.
1020 (call_value_multiple_internal): Likewise.
1021 (call_split): Use MIPS_CALL and add an 'S' constraint.
1022 (call_value_split): Likewise.
1023 (call_value_multiple_split): Likewise.
1024 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1025 (-mshared): New option.
1026 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1027 (mips_current_loadgp_style): Declare.
1028 * config/mips/mips.c (mips_classify_symbol): Avoid using
1029 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1030 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1031 TARGET_ABSOLUTE_ABICALLS.
1032 (override_options): Adjust comments. Improve the warning that is
1033 issued when -mabicalls and -G are used together.
1034 (mips_file_start): Remove comment.
1035 (mips_current_loadgp_style): New function.
1036 (mips_gnu_local_gp): New variable.
1037 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1039 (mips_output_function_prologue): Use mips_current_laodgp_style.
1040 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1041 the cprestore instruction.
1042 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1043 live for TARGET_ABSOLUTE_ABICALLS.
1044 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1045 (ASM_SPEC): Pass down -mshared and -mno-shared.
1046 (MIPS_CALL): New macro.
1047 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1049 * doc/invoke.texi (-mabicalls): Update documentation.
1050 (-mshared): Document.
1052 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1054 * config/ia64/unwind-hpux.c: New file.
1055 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1057 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1060 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1062 2006-03-21 Jeff Law <law@redhat.com>
1064 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1065 type conversions of a VR_VARYING source to a wider type.
1067 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1069 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1070 tm_file on Solaris 10 and later.
1071 (sparc64-*-solaris2*): Likewise.
1072 (sparc-*-solaris2*): Likewise.
1073 * config/sol26.h: Rename to config/sol2-6.h.
1074 * config/sol2-10.h: New file.
1076 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1079 * tree-ssa-pre.c (create_component_ref_by_pieces):
1082 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1085 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1086 return it immediately.
1088 2006-03-21 Michael Matz <matz@suse.de>
1090 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1092 (remove_arc, add_arc): Update num_out_arcs member.
1093 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1095 (cache_presence): New function.
1096 (compare_states_for_equiv): New function.
1097 (state_is_differed): Don't take number of outargs, adjust callers.
1098 Use new invariant for speeding up.
1099 (init_equiv_class): Create initial classes based on sorted
1101 (partition_equiv_class): Don't track out_arcs_num.
1102 (evaluate_equiv_classes): Call cache_presence on all states and
1105 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1107 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1108 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1109 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1110 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1112 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1113 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1114 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1115 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1116 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1118 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1119 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1120 (REGNO_REG_CLASS): ARGP is in PREGS.
1121 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1123 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1124 to deal with those addresses.
1125 * addresses.h: New file.
1126 * caller-save.c: Include "addresses.h".
1127 (init_caller_save): Use new base_reg_class function.
1128 * rtl-factoring.c: Include "addresses.h".
1129 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1130 * recog.c: Include "addresses.h".
1131 (preprocess_constraints): Use new base_reg_class function.
1132 * regrename.c: Include "addresses.h".
1133 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1134 functions. Keep track of a new var INDEX_CODE to compute valid
1136 (replace_oldest_value_addr): Likewise.
1137 (replace_oldest_value_mem): Use base_reg_class.
1138 * reload.c: Include "addresses.h".
1139 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1140 (find_reloads): Use new base_reg_class function.
1141 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1142 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1143 all callers and prototype changed.
1144 * reload1.c: Include "addresses.h".
1145 (maybe_fix_stack_asms): Use base_reg_class.
1146 * regclass.c: Include "addresses.h".
1147 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1148 (init_reg_autoinc): Use new base_reg_class function.
1149 (record_reg_classes): Likewise.
1150 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1151 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1152 Use new args to compute necessary class.
1154 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1155 regrename.o, rtl-factoring.o): Update dependencies.
1156 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1157 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1158 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1159 REG_OK_FOR_INDEX_P): Delete documentation.
1161 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1163 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1164 from V7 to V9 for Solaris 7 and above.
1166 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1168 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1169 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1170 argument pointers may not alias any other storage.
1171 * common.opt: Define option -fargument-noalias-anything.
1172 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1173 alias semantics is specified by flag_argument_noalias > 2.
1175 2006-03-20 Jeff Law <law@redhat.com>
1177 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1178 (pass_phi_only_cprop): Declare.
1179 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1181 * tree-ssa-dom.c (degenerate_phi_result): New function.
1182 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1183 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1184 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1185 (eliminate_degenerate_phis): Likewise.
1186 (pass_phi_only_cprop): New pass descriptor.
1187 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1188 support code. Callers updated.
1189 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1190 (store_copy_prop): Likewise.
1191 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1193 2006-03-20 Jason Merrill <jason@redhat.com>
1196 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1197 (push_visibility, pop_visibility): Likewise.
1198 * c-pragma.h: Declare them.
1200 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1202 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1204 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1205 parameter and use get_ebb_head_tail.
1206 (sh_md_init_global): Adjust uses of find_regmode_weight.
1208 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1210 * function.h (struct function) <x_tail_recursion_reentry>:
1211 Rename to x_stack_check_probe_note.
1212 (tail_recursion_reentry): Rename to stack_check_probe_note.
1213 * function.c: Replace tail_recursion_reentry with
1214 stack_check_probe_note everywhere.
1215 (expand_function_start): Only emit a note for
1216 stack_check_probe_note with -fstack-protect.
1217 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1219 * emit-rtl.c (remove_unnecessary_notes): Remove.
1220 (pass_remove_unnecessary_notes): Remove.
1221 * rtl.h (remove_unnecessary_notes): Remove prototype.
1222 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1223 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1224 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1226 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1229 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1230 (valid_in_set): Handle ARRAY_REF.
1231 Change "if min_variant or VH" to asserts.
1232 (create_component_ref_by_pieces): Handle ARRAY_REF.
1233 (create_expression_by_pieces): Likewise.
1234 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1236 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1238 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1239 is operand of switch, not str[0].
1241 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1243 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1244 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1246 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1248 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1249 end of insn_extra_address_constraint declaration.
1251 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1253 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1254 (no-sum-in-toc): Same.
1255 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1257 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1258 NO_FP_IN_TOC for -fPIC instead of mask.
1260 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1261 (BOOT_LDFLAGS): Delete.
1263 * config/rs6000/t-aix52: Same.
1265 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1266 (stmsi[345678]_power): New.
1268 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1270 * config/ia64/ia64.opt: Add empty line to end of file.
1272 2006-03-17 Richard Guenther <rguenther@suse.de>
1275 * builtins.c (get_pointer_alignment): For component style references
1276 adjust alignment to the component type alignment. Make sure
1277 to adjust alignment for component access of constants.
1279 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1281 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1284 2006-03-17 Paul Brook <paul@codesourcery.com>
1286 * doc/install.texi: Docuemnt --with-mode.
1287 * config.gcc: Add --with-mode for arm*-*-*.
1288 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1290 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1292 * sh.c (max_labelno_before_reorg): New variable.
1293 (sh_reorg): Initialize it.
1294 (find_barrier): Check max_labelno_before_reorg before using
1295 label_to_alignment. Take length of explicit alignment insns
1296 into account. When seeing a UNSPECV_CONST_END, return it.
1298 * sh.c (fixup_mova): Set mode of affected label to QImode.
1299 (untangle_mova): New function.
1300 (find_barrier): Use it. Check mode of label before decrementing
1302 (sh_reorg): Likewise.
1303 Set mode of all insns back to VOIDmode.
1305 * sh.c (MOVA_LABELREF): New macro.
1306 (mova_p, fixup_mova, sh_reorg): Use it.
1307 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1308 ADDR_DIFF_VEC matches mova.
1310 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1312 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1313 with ATTRIBUTE_UNUSED.
1315 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1317 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1318 pointer, instead of assuming it is possible to derive the
1319 correct args size from a call insn.
1321 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1323 * rtl.h (CONST_INT_P): Define.
1324 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1325 instead of GET_CODE(x) == CONST_INT.
1326 (vax_rtx_costs): Likewise.
1327 (vax_output_int_move): Likewise.
1328 (vax_output_int_add): Likewise.
1329 (legitimate_constant_address_p): Likewise.
1330 (index_term_p): Likewise.
1331 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1332 * config/vax/vax.md (and<mode>3): Likewise.
1333 (ashrsi3): Likewise.
1335 (movstricthi): Likewise.
1336 (movstrictqi): Likewise.
1337 (rotrsi3): Likewise.
1338 (five unnamed insns): Likewise.
1340 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1342 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1343 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1344 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1345 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1346 Pass to ASM_OUTPUT_DWARF_OFFSET.
1347 * dwarf2out.c (debug_frame_section): New.
1348 (output_call_frame_info): Use debug_frame_section. Pass it to
1349 dw2_asm_output_offset.
1350 (output_die): Pass appropriate section to dw2_asm_output_offset.
1351 (output_compilation_unit_header): Likewise.
1352 (output_pubnames): Likewise.
1353 (output_aranges): Likewise.
1354 (enum dw_val_class): Break dw_val_class_lbl_offset into
1355 dw_val_class_lineptr and dw_val_class_macptr.
1356 (add_AT_lbl_offset): Delete.
1357 (add_AT_lineptr): New.
1358 (add_AT_macptr): New.
1359 (AT_lbl): Expect a lineptr or macptr.
1360 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1361 (attr_checksum): Likewise.
1362 (same_dw_val_p): Likewise.
1363 (size_of_die): Likewise.
1364 (value_format): Likewise.
1365 (output_die): Likewise.
1366 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1368 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1369 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1370 * config/darwin-protos.h (darwin_file_start): New.
1371 (darwin_asm_output_dwarf_offset): New.
1372 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1373 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1375 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1376 if not EH section; simplify.
1377 (darwin_file_start): New.
1378 (darwin_asm_output_dwarf_offset): New.
1379 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1381 (DEBUG_INFO_SECTION): Likewise.
1382 (DEBUG_ABBREV_SECTION): Likewise.
1383 (DEBUG_ARANGES_SECTION): Likewise.
1384 (DEBUG_MACINFO_SECTION): Likewise.
1385 (DEBUG_LINE_SECTION): Likewise.
1386 (DEBUG_LOC_SECTION): Likewise.
1387 (DEBUG_PUBNAMES_SECTION): Likewise.
1388 (DEBUG_STR_SECTION): Likewise.
1389 (DEBUG_RANGES_SECTION): Likewise.
1390 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1391 (ASM_OUTPUT_DWARF_OFFSET): New.
1393 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1395 * config.gcc (tm_defines): Always add to previous value rather
1398 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1400 * config/mips/predicates.md (splittable_const_int_operand): New,
1401 split from move_operand.
1402 (splittable_symbolic_operand): New.
1403 (move_operand): Add commentary. Use splittable_const_int_operand.
1404 Inline mips_atomic_symbolic_constant_p.
1405 * config/mips/mips.md: Add combine splitters for handling moves
1406 of splittable_const_int_operands and splittable_symbolic_operands.
1407 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1408 (mips_split_symbol): Declare.
1409 (mips_move_integer): Declare.
1410 * config/mips/mips.c (mips_split_p): Make global.
1411 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1412 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1413 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1414 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1415 (mips_offset_within_object_p): Handle block symbols.
1416 (mips_atomic_symbolic_constant_p): Delete.
1417 (mips_cannot_force_const_mem): Return false for constants that
1418 mips_legitimize_move can handle.
1419 (mips_use_blocks_for_constant_p): New function.
1420 (mips_split_symbol): Make global.
1421 (mips_move_integer): Likewise. Add a temporary register argument.
1422 (mips_legitimize_const_move): Use splittable_const_int_operand and
1423 splittable_symbolic_operand.
1424 (mips_use_anchors_for_symbol_p): New function.
1425 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1426 (mips_split_p): Declare.
1428 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1430 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1431 (mips*-*-linux*): Likewise.
1433 2006-03-16 Roger Sayle <roger@eyesopen.com>
1434 Daniel Speyer <dspeyer@wam.umd.edu>
1437 * tree-dump.c (dump_real): New function.
1438 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1439 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1440 (tree-dump.o): Add $(REAL_H) to the dependencies.
1442 2006-03-16 Roger Sayle <roger@eyesopen.com>
1445 * real.c (real_from_string): If the mantissa is zero, don't bother
1446 parsing the exponent as the result should always be zero.
1448 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1450 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1452 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1454 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1455 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1456 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1457 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1458 ia64_sched_finish_global): New static functions to implement
1459 hooks from gcc_target.sched.
1460 (spec_check_no, max_uid, pending_data_specs): New static variables.
1461 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1462 ia64_spec_check_src_p): New static functions.
1463 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1464 (TARGET_SCHED_ADJUST_COST): Removed.
1465 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1466 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1467 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1468 TARGET_SCHED_GEN_CHECK,
1469 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1470 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1471 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1472 Fixed to handle speculation checks.
1473 (rtx_needs_barrier): Fixed to handle speculative loads and
1475 (ia64_variable_issue): Added code to count speculative loads and their
1477 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1479 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1481 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1483 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1484 (ia64_reorg): Reset stops_p to NULL after it is freed.
1485 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1486 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1487 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1489 (data_speculative, control_speculative, check_load): New attributes.
1490 (mov<mode>_advanced, mov<mode>_speculative,
1491 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1492 zero_extend<mode>di2_speculative,
1493 zero_extend<mode>di2_speculative_advanced): New patterns for
1494 data and control speculative loads.
1495 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1497 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1498 New pattern for data and control speculation checks.
1499 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1500 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1501 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1502 Auxiliary definitions for the patterns.
1503 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1504 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1506 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1508 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1509 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1510 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1511 New resource constraints.
1512 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1514 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1515 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1516 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1517 msched-in-control-spec, msched-ldc, msched-control-ldc,
1518 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1519 msched-prefer-non-control-spec-insns,
1520 msched-count-spec-in-critical-path): New flags to tune speculative
1522 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1523 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1524 msched-in-control-spec, msched-ldc, msched-control-ldc,
1525 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1526 msched-prefer-non-control-spec-insns,
1527 msched-count-spec-in-critical-path): Document new flags.
1529 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1531 * target.h (struct spec_info_def): New opaque declaration.
1532 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1533 speculate_insn, needs_block_p, gen_check,
1534 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1535 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1536 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1537 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1538 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1539 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1541 (TARGET_SCHED): Use new macros.
1542 * rtl.h (copy_DEPS_LIST_list): New prototype.
1543 * sched-int.h (struct sched_info): Change signature of new_ready field,
1544 adjust all initializations. New fields: add_remove_insn,
1545 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1546 region_head_or_leaf_p.
1547 (struct spec_info_def): New structure declaration.
1548 (spec_info_t): New typedef.
1549 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1550 recovery_block, orig_pat.
1551 (glat_start, glat_end): New variables declaraions.
1552 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1554 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1555 DETACH_LIFE_INFO, USE_GLAT.
1556 (enum SPEC_SCHED_FLAGS): New enumeration.
1557 (NOTE_NOTE_BB_P): New macro.
1558 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1559 attach_life_info, debug_spec_status, check_reg_live): New functions.
1560 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1561 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1563 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1564 * ddg.c (get_block_head_tail): Adjust all uses.
1565 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1566 (sms_sched_info): Initialize new fields.
1567 (contributes_to_priority): Removed.
1568 * haifa-sched.c (params.h): New include.
1569 (get_block_head_tail): Adjust all uses.
1570 (ISSUE_POINTS): New macro.
1571 (glat_start, glat_end): New global variables.
1572 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1573 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1574 old_last_basic_block, before_recovery, current_sched_info_var,
1575 rgn_n_insns, luid): New static variables.
1576 (insn_cost1): New function. Move logic from insn_cost to here.
1577 (find_insn_reg_weight1): New function. Move logic from
1578 find_insn_reg_weight to here.
1579 (reemit_notes, move_insn, max_issue): Change signature.
1580 (move_insn1): Removed.
1581 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1582 extend_bb): New static functions to support extension of scheduler's
1584 (generate_recovery_code, process_insn_depend_be_in_spec,
1585 begin_speculative_block, add_to_speculative_block,
1586 init_before_recovery, create_recovery_block, create_check_block_twin,
1587 fix_recovery_deps): New static functions to support
1588 generation of recovery code.
1589 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1590 restore_bb_notes, move_block_after_check, move_succs): New static
1591 functions to support ebb scheduling.
1592 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1593 functions to support handling of register live information.
1594 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1595 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1596 add_jump_dependencies): New static functions.
1597 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1598 consistancy checking.
1599 (debug_spec_status): New function to call from debugger.
1600 (priority): Added code to handle speculation checks.
1601 (rank_for_schedule): Added code to distinguish speculative instructions.
1602 (schedule_insn): Added code to handle speculation checks.
1603 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1604 Fixed to handle ebbs.
1605 (move_insn): Added code to handle ebb scheduling.
1606 (max_issue): Added code to use ISSUE_POINTS of instructions.
1607 (choose_ready): Added code to choose between speculative and
1608 non-speculative instructions.
1609 (schedule_block): Added code to handle ebb scheduling and scheduling of
1610 speculative instructions.
1611 (sched_init): Initialize new variables.
1612 (sched_finish): Free new variables. Print statistics.
1613 (try_ready): Added code to handle speculative instructions.
1614 * lists.c (copy_DEPS_LIST_list): New function.
1615 * sched-deps.c (extend_dependency_caches): New function. Move logic
1616 from create_dependency_caches to here.
1617 (get_dep_weak, ds_merge): Make global.
1618 * genattr.c (main): Code to output prototype for
1619 dfa_clear_single_insn_cache.
1620 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1621 (output_dfa_clean_insn_cache_func): Code to output
1622 dfa_clear_single_insn_cache function.
1623 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1625 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1627 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1628 New static variables.
1629 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1630 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1632 (ebb_sched_info): Initialize new fields.
1633 (get_block_head_tail): Adjust all uses.
1634 (compute_jump_reg_dependencies): Fixed to use glat_start.
1635 (schedule_ebb): Code to remove unreachable last block.
1636 (schedule_ebbs): Added code to update register live information.
1637 * sched-rgn.c (region_sched_info): Initialize new fields.
1638 (get_block_head_tail): Adjust all uses.
1639 (last_was_jump): Removed. Adjust users.
1640 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1641 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1642 Implement new hooks.
1643 (check_dead_notes1): New static function.
1644 (struct region): New fields: dont_calc_deps, has_real_ebb.
1645 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1646 (BB_TO_BLOCK): Fixed to handle EBBs.
1647 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1648 (ebb_head): New static variable.
1649 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1650 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1652 (compute_dom_prob_ps): New assertion.
1653 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1654 global_live_at_start.
1655 (init_ready_list): New assertions.
1656 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1657 (new_ready): Add support for BEGIN_CONTROL speculation.
1658 (schedule_insns): Fixed code that updates register live information
1660 (schedule_region): Fixed to handle EBBs.
1661 (init_regions): Use extend_regions and check_dead_notes1.
1662 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1663 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1664 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1665 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1666 TARGET_SCHED_GEN_CHECK,
1667 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1668 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1669 * doc/invoke.texi (max-sched-insn-conflict-delay,
1670 sched-spec-prob-cutoff): Document.
1672 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1674 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1675 inter_tick, queue_index.
1676 (struct sched_info): Change signature of init_ready_list field.
1677 Adjust all initializations.
1678 (RESOLVED_DEPS): New access macro.
1679 (ready_add): Remove prototype.
1680 (try_ready): Add prototype.
1681 * sched-rgn.c (init_ready_list): Use try_ready.
1682 (schedule_region): Initialize
1683 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1684 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1685 (init_ready_list): Use try_ready.
1686 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1687 * lists.c (remove_list_elem): Remove `static'.
1688 (remove_free_INSN_LIST_elem): New function.
1689 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1690 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1691 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1693 (readyp): New variable.
1694 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1695 change_queue_index, resolve_dep): New static functions.
1696 (try_ready): New function. Adjust callers in sched-rgn.c and
1697 sched-ebb.c to use it instead of ready_add.
1698 (clock_var): Move at the begining of file.
1699 (rank_for_schedule): Fix typo.
1700 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1701 (ready_lastpos): Enforce assertion.
1702 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1704 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1705 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1706 (queue_to_ready): Use free_INSN_LIST_list.
1707 (early_queue_to_ready): Fix typo.
1708 (schedule_block): Init readyp. Move init_ready_list call after the
1709 initialization of clock_var. Fix error in rejecting insn by
1710 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1711 that previously corrected INSN_TICKs. Add code for handling
1713 (set_priorities): Fix typo.
1714 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1715 Clarify comment and code that keeps current_sched_info->next_tail
1718 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1720 * sched-rgn.c (extend_rgns): New static function.
1721 (find_rgns): Use it.
1722 (gather_region_statistics, print_region_statistics): New static
1724 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1725 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1727 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1728 Andrey Belevantsev <abel@ispras.ru>
1730 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1731 * lists.c (unused_deps_list): New variable.
1732 (free_list): Add assertions to verify the proper distinguishing
1733 between INSN_LISTs and DEPS_LISTs.
1734 (find_list_elem, remove_list_elem, remove_list_node): New static
1736 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1737 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1738 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1739 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1741 (free_INSN_LIST_node): Likewise.
1742 * modulo-sched.c (current_sched_info): Initialize flags field.
1743 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1744 * rtl.def (DEPS_LIST): Define.
1745 * rtl.h: Declare new functions from lists.c.
1746 * sched-deps.c (spec_dependency_cache): New static variable.
1747 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1748 (add_dependence): Change return type to void. Move the logic to ...
1749 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1750 (delete_all_dependences): Add comment about forward_dependency_cache.
1751 Handle spec_dependency_cache. Handle DEPS_LISTs.
1752 (fixup_sched_groups): Clarify the change of priority of output
1753 and anti dependencies.
1754 (sched_analyze_2): Adjust add_dependence calls to create data
1755 speculative dependence.
1756 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1757 Adjust all callers. Handle DEPS_LISTS.
1758 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1759 presence of speculation.
1760 (init_dependency_caches, free_dependency_caches):
1761 Handle spec_dependency_cache.
1762 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1763 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1764 New static functions.
1765 (add_or_update_back_dep, add_or_update_back_forw_dep,
1766 add_back_forw_dep, delete_back_forw_dep): New functions.
1767 * sched-int.h (ds_t, dw_t): New typedefs.
1768 (struct sched_info): Add new field flags.
1769 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1770 Prototype new sched-deps.c functions.
1771 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1772 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1773 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1774 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1775 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1776 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1778 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1780 * sched-rgn.c (current_sched_info): Initialize flags field.
1781 (schedule_insns): Initialize current_sched_info before the sched_init
1783 * sched-ebb.c (current_sched_info): Initialize flags field.
1784 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1785 Call add_or_update_back_dep instead of add_dependence.
1786 Create control speculative dependencies.
1787 (schedule_insns): Initialize current_sched_info before the sched_init
1790 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1792 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1794 (sh_fallback_frame_state): Likewise.
1796 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1798 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1799 Do switch on default_use_cxa_atexit.
1800 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1801 * config/darwin-crt3.o: New.
1802 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1803 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1804 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1806 * config/rs6000/t-darwin: Move crt2.o building to here.
1807 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1808 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1811 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1813 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1814 from '! xxx' to '!xxx' for coding-style conformance.
1815 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1816 (EXTRA_CONSTRAINT): Likewise.
1817 * config/vax/vax.md (four unnamed insns): Likewise.
1819 2006-03-15 Paul Brook <paul@codesourcery.com>
1821 * config/arm/arm.c (minipool_pad): New.
1822 (add_minipool_forward_ref): Include pool alignment padding in address
1824 (push_minipool_fix): Set minipool_pad.
1825 (minipool_pad): Ditto.
1827 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1829 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1830 instead of GET_CODE() == MEM and REG_P() instead of
1832 (print_operand_address): Likewise.
1833 (vax_address_cost): Likewise.
1834 (vax_rtx_costs): Likewise.
1835 (vax_notice_update_cc): Likewise.
1836 (vax_output_int_add): Likewise.
1837 (INDEX_REGISTER_P): Likewise.
1838 (BASE_REGISTER_P): Likewise.
1839 (nonindexed_address_p): Likewise.
1840 (vax_mode_dependent_address_p): Likewise.
1841 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1842 (PRINT_OPERAND): Likewise.
1843 * config/vax/vax.md (ashlsi3): Likewise.
1844 (ashlsi3): Likewise.
1845 (some more unnamed insns): Likewise.
1847 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1849 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1850 iterator-style macro.
1851 (mark_control_dependent_edges_necessary): Update the use of
1852 EXECUTE_IF_CONTROL_DEPENDENT.
1854 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1856 * config/sh/predicates.md (cache_address_operand): Special.
1857 (ua_address_operand): Likewise.
1859 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1861 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1863 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1865 2006-03-15 Andreas Schwab <schwab@suse.de>
1867 * gensupport.c (identify_predicable_attribute): Don't free p_false
1868 when it is still in use.
1870 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1872 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1873 the default setting here.
1875 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1877 * tree-pass.h (pass_cfg): Remove.
1878 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1879 * passes.c (pass_cfg): Don't run it.
1881 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1883 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1884 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1886 (stack_regs_mentioned): Update the uses of
1887 stack_regs_mentioned_data. Don't access the array beyond its
1889 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1890 Don't include gt-reg-stack.h.
1892 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1893 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1895 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1898 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1901 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1903 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1905 2006-03-14 Richard Guenther <rguenther@suse.de>
1907 PR tree-optimization/26672
1908 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1911 2006-03-14 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/26667
1914 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1915 node for the callees. Always allow inlining if it will shrink
1918 2006-03-14 Richard Guenther <rguenther@suse.de>
1921 * builtins.c (get_pointer_alignment): Prefer alignment
1922 information from decls over that from types.
1924 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1927 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1929 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1931 * config/rs6000/rs6000.opt (mdlmzb): New option.
1932 (msched-prolog, msched-epilog): Use Var not Mask.
1933 * doc/invoke.texi (-mdlmzb): Document.
1934 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1936 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1937 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1939 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1941 PR rtl-optimization/25739
1942 * bt-load.c (augment_live_range): Free tos pointer.
1944 * gensupport.c (identify_predicable_attribute): Free
1946 * gcov.c (create_file_names): Free name pointer.
1948 2006-03-13 Roger Sayle <roger@eyesopen.com>
1951 * stmt.c (emit_case_nodes): Handle the case where the index is a
1952 CONST_INT, where the comparison mode is specified by the index type.
1954 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1956 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1959 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1961 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1962 (*branch_fp_inverted): Likewise.
1964 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1967 * omp-low.c (expand_omp_for_generic): Mark istart0
1968 and iend0 as addressable.
1970 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1972 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1974 2006-03-13 Jeff Law <law@redhat.com>
1976 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1977 virtual operands are interesting.
1978 (vrp_visit_stmt): Corresponding changes.
1980 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1982 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1984 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1985 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1986 * config/bfin/crti.S: Use it instead of __PIC__.
1987 * config/bfin/crtn.S: Likewise.
1989 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1990 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1992 Lose 'G' modifier for call operand.
1993 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1994 recognize 'G' modifier.
1996 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1999 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2000 * stmt.c (expand_case): Likewise.
2002 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2004 PR rtl-optimization/26254
2005 * loop-invariant.c (seq_insns_valid_p): New function.
2006 (move_invariant_reg): Only emit new code if it is valid.
2008 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2010 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2012 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2013 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2014 (commit_one_edge_insertion): Do not look for loop notes.
2016 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2018 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2019 flag_test_coverage out of loop.
2021 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2023 * final.c (shorten_branches): Remove outdated comment, and turn
2024 the if branch that guards it to continue.
2026 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2028 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2029 * cfgloop.h (struct loop): Remove unused fields.
2031 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2033 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2034 (-dL, -fdump-rtl-loop2): Update the dump file names
2036 * doc/invoke.texi: Update dump file names.
2038 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2040 * predict.c (estimate_probability): Remove.
2041 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2042 * basic-block.h (estimate_probability): Remove prototype.
2043 * passes.c (finish_optimization_passes): Dump branch prediction or
2044 profiling heuristics to the .profile tree dump.
2045 (init_optimization_passes): Unqueue pass_branch_prob.
2047 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2049 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2051 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2052 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2054 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2056 * function.h (frame_offset_overflow): Declare.
2057 * function.c (frame_offset_overflow): New function.
2058 (assign_stack_local_1): Call it to detect that the offset overflows.
2059 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2061 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2063 * config/sh/sh.c: Include alloc-pool.h.
2064 (label_ref_list_pool): New alloc pool.
2065 (label_ref_list_t): New type for lists of labels.
2066 (struct pool_node): Make wend a label_ref_list_t.
2067 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2069 (dump_table): Likewise.
2070 (sh_reorg): Set up the alloc pool before using add_constant and
2071 dump_table, and destroy it when finishing.
2073 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2075 * config/mips/mips.c: Remove redundant comment.
2077 2006-03-10 Jason Merrill <jason@redhat.com>
2080 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2081 the target was declared 'register'.
2083 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2085 * genpreds.c (write_insn_constraint_len): Change definition of
2086 insn_constraint_len to return size_t to match the declaration.
2088 2006-03-10 DJ Delorie <dj@redhat.com>
2090 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2092 (m32c_expand_insv): Fix test for an AND mask.
2094 2006-03-10 Richard Guenther <rguenther@suse.de>
2097 * builtins.c (get_pointer_alignment): Handle component
2098 references for field alignment.
2100 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2102 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2103 when building with libgloss.
2104 (sh*elf): Implement --without-fp option.
2105 (sh64-superh-linux*): Don't multilib.
2107 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2109 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2111 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2113 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2114 Set it when one of the replacement functions returned true.
2115 Return TODO_cleanup_cfg if cfgchanged is true.
2116 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2118 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2120 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2121 instead of gen_lowpart.
2123 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2125 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2127 (mips_output_order_conditional_branch): Declare.
2128 * config/mips/mips.h (MIPS_BRANCH): New macro.
2129 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2130 for the comparison. Use gen_condjump.
2131 (mips_output_conditional_branch): Rework interface to take the
2132 asm templates for a direct branch and the inverse of a direct branch.
2133 (mips_output_order_conditional_branch): New function.
2134 (mips_builtin_branch_and_move): New function.
2135 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2136 branch condition. Use gen_single_cc as the condition for
2137 __builtin_mips_upper_* or __builtin_mips_lower_*.
2138 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2139 Use VOIDmode for the branch condition.
2140 * config/mips/predicates.md (order_operator): New predicate.
2141 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2142 (branch_fp): Rename to...
2143 (*branch_fp): ...this. Remove mode from comparison operator.
2144 Use new mips_output_conditional_branch interface.
2145 (branch_fp_inverted): Rename to...
2146 (*branch_fp_inverted): ...this and update as for *branch_fp.
2147 (*branch_zero<mode>): Rename to...
2148 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2149 Use mips_output_order_conditional_branch. Only accept ordered
2151 (*branch_zero<mode>_inverted): Rename to...
2152 (*branch_order<mode>_inverted): ...this and update as for
2153 *branch_order<mode>.
2154 (*branch_equality<mode>): Accept zero as the second operand to
2155 the equality operator. Use the new mips_output_conditional_branch
2157 (*branch_equality<mode>_inverted): Likewise.
2158 (condjump): New expander.
2159 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2161 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2162 (bc1any2t, bc1any2f): Likewise.
2163 (single_cc): New expander.
2164 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2166 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2168 * doc/md.texi: Update documentation of MIPS constraints.
2169 * config/mips/constraints.md: New file.
2170 * config/mips/mips.md: Include it.
2171 * config/mips/mips.c (mips_char_to_class): Delete.
2172 (override_options): Don't initialize mips_char_to_class.
2173 * config/mips/mips.h (mips_char_to_class): Delete.
2174 (REG_CLASS_FROM_LETTER): Delete.
2175 (CONST_OK_FOR_LETTER_P): Delete.
2176 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2177 (EXTRA_CONSTRAINT_Y): Delete.
2178 (EXTRA_CONSTRAINT_STR): Delete.
2179 (CONSTRAINT_LEN): Delete.
2180 (EXTRA_MEMORY_CONSTRAINT): Delete.
2182 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2184 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2185 original fn's eh regions.
2187 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2189 * fold-const.c (build_range_check): Make sure to use a valid type to
2190 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2193 (range_predecessor): New static function.
2194 (range_successor): Likewise.
2195 (merge_ranges): Use them to compute predecessors and successors of
2198 2006-03-09 Roger Sayle <roger@eyesopen.com>
2201 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2202 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2204 2006-03-08 DJ Delorie <dj@redhat.com>
2206 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2207 (addpsi3): Expand to include memory operands. Remove
2208 reload-specific splits.
2209 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2210 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2211 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2212 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2213 (shift1_qi, shift1_hi, insv): New.
2214 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2215 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2216 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2218 * config/m32c/m32c-protos.h: Update as needed.
2219 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2220 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2221 Fail for unrecognized R* constraints.
2222 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2223 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2224 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2226 (m32c_init_libfuncs): New.
2227 (m32c_legitimate_address_p): Add debug wrapper.
2228 (m32c_rtx_costs): New.
2229 (m32c_address_cost): New.
2230 (conversions): Add 'B' prefix.
2231 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2232 operands, or word regnames for QI operands. 'B' prints bit
2234 (m32c_expand_setmemhi): New.
2235 (m32c_expand_movmemhi): New.
2236 (m32c_expand_movstr): New.
2237 (m32c_expand_cmpstr): New.
2238 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2239 (m32c_expand_neg_mulpsi3): Handle non-ints.
2240 (m32c_cmp_flg_0): New.
2241 (m32c_expand_movcc): New.
2242 (m32c_expand_insv): New.
2243 (m32c_scc_pattern): New.
2244 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2245 a0/a1 out of SIregs.
2246 (STORE_FLAG_VALUE): New.
2247 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2250 * config/m32c/mov.md: Make constraints more liberal.
2251 (zero_extendqihi2): Optimize r0/r1 case.
2252 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2253 * config/m32c/predicates.md (m32c_any_operand): New.
2254 (m32c_nonimmediate_operand): New.
2255 (m32c_hl_operand): New.
2256 (m32c_r3_operand): New.
2259 (memsym_operand): New.
2260 (memimmed_operand): New.
2261 (a_qi_operand): New.
2262 (m32c_eqne_operator): New.
2263 (m32c_1bit8_operand): New.
2264 (m32c_1bit16_operand): New.
2265 (m32c_1mask8_operand): New.
2266 (m32c_1mask16_operand): New.
2267 * config/m32c/blkmov.md: New file.
2268 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2270 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2272 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2273 unsigned to fix signed/unsigned comparison issue in
2274 DWARF2_FRAME_REG_OUT.
2275 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2276 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2278 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2279 of ptr into the ENABLE_CHECKING section.
2281 2006-03-08 Jeff Law <law@redhat.com>
2283 * tree-vrp.c (infer_value_range): Only count pointer uses
2284 and dereferences if -fdelete-null-pointer-checks is enabled.
2286 * tree-vrp.c (find_assert_locations): Infer value ranges for
2287 single use pointers, but do not create ASSERT_EXPRs for them.
2288 When a non-null range is inferred for a pointer, backwards
2289 propagate that range to other equivalent pointers through the
2292 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2295 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2296 language hook targets.
2297 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2298 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2299 if language hook targets were missing.
2301 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2303 * tree-ssa-opfinalize.h: Removed.
2304 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2306 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2307 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2308 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2309 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2310 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2311 finalize_ssa_v_must_def_ops): New.
2313 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2315 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2318 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2320 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2322 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2323 addresses with offsets; reorganize.
2325 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2326 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2327 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2329 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2332 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2334 2006-03-08 Ben Elliston <bje@au.ibm.com>
2336 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2338 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2341 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2344 2006-03-07 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/26587
2347 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2349 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2351 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2353 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2355 * hooks.c (hook_bool_mode_rtx_true): New function.
2356 * hooks.h (hook_bool_mode_rtx_true): Declare.
2357 * toplev.c (compile_file): Call output_shared_constant_pool.
2358 * varasm.c (shared_constant_pool): New variable.
2359 (assemble_start_function, assemble_end_function): Remove arguments
2360 from call to output_constant_pool.
2361 (create_constant_pool): New function, split out from...
2362 (init_varasm_status): ...here.
2363 (force_const_mem): Choose between the shared and per-function constant
2364 pools. Set current_function_uses_const_pool when reusing old entries
2365 as well as when creating new ones.
2366 (mark_constant): Ignore data argument.
2367 (mark_constants): Remove pool argument.
2368 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2369 to decide whether the function uses a constant pool.
2370 (output_constant_pool_contents): New function, split out from...
2371 (output_constant_pool): ...here.
2372 (output_shared_constant_pool): New function.
2373 (init_varasm_once): Initialize shared_constant_pool.
2374 * output.h (output_constant_pool): Delete.
2375 (output_shared_constant_pool): Declare.
2376 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2377 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2379 2006-03-06 Nick Clifton <nickc@redhat.com>
2381 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2382 flag_strength_reduce.
2384 2006-03-06 Ben Elliston <bje@au.ibm.com>
2386 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2387 x86_64-*-linux* configurations.
2389 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2390 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2392 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2394 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2396 * basic-block.h: Remove the extern for
2397 rediscover_loops_after_threading.
2399 * cfgloop.c (cancel_loop): Make it static.
2400 * cfgloop.h: Remove the prototype for cancel_loop.
2402 * flow.c (recompute_reg_usage): Make it static.
2403 * rtl.h: Remove the prototype for recompute_reg_usage.
2405 * function.c (use_return_register): Make it static.
2406 * function.h: Remove the prototype.
2408 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2410 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2412 * recog.h: Remove the prototype for
2413 validate_change_maybe_volatile.
2415 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2417 * rtlanal.c (replace_reg): Remove.
2418 * rtl.h: Remove the prototype for replace_reg.
2420 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2422 * regclass.c (reg_scan_update): Remove.
2423 (reg_scan_mark_refs): Remove the last argument.
2424 * rtl.h: Remove the prototype for reg_scan_update.
2426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2428 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2429 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2430 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2431 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2432 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2433 loop-invariant.c, omp-low.c, opts.c, passes.c,
2434 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2435 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2436 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2437 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2438 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2439 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2441 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2443 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2444 * dwarf2out.h: Remove the prototype for
2445 dwarf2out_add_library_unit_info.
2447 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2449 * tree.c (add_var_to_bind_expr): Remove.
2450 * tree.h: Remove the prototype for add_var_to_bind_expr.
2452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2454 * regclass.c (n_non_fixed_regs): Remove.
2455 (init_reg_sets_1, globalize_reg): Remove all uses of
2457 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2459 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2461 * rtlanal.c (insns_safe_to_move_p): Remove.
2462 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2464 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2466 * expmed.c (expand_mult_add): Remove.
2467 * expr.h: Remove the prototype for expand_mult_add.
2469 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2471 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2472 and REG_SAVED_VAL_EXP constants.
2473 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2474 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2475 Handle regs stored by value.
2476 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2477 (execute_cfa_program): Handle DW_CFA_val_offset,
2478 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2479 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2480 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2481 (uw_install_context_1): Handle target regs stored by value.
2483 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2485 * tree-sra.c (tree_sra): Return todoflags;
2486 (generate_one_element): Set TODO_update_smt_usage if needed.
2487 (pass_sra): Remove TODO_update_smt_usage.
2488 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2490 (tree_ssa_forward_propagate_single_use_vars): Return
2491 TODO_update_smt_usage if we need to update SMT usage.
2492 (pass_forwprop): Remove TODO_update_smt_usage.
2494 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2496 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2497 (correct_use_link): Remove reference to get_stmt_operands.
2498 (update_stmt_operands): Likewise.
2499 (get_modify_expr_operands): New function factored out of
2500 parse_ssa_operands and get_expr_operands.
2501 Try to create V_MUST_DEFs for LHS by default.
2502 (get_expr_operands) <case MODIFY_EXPR>: Call
2503 get_modify_expr_operands.
2504 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2505 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2506 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2507 get_modify_expr_operands.
2509 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2511 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2512 * tree-flow.h: Remove the prototype for
2513 referenced_var_lookup_if_exists.
2515 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2517 PR rtl-optimization/26345
2519 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2521 2006-03-03 Roger Sayle <roger@eyesopen.com>
2523 PR tree-optimization/26524
2524 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2525 fold_convert to create a constant of the appropriate type.
2527 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2529 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2530 SYMBOL_REF_IN_BLOCK_P.
2531 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2532 of SYMBOL_FLAG_IN_BLOCK.
2533 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2534 instead of SYMBOL_REF_IN_BLOCK_P.
2535 * explow.c (use_anchored_address): Likewise.
2536 * rtl.c (rtx_size): Likewise.
2537 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2538 instead of SYMBOL_FLAG_IN_BLOCK.
2539 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2540 SYMBOL_REF_IN_BLOCK_P.
2541 (assemble_variable): Likewise.
2542 (output_constant_def_contents): Likewise.
2543 (output_constant_pool): Likewise.
2544 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2545 instead of SYMBOL_FLAG_IN_BLOCK.
2546 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2547 SYMBOL_REF_IN_BLOCK_P.
2548 (SYMBOL_REF_BLOCK): Likewise.
2549 (SYMBOL_REF_OFFSET): Likewise.
2550 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2551 SYMBOL_REF_IN_BLOCK_P.
2552 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2553 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2554 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2555 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2557 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2559 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2561 2006-03-02 Roger Sayle <roger@eyesopen.com>
2563 * simplify-rtx.c (simplify_unary_operation): When simplifying
2564 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2565 that we perform the right shift in the appropriate mode, and
2566 then extend or truncate the result to requested mode.
2568 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2570 * gengtype.c (main): Handle double_int type.
2571 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2572 * double-int.c: New file.
2573 * double-int.h: New file.
2574 * system.h: Include doubleint.h.
2575 * Makefile.in (SYSTEM_H): Include double-int.h.
2576 (double-int.o): Add.
2578 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2581 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2584 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2586 * tree-vrp.c (remove_range_assertions): Do not update statements
2589 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2591 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2593 * gcse.c (rest_of_handle_gcse): Ditto.
2594 * except.c (gate_handle_eh): Ditto.
2595 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2596 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2598 2006-03-02 Eric Christopher <echristo@apple.com>
2600 * config/i386/i386.c (machopic_output_stub): Add indirection to
2603 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2607 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2609 Sun Niagara specific optimizations.
2610 * config.gcc: Recognize niagara as target.
2611 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2612 (TARGET_CPU_niagara): Define.
2613 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2614 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2615 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2616 (ASM_CPU_SPEC): Likewise.
2617 (PROCESSOR_NIAGARA): New enum entry.
2618 (REGISTER_MOVE_COST): Handle Niagara.
2619 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2620 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2621 (sparc_override_options): Recognize "niagara", set appropriate
2622 default MASK_* values for it, and align functions to 32-bytes
2623 by default just like ULTRASPARC/ULTRASPARC3.
2624 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2625 (sparc64_initialize_trampoline): Likewise.
2626 (sparc_use_sched_lookahead): Use zero for niagara.
2627 (sparc_issue_rate): Use one for niagara.
2628 * config/sparc/niagara.md: New file.
2629 * config/sparc/sparc.md: Include it.
2630 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2631 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2632 when default cpu is niagara.
2633 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2634 (ASM_CPU_SPEC): Likewise.
2635 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2636 when default cpu is niagara.
2637 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2638 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2639 just like v9/ultrasparc/ultrasparc3.
2640 * doc/invoke.texi: Add documentation for "niagara" and improve
2641 existing documentation for ultrasparc variants.
2643 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2645 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2647 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2649 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2650 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2651 and say that only one is needed.
2652 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2653 * target.h (have_switchable_bss_sections): New hook.
2654 * explow.c (use_anchored_address): Check that the symbol is in a block.
2655 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2656 (bss_noswitch_section): New variables.
2657 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2658 (get_noswitch_section): New function.
2659 (get_block_for_section): Allow SECT to be null.
2660 (unlikely_text_section_p): Use SECTION_STYLE.
2661 (bss_initializer_p): New function.
2662 (get_variable_section): Move earlier in file. Take a new argument,
2663 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2664 Return one of the new *_sections in such cases.
2665 (get_block_for_decl): New function, extracting some logic from
2666 use_blocks_for_decl_p.
2667 (change_symbol_section): Remove in favor of...
2668 (change_symbol_block): ...this new function.
2669 (use_blocks_for_decl_p): Remove checks now performed by
2671 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2672 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2673 (emit_local, emit_bss, emit_common): ...these new functions.
2674 Return true if the alignment was honored.
2675 (emit_tls_common): New function.
2676 (asm_emit_uninitialised): Delete.
2677 (assemble_variable_noswitch): New function, split out from...
2678 (assemble_variable): ...here. Don't make decisions about common
2679 variables here. Globalize all public decls that go into non-common
2680 sections. Check whether SYMBOL_REF_BLOCK is null.
2681 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2682 (output_constant_pool): Likewise.
2683 (init_varasm_once): Initialize the new section variables.
2684 (have_global_bss_p): New function.
2685 (categorize_decl_for_section): Use bss_initializer_p.
2686 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2687 (place_block_symbol): Assert that the symbol must be in a block.
2688 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2689 (TARGET_INITIALIZER): Include it.
2690 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2691 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2692 (SECTION_MACH_DEP): Bump by two.
2693 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2694 (unnamed_section): Mention SECTION_UNNAMED in comment.
2695 (named_section): Likewise SECTION_NAMED.
2696 (noswitch_section_callback): New type.
2697 (noswitch_section): New structure.
2698 (section): Add a noswitch_section alternative.
2699 (SECTION_STYLE): New macro.
2700 (tls_comm_section, comm_section, lcomm_section): Declare.
2701 (bss_noswitch_section, have_global_bss_p): Declare.
2702 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2703 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2705 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2706 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2709 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2711 * gcc/tree-vrp.c (execute_vrp): Return value.
2712 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2713 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2714 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2715 (tree_lower_complex_O0): Ditto.
2716 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2717 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2718 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2719 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2720 (execute_tail_calls): Ditto.
2721 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2722 * gcc/tree.h (init_function_for_compilation): Ditto.
2723 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2724 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2725 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2726 * gcc/final.c (compute_alignments): Ditto.
2727 (rest_of_handle_final): Ditto.
2728 (rest_of_handle_shorten_branches): Ditto.
2729 (rest_of_clean_state): Ditto.
2730 * gcc/omp-low.c (execute_expand_omp): Ditto.
2731 (execute_lower_omp): Ditto.
2732 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2733 * gcc/ipa-reference.c (static_execute): Ditto.
2734 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2735 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2736 (rest_of_handle_machine_reorg): Ditto.
2737 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2738 * gcc/flow.c (recompute_reg_usage): Ditto.
2739 (rest_of_handle_remove_death_notes): Ditto.
2740 (rest_of_handle_life): Ditto.
2741 (rest_of_handle_flow2): Ditto.
2742 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2743 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2744 (do_ssa_store_ccp): Ditto.
2745 (execute_fold_all_builtins): Ditto.
2746 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2747 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2748 * gcc/ipa-pure-const.c (static_execute): Ditto.
2749 * gcc/cse.c (rest_of_handle_cse): Ditto.
2750 (rest_of_handle_cse2): Ditto.
2751 * gcc/web.c (rest_of_handle_web): Ditto.
2752 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2753 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2754 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2755 * gcc/tree-nrv.c (tree_nrv): Ditto.
2756 (execute_return_slot_opt): Ditto.
2757 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2758 (create_structure_vars): Ditto.
2759 * gcc/loop-init.c (rtl_loop_init): Ditto.
2760 (rtl_loop_done): Ditto.
2761 (rtl_move_loop_invariants): Ditto.
2762 (rtl_unswitch): Ditto.
2763 (rtl_unroll_and_peel_loops): Ditto.
2764 (rtl_doloop): Ditto.
2765 * gcc/gimple-low.c (lower_function_body): Ditto.
2766 (mark_used_blocks): Ditto.
2767 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2768 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2769 (cgraph_early_inlining): Ditto.
2770 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2771 * gcc/jump.c (cleanup_barriers): Ditto.
2772 (purge_line_number_notes): Ditto.
2773 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2774 (rest_of_handle_if_after_reload): Ditto.
2775 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2776 (tree_ssa_loop_im): Ditto.
2777 (tree_ssa_loop_unswitch): Ditto.
2778 (tree_vectorize): Ditto.
2779 (tree_linear_transform): Ditto.
2780 (tree_ssa_loop_ivcanon): Ditto.
2781 (tree_ssa_empty_loop): Ditto.
2782 (tree_ssa_loop_bounds): Ditto.
2783 (tree_complete_unroll): Ditto.
2784 (tree_ssa_loop_prefetch): Ditto.
2785 (tree_ssa_loop_ivopts): Ditto.
2786 (tree_ssa_loop_done): Ditto.
2787 * gcc/predict.c (tree_estimate_probability): Ditto.
2788 * gcc/recog.c (split_all_insns_noflow): Ditto.
2789 (rest_of_handle_peephole2): Ditto.
2790 (rest_of_handle_split_all_insns): Ditto.
2791 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2792 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2793 (rest_of_handle_stack_adjustments): Ditto.
2794 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2795 * gcc/function.c (instantiate_virtual_regs): Ditto.
2796 (init_function_for_compilation): Ditto.
2797 (rest_of_handle_check_leaf_regs): Ditto.
2798 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2799 (rest_of_handle_gcse): Ditto.
2800 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2801 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2802 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2803 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2804 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2805 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2806 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2807 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2808 * gcc/except.c (set_nothrow_function_flags): Ditto.
2809 (convert_to_eh_region_ranges): Ditto.
2810 (rest_of_handle_eh): Ditto.
2811 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2812 (remove_unnecessary_notes): Ditto.
2813 * gcc/except.h (set_nothrow_function_flags): Ditto.
2814 (convert_to_eh_region_ranges): Ditto.
2815 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2816 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2817 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2818 (execute_fre): Ditto.
2819 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2820 (rest_of_handle_jump2): Ditto.
2821 * gcc/tree-sra.c (tree_sra): Ditto.
2822 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2823 (execute_mudflap_function_decls): Ditto.
2824 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2825 (do_store_copy_prop): Ditto.
2826 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2827 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2828 * gcc/tree-ssa-forwprop.c
2829 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2830 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2831 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2832 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2833 (execute_late_warn_uninitialized): Ditto.
2834 * gcc/rtl.h (cleanup_barriers): Ditto.
2835 (split_all_insns_noflow): Ditto.
2836 (purge_line_number_notes): Ditto.
2837 (unshare_all_rtl): Ditto.
2838 (remove_unnecessary_notes): Ditto.
2839 (recompute_reg_usage): Ditto.
2840 (variable_tracking_main): Ditto.
2841 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2842 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2843 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2844 (execute_free_cfg_annotations): Ditto.
2845 (execute_fixup_cfg): Ditto.
2846 (execute_cleanup_cfg_pre_ipa): Ditto.
2847 (execute_cleanup_cfg_post_optimizing): Ditto.
2848 (execute_init_datastructures): Ditto.
2849 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2850 * gcc/combine.c (rest_of_handle_combine): Ditto.
2851 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2852 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2853 (rest_of_handle_reorder_blocks): Ditto.
2854 (rest_of_handle_partition_blocks): Ditto.
2855 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2856 * gcc/tree-profile.c (tree_profiling): Ditto.
2857 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2858 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2859 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2860 (rest_of_handle_sched2): Ditto.
2861 * gcc/basic-block.h (free_bb_insn): Ditto.
2862 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2863 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2864 (remove_useless_stmts): Ditto.
2865 (split_critical_edges): Ditto.
2866 (execute_warn_function_return): Ditto.
2867 (execute_warn_function_noreturn): Ditto.
2868 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2869 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2870 * gcc/passes.c (execute_one_pass): Run additional
2871 todos returned by execute function.
2872 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2875 2006-03-02 Richard Guenther <rguenther@suse.de>
2877 * tree-ssa-alias.c (find_used_portions): Consider taking
2878 the address as making the variable not write-only.
2880 2006-03-02 Nick Clifton <nickc@redhat.com>
2882 * config.gcc (default_use_cxa_atexit): Extend the description of
2883 this configure variable. Set its default value to "yes" for
2884 Linux, NetBSD and ELF targets on the assumption that they will
2885 use C libraries with the __cxa_atexit function.
2887 2006-03-02 Ben Elliston <bje@au.ibm.com>
2889 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2890 parameter as unused to suppress a build warning.
2892 2006-03-02 Ben Elliston <bje@au.ibm.com>
2894 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2897 2006-03-01 Roger Sayle <roger@eyesopen.com>
2900 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2901 declared name, the weak reference name, and the typeof name.
2902 (__gthrw): Avoid expanding the declared name suffix.
2903 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2905 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2907 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2909 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2910 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2911 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2912 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2913 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2914 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2915 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2916 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2917 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2918 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2919 (DW_END_default, DW_END_big, DW_END_little): New.
2920 (DW_END_lo_user, DW_END_hi_user): Define.
2921 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2922 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2923 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2926 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2928 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2930 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2932 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2934 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2936 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2937 to 'symbol_mem_tag'.
2939 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2942 2006-03-01 Roger Sayle <roger@eyesopen.com>
2944 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2946 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2949 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2950 MACHO_DYNAMIC_NO_PIC_P.
2951 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2953 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2956 * config/darwin-protos.h (darwin_asm_output_anchor):
2958 * config/darwin-sections.def (cstring_section):
2959 Add SECTION_MERGE to the flags.
2960 (literal4_section): Likewise.
2961 (literal8_section): Likewise.
2962 (objc_selector_refs_section): Likewise.
2963 (objc_cls_refs_section): Likewise.
2964 * config/darwin.c (darwin_asm_output_anchor): New
2966 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2968 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2970 Fix PR tree-optimization/26443
2971 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2972 to todo and PROP_tmt_usage to properties_destroyed.
2973 * tree-ssa-ccp.c (pass_ccp): Ditto.
2974 (pass_store_ccp): Ditto.
2975 * tree-ssa-dom.c (pass_dominator): Ditto.
2977 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2979 * tree-ssa-operands.c: Cleanup whitespace.
2980 (get_asm_expr_operands): Move before first invocation.
2981 (get_indirect_ref_operands): Likewise.
2982 (get_tmr_operands): Likewise.
2983 (get_call_expr_operands): Likewise.
2984 (append_def): Likewise.
2985 (append_use): Likewise.
2986 (append_v_may_def): Likewise.
2987 (append_v_must_def): Likewise.
2988 (add_call_clobber_ops): Likewise.
2989 (add_call_read_ops): Likewise.
2990 (add_stmt_operand): Likewise.
2991 (add_virtual_operand): Likewise.
2992 (build_ssa_operands): Likewise.
2994 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2999 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3000 with a call expr to ...
3001 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3003 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3005 * tree-vrp.c (extract_range_from_assert): Remove special
3006 handling for types with super-types.
3008 2006-03-01 Ben Elliston <bje@au.ibm.com>
3010 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3011 and powerpc64-*-linux* configurations.
3012 * config/t-dfprules: New file.
3014 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3015 Compile dfp-bit.c from the source directory using -DWIDTH and
3016 $DFP_CFLAGS to control the compilation of that file, rather than
3017 generating width-specific versions in the build directory.
3018 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3019 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3021 2006-02-28 Zack Weinberg <zackw@panix.com>
3023 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3026 2006-02-28 Eric Christopher <echristo@apple.com>
3028 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3029 Set up IN_LIBGCC definition of TARGET_64BIT.
3030 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3032 2006-02-28 Roger Sayle <roger@eyesopen.com>
3035 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3036 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3037 cases via the construction of "expr != 0".
3039 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3041 * alias.c (alias_invariant, alias_invariant_size): Remove.
3042 (record_base_value): Remove.
3043 (memrefs_conflict_p): Don't look at alias_invariant.
3044 (end_alias_analysis): Don't free it.
3045 * alias.h (record_base_value): Remove prototype.
3047 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3048 Adam Nemet <anemet@caviumnetworks.com>
3050 * rtl.h (truncated_to_mode): Declare it.
3051 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3052 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3053 (RTL_HOOKS_INITIALIZER): Include it.
3054 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3055 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3056 reg_truncated_to_mode.
3057 * rtlanal.c (truncated_to_mode): Define it.
3058 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3060 2006-02-28 Jeff Law <law@redhat.com>
3062 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3063 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3064 the range allowed by TYPE_PRECISION.
3066 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3068 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3070 PR tree-optimization/26419
3071 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3074 2006-02-27 Zack Weinberg <zackw@panix.com>
3076 * doc/md.texi: Fix typo in previous change.
3078 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3082 2006-02-27 Zack Weinberg <zackw@panix.com>
3084 * rtl.def (define_constraint, define_register_constraint)
3085 (define_memory_constraint, define_address_constraint): New MD forms.
3086 * gensupport.c (process_rtx): Put define_constraint etc on the
3088 * genpreds.c (process_define_predicate): Adjust comment. Validate
3089 the name, and call validate_exp to validate the expression.
3090 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3091 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3092 all callers changed.
3093 (validate_exp, needs_variable, struct constraint_data)
3094 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3095 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3096 (const_dbl_constraints, constraint_max_namelen)
3097 (have_register_constraints, have_memory_constraints)
3098 (have_address_constraints, have_address_constraints)
3099 (have_extra_constraints, have_const_int_constraints)
3100 (have_const_dbl_constraints, mangle, add_constraint)
3101 (process_define_constraint, process_define_register_constraint)
3102 (write_enum_constraint_num, write_lookup_constraint)
3103 (write_insn_constraint_len, write_regclass_for_constraint)
3104 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3105 (write_insn_extra_memory_constraint)
3106 (write_insn_extra_address_constraint)
3107 (write_satisfies_constraint_fns): New.
3108 (write_tm_preds_h): If we have new-style constraint definitions,
3109 prototype the functions generated from them, and define the
3110 old constraint interface (still used by generic code) in terms of
3112 (write_insn_preds_c): If we have new-style constraint definitions,
3113 generate all relevant functions from those definitions.
3114 (main): Handle define_constraint etc.
3115 * genoutput.c (struct constraint_data, indep_constraints)
3116 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3117 (mdep_constraint_len): New data structures and functions, defined
3118 #ifdef USE_MD_CONSTRAINTS.
3119 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3120 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3121 use new logic to validate operand constraints against constraint
3123 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3125 * defaults.h: If none of the old-style constraint macros are
3126 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3127 old-style macros; and poison REG_CLASS_FROM_LETTER,
3128 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3130 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3131 * doc/md.texi: Document new constraint-definition mechanism and the
3132 C interface it provides. Remove references to old mechanism
3133 elsewhere in the document.
3134 (Machine Constraints): Use pathnames relative to gcc directory,
3135 i.e. config/ARCH/FILE. Change i386 section to refer to
3136 config/i386/predicates.md; update that section to match docstrings.
3137 * doc/tm.texi: Move all documentation of the old constraint-
3138 definition macros to their own section, clearly mark as obsolete.
3140 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3141 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3143 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3144 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3145 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3147 (splits and peepholes): Use satisfies_constraint_*.
3148 * config/i386/i386.c (memory_address_length)
3149 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3151 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3153 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3154 scalar operation to be put back into the loop.
3156 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3159 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3160 (extract_cie_info): Handle S flag in augmentation string.
3161 (execute_cfa_program): If context->signal_frame, execute also
3162 fs->pc == context->ra instructions.
3163 (uw_frame_state_for): If context->signal_frame, don't subtract one
3164 from context->ra to find FDE.
3165 (uw_update_context_1): Set context->signal_frame to
3167 (_Unwind_GetIPInfo): New function.
3168 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3169 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3171 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3172 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3173 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3174 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3175 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3176 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3177 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3178 x86_64_fallback_frame_state): Set fs->signal_frame.
3179 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3180 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3181 (frob_update_context): Likewise. Workaround missing S flag in
3182 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3183 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3184 Remove the psw_addr + 1 hack.
3186 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3188 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3189 with aggregates here.
3190 (find_func_aliases): Remove code for &<aggregate> from here.
3192 2006-02-26 Roger Sayle <roger@eyesopen.com>
3194 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3195 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3196 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3199 2006-02-26 Roger Sayle <roger@eyesopen.com>
3202 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3204 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3206 * opts.c (decode_options): Do not handle flag_strength_reduce.
3207 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3208 and OPT_fstrength_reduce.
3209 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3210 flag_prefetch_loop_arrays for being nonzero.
3211 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3213 (fprefetch-loop-arrays-rtl): Removed.
3214 (flag_prefetch_loop_arrays): Do not specify the value.
3216 * doc/passes.texi: Update documentation of loop optimizer
3218 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3219 -frerun-loop-opt): Remove.
3221 2006-02-26 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/26421
3224 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3225 in function calls that are ADDR_EXPRs as using the whole structure.
3227 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3229 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3230 * tree-pass.h (pass_loop_optimize): Remove.
3231 * passes.c (pass_loop_optimize): Never run it.
3232 * toplev.c (backend_init): Don't call init_loop.
3233 * opts.c (flag_loop_optimize_set): Remove.
3234 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3235 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3236 the old RTL loop optimizer when profiling enabled.
3237 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3238 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3239 pre-headers for the sake of the old RTL loop optimizer.
3240 * Makefile.in: Remove all references to loop.o.
3242 * doc/invoke.texi: Remove all references to -floop-optimize
3243 and -frerun-loop-opt.
3245 2006-02-26 Zack Weinberg <zackw@panix.com>
3247 * doc/md.texi (Machine Constraints): Refer to all files with paths
3248 relative to gcc directory (i.e. config/CPU/file). Add missing
3249 @table @code ... @end table to M32C subsection.
3251 2006-02-26 Roger Sayle <roger@eyesopen.com>
3253 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3255 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3257 2006-02-26 Roger Sayle <roger@eyesopen.com>
3258 James A. Morrison <phython@gcc.gnu.org>
3261 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3262 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3263 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3264 signedness of the shift operation.
3266 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3268 PR tree-optimization/26359
3269 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3271 2006-02-25 Roger Sayle <roger@eyesopen.com>
3273 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3274 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3275 as X == 0, and some symmetry related transformations.
3276 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3278 2006-02-25 Roger Sayle <roger@eyesopen.com>
3281 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3282 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3283 symmetry related transformations. Fold (X^C1) == C2 as
3286 2006-02-25 Juergen Weigert <jw@suse.de>
3287 Richard Guenther <rguenther@suse.de>
3289 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3291 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3293 * combine.c (gen_lowpart_or_truncate): Call
3294 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3296 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3298 * doc/invoke.texi: Move -fopenmp description to "Options for
3300 Remove reference to -lgomp.
3302 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3304 * doc/install.texi: Require GNU tar version 1.14.
3306 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3308 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3309 * doc/invoke.texi (C++ Dialect Options): Document
3310 -fno-use-cxa-get-exception-ptr.
3311 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3312 * configure: Regenerate.
3313 * c.opt (fuse-cxa-get-exception-ptr): New.
3314 * c-opts.c (c_common_handle_option): Handle
3315 OPT_fuse_cxa_get_exception_ptr.
3316 * c-common.c (flag_use_cxa_atexit): Update documentation.
3317 (flag_use_cxa_get_exception_ptr): New.
3318 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3319 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3321 (C_COMMON_OVERRIDE_OPTIONS): New.
3323 2006-02-24 Roger Sayle <roger@eyesopen.com>
3326 * combine.c (try_combine): Explicitly check whether GET_CODE is
3327 a SET or a CLOBBER, instead on checking that it isn't a USE.
3329 2006-02-24 Roger Sayle <roger@eyesopen.com>
3331 * fold-const.c (fold_comparison): New subroutine of fold_binary
3332 containing transformations common to both the equality and
3333 ordering relational operators, factored out of fold_binary.
3334 (fold_binary): Separate out the equality operators (EQ_EXPR
3335 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3336 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3337 transformations common to both.
3338 (fold_div_compare): Fix latent bugs in the previously unreachable
3339 LT_EXPR and GE_EXPR cases.
3341 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3343 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3344 decl libname for clog to __clog on AIX.
3346 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3348 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3351 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3352 output traceback table for thunks. Localise rs6000_stack_info call.
3354 2006-02-23 Roger Sayle <roger@eyesopen.com>
3355 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3357 * gthr-posix.h (__gthrw): Fix typo in comment.
3359 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3361 * doc/cpp.texi (Character sets): Document that we do support
3362 input files to be in any character set.
3364 2006-02-23 Jeff Law <law@redhat.com>
3366 * tree.h (PHI_ARG_NONZERO): Remove.
3367 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3368 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3369 node to the new node.
3371 PR tree-optimization/26425
3372 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3373 min/max, then assume its varying.
3375 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3377 PR rtl-optimization/26316
3378 * rtlanal.c (enum may_trap_p_flags): New.
3379 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3380 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3381 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3382 (may_trap_after_code_motion_p): New function.
3383 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3384 (find_invariant_insn): Use may_trap_after_code_motion_p.
3385 * rtl.h (may_trap_after_code_motion_p): Declare.
3387 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3389 * emit-rtl.c (immed_double_const): Cleanup.
3391 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3393 Fix PR tree-optimization/26376
3394 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3397 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3400 * gimplify.c (omp_add_variable): Guard variable size decl test with
3401 DECL_SIZE (decl) check.
3403 2006-02-23 Richard Guenther <rguenther@suse.de>
3406 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3407 like aggregate types.
3409 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3411 * configure.ac: Add --with{,out}-long-double-128 configure option.
3412 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3413 * configure: Rebuilt.
3414 * config.in: Rebuilt.
3415 * doc/install.texi (Options specification): Document
3416 --with-long-double-128.
3418 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3419 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3420 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3421 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3423 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3425 * config/s390/s390.c (override_options): Handle
3426 TARGET_DEFAULT_LONG_DOUBLE_128.
3428 * config/alpha/alpha.c (override_options): Handle
3429 TARGET_DEFAULT_LONG_DOUBLE_128.
3431 * config/sparc/sparc.c (sparc_override_options): Handle
3432 TARGET_DEFAULT_LONG_DOUBLE_128.
3434 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3436 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3437 (real-install-headers-tar, real-install-headers-cpio)
3438 (real-install-headers-cp): New targets.
3440 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3442 * tree.h (variable_section): Delete.
3443 * varasm.c (variable_section): Delete.
3445 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3447 * install.texi: Add notes on install.texi2html.
3448 (Building in parallel): Do not use footnotes.
3450 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3453 * doc/install.texi (Configuration): Document --disable-libgomp.
3455 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3457 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3459 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3461 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3462 (vec_extractv2df_0_sse): New.
3464 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3466 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3467 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3468 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3469 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3470 to the result of the expression.
3471 (def_cfa_1): Adjust.
3472 (frame_pointer_cfa_offset): Rename to...
3473 (frame_pointer_fb_offset): ... this. Adjust all uses.
3474 (convert_cfa_to_loc_list): Rename to...
3475 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3476 Pass it on to build_cfa_loc.
3477 (compute_frame_pointer_to_cfa_displacement): Rename to...
3478 (compute_frame_pointer_to_fb_displacement): ... this. New
3479 offset parameter. Use it in computation.
3480 (gen_subprogram_die): Compute cfa_fb_offset with the new
3481 macro, and use it to compute the fb loc list and the
3484 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3486 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3487 replaced with register_operand.
3488 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3489 non-DREG is expensive.
3490 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3491 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3494 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3496 * doc/install.texi2html: Use set -e.
3498 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3500 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3501 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3502 * doc/invoke.texi (-fshared-data): Delete.
3503 * common.opt (fshared-data): Delete.
3504 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3505 (assemble_static_space): Remove #if 0 code.
3506 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3507 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3508 * config/cris/cris.h: Remove FIXME.
3510 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3512 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3515 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3518 * combine.c (simplify_shift_const_1): Disable nested shifts
3519 optimization for vector shifts.
3521 2006-02-20 Roger Sayle <roger@eyesopen.com>
3523 PR tree-optimization/26361
3524 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3525 of unsigned integer types.
3527 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3529 * tree-chrec.c (eq_evolutions_p): New.
3530 * tree-chrec.h (eq_evolutions_p): Declared.
3531 * tree-data-ref.c: Fix formatting.
3532 (datadep_stats, dependence_stats): New.
3534 (print_direction_vector): New.
3535 (dump_data_dependence_relation): Use print_direction_vector.
3536 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3537 (compute_subscript_distance): Static.
3538 (initialize_data_dependence_relation): Static. Get the number
3539 of loops surrounding the references from the callers, and initialize
3540 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3541 base_object_differ_p analyzers.
3542 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3543 compute_overlap_steps_for_affine_1_2,
3544 analyze_subscript_affine_affine): Count the classified dependences.
3545 Print a message when a test failed.
3546 (can_use_analyze_subscript_affine_affine): New.
3547 (analyze_siv_subscript): Compute the data dependences on symbolic
3548 scevs that verify can_use_analyze_subscript_affine_affine.
3549 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3550 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3551 Handle symbolic scevs.
3552 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3554 (subscript_dependence_tester): Moved...
3555 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3556 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3557 DDR_SIZE_VECT instead of getting it in parameter.
3558 (subscript_dependence_tester): ... here. Take as a parameter
3559 loop_nest_depth. Call build_classic_dist_vector and
3560 build_classic_dir_vector.
3561 (compute_affine_dependence): Update subscript_dependence_tester
3562 parameters. Update datadep_stats counters. Call
3563 compute_subscript_distance.
3564 (compute_self_dependence): Save the dist and dir vectors. Call
3565 compute_subscript_distance.
3566 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3567 (compute_all_dependences): Reorder parameters as they were before
3568 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3569 compute_subscript_distance. Update the use of
3570 compute_affine_dependence and initialize_data_dependence_relation.
3571 (find_data_references_in_loop): Handle COMPONENT_REF.
3572 (compute_data_dependences_for_loop): Initialize dependence_stats.
3573 Don't call build_classic_dist_vector and build_classic_dir_vector.
3574 Update the parameters of initialize_data_dependence_relation and
3575 compute_all_dependences. Print the statistics from datadep_stats.
3576 (analyze_all_data_dependences): Static. Not used until the pass for
3577 checking the data dependences is contributed.
3578 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3579 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3580 (initialize_data_dependence_relation, compute_affine_dependence,
3581 analyze_all_data_dependences, compute_subscript_distance): Removed.
3582 (print_direction_vector): New.
3583 * lambda.h (gcd): ... here.
3584 (lambda_vector_gcd): Moved here from gcd_vector.
3585 * lambda-code.c (gcd, gcd_vector): Removed.
3586 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3587 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3589 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3591 * ipa-type-escape.c: Tidy some comments and white space.
3592 * tree-ssa-operands.c: Likewise.
3594 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3597 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3598 (dump_decl_name): Do not walk the decl tree chains.
3599 * tree-pass.h (TDF_CHAIN): Remove.
3601 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3603 * Makefile.in (C): Remove
3605 (.PHONY): Remove C and PROTO
3607 2006-02-20 Roger Sayle <roger@eyesopen.com>
3610 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3611 deprecated CHAR_TYPE tree code.
3613 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3615 * configure.ac (target_list): Add install-info, dvi, html.
3616 * configure: Regenerate.
3618 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3619 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3620 treelang/Make-lang.in: Do not use double-colon rules.
3622 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3624 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3625 (TMT_USED_ALONE): New macro.
3626 * tree-pass.h (PROP_tmt_usage): New property.
3627 (TODO_update_tmt_usage): New todo.
3628 * tree-ssa-alias.c (updating_used_alone): New variable.
3629 (recalculate_used_alone): New function.
3630 (compute_may_aliases): Set updating_used_alone, call
3631 recalculate_used_alone.
3632 * tree-sra.c (pass_sra): Note that this pass destroys
3633 PROP_tmt_usage, and add TODO_update_tmt_usage.
3634 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3635 * tree-flow.h (updating_used_alone): Prototype.
3636 (recalculate_used_alone): Ditto.
3637 * passes.c (execute_todo): Add code to set updating_used_alone,
3638 and call recalculate.
3639 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3640 for clobber if used alone, and add assert to verify used_alone
3643 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3645 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3646 for non tls symbols added.
3647 (legitimize_address): Do nothing for PLUS expressions if one of the
3648 addends is a tls symbol reference.
3650 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3654 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3656 * Makefile.in (BOOTSTRAPPING): New.
3657 (quickstrap): New definition if BOOTSTRAPPING=yes.
3659 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3660 * configure.ac: Substitute all_selected_languages with the languages
3661 that were configured. For all the other variables except
3662 lang_specs_files, include all the languages in the tree.
3663 * configure: Regenerate.
3665 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3666 if there is one. Run the commands to run fixincludes in the same
3669 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3670 * doc/install.texi: Document exact conventions for searching target tools.
3671 Document --with-build-time-tools. Document toplevel bootstrap. Document
3672 something more about building an Ada cross-compiler. Don't list GNU Make
3673 requirements which affect all platforms.
3675 2006-02-19 Roger Sayle <roger@eyesopen.com>
3678 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3679 only equivalent if the have both the same mode and precision.
3681 2006-02-20 Ben Elliston <bje@au.ibm.com>
3683 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3685 2006-02-19 Roger Sayle <roger@eyesopen.com>
3686 Steven Bosscher <stevenb.gcc@gmail.com>
3688 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3689 constant pool references to identify stack mode constants.
3690 * rtlanal.c (constant_pool_constant_p): New predicate to check
3691 whether operand is a floating point constant in the pool.
3692 * rtl.h (constant_pool_constant_p): Prototype here.
3693 * loop.c (scan_loop): Avoid hoisting constants from the constant
3694 pool on STACK_REGS targets.
3695 (load_mems): Likewise.
3696 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3697 loads into x87 registers expensive in terms of register pressure.
3699 2006-02-19 Roger Sayle <roger@eyesopen.com>
3701 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3702 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3704 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3706 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3707 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3709 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3711 * doc/invoke.texi: Document -fipa-pta.
3712 * common.opt: Add ipa-pta option.
3713 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3714 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3715 (do_ds_constraint): Ditto.
3716 (get_constraint_for): Only add to referenced_vars if
3717 referenced_vars exists.
3718 (insert_into_field_list): Rewrite to do this unsorted.
3719 (insert_into_field_list_sorted): Rename old insert_into_field_list
3721 (create_function_info_for): Use insert_into_field_list_sorted.
3722 (create_variable_info_for): Rewrite so it uses unsorted version,
3723 since the field list is sorted.
3724 (intra_create_variable_infos): Only add to referenced_vars if
3725 referenced_vars exists.
3726 (ipa_pta_execute): Init heapvars, and delete when done.
3727 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3729 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3731 * doc/install.texi: Add missing `@samp'.
3733 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3735 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3738 2006-02-18 Mark Wielaard <mark@klomp.org>
3740 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3741 who added new 4.1 features, bug fixes and integration support.
3743 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3746 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3749 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3751 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3752 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3753 (copy_insn_1): Likewise. Don't copy each field individually.
3755 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3757 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3758 * rtl.c (rtx_size): Rename variable to...
3759 (rtx_code_size): ...this.
3760 (rtx_size): New function.
3761 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3762 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3764 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3765 * rtl.h (rtx_code_size): New variable.
3766 (rtx_size): Change from a variable to a function.
3767 (RTX_SIZE): Rename to...
3768 (RTX_CODE_SIZE): ...this.
3771 PR tree-optimization/17106
3772 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3773 (Anchored Addresses): New section.
3774 * doc/invoke.texi (-fsection-anchors): Document.
3775 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3776 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3777 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3778 * hooks.c (hook_bool_mode_rtx_false): New function.
3779 * hooks.h (hook_bool_mode_rtx_false): Declare.
3780 * gengtype.c (create_optional_field): New function.
3781 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3782 SYMBOL_REF_IN_BLOCK_P is true.
3783 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3784 (min_anchor_offset, max_anchor_offset): Likewise.
3785 (use_anchors_for_symbol_p): New hook.
3786 * toplev.c (compile_file): Call output_object_blocks.
3787 (target_supports_section_anchors_p): New function.
3788 (process_options): Check that -fsection-anchors is only used on
3789 targets that support it and when -funit-at-a-time is in effect.
3790 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3791 if the decl doesn't have one.
3792 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3793 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3794 of force_const_mem through use_anchored_address.
3795 (expand_expr_constant): New function.
3796 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3797 calling expand_expr for INDIRECT_REF.
3798 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3799 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3800 * expr.h (use_anchored_address): Declare.
3801 * loop-unroll.c: Don't declare rtx vectors here.
3802 * explow.c: Include output.h.
3803 (validize_mem): Call use_anchored_address.
3804 (use_anchored_address): New function.
3805 * common.opt (-fsection-anchors): New switch.
3806 * varasm.c (object_block_htab, anchor_labelno): New variables.
3807 (hash_section, object_block_entry_eq, object_block_entry_hash)
3808 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3809 (use_blocks_for_decl_p, change_symbol_section): New functions.
3810 (get_variable_section): New function, split out from assemble_variable.
3811 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3812 use_blocks_for_decl_p say so. Use change_symbol_section if the
3813 symbol has already been created.
3814 (assemble_variable_contents): New function, split out from...
3815 (assemble_variable): ...here. Don't output any code for
3816 block symbols; just pass them to place_block_symbol.
3817 Use get_variable_section and assemble_variable_contents.
3818 (get_constant_alignment, get_constant_section, get_constant_size): New
3819 functions, split from output_constant_def_contents.
3820 (build_constant_desc): Create a block symbol if use_object_blocks_p
3821 says so. Or into SYMBOL_REF_FLAGS.
3822 (assemble_constant_contents): New function, split from...
3823 (output_constant_def_contents): ...here. Don't output any code
3824 for block symbols; just pass them to place_section_symbol.
3825 Use get_constant_section and get_constant_alignment.
3826 (force_const_mem): Create a block symbol if use_object_blocks_p and
3827 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3828 (output_constant_pool_1): Add an explicit alignment argument.
3829 Don't switch sections here.
3830 (output_constant_pool): Adjust call to output_constant_pool_1.
3831 Switch sections here instead. Don't output anything for block symbols;
3832 just pass them to place_block_symbol.
3833 (init_varasm_once): Initialize object_block_htab.
3834 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3835 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3836 (place_block_symbol, get_section_anchor, output_object_block)
3837 (output_object_block_htab, output_object_blocks): New functions.
3838 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3839 (TARGET_ASM_OUT): Include it.
3840 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3841 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3842 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3843 (TARGET_INITIALIZER): Include them.
3844 * rtl.c (rtl_check_failed_block_symbol): New function.
3845 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3846 (block_symbol, object_block): New structures.
3847 (rtx_def): Add a block_symbol field to the union.
3848 (BLOCK_SYMBOL_CHECK): New macro.
3849 (rtl_check_failed_block_symbol): Declare.
3850 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3851 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3852 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3853 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3854 * output.h (output_section_symbols): Declare.
3855 (object_block): Name structure.
3856 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3857 (default_use_anchors_for_symbol_p): Declare.
3858 * Makefile.in (RTL_BASE_H): Add vec.h.
3859 (explow.o): Depend on output.h.
3860 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3861 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3862 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3863 (rs6000_use_blocks_for_constant_p): New function.
3865 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3867 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3869 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3872 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3875 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3877 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3881 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3884 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3885 instead of DECL_REGISTER.
3887 2006-02-18 Olivier Hainque <hainque@adacore.com>
3890 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3892 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3895 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3896 * opth-gen.awk: Handle Var and InverseMask together.
3897 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3898 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3899 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3900 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3902 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3903 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3904 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3905 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3906 LINUX_DYNAMIC_LINKER): Define.
3907 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3908 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3910 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3911 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3912 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3914 (TARGET_C99_FUNCTIONS): Don't define.
3915 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3916 GLIBC_DYNAMIC_LINKER.
3917 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3918 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3919 GLIBC_DYNAMIC_LINKER64): Define.
3920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3921 LINUX_DYNAMIC_LINKER64.
3922 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3924 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3926 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3928 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3929 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3930 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3932 and LINUX_DYNAMIC_LINKER32.
3933 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3935 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3937 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3939 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3940 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3941 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3942 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3943 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3944 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3945 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3946 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3947 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3948 LINUX_DYNAMIC_LINKER): Define.
3949 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3950 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3951 GLIBC_DYNAMIC_LINKER64): Define.
3952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3953 LINUX_DYNAMIC_LINKER64.
3954 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3955 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3956 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3957 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3958 LINUX_DYNAMIC_LINKER): Define.
3959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3960 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3961 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3962 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3963 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3964 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3965 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3966 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3967 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3968 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3970 * doc/invoke.texi (-muclibc): Remove caveat about supported
3973 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3975 * doc/cpp.texi (__TIMESTAMP__): Document.
3977 2006-02-17 Roger Sayle <roger@eyesopen.com>
3980 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3981 C is one less than the width of X (and related transformations).
3982 * simplify-rtx.c (simplify_unary_operation_1): Transform
3983 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3984 depending on STORE_FLAG_VALUE, were C is one less then the
3987 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3989 Fix PR tree-optimization/26341
3990 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3991 about NAME_MEMORY_TAG's.
3993 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3996 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3997 with hardware float support, and software float support. Add fcpy
3998 alternative to hardware patterns. Add alternatives to copy between
3999 general and floating-point registers to the 32-bit pattern.
4000 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4001 secondary reload to load a QI or HI mode constant into a floating
4003 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4004 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4006 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4009 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4011 (load_macho_picbase_di): Likewise.
4013 2006-02-16 Jeff Law <law@redhat.com>
4015 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4016 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4017 (ssa_name_nonzero_p): Likewise.
4018 (get_value_range): Return NULL if VRP is not running.
4019 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4020 VRP routines do not discover a range.
4021 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4022 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4023 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4024 (tree_expr_nonnegative_p): Similarly.
4025 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4026 (restore_nonzero_vars_to_original_value): Remove.
4027 (unsafe_associative_fp_binop): Remove.
4028 (tree_ssa_dominator_optimize): Remove initialization and
4029 finalization of nonzero_vars and nonzero_vars_stack.
4030 (dom_opt_initialize_block): No longer push marker on
4032 (dom_opt_finalize_block): No longer call
4033 restore_nonzero_vars_to_original_value.
4034 (record_equivalences_from_phis): No longer look for
4035 nonzero PHI arguments.
4036 (cprop_into_successor_phis): No longer propagate nonzero
4037 property into PHI arguments. Lose unused argument. Caller
4039 (record_equivalences_from_stmt): No longer record nonzero
4040 values for SSA_NAMEs.
4041 (lookup_avail_expr): No longer use nonzero_vars.
4043 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4044 for sizetype when sizetype is unsigned.
4046 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4048 PR rtl-optimization/25603
4049 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4050 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4051 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4052 with new meaning of SETS.
4054 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4059 * config/linux.opt: New file.
4060 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4061 LINUX_DYNAMIC_LINKER): Define.
4062 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4063 * config.gcc (*-*-linux*): Define extra_options.
4064 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4065 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4066 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4067 GLIBC_DYNAMIC_LINKER.
4068 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4069 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4070 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4072 * doc/invoke.texi (GNU/Linux Options): New section.
4074 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4076 * config/sparc/sparc.md (setjmp): Rewrite.
4077 (setjmp_32): Delete.
4078 (setjmp_64): Likewise.
4080 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4082 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4085 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4087 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4090 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4092 PR rtl-optimization/26296
4093 * Makefile.in (loop-invariant.c): Add except.h dependency.
4094 * loop-invariant.c: Include except.h.
4095 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4097 2005-02-16 Paul Brook <paul@codesourcery.com>
4099 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4102 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4104 PR rtl-optimization/25636
4105 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4106 when deciding whether an insn is an initializing insn.
4108 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4110 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4111 (tree_code_size): Ditto.
4112 * tree.h (struct tree_memory_tag): Remove parent_var.
4113 (struct tree_struct_field_tag): New.
4116 (union tree_node): Add sft member.
4117 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4119 (create_sft): Add size and offset argument, set SFT_OFFSET and
4121 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4122 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4123 * tree-flow-inline.h (get_subvar_at): Update for
4124 SFT_OFFSET/SFT_SIZE.
4125 (var_can_have_subvars): Ditto.
4126 (overlap_subvar): Ditto.
4127 * print-tree.c (print_node): Print out interesting things for
4129 * tree-flow.h (struct subvar): Remove offset and size members.
4130 * tree-ssa-operands.c (get_expr_operands): Update for
4131 get_indirect_ref_operands changes.
4132 (get_indirect_ref_operands): Call add_virtual_operand instead of
4133 add_stmt_operand. Only recurse on base var if requested.
4134 (access_can_touch_variable): New function.
4135 (add_stmt_operand): Split virtual operand handling into ...
4136 (add_virtual_operand): Here. Add offset, size, and for_clobber
4137 arguments. Prune alias sets.
4138 (add_call_clobber_ops): Call add_virtual_operand.
4140 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4143 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4145 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4146 than TREE_CODE as index into omp_clause_num_ops array.
4148 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4150 PR rtl-optimization/26184
4151 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4153 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4154 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4155 must_precede, must_follow and tobe_scheduled.
4158 * opts.c (common_handle_option): Free new_option pointer.
4159 * df-core.c (df_analyze): Free postorder pointer.
4161 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4163 * Makefile.in: Fix the examples about the use of stamps
4165 2006-02-15 Michael Matz <matz@suse.de>
4169 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4170 influenced by maximum_field_alignment or DECL_PACKED.
4171 (update_alignment_for_field): Ditto.
4172 (place_field): Ditto.
4173 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4176 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4178 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4179 (debug_flow_info): Pass it.
4180 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4181 * bb-reorder.c (reorder_basic_blocks): Likewise.
4182 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4183 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4184 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4185 * gcse.c (gcse_main, bypass_jumps): Likewise.
4186 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4187 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4188 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4189 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4190 * rtl.h (dump_flow_info): Adjust prototype.
4191 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4192 * var-tracking.c (variable_tracking_main): Likewise.
4193 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4194 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4197 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4199 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4202 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4204 PR tree-optimization/26209
4205 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4206 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4208 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4210 2006-02-14 Roger Sayle <roger@eyesopen.com>
4213 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4214 (X,Y) and the corresponding symmetry related transformations.
4215 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4216 (X,Y) and its symmetry related transformations.
4218 2006-02-14 Roger Sayle <roger@eyesopen.com>
4220 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4223 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4225 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4227 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4230 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4231 support COMDAT group.
4232 * configure: Regenerate.
4234 2006-02-14 Roger Sayle <roger@eyesopen.com>
4239 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4241 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4243 Fix PR tree-optimization/26260
4245 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4247 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4248 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4249 * tree-ssa-structalias.c (create_variable_info_for): Use
4250 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4252 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4254 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4256 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4257 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4258 of the ending condition.
4259 * tree-ssa-loop-manip.c: Include params.h.
4260 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4261 tree_unroll_loop): New functions.
4262 * tree-pass.h (pass_loop_prefetch): Declare.
4263 * loop.c (rest_of_handle_loop_optimize): Test for
4264 -fprefetch-loop-arrays-rtl.
4265 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4266 * timevar.def (TV_TREE_PREFETCH): New timevar.
4267 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4268 pass_loop_prefetch): New.
4269 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4270 (cleanup_tree_cfg_loop): Call scev_reset.
4271 * common.opt (fprefetch-loop-arrays-rtl): Add.
4272 * tree-ssa-loop-prefetch.c: New file.
4273 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4274 (new_temp_expr_table): Initialize expr_vars.
4275 (free_temp_expr_table): Cleanup expr_vars.
4276 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4277 expressions from being merged into one.
4278 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4279 (struct tree_niter_desc): Add control, bound and cmp fields.
4280 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4282 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4283 (tree-cfgcleanup.o): Add SCEV_H dependency.
4284 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4285 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4287 2006-02-14 Richard Guenther <rguenther@suse.de>
4289 PR tree-optimization/26258
4290 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4291 in PHI argument processing.
4293 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4295 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4296 new expression in the requested machine mode.
4298 2006-02-13 Roger Sayle <roger@eyesopen.com>
4300 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4301 directly, instead let do_compare_rtx_and_jump handle this for us.
4302 * expr.c (expand_expr_real_1): Likewise.
4303 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4304 before do_jump_by_parts_greater.
4305 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4306 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4308 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4310 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4312 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4314 PR rtl-optimization/26235
4315 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4316 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4319 2006-02-13 Jeff Law <law@redhat.com>
4321 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4324 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4327 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4328 twice if decl is a builtin. When trying again, call get_callee_fndecl
4329 first to verify it is still a builtin.
4331 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4333 * dwarf2out.c (base_type_die): Don't add AT_name here.
4334 (subrange_type_die): Don't add AT_name here.
4335 (modified_type_die): Rearrange code flow. Do add AT_name here.
4337 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4339 PR rtl-optimization/26247
4340 PR rtl-optimization/26248
4341 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4343 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4345 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4346 * config/fixtfdi.c: Likewise.
4347 * config/fixunstfdi.c: Likewise.
4348 * config/floatditf.c: Likewise.
4350 2006-02-13 Roger Sayle <roger@eyesopen.com>
4353 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4354 into (X,C2) if C1 is a subset of the bits of C2. Transform
4355 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4357 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4359 2006-02-13 Josh Conner <jconner@apple.com>
4362 * varasm.c (function_section): Check for section name before
4363 calling select_section on targets that define
4364 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4365 unlikely_text_section instead of hot_function_section if
4366 first_function_block_is_cold.
4368 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4371 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4373 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4375 PR rtl-optimization/26222
4376 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4377 after tree->rtl expansion.
4378 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4379 before passing it to emit_move_insn.
4381 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4383 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4385 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4386 Clarify documentation.
4387 * c-common.h (warn_write_strings): Remove.
4388 * c-common.c (warn_write_strings): Likewise.
4389 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4392 2006-02-12 Roger Sayle <roger@eyesopen.com>
4395 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4396 (do_jump_parts_zero_rtx): New function renamed from
4397 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4398 (do_jump_parts_equality_rtx): New function split out from
4399 do_jump_parts_equality. Old implementation renamed as above.
4400 Call do_jump_parts_zero_rtx if either operand is zero.
4401 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4402 do all of the heavy lifting.
4403 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4404 calling either do_jump_by_parts_greater_rtx or
4405 do_jump_by_parts_equality_rtx.
4406 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4407 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4408 moved to do_compare_rtx_and_jump, call it directly.
4409 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4410 mode argument. Call do_compare_rtx_and_jump.
4411 (emit_case_nodes): Update calls to do_jump_if_equal.
4413 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4415 PR rtl-optimization/26225
4416 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4418 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4420 PR rtl-optimization/26232
4421 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4423 2006-02-11 Jason Merrill <jason@redhat.com>
4426 * tree-inline.c (declare_return_variable): Just don't use the
4427 modify target if it's a gimple complex reg and the return slot
4430 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4432 * doc/contrib.texi: Update my entry.
4434 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4436 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4438 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4440 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4443 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4445 * doc/invoke.texi (-floop-optimize2): Removed.
4446 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4447 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4448 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4449 * common.opt (floop-optimize2): Removed.
4450 (fmove-loop-invariants): Enabled by default.
4452 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4454 * tree-if-conv.c (combine_blocks): Free the result of
4455 get_loop_exit_edges.
4457 2006-02-10 Jeff Law <law@redhat.com>
4459 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4461 PR tree-optimization/26213
4462 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4463 loop trying to follow SSA_NAME_VALUE chains.
4465 2006-02-10 Richard Guenther <rguenther@suse.de>
4467 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4468 deal with structures that end in implicitly variable sized arrays.
4470 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4472 PR rtl-optimization/24762
4473 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4476 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4478 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4479 (struct ivopts_data): Add regs_used field.
4480 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4481 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4482 instead of loop_data->regs_used;
4483 (free_loop_data): Do not free aux fields for loops.
4484 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4485 and tree_ssa_iv_optimize_finalize.
4487 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4489 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4491 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4494 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4495 computing the effective result type.
4497 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4500 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4501 (tree_overlaps_hard_reg_set): Declare.
4502 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4503 type and signature to match function type expected by walk_tree.
4504 (tree_overlaps_hard_reg_set): New function.
4505 (decl_conflicts_with_clobbers_p): Rename to:
4506 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4507 Use tree_overlaps_hard_reg_set. Changed caller.
4508 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4509 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4510 * cris.c (cris_md_asm_clobbers): Likewise.
4512 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4514 * reload1.c (emit_input_reload_insns): Delete code that tries to
4515 inherit using find_equiv_reg.
4517 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4519 * c-common.h (flag_const_strings): Don't declare.
4520 * c-common.c (flag_const_strings): Remove.
4521 * c.opt (fconst_strings): Remove.
4522 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4523 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4524 (c_common_init_options): Don't set flag_const_strings.
4525 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4527 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4529 * arm.md (tlobits_cbranch): New pattern.
4530 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4531 testing a single bit.
4533 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4536 * tree-ssa-pre.c (create_component_ref_by_pieces):
4537 Handle RETURN_DECL like VAR_DECL.
4539 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4542 * fold-const.c (fold_indirect_ref_1): Fold
4543 "*(foo *)&complexfoo" to "__real__ complexfoo"
4544 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4546 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4548 * tree-flow-inline.h (var_can_have_subvars):
4549 Volatile variables should not have subvariables.
4551 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4554 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4555 multiplying unsigned values.
4558 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4560 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4562 2006-02-08 Jason Merrill <jason@redhat.com>
4565 * tree.def: Elaborate on difference from MODIFY_EXPR.
4566 * doc/c-tree.texi (INIT_EXPR): Likewise.
4567 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4568 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4569 (gimplify_target_expr): Likewise.
4570 (gimplify_cond_expr): Remove target handling.
4571 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4572 (gimplify_expr): Clobber it here.
4573 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4574 Do return slot optimization if we have an INIT_EXPR.
4577 * tree-inline.c (declare_return_variable): Also clear
4578 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4581 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4584 * gimplify.c (gimplify_one_sizepos): Fix typo.
4586 2006-02-08 Jeff Law <law@redhat.com>
4588 PR tree-optimization/21417
4589 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4590 across a backedge if the control statement at the end of the
4591 block is data dependent on other statements in the same block.
4592 (record_temporary_equivalences_from_stmts): Remove over-conservative
4593 test for threading across backedges.
4595 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4596 control statement, handle all three special cases in the same
4597 manner as they all have the same desired solution. No longer
4598 special case edge flag updating when the post dominator is
4601 2006-02-08 Roger Sayle <roger@eyesopen.com>
4603 * tree.def (CHAR_TYPE): Remove.
4604 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4605 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4606 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4607 (gen_string_type_die): Delete unreachable function.
4609 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4610 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4611 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4612 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4613 * builtins.c (type_to_class): Likewise.
4614 * fold-const.c (fold_convert, build_range_check,
4615 merge_ranges): Likewise.
4616 * expr.c (count_type_elements): Likewise.
4617 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4618 * stor-layout.c (layout_type): Likewise.
4619 * ipa-type-escape.c (type_to_consider): Likewise.
4620 * gimplify.c (omp_firstprivatize_type_sizes,
4621 gimplify_type_sizes): Likewise.
4622 * explow.c (promote_mode): Likewise.
4623 * tree-sra.c (is_sra_scalar_type): Likewise.
4624 * varasm.c (output_constant): Likewise.
4625 * tree-inline.c (remap_type_1): Likewise.
4626 * convert.c (convert_to_pointer, convert_to_real,
4627 convert_to_integer, convert_to_complex): Likewise.
4629 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4631 * df-scan.c (df_def_record_1): A set destination may
4632 be a parallel regardless of mode.
4634 2006-02-08 Roger Sayle <roger@eyesopen.com>
4637 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4638 * config/mips/_tilib.c: Remove.
4639 * config/fixtfdi.c: New libgcc source file.
4640 * config/fixunstfdi.c: New source file.
4641 * config/floatditf.c: New source file.
4642 * config/floatunditf.c: New souce file.
4643 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4644 files above instead of config/mips/_tilib.c.
4645 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4647 2006-02-08 Jeff Law <law@redhat.com>
4649 PR tree-optimization/26169
4650 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4653 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4655 * df.h (DF_REG_SIZE): Return the length of the initialized
4658 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4660 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4661 __muldf3): Return a correctly signed zero.
4663 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4665 * passes.c (register_one_dump_file): Accept the current properties
4666 instead of pass number. Adjust call to dump_register. Remove
4668 (register_dump_files): Now a wrapper around...
4669 (register_dump_files_1): ... this one. Do not modify the pass
4671 (next_pass_1): Cosmetic fix.
4672 (execute_todo): Keep second parameter only. Use curr_properties
4673 instead of fetching it from the pass structure. Check and set
4675 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4676 instead of fetching it from the pass structure. Fix calls to
4677 execute_todo. Update curr_properties and initialize .vcg RTL dump
4678 after running the pass. Reset last_verified.
4679 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4681 (FIRST_AUTO_NUMBERED_DUMP): New.
4682 (dump_register): Remove "num" parameter, assign it within the
4684 (get_dump_file_name): Modify template for dumps.
4685 * tree-dump.h (dump_register): Adjust prototype.
4686 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4687 (PROP_trees): Add PROP_gimple_lomp.
4688 (TODO_set_props): New.
4689 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4690 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4691 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4693 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4695 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4696 (sparc64-*-linux*): Likewise.
4697 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4698 * config/sparc/t-linux: New file.
4699 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4700 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4701 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4702 -m32 -mlong-double-128.
4704 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4705 * config/alpha/t-linux: New file.
4706 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4708 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4709 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4710 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4711 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4712 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4713 (CPP_ARCH32_SPEC): Remove.
4715 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4717 PR tree-optimization/26145
4718 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4721 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4724 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4725 >= 240000 when generating code for SOM runtime.
4726 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4727 to $$dyncall when generating code for SOM runtime..
4729 2006-02-07 Dirk Mueller <dmueller@suse.com>
4732 * doc/invoke.texi (-Wsequence-point): Update documentation
4733 that -Wsequence-point is implemented for C++ as well.
4735 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4737 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4738 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4739 (LIB_SPEC): Likewise.
4740 * doc/invoke.texi (SPARC options): Document -pthread.
4742 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4744 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4747 2006-02-07 Roger Sayle <roger@eyesopen.com>
4749 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4750 Correct comment describing BOOLEAN_TYPE.
4752 2006-02-07 Dirk Mueller <dmueller@suse.com>
4754 * c.opt: C++ frontend supports -Wdiv-by-zero.
4755 * c-opts.c (c_common_handle_option): Remove dead case.
4757 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4759 * configure.ac (TLS assembler check): Do not enable TLS by
4760 default on SPARC/Solaris before version 10.
4761 * configure: Regenerate.
4763 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4765 * doc/invoke.texi (xl-compat): Document conversion and support
4768 2006-02-07 Jeff Law <law@redhat.com>
4770 * tree-vrp.c (find_conditional_asserts): Update comments.
4771 (simplify_stmt_for_jump_threading): New.
4772 (identify_jump_threads, finalize_jump_threads): New.
4773 (vrp_finalize): Call identify_jump_threads.
4774 (execute_vrp): Call finalize_jump_threads.
4775 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4776 (vrp_element, vrp_data, vrp_element_p): Remove.
4777 (vrp_hash_elt, vrp_variables_stack): Remove.
4778 (vrp_hash, vrp_eq, record_range): Remove.
4779 (simplify_cond_and_lookup_avail_expr): Remove.
4780 (extract_range_from_cond): Remove.
4781 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4782 (simplify_stmt_for_jump_threading): New.
4783 (dom_thread_across_edge): New wrapper.
4784 (tree_ssa_dominator_optimize): No longer initialize or
4785 finalize any of the VRP datastructures. Remove iteration
4786 step and simplify as a result of removal of iteration step.
4787 (pass_dominator): Perform a cfg cleanup after DOM.
4788 (dom_opt_finalize_block): Use the new common routines
4789 for threading jumps. Simplify stack management slightly.
4790 No longer need to unwind VRP state.
4791 (record_equivalences_from_incoming_edge): No longer record
4793 (eliminate_redundant_computations): No longer call
4794 simplify_cond_and_lookup_avail_expr.
4795 * tree-flow.h (potentially_threadable_block): Prototype.
4796 (thread_across_edge): Likewise.
4797 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4798 (tree-ssa-threadedge.o): Add dependencies.
4799 * tree-ssa-threadedge.c: New file.
4800 * passes.c (init_optimization_passes): Merge PHIs before
4801 calling VRP. Run VRP again late in the SSA optimization pipeline.
4803 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4805 * df-core.c (df_set_blocks): Do not dereference function pointers.
4806 (df_finish1): Likewise.
4807 (df_hybrid_search_forward): Likewise.
4808 (df_hybrid_search_backward): Likewise.
4809 (df_iterative_dataflow): Likewise.
4810 (df_analyze_problem): Likewise.
4811 (df_compact_blocks): Likewise.
4812 (df_dump): Likewise.
4813 * df-scan.c (df_rescan_blocks): Likewise.
4814 (df_record_entry_block_defs): Likewise.
4816 * genconditions.c (write_conditions): Guard the definition of
4817 'insn_conditions' with the check on GCC version.
4818 (write_writer): Guard the traversal 'insn_conditions' with
4819 the check on GCC version.
4821 2006-02-07 Richard Guenther <rguenther@suse.de>
4825 2006-01-30 Richard Guenther <rguenther@suse.de>
4827 * gimplify.c (gimplify_target_expr): Handle easy cases
4828 without creating a temporary.
4830 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4832 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4833 use of float in probability computations. Use edge probabilities
4834 in place of statically computed probabilities.
4835 (min_spec_prob): New static variable.
4836 (schedule_insns): Initialize it.
4837 (GET_SRC_PROB): Removed.
4838 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4840 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4843 * config/ia64/unwind-ia64.c: Revert last change.
4844 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4845 (INCOMING_FRAME_SP_OFFSET): Define.
4847 2006-02-06 Roger Sayle <roger@eyesopen.com>
4849 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4851 2006-02-07 Ben Elliston <bje@au.ibm.com>
4853 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4854 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4855 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4856 (ix86_return_in_memory): Handle TDmode.
4857 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4858 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4860 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4862 * reorg.c (dbr_schedule): Use dump_file instead of file.
4864 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4867 * config/ia64/predicates.md (extr_len_operand): New predicate.
4868 * config/ia64/ia64.md (extv): Tighten constraints.
4870 (*tbit_and_2): Ditto.
4871 (*tbit_and_3): Ditto.
4872 (*tbit_or_2): Ditto.
4873 (*tbit_or_3): Ditto.
4877 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4880 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4882 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4884 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4885 loop_optimizer_init and loop_optimizer_finalize
4886 * tree-ssa-sink.c (execute_sink_code): Ditto.
4887 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4888 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4889 tree_ssa_loop_done): Ditto.
4890 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4891 * sched-ebb.c: Include output.h.
4892 (schedule_ebbs): Do not use dump argument.
4893 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4894 * loop.c (loop_dump_stream): Removed.
4895 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4897 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4898 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4899 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4900 loop_iterations, strength_reduce, record_biv, record_giv,
4901 final_giv_value, check_final_value, check_ext_dependent_givs,
4902 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4903 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4904 dump_file instead of loop_dump_stream.
4905 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4907 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4909 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4910 * haifa-sched.c: Include output.h
4911 (schedule_insns, sched_init): Do not use dump argument.
4912 * mode-switching.c (optimize_mode_switching): Ditto.
4913 * modulo-sched.c (stats_file): Removed.
4914 (print_node_sched_params): Do not call argument dump_file.
4915 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4916 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4918 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4920 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4921 rtl_loop_init, rtl_loop_done): Ditto.
4922 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4923 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4925 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4926 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4927 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4928 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4929 * emit-rtl.c (renumber_insns): Ditto.
4930 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4931 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4932 * regclass.c (regclass): Ditto.
4933 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4934 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4935 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4936 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4938 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4939 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4941 * gcse.c (gcse_file, debug_stderr): Removed.
4942 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4943 rest_of_handle_gcse): Do not use dump argument.
4944 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4945 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4946 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4947 compute_code_hoist_vbeinout, compute_code_hoist_data,
4948 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4949 compute_store_table, build_store_vectors, insert_insn_start_bb,
4950 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4951 store_motion): Use dump_file instead of gcse_file.
4952 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4953 * profile.c (profile_dump_file): Removed.
4954 (branch_prob): Use dump_file instead of profile_dump_file.
4955 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4957 * tree-ssa-copy.c (dump_copy_of): Ditto.
4958 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4959 dump file to life_analysis.
4960 * bt-load.c (branch_target_load_optimize): Ditto.
4961 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4963 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4964 regclass, dbr_schedule): Declaration changed.
4965 * sched-int.h (sched_init): Declaration changed.
4966 * tree-profile.c (tree_profile_dump_file): Removed.
4967 (tree_profile_hooks): Removed profile_dump_file hook.
4968 * rtl-profile (rtl_profile_dump_file): Removed.
4969 (rtl_profile_hooks): emoved profile_dump_file hook.
4970 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4972 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4973 * tree-cfg.c (build_tree_cfg): Ditto.
4974 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4975 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4976 Declaration changed.
4977 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4978 life_analysis and schedule_insns.
4979 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4981 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4983 * config/mips/mips.c (mips_reorg): Ditto.
4984 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4987 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4989 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4990 (s390_mangle_fundamental_type): New.
4991 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4994 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4995 (alpha_mangle_fundamental_type): New.
4996 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4999 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5001 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5003 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5004 (sparc_mangle_fundamental_type): New.
5006 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5008 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5009 (s390x-*-linux*): Likewise.
5010 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5011 * config/s390/t-linux: New file.
5013 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5015 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5016 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5018 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5020 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5021 (ANTIC_SAFE_LOADS): New macro.
5022 (find_or_generate_expression): Add prototype.
5023 (set_contains_value): Allow null set for sake of not always having
5024 to allocate ANTIC_SAFE_LOADS.
5025 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5026 Allow COMPONENT_REF too.
5027 (valid_in_set): Allow COMPONENT_REF.
5028 Check ANTIC_SAFE_LOADS too.
5029 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5030 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5032 (can_PRE_operation): Add COMPONENT_REF.
5033 (create_component_ref_by_pieces): New function.
5034 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5035 (insert_aux): Move AGGREGATE_TYPE_P check here.
5036 (compute_avail): Set bb local stmt uids.
5037 (pass_pre): Use TODO_update_ssa_only_virtuals.
5039 2006-02-06 Ben Elliston <bje@au.ibm.com>
5041 * configure.ac: Unconditionally disable decimal float by default.
5042 * configure: Regenerate.
5044 2006-02-06 Ben Elliston <bje@au.ibm.com>
5046 * read-rtl.c (read_name): Terminate reading on EOF.
5048 2006-02-06 Ben Elliston <bje@au.ibm.com>
5050 * dfp.c (decimal_real_arithmetic): Change second argument type
5051 from int to enum tree_code. Do not always return true, but now
5052 return result of any call to decimal_do helper functions.
5053 * dfp.h (decimal_real_arithmetic): Update prototype.
5055 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5057 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5059 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5062 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5065 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5067 * tree-vrp.c (cfg_loops): Removed.
5068 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5069 Use current_loops instead of cfg_loops. Pass flags to
5070 loop_optimizer_init.
5071 * cfgloopmanip.c (fix_loop_structure): Update only available
5073 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5074 loop_optimizer_init.
5075 * modulo-sched.c (build_loops_structure): Removed.
5076 (sms_schedule): Use loop_optimizer_init.
5077 * loop-init.c (loop_optimizer_init): Use flags to determine
5078 which properties of loops to prepare.
5079 (rtl_loop_init): Pass flags to loop_optimizer_init.
5080 * tree-ssa-sink.c (execute_sink_code): Ditto.
5081 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5082 * tree-ssa-pre.c (init_pre): Ditto.
5083 * cfgloop.h (LOOPS_NORMAL): New.
5084 (loop_optimizer_init): Declaration changed.
5086 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5088 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5089 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5091 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5093 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5095 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5096 * pa/t-pa64: Delete quadlib.c rule.
5097 * pa/x-ada: Revert last change.
5098 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5100 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5102 PR rtl-optimization/26087
5103 * rtlanal.c (canonicalize_condition): Do not cross basic block
5106 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5109 * config/ia64/ia64.c: Include debug.h.
5110 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5111 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5112 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5113 (process_epilogue, process_set, process_for_unwind_directive):
5114 Output unwind info only if requested. Add CFA info if requested.
5115 Add new arguments as needed. Adjust callers.
5116 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5118 (DWARF2_FRAME_INFO): Define to zero.
5119 * config/ia64/unwind-ia64.c: Remove code that compensated for
5120 the CFA offset error fixed above.
5121 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5122 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5123 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5124 -funwind-tables and -fexceptions to enable frame info.
5125 (dwarf2out_frame_init): Define initial CFA even if
5126 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5127 DWARF2_UNWIND_INFO is nonzero, not just defined.
5128 (dwarf2out_frame_finish): Output non-EH call frame info only
5129 if DWARF2_FRAME_INFO is nonzero.
5130 (convert_cfa_to_loc_list,
5131 compute_frame_pointer_to_cfa_displacement): Define even if
5132 unwind info is not supported.
5133 (gen_subprogram_die): Use the above unconditionally. Remove
5134 legacy alternate code.
5135 * toplev.c (compile_file): Compile in call to
5136 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5137 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5139 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5140 Jakub Jelinek <jakub@redhat.com>
5142 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5143 IBM extended float format long double as "g" on powerpc*-linux.
5145 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5148 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5149 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5151 2006-02-03 Jason Merrill <jason@redhat.com>
5154 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5157 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5158 on the return slot if it's an NRV.
5160 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5162 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5163 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5164 rewrite_use): Do not handle USE_OUTER.
5165 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5166 add_iv_outer_candidates, may_replace_final_value,
5167 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5168 (find_interesting_uses_op): Functionality of
5169 find_interesting_uses_outer_or_nonlin moved here.
5170 (find_interesting_uses_outside): Use find_interesting_uses_op.
5172 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5175 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5177 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5178 Ulrich Weigand <uweigand@de.ibm.com>
5181 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5182 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5183 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5184 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5186 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5187 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5188 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5189 Define secondary reloads for TFmode moves.
5190 (constant_modes): Add TFmode.
5191 (NR_C_MODES): Set to 8.
5192 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5194 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5195 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5196 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5197 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5198 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5199 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5200 (FPR mode macro): Add TFmode.
5201 (DSF mode macro): New.
5202 (<de>, <dee> mode attributes): Removed.
5203 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5204 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5205 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5206 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5207 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5208 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5209 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5210 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5211 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5212 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5213 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5214 "*negabs<mode>2", "sqrt<mode>2"):
5215 Changed <de> to <xde>. R constraint replaced by <Rf>.
5216 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5218 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5219 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5220 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5222 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5223 "extenddftf2", "extendsftf2"): New expanders.
5224 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5225 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5226 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5227 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5229 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5230 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5231 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5232 __floatditf): Add a GCC_4.1.0 symbol version tag.
5233 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5236 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5239 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5240 Use targetm.binds_local_p instead of TREE_PUBLIC.
5242 2006-02-02 Roger Sayle <roger@eyesopen.com>
5244 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5245 on INTEGER_TYPEs to indicate that it denotes a character type.
5246 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5247 signed_char_type_node, unsigned_char_type_node and char_type_node.
5248 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5249 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5250 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5252 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5253 Daniel Berlin <dberlin@dberlin.org>
5255 * tree-tailcall.c (arg_needs_copy_p): New function.
5256 (eliminate_tail_call): Use arg_needs_copy_p.
5257 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5258 (add_virtual_phis): New function.
5260 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5262 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5263 #ignore instead of #scratch for %g7 .register directive.
5265 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5267 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5270 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5272 * flow.c (calculate_global_regs_live): Assert that there aren't any
5275 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5277 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5279 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5280 bsi_after_labels iterator.
5281 * tree-if-conv.c (find_phi_replacement_condition,
5282 replace_phi_with_cond_modify_expr): Likewise.
5283 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5284 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5286 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5288 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5290 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5293 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5294 array after growing it.
5296 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5299 * fold-const.c (fold_checksum_tree): Change type of buf.
5301 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5303 * reload.c (push_secondary_reload): Initialize t_icode.
5305 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5307 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5308 -msoft-float -mlong-double-128 only issue a warning, but don't
5309 swich to DFmode long double.
5311 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5313 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5314 has a constant equivalent, iterate over equivalents for arg0,
5315 calling simplify_relational_operation and if there's a result
5316 cheaper than X, apply fold_rtx and return the result.
5318 2006-02-01 Jan Hubicka <jh@suse.cz>
5320 * opts.c (no_unit_at_a_time_default): New global variable.
5321 (decode_options): Use it.
5322 * opts.h (no_unit_at_a_time_default): Declare.
5324 2006-02-01 Paul Brook <paul@codesourcery.com>
5326 * function.c (assign_parm_setup_reg): Use function argument promotion
5328 * expr.c (expand_expr_real_1): Use function argument promotion rules
5331 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5333 * gcc.c (process_command): Change j to 'unsigned int'.
5335 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5338 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5339 Use the corrected index for the character
5340 out of the string constant.
5342 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5344 * mode-switching.c (optimize_mode_switching): Fix size
5345 allocated for bb_info[n_entities].
5347 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5349 * gcc.c (main): Correct type that is allocated for
5350 explicit_link_files.
5352 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5354 * config/s390/s390.c (init_alignment_context): Set
5355 ALIAS_SET_MEMORY_BARRIER on the MEM.
5356 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5358 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5361 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5363 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5366 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5368 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5369 * regrename.c: Ditto.
5370 * tree-ssa-loop-im.c: Ditto.
5371 * tree-dump.c: Ditto.
5372 * tree-complex.c: Ditto.
5373 * genrecog.c: Ditto.
5374 * tree-ssa-threadupdate.c: Ditto.
5376 * java/class.c: Ditto.
5377 * java/jcf-parse.c: Ditto.
5378 * java/resource.c: Ditto.
5379 * java/except.c: Ditto.
5380 * java/jvspec.c: Ditto.
5381 * java/jcf-write.c: Ditto.
5382 * java/jcf-path.c: Ditto.
5383 * java/gjavah.c: Ditto.
5384 * java/zextract.c: Ditto.
5385 * java/jcf-io.c: Ditto.
5386 * java/jcf.h: Ditto.
5387 * java/buffer.c: Ditto.
5388 * java/lang.c: Ditto.
5389 * java/parse-scan.y: Ditto.
5390 * java/lex.c: Ditto.
5391 * java/lex.h: Ditto.
5392 * cfgloopmanip.c: Ditto.
5393 * postreload-gcse.c: Ditto.
5394 * tree-ssa-loop-manip.c: Ditto.
5395 * postreload.c: Ditto.
5396 * tree-ssa-loop-ch.c: Ditto.
5400 * diagnostic.c: Ditto.
5402 * genoutput.c: Ditto.
5404 * cfghooks.c: Ditto.
5405 * cfgloopanal.c: Ditto.
5406 * objc/objc-act.c: Ditto.
5408 * genextract.c: Ditto.
5409 * genautomata.c: Ditto.
5410 * pretty-print.c: Ditto.
5412 * cgraphunit.c: Ditto.
5415 * haifa-sched.c: Ditto.
5416 * dominance.c: Ditto.
5418 * tree-ssa-loop-ivopts.c: Ditto.
5420 * mode-switching.c: Ditto.
5421 * modulo-sched.c: Ditto.
5423 * ipa-pure-const.c: Ditto.
5425 * fix-header.c: Ditto.
5427 * tree-stdarg.c: Ditto.
5428 * ipa-utils.c: Ditto.
5429 * loop-init.c: Ditto.
5430 * ipa-inline.c: Ditto.
5433 * alloc-pool.c: Ditto.
5434 * dwarf2out.c: Ditto.
5436 * genattrtab.c: Ditto.
5437 * tree-ssa-loop-ivcanon.c: Ditto.
5441 * fortran/gfortranspec.c: Ditto.
5443 * local-alloc.c: Ditto.
5444 * langhooks.c: Ditto.
5445 * function.c: Ditto.
5446 * tree-vectorizer.c: Ditto.
5448 * ipa-type-escape.c: Ditto.
5450 * tree-if-conv.c: Ditto.
5453 * tree-data-ref.c: Ditto.
5454 * loop-unroll.c: Ditto.
5455 * treelang/treetree.c: Ditto.
5458 * ggc-common.c: Ditto.
5460 * coverage.c: Ditto.
5462 * tree-cfgcleanup.c: Ditto.
5463 * tree-ssa-pre.c: Ditto.
5464 * cfgcleanup.c: Ditto.
5465 * loop-invariant.c: Ditto.
5467 * ipa-prop.c: Ditto.
5468 * print-tree.c: Ditto.
5469 * conflict.c: Ditto.
5470 * ggc-page.c: Ditto.
5471 * sched-deps.c: Ditto.
5472 * regclass.c: Ditto.
5473 * tree-object-size.c: Ditto.
5475 * bb-reorder.c: Ditto.
5476 * resource.c: Ditto.
5477 * var-tracking.c: Ditto.
5479 * df-problems.c: Ditto.
5480 * reg-stack.c: Ditto.
5483 * sched-rgn.c: Ditto.
5484 * tree-ssa-structalias.c: Ditto.
5485 * tree-ssa-reassoc.c: Ditto.
5486 * config/darwin-c.c: Ditto.
5487 * config/darwin.c: Ditto.
5488 * config/arm/arm.c: Ditto.
5490 * collect2.c: Ditto.
5493 2006-01-31 Nicolas Pitre <nico@cam.org>
5495 * arm.md (smaxsi3): Make aware of smax_m1.
5498 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5500 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5502 2006-01-31 Richard Guenther <rguenther@suse.de>
5504 * doc/invoke.texi (-msselibm): Document.
5505 * target.h (expand_library_builtin): New target hook.
5506 * builtins.c (expand_builtin): Use expand_library_builtin.
5507 (default_expand_library_builtin): New function.
5508 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5509 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5510 (link_gcc_math_spec): Declare.
5511 (static_specs): Add link_gcc_math_spec.
5512 * expr.h (default_expand_library_builtin): Declare.
5513 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5514 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5515 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5516 * config/i386/i386.opt (msselibm): New target option.
5517 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5518 (ix86_init_sse_abi_builtins): New function.
5519 (ix86_expand_library_builtin): Likewise.
5520 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5521 (override_options): Handle error conditions wrt -msselibm.
5522 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5523 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5524 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5527 2006-01-31 Richard Guenther <rguenther@suse.de>
5528 Paolo Bonzini <bonzini@gnu.org>
5530 * doc/install.texi (--disable-libgcc-math): Document.
5532 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5534 * expr.h (expand_normal): new inline function.
5535 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5537 * dwarf2out.c: use it.
5542 * config/sparc/sparc.c: use it.
5543 * config/i386/i386.c: use it.
5544 * config/rs6000/rs6000.c: use it.
5545 * config/arm/arm.c: use it.
5546 * config/mips/mips.c: use it.
5547 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5549 2006-01-30 Roger Sayle <roger@eyesopen.com>
5551 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5552 argv to the appropriate type.
5554 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5556 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5559 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5562 * config/s390/s390.c (struct machine_function): New flag
5563 decomposed_literal_pool_addresses_ok_p.
5564 (s390_reorg): Set it before final stage of literal pool transforms.
5565 (s390_decompose_address): Only accept displacements of the form
5566 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5568 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5570 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5571 the comparison routine return.
5573 2006-01-30 Michael Matz <matz@suse.de>
5575 * global.c (find_reg): Only evict for global regs.
5576 Take n_refs into account and dump more info.
5578 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5581 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5582 (pragma_trap, pragma_nosave_low_regs): Likewise.
5583 (current_function_anonymous_args): Likewise.
5584 (sh_deferred_function_attributes): New variable.
5585 (sh_deferred_function_attributes_tail): Likewise.
5586 (print_operand): For '@', look up trap_exit attribute.
5587 (calc_live_regs): Look up trapa_handler attribute. For trapa
5588 handlers, save/restore fpscr, but don't do any other
5589 interrupt-specific saves.
5590 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5591 Fix check for partially saved registers to check for SHmedia.
5592 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5593 (sh_output_function_epilogue): Don't clear any of the removed
5595 (sh_insert_attributes): Don't check pragma_interrupt.
5596 Insert deferred attributes. Check that interrupt attribute is
5597 present for other attributes that require its presence.
5598 (sh_attribute_table): Add new attributes trapa_handler and
5600 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5601 Don't check for pragma_interrupt. Don't store argument.
5602 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5603 (sh_deferred_function_attributes): Declare.
5604 (sh_deferred_function_attributes_tail): Likewise.
5605 * sh.md (sp_switch_1): Add operand. Change generator caller.
5606 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5607 (*return_i): Don't use when trap_exit attribute is in effect.
5608 (*return_trapa): New insn pattern.
5610 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5611 setting c_target_objs and cxx_target_objs.
5612 * t-sh: Add rule for sh-c.o.
5614 2006-01-30 Richard Guenther <rguenther@suse.de>
5617 * gimplify.c (gimplify_target_expr): Handle easy cases
5618 without creating a temporary.
5620 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5622 * vec.h (safe_grow): Remove duplicated line.
5624 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5627 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5628 (expand_omp): ... here.
5629 (expand_omp_parallel): Only remove barriers for combined
5630 parallel+workshare constructs.
5632 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5636 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5637 * tree.c (build_qualified_type): Chain the new type to the original
5638 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5639 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5640 (build_pointer_type_for_mode): Only return unqualified types.
5641 (build_reference_type_for_mode): Likewise.
5643 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5645 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5646 * Makefile.in (CXX_COMPAT_WARN): Define.
5647 * configure: Regenerate.
5649 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5652 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5655 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5657 * toplev.c: Fix thinko.
5659 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5660 Marcin Dalecki <martin@dalecki.de>
5662 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5663 (push_srcloc): Use XNEW.
5664 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5666 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5668 * df-core.c (df_set_blocks): Deleted all variable.
5670 2006-01-28 Ian Lance Taylor <ian@airs.com>
5672 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5673 cgraph_output_pending_asms.
5675 2006-01-28 Zack Weinberg <zackw@panix.com>
5677 * c.opt: Add -W(no-)overlength-strings.
5678 * doc/invoke.texi: Document it.
5679 * c-opts.c (c_common_handle_option): -pedantic implies
5680 -Woverlength-strings, if not explicitly disabled already.
5681 (c_common_post_options): -Woverlength-strings defaults to off, and
5682 is always off for C++.
5683 * c-common.c (fix_string_type): Issue warning about strings longer
5684 than is portable only if warn_overlength_strings. Rearrange code
5685 a little for clarity.
5686 * configure.in: Check for -Wno-overlength-strings as well before
5687 enabling -pedantic in stage 1.
5688 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5689 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5691 * genconditions.c (write_header, write_one_condition)
5692 (write_conditions, write_writer): Consolidate very long strings
5693 that were broken up to fit in C89 portable limit. Don't use
5694 printf when fputs will do.
5696 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5698 * combine.c (simplify_comparison <AND>): Check
5699 TRULY_NOOP_TRUNCATION before start using a subreg.
5701 * config/mips/mips.md (*branch_zero<mode>,
5702 *branch_zero<mode>_inverted, *branch_equality<mode>,
5703 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5704 Remove mode check from comparisons.
5706 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5708 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5710 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5712 * expmed.c (const_mult_add_overflow_p): Remove.
5713 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5715 * recog.c (validate_replace_rtx_subexp): Remove.
5716 * recog.h: Remove the prototype for
5717 validate_replace_rtx_subexp.
5719 * integrate.h: Remove the prototype for
5720 copy_decl_for_inlining.
5721 * rtl.h: Remove the prototype for mark_constant_function.
5722 * tree-vectorizer.h: Remove the prototype for
5723 vect_strip_conversion.
5725 * modulo-sched.c (create_partial_schedule,
5726 free_partial_schedule, reset_partial_schedule): Make them
5729 * hooks.c (hook_bool_rtx_int_false): Remove.
5730 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5732 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5734 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5735 and -mlong-double-128 are incompatible.
5736 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5737 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5738 (TARGET_LIBGCC2_CFLAGS): Define.
5739 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5740 (TARGET_LIBGCC2_CFLAGS): Same.
5741 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5743 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5746 * c-typeck.c (build_binary_op): Perform implicit casts of
5747 operands before shortening them.
5749 * cfgloopmanip.c (split_loop_bb): Remove.
5750 * cfgloop.h: Remove the prototype for split_loop_bb.
5752 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5753 * cfgloop.h: Remove the prototype for
5754 flow_loop_outside_edge_p.
5756 * emit-rtl.c (init_virtual_regs): Make it static.
5757 * function.h: Remove the prototype for init_virtual_regs.
5759 * recog.c (peephole2_optimize): Make it static.
5760 * recog.h: Remove the prototype for peephole2_optimize.
5762 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5764 * df-scan.c (df_record_entry_block_defs): Check if
5765 INCOMING_RETURN_ADDR_RTX is defined.
5767 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5768 Kenneth Zadeck <zadeck@naturalbridge.com>
5770 PR rtl-optimization/24762
5771 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5772 * targhooks.c (hook_void_bitmap): New hook prototype.
5773 * targhoohs.h (hook_void_bitmap): Ditto.
5774 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5775 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5776 * target.h (live_on_entry): New function pointer.
5777 * df-scan.c (df_all_hard_regs): Removed.
5778 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5779 (df_scan_free_internal): Added df->entry_block_defs.
5780 (df_scan_alloc): Ditto.
5781 (df_scan_dump): Ditto.
5782 (df_uses_record): Plumbed flag field properly thru calls.
5783 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5784 This part fixes PR24762.
5785 (df_bb_refs_record): Added code to make the frame and arg
5786 pointers live in EH blocks.
5787 (df_refs_record): Added call to df_record_entry_block_defs.
5788 (df_record_entry_block_defs): New function.
5789 * df-core.c: Added comments to describe new artifical defs.
5790 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5791 (entry_block_defs): New field in struct df.
5792 (df_all_hard_regs): Deleted.
5793 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5794 * df-problems.c (df_ru_bb_local_compute_process_def):
5795 Added code to handle artifical defs in the entry to a function.
5796 (df_ru_bb_local_compute): Ditto.
5797 (df_rd_bb_local_compute_process_def): Ditto.
5798 (df_rd_bb_local_compute): Ditto.
5799 (df_lr_bb_local_compute): Ditto.
5800 (df_ur_bb_local_compute): Ditto.
5801 (df_urec_bb_local_compute): Ditto.
5802 (df_chain_create_bb): Ditto.
5803 (df_ur_local_finalize): Removed entry.
5804 (df_urec_init): Ditto.
5805 (df_urec_local_finalize): Ditto.
5806 (df_ri_bb_compute): Added detection of last use of pseudos.
5807 * Makefile.in (df-scan.o): Updated dependencies.
5808 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5809 * config/mips/mips.c (mips_set_live_on_entry): Added.
5810 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5812 * dce.c (marked_insn_p): Added code to handle artifical defs.
5814 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5816 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5818 (_mm_cvtsi128_si64): Likewise.
5819 (_mm_cvtsd_si64): Likewise.
5820 (_mm_cvttsd_si64): Likewise.
5821 (_mm_cvtsi64_sd): Likewise.
5822 (_mm_cvtsi64_si128): Likewise.
5823 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5824 (_mm_cvtsi64_m64): Likewise.
5825 (_m_to_int64): Likewise.
5826 (_mm_cvtm64_si64): Likewise.
5827 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5828 (_mm_cvttss_si64): Likewise.
5829 (_mm_cvtsi64_ss): Likewise.
5830 (_mm_cvtss_f32): Likewise.
5832 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5834 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5835 for pragma redefine_extname.
5837 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5840 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5841 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5842 -mno-minimal-toc to previous content.
5843 (bispecs): Remove goal.
5844 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5845 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5846 compatibility aliases on powerpc-*-*gnu*.
5847 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5848 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5849 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5850 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5851 (ldblspecs): New goal.
5852 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5853 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5855 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5856 L_sf_to_tf or L_df_to_tf is defined.
5858 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5859 Alan Modra <amodra@bigpond.net.au>
5862 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5863 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5864 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5865 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5866 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5867 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5868 (rs6000_override_options): Initialize rs6000_ieeequad.
5869 Initialize TFmode format to ibm_extended_format if not
5871 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5873 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5874 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5875 (function_arg_advance): IBM long double passed in two FPRs, not
5877 (function_arg): IBM long double passed in FPRs.
5878 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5879 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5880 Only multireg GPR aligned.
5881 (rs6000_init_libfuncs): Enable IBM long double functions if not
5883 (rs6000_generate_compare): Use IBM long double compare if not
5885 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5886 (TARGET_IEEEQUAD): Define.
5887 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5888 not TARGET_IEEEQUAD.
5889 * config/rs6000/rs6000.md: Enable TFmode patterns if
5891 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5892 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5893 and -mlong-double-128 are incompatible.
5894 * doc/invoke.texi (-mabi): Collect options together. Add
5895 ibmlongdouble and ieeelongdouble.
5897 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5899 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5901 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5902 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5903 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5904 * rtl.h (rtunion_def): Remove rt_ptr.
5906 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5907 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5908 * config/i386/winnt.c (i386_pe_mark_dllexport)
5909 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5911 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5913 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5915 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5919 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5920 pthread_key_delete. From John David Anglin. gthrw-ify
5921 pthread_getunique_np only if it it's not a macro. Delete
5923 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5924 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5925 __gthread_objc_condition_signal, __gthread_key_delete): Add
5926 "__attribute__ ((__unused__))" to unused arguments.
5927 (__gthread_recursive_mutex_init_function): Add missing return.
5928 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5929 gthr-posix95.h: Use macro-based approach for name redirection
5930 on targets missing weakref.
5932 2006-01-26 Zack Weinberg <zackw@panix.com>
5934 * genconditions.c (write_header): In generated code, #ifdef out
5935 all includes and fake declarations, except includes of bconfig.h
5936 and system.h, unless GCC_VERSION >= 3001. Do not include
5937 gensupport.h in any case.
5938 (write_conditions): Generate a definition of struct c_test. Add
5939 a comment to the generated #endif.
5940 (write_one_condition): Escape backslashes in string too.
5941 (write_writer): Generated code must escape backslashes and quote
5942 marks (but not newlines) in the strings it writes.
5943 * Makefile.in (build/gencondmd.o): Update dependencies.
5945 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5948 * Makefile.in (insn-automata.o): Add header file dependencies.
5949 * genautomata.c: Add includes.
5951 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5954 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5956 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5958 * configure.ac: Expect target tools paths to be passed from the toplevel
5959 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5961 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5963 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5966 * c.opt (Wpointer-sign): Init to -1.
5967 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5968 OPT_pedantic, to 0 otherwise.
5969 * doc/invoke.texi: Update.
5971 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5973 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5974 constants provided by 80387 instructions in the destination mode.
5976 2006-01-26 Richard Guenther <rguenther@suse.de>
5977 Andrew Pinski <pinskia@physics.uc.edu>
5980 partial PR tree-opt/17064
5981 * tree-ssa-structalias.c (intra_create_variable_infos):
5982 Create heap variables for incoming parameters if
5983 flag_argument_noalias > 1.
5984 (find_what_p_points_to): Look through default defs of
5987 2006-01-26 Jeff Law <law@redhat.com>
5990 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5991 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5992 within the VR_RANGE, use the VR_RANGE as the result, not the
5994 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5995 bounds for the type.
5997 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5999 * tree-ssa-alias.c (maybe_create_global_var): Change
6000 subvar walking to an assertion that we don't have subvar'd variables.
6002 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6005 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6006 Use a new variable, inner. PARM_DECLs are always non-weak.
6008 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6010 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6013 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6015 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6017 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6019 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6020 (smax_insn, smin_insn, smax_0, smin_0): New.
6022 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6025 * config/cris/cris.c (cris_order_for_addsi3): New function.
6026 * config/cris/cris-protos.h: Prototype it.
6027 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6028 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6029 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6030 (split for "op.S1 [rx=rx+i],ry (swapped)")
6031 (split for "op(s|u).S1 [rx=rx+i],ry")
6032 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6033 Apply cris_order_for_addsi3 when generating addsi3 insns.
6035 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6037 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6038 (TREE_BLOCK): Add call to EXPR_CHECK.
6040 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6043 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6044 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6045 (dump_omp_clauses): ... here.
6046 (dump_generic_node): Handle OMP_CLAUSE.
6047 * tree.c (omp_clause_num_ops): New.
6048 (omp_clause_code_name): New.
6049 (tree_code_size): Handle OMP_CLAUSE.
6050 (tree_size): Likewise.
6051 (make_node): Document handling of OMP_CLAUSE.
6052 (tree_node_structure): Handle OMP_CLAUSE.
6053 (omp_clause_check_failed): New.
6054 (omp_clause_range_check_failed): New.
6055 (omp_clause_operand_check_failed): New.
6056 (build_omp_clause): New.
6057 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6058 * tree.h (enum omp_clause_code): Declare.
6059 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6060 (OMP_CLAUSE_RANGE_CHECK): Define.
6061 (OMP_CLAUSE_ELT_CHECK): Define.
6062 (omp_clause_check_failed): Declare.
6063 (omp_clause_operand_check_failed): Declare.
6064 (omp_clause_range_check_failed): Declare.
6065 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6066 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6067 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6068 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6069 (OMP_CLAUSE_IF_EXPR): Likewise.
6070 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6071 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6072 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6073 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6074 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6075 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6076 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6077 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6078 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6079 (OMP_CLAUSE_CODE): Define.
6080 (OMP_CLAUSE_SET_CODE): Define.
6081 (OMP_CLAUSE_CODE): Define.
6082 (OMP_CLAUSE_OPERAND): Define.
6083 (struct tree_omp_clause): Declare.
6084 (union tree_node): Add field 'omp_clause'.
6085 * treestruct.def (TS_OMP_CLAUSE): Define.
6086 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6087 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6088 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6089 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6090 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6091 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6092 (OMP_CLAUSE): Define.
6093 * print-tree.c (print_node): Handle OMP_CLAUSE.
6094 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6095 * c-typeck.c: Likewise.
6096 * gimplify.c: Likewise.
6097 * c-omp.c: Likewise.
6098 * tree-nested.c: Likewise.
6099 * tree-inline.c: Likewise.
6100 * c-parser.c: Likewise.
6101 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6104 2006-01-25 Roger Sayle <roger@eyesopen.com>
6106 PR rtl-optimization/25703
6107 * combine.c (try_combine): Handle zero_extract and strict_low_part
6108 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6110 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6112 * global.c: Fix comment typos.
6114 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6117 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6118 Use output_addr_const instead of assemble_name.
6120 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6122 * Makefile.in (sched-vis.o): Update dependencies.
6123 * haifa-sched.c (sched_finish): Clear current_sched_info.
6124 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6125 (dump_flow_info): Call it.
6126 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6128 * basic-block.h (dump_bb_info): Declare.
6129 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6130 option, and apply options only for dump files whose TDF_RTL,
6131 TDF_TREE, or TDF_IPA bits match.
6132 * rtl.h: Declare new functions exported from sched-vis.c.
6133 * sched-vis.c: Enable also if scheduling is not used.
6134 (print_value): Print the mode of registers if not inside scheduling.
6135 (print_insn): Make it work outside the scheduler. Beautify the output
6137 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6139 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6141 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6142 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6143 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6144 depending on the value of CONSTANT_POOL_ADDRESS_P.
6145 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6147 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6148 rather than SYMBOL_REF_DECL.
6149 (rtx_constant_pool): Remove const_rtx_sym_htab.
6150 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6151 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6152 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6153 Remove handling of const_rtx_sym_htab.
6154 (find_pool_constant): Delete.
6155 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6156 rather than find_pool_constant.
6157 (get_pool_constant_for_function): Delete.
6158 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6160 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6161 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6162 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6163 (SYMBOL_REF_CONSTANT): New macro.
6164 (get_pool_constant_for_function): Delete.
6165 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6166 rather than SYMBOL_REF_DECL.
6167 (i386_pe_mark_dllimport): Likewise.
6168 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6169 rather than SYMBOL_REF_DECL.
6170 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6171 (machopic_indirect_call_target): Likewise.
6173 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6175 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6177 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6179 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6181 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6183 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6185 2006-01-24 David Daney <ddaney@avtrex.com>
6188 * configure.ac (enable_tls): New enable option.
6189 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6190 * configure: Regenerate.
6191 * doc/install.texi (--enable-tls): Document new option.
6192 (--disable-tls): Ditto.
6194 2006-01-24 Richard Henderson <rth@redehat.com>
6196 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6197 * alias.c (true_dependence): Respect it.
6198 (canon_true_dependence, write_dependence_p): Likewise.
6199 * builtins.c (get_builtin_sync_mem): Set it.
6201 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6203 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6206 2006-01-24 DJ Delorie <dj@redhat.com>
6208 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6209 for storing constants in single-bit bitfields.
6211 2006-01-25 Ben Elliston <bje@au.ibm.com>
6213 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6215 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6218 * tree-ssa-pre.c (phi_translate): Return NULL
6219 for AGGREGATE_TYPE's.
6221 2006-01-24 Zack Weinberg <zackw@panix.com>
6223 * genautomata.c (process_state_for_insn_equiv_partition):
6224 Use xcalloc for insn_arcs_array.
6225 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6226 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6228 2006-01-24 Richard Henderson <rth@redhat.com>
6230 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6233 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6235 PR rtl-optimization/25890
6236 PR rtl-optimization/25905
6237 * combine.c (expand_compound_operation, expand_field_assignment):
6238 Fail if the bitfield's final position is out of bounds.
6240 2006-01-24 Ian Lance Taylor <ian@airs.com>
6243 * cgraphunit.c (cgraph_output_in_order): Don't clear
6244 cgraph_asm_nodes until after asm strings have been output.
6246 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6248 * fix-header.c (read_scan_file): Add new parameter imultilib when
6249 calling register_include_chains.
6251 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6253 * omp-low.c: Update documentation.
6255 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6256 Daniel Berlin <dberlin@dberlin.org>
6260 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6261 return from the function.
6263 2006-01-22 Zack Weinberg <zackw@panix.com>
6265 * rtl.def (match_code): Add second argument.
6266 * genpreds.c (write_extract_subexp): New function.
6267 (write_match_code): Add path argument. Use write_extract_subexp.
6268 (write_predicate_expr): Pass path to write_match_code.
6269 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6270 not perform a mode test.
6271 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6272 a subexpression does not constrain the top-level code set.
6273 * read-rtl.c (read_rtx_variadic): New function.
6274 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6275 * doc/md.texi: Document new notation.
6276 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6277 (cmpsi_operand): ... here, using new notation.
6279 2006-01-22 Zack Weinberg <zackw@panix.com>
6281 * varray.c: Remove GENERATOR_FILE #ifdefs.
6283 2006-01-22 Zack Weinberg <zackw@panix.com>
6285 * genautomata.c (output_reserved_units_table): Emit nothing if
6286 description->query_units_num is zero. Remove extra blank line.
6287 (output_cpu_unit_reservation_p): Short circuit
6288 if description->query_units_num is zero.
6290 2006-01-22 Zack Weinberg <zackw@panix.com>
6292 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6293 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6294 nor any of the random handful of variables that used to be necessary
6295 when this program was linked with rtlanal.o. Prune set of forward
6296 function declarations.
6297 (struct attr_desc): Remove static_p field.
6298 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6299 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6300 (attr_string): Do not read the character one past the length of
6302 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6303 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6304 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6305 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6306 (make_automaton_attrs): New.
6307 (main): Do not call into genautomata. Call local gen_bypass
6308 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6309 Remove special case for insn_alts.
6310 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6311 varray.h (leftover from previous change). Prune set of forward
6312 function declarations. Remove state_alts fields from all
6313 structures. Remove state_alts_table from struct automaton.
6314 Make everything except main static. Do not maintain num_dfa_decls.
6315 Do not maintain state_alts fields of various structures.
6316 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6317 (add_arc): Remove state_alts argument. All callers updated.
6318 (output_reserved_units_table): Emit #ifdef here...
6319 (output_tables): ...not here. Don't generate state_alts tables.
6320 (expand_automata): Don't generate attributes.
6321 (write_automata): Don't generate state_alts functions.
6322 (main): New function.
6323 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6324 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6325 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6326 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6327 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6328 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6329 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6330 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6332 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6333 * genattrtab.h: Delete file.
6334 * Makefile.in (OBJS-common): Add insn-automata.o.
6335 (insn-automata.o): New rule.
6336 (simple_generated_c): Add insn-automata.c.
6337 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6338 (genprogmd): Add automata.
6339 (build/genattrtab): Needs no extra objects nor libraries.
6340 (build/genautomata): Needs build/vec.o and -lm.
6342 2006-01-22 Zack Weinberg <zackw@panix.com>
6344 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6345 (output_dfa_max_issue_rate, locked_states_num): Delete.
6346 (struct automaton): Add locked_states field.
6347 (output_dead_lock_vect): Save number of locked states in
6348 automaton->locked_states. If it is zero, don't print anything.
6349 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6350 (output_internal_dead_lock_func): Only test the dead_lock_vect
6351 for automata that have locked states.
6352 (output_statistics): Always print the number of locked states for
6353 each automaton. Calculate total number of locked states here.
6354 (write_automata): Don't call output_dfa_max_issue_rate.
6355 * genattrtab.c: Define length_unit_log as a const variable.
6356 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6357 max_insn_queue_index const.
6358 * final.c (length_unit_log): Declare const.
6359 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6361 2006-01-22 Zack Weinberg <zackw@panix.com>
6363 * genautomata.c: Include vec.h, not varray.h.
6364 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6365 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6366 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6367 VEC_* macros operating on appropriately typed vectors, or to
6368 malloced arrays when the size is known in advance. Const-ify
6369 many char* variables and function arguments. No functional changes.
6370 * Makefile.in (build/varray.o): Delete rule.
6371 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6372 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6374 2006-01-22 Zack Weinberg <zackw@panix.com>
6376 * gensupport.c: Define get_insn_name and record_insn_name here.
6377 (read_md_rtx): Call record_insn_name as appropriate.
6378 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6379 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6380 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6382 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6383 (BUILD_VARRAY): Delete.
6384 (genprognormal): Rename genprogmd. Fold in all programs from
6385 genprognoprint; also attrtab.
6386 (build/genattrtab): Just mention genautomata.o and varray.o.
6387 Reorganize a bit, add comments to make the categories clearer.
6389 2006-01-22 Zack Weinberg <zackw@panix.com>
6391 * genconditions.c (condition_table, add_condition): Delete.
6392 (write_conditions): Don't emit n_insn_conditions nor
6393 insn_elision_unavailable. Issue the gcc version #ifdef here,
6394 inside the table, with no #else clause ...
6395 (write_header): ...not here.
6396 (write_writer): New function.
6397 (main): Don't initialize condition_table. Use add_c_test.
6399 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6400 files on the command line.
6401 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6402 Return -1 if there is no entry in the table, don't abort.
6403 (add_c_test, traverse_c_tests): New functions.
6404 * gensupport.h (insn_elision_unavailable, insn_conditions)
6405 (n_insn_conditions): Delete declarations.
6406 (add_c_test, traverse_c_tests): Declare.
6407 * read-rtl.c: Include gensupport.h.
6408 (read_conditions): New function.
6409 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6410 (read_rtx_1): If we get EOF when we were looking for an initial
6411 open paren, return 0. Call read_conditions when appropriate.
6412 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6413 dummy-conditions.o. Eliminate references to insn-conditions.o,
6414 or change them to build/gencondmd.o, as appropriate. Remove
6415 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6416 from $(simple_generated_c). For all files remaining in those
6417 two lists, add insn-conditions.md to the generator command line.
6418 Give insn-constants.h/s-constants their own rules. Add rules
6419 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6420 (build/read-rtl.o): Depend on gensupport.h.
6421 (genprognormal): Include preds.
6422 (genprogearly): Rename genprognoprint; only difference is now that
6423 they don't link with $(BUILD_PRINT).
6424 * dummy-conditions.c: Delete.
6426 2006-01-22 Zack Weinberg <zackw@panix.com>
6428 * genextract.c: Don't include insn-config.h. Do include vec.h.
6429 Declare vectors of int, char, and locstr.
6430 (locstr): New typedef.
6431 (struct extraction): Make all array fields into bare pointers.
6432 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6433 (insn_code_number): Delete.
6434 (accum_extract): New struct.
6435 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6436 (gen_insn): Take insn_code_number as an argument. Use an
6437 accum_extract structure instead of loading data directly into
6438 a struct extraction, and having to know how big it might get.
6439 (walk_rtx): Operate entirely on an accum_extract structure.
6440 (print_path): Avoid unnecessary use of printf.
6441 (print_header): New function, split out of main. Distinguish
6442 more carefully between an unrecognizable insn and an insn that
6443 has the code number of a define_expand.
6444 (main): Pass insn_code_number to gen_insn. Call print_header
6445 only after parsing. Avoid unnecessary use of printf.
6446 * Makefile.in (build/vec.o): New rule.
6447 (build/genextract): Depend on build/vec.o.
6448 (build/genextract.o): Don't depend on insn-config.h.
6450 2006-01-22 Zack Weinberg <zackw@panix.com>
6452 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6453 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6454 practical. Eliminate per-generator-program link rules.
6456 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6459 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6460 with a call expr to ...
6461 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6463 2006-01-23 Richard Guenther <rguenther@suse.de>
6465 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6466 before make_edge with conditional EDGE_TRUE_VALUE.
6468 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6469 Jan Hubicka <jh@suse.cz>
6470 Richard Guenther <rguenther@suse.de>
6472 PR rtl-optimization/25654
6473 * cfgexpand.c (aggregate_contains_union_type): New function.
6474 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6475 for structure variables that contain a union type.
6477 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6479 * gengtype.c (new_structure): Return the structure.
6480 (create_option): Add an extra "next" argument.
6481 (create_field): New function.
6482 (adjust_field_rtx_def): Use create_option and create_field.
6483 Remove a now-unnecessary call to find_structure.
6484 (adjust_field_tree_def): Likewise.
6485 (note_yacc_type): Remove an unnecessary call to find_structure.
6486 * gengtype.h (new_structure): Return the structure.
6487 (create_option): Add an extra argument.
6488 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6489 (option): Adjust calls to create_option.
6491 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6493 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6495 2006-01-22 Paul Brook <paul@codesourcery.com>
6496 Peter Barada <peter@the-baradas.com>
6498 * config/m68k/m68k.md: Add Coldfire FPU support.
6499 Define FP mode macro and associated attributes.
6500 Use it for float mode patterns.
6501 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6502 (LIBCALL_VALUE): Use m68k_libcall_value.
6503 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6504 (m68k_function_value): Ditto.
6505 (emit_move_sequence): Ditto.
6506 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6507 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6508 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6509 (MULTILIB_EXCEPTIONS): Ditto.
6510 * config/m68k/m68k.opt: Add mcfv4e.
6511 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6512 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6513 (m68k_output_function_prologue): Save ColdFire FPU registers.
6514 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6515 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6516 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6517 ColdFire FPU registers.
6518 (m68k_libcall_value, m68k_function_value): New functions.
6519 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6520 (LIBCALL_VALUE): Use m68k_libcall_value.
6521 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6522 (MASK_COLDFIRE): Add MASK_CFV4E.
6523 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6524 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6525 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6526 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6527 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6528 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6529 * doc/invoke.tex: Document -mcfv4e on m68k.
6531 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6533 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6536 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6539 * c-opts.c (c_common_handle_option): Don't include
6540 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6541 * doc/invoke.texi (C++ Dialect Options): Document that
6542 -Wnon-virtual-dtor is no longer included in -Wall.
6544 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6546 * gcov.c (print_version), gcov-dump.c (print_version),
6547 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6550 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6552 * df-scan.c (problem_SCAN): Added NULL reset function.
6553 (df_scan_reset_blocks): Added code to call reset block function
6554 (df_bb_refs_delete) Fixed comment.
6555 (df_insn_refs_delete): Made tolerant of deleting non existent info
6556 for dataflow problems that need to be reset.
6557 * df-core.c (df_set_blocks): Ditto.
6558 * df.h (struct df_problem): Added reset_fun.
6559 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6560 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6561 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6562 functions to clear out all references to def-use or use-def chains.
6564 2006-01-21 Ben Elliston <bje@au.ibm.com>
6566 * varasm.c (assemble_real): Initialise data array.
6568 2006-01-20 Paul Brook <paul@codesourcery.com>
6570 Merge from csl-arm-branch.
6571 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6572 * config/arm/arm.md (movdi): Force operands[1] to a register
6573 if we have a non-register source.
6574 (*arm_movdi, *movdf_soft_insn): Require that one of the
6575 operands be a register.
6576 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6577 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6579 2006-01-20 DJ Delorie <dj@redhat.com>
6581 * varasm.c (initialize_constant_valid_p): Allow pointers
6582 initialized from integer constants of lesser precision.
6583 (output_constant): Allow non-int-sized pointer modes to be
6584 initialized from integer constants.
6586 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6589 * cppdefault.h (struct default_include): Add multilib flag.
6590 * cppdefault.c (cpp_include_defaults): Set it.
6591 * c.opt (-imultilib): New option.
6592 * c-opts.c (imultilib): New.
6593 (c_common_handle_option): Handle -imultilib.
6594 (c_common_post_options): Likewise.
6595 * c-incpath.c (add_standard_paths, register_include_chains):
6597 * c-incpath.h (register_include_chains): Add extra parameter.
6598 * gcc.c (do_spec_1): Generate -imultilib option.
6599 (The Specs Language): Update %I description.
6600 (process_command): Update copyright notice.
6601 * doc/cppopts.texi (-imultilib): Document.
6602 * doc/invoke.texi (-imultilib): Include in option summary.
6603 (%I): Update specs documentation.
6605 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6607 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6609 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6611 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6614 2006-01-20 Richard Guenther <rguenther@suse.de>
6615 Steven Bosscher <stevenb.gcc@gmail.com>
6617 PR rtl-optimization/24626
6618 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6619 EDGE_TRUE_VALUE if in RTL mode.
6622 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6623 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6625 2006-01-20 Dirk Mueller <dmueller@suse.com>
6628 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6629 instead of a special NOP marker.
6630 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6631 NOP marker handling.
6632 * c-common.h (empty_body_warning): Add forward declaration.
6633 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6634 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6636 2006-01-20 Paul Brook <paul@codesourcery.com>
6638 * Makefile.in (lang_checks): Keep going if mkdir fails.
6640 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6642 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6643 be able to clean out basic block when not necessary.
6644 (df_scan_free): Fixed to properly delete information if df is
6645 unused before calling df_finish.
6646 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6647 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6649 (df_bb_refs_delete): New function.
6650 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6651 * df-core.c (df_set_blocks): Added code to properly clean out
6652 unused blocks if they are not part of the blocks to consider.
6653 Added additional null check.
6654 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6655 be able to clean out basic block when not necessary
6656 * df.h (df_free_bb_function): Ditto.
6657 (df_bb_refs_delete): New function.
6658 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6659 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6660 basic block parameter to be able to clean out basic block when not
6662 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6663 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6664 Fixed to properly delete information if df is unused before
6667 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6669 PR rtl-optimization/25799
6670 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6671 Corrected confluence operator to remove bits from op2 before oring
6672 with op1 rather than removing bits from op1.
6673 (df_ru_transfer_function): Corrected test on wrong bitmap which
6674 caused infinite loop. Both of these problems were introduced in
6675 the dataflow rewrite.
6677 2006-01-19 DJ Delorie <dj@redhat.com>
6679 * reload1.c (find_reload_regs): Note the details of reload
6680 failures in the dump file.
6681 (spill_failure): Likewise.
6683 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6685 * loop-iv.c: Include df.h and hashtab.h.
6686 (enum iv_grd_result): New enum.
6687 (DF_REF_IV, DF_REF_IV_SET): New macros.
6688 (struct biv_entry): New.
6689 (df, bivs): New global variables.
6690 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6691 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6693 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6694 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6695 analyzed_for_bivness_p, record_biv): New functions.
6696 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6697 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6698 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6700 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6702 (iv_number_of_iterations): Use new interface to iv analysis.
6703 * loop-unroll.c: Do not include varray.h.
6704 (analyze_iv_to_split_insn): Use new interface to iv
6706 * loop-unswitch.c (may_unswitch_on): Ditto.
6707 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6709 (df_bb_modify): Realloc tables to the new index.
6710 (df_find_use): New function.
6711 * df.h (df_find_use): Declare.
6712 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6714 * cfgloop.h (struct rtx_iv): Remove analysed field.
6715 (iv_get_reaching_def): Removed.
6716 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6717 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6718 (loop-iv.o): Add df.h and hashtab.h dependency.
6719 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6721 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6724 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6726 (__floatundisf, __floatundidf): Likewise.
6727 * libgcc2.h (IS_IBM_EXTENDED): Define.
6729 2006-01-19 DJ Delorie <dj@redhat.com>
6731 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6733 2006-01-19 Paul Brook <paul@codesourcery.com>
6735 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6736 as nothrow when unwinding tables are disabled.
6738 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6741 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6742 of bit-field" when in system header.
6744 2006-01-19 DJ Delorie <dj@redhat.com>
6746 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6747 the 16 bit shift limit of the m16c.
6749 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6752 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6753 * config/i386/i386.c (output_set_got): Output the label if we have one
6754 for the TARGET_DEEP_BRANCH_PREDICTION case.
6756 2006-01-19 Jan Hubicka <jh@suse.cz>
6757 H.J. Lu <hongjiu.lu@intel.com>
6758 Evandro Menezes <evandro.menezes@amd.com>
6760 * invoke.texi (generic): Document
6762 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6763 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6764 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6765 (x86_use_incdec, x86_pad_returns): New variables
6766 (TARGET_CPU_DEFAULT_generic): New constant
6767 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6768 (enum processor_type): Add generic32 and generic64.
6769 * i386.md (cpu attribute): Add generic32/generic64
6770 (movhi splitter): Behave sanely when both partial_reg_dependency and
6771 partial_reg_stall are set.
6772 (K8 splitters): Enable for generic as well.
6773 * predicates.md (incdec_operand): Use TARGET_INCDEC
6774 (aligned_operand): Avoid memory mismatch stalls.
6775 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6776 * ppro.md: Enable for generic32
6777 * i386.c (generic64_cost, generic32_cost): New.
6778 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6779 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6780 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6781 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6782 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6783 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6784 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6785 x86_accumulate_outgoing_args, x86_prologue_using_move,
6786 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6787 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6789 (x86_use_incdec, x86_pad_returns): New.
6790 (override_options): Add generic32 and generic64, translate "generic"
6791 to generic32/generic64 and "i686" to "generic32", refuse
6792 "generic32"/"generic64" as arch target.
6793 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6794 (ix86_reorg): Honor PAD_RETURNS.
6796 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6798 * tree-pretty-print.c (dump_generic_node): Handle
6799 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6800 * cgraph.c (cgraph_expand_queue): Rename from
6801 cgraph_analyze_queue. Update all users.
6802 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6803 cgraph_expand_queue.
6804 (cgraph_expand_all_functions): Likewise.
6805 (cgraph_finalize_pending_functions): Remove. Update callers.
6807 * tree.h (OMP_DIRECTIVE_P): Define.
6808 (OMP_PARALLEL_FN): Define.
6809 (OMP_PARALLEL_DATA_ARG): Define.
6810 (OMP_SECTIONS_SECTIONS): Define.
6811 * tree-pass.h (pass_expand_omp): Declare.
6812 * omp-low.c (struct omp_region): Declare.
6813 (struct omp_context): Remove fields 'parallel_type',
6814 'parallel_start_ix' and 'parallel_start_additional_args'.
6816 (struct omp_for_data): Rename from struct expand_omp_for_data.
6817 (omp_regions): New static variable.
6818 (root_omp_region): New static variable.
6819 (find_omp_clause): Make static.
6820 (is_in_combined_parallel_ctx): Remove.
6821 (is_combined_parallel): New.
6822 (extract_omp_for_data): Move earlier in the file.
6823 (workshare_safe_to_combine_p): New.
6824 (get_ws_args_for): New.
6825 (determine_parallel_type): Move earlier in the file.
6826 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6828 (omp_copy_decl): Likewise.
6829 (create_omp_child_function): Likewise.
6830 (lookup_omp_region): New.
6831 (dump_omp_region): New.
6832 (debug_omp_region): New.
6833 (debug_all_omp_regions): New.
6834 (new_omp_region): New.
6835 (scan_omp_parallel): If parallel_nesting_level > 1, the
6836 directive is nested within another parallel directive.
6837 Set OMP_PARALLEL_FN.
6838 (scan_omp_for): Do not try to handle combined parallel+for
6840 Remove FIXME comment.
6841 (scan_omp_nested): Remove.
6842 (scan_omp_1): Do not call scan_omp_nested when
6843 parallel_nesting_level is > 1.
6844 Do not change the DECL_CONTEXT of local variables found.
6845 (lookup_decl_in_outer_ctx): New.
6846 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6847 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6848 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6849 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6850 If CTX is nested, lookup VAR in the outer context when
6851 building copy assignment.
6852 (lower_send_clauses): Rename from expand_send_clauses.
6853 If CTX is nested, lookup VAR in the outer context when
6854 building copy assignments.
6855 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6856 If CTX is nested, lookup VAR in the outer context when
6857 building copy assignments.
6858 (expand_parallel_call): Rename from build_parallel_call.
6859 Handle combined parallel+workshare cases.
6860 Re-implement to emit code into the CFG.
6862 (expand_omp_parallel): Re-implement to emit code into the CFG.
6863 Call move_sese_region_to_fn to outline the sub-graph
6864 containing the parallel region.
6865 (expand_omp_for_1): Remove.
6866 (expand_omp_for_generic): Re-implement to emit code into the
6868 (expand_omp_for_static_nochunk): Likewise.
6869 (expand_omp_for_static_chunk): Likewise.
6870 (expand_omp_for): Likewise.
6871 (expand_omp_sections): Likewise.
6872 (remove_exit_barriers): New.
6873 (expand_omp_synch): New.
6875 (build_omp_regions_1): New.
6876 (build_omp_regions): New.
6877 (execute_expand_omp): New.
6878 (gate_expand_omp): New.
6879 (pass_expand_omp): Define.
6880 (lower_omp_sections): Rename from expand_omp_sections.
6881 Set OMP_SECTIONS_SECTIONS.
6882 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6883 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6884 (lower_omp_single): Rename from expand_omp_simple.
6885 (lower_omp_master): Rename from expand_omp_master.
6886 (lower_omp_ordered): Rename from expand_omp_ordered.
6887 (lower_omp_critical): Rename from expand_omp_critical.
6888 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6889 (lower_omp_for): Re-implement.
6890 (lower_omp_parallel): Re-implement.
6891 (lower_regimplify): Rename from expand_regimplify.
6892 (lower_omp_1): Rename from expand_omp_1.
6893 If there are syntax errors in the program, replace every
6894 OpenMP directive with NOP.
6895 Call lower_omp_* instead of expand_omp_*.
6896 (lower_omp): Rename from expand_omp.
6898 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6899 * tree-gimple.h (enum omp_parallel_type): Remove.
6900 (gimple_boolify): Declare extern.
6901 (find_omp_clause, determine_parallel_type): Remove.
6903 * gimple-low.c (lower_omp_directive): New.
6904 (lower_stmt): Call it.
6905 (record_vars_into): Move from ...
6906 (record_vars): ... here.
6907 Call record_vars_into with current_function_decl.
6909 * gimplify.c (struct gimplify_ctx): Remove fields
6910 combined_pre_p and combined_ctxp. Update users.
6911 (get_formal_tmp_var): Add documentation.
6912 (gimple_boolify): Make extern.
6913 (gimplify_expr_in_ctx): Remove. Update callers.
6914 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6915 will always be a BIND_EXPR.
6916 (gimplify_expr): Handle OMP_RETURN_EXPR.
6917 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6918 (OMP_PARALLEL): Add 3 operands.
6919 (OMP_SECTIONS): Add 1 operand.
6920 (OMP_RETURN_EXPR): Define.
6922 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6923 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6924 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6925 creating a circular free list.
6926 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6928 * tree-flow.h (move_sese_region_to_fn): Declare.
6929 (record_vars_into): Declare.
6930 * tree-cfg.c (make_omp_sections_edges): New.
6931 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6932 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6933 OMP_SECTIONS and OMP_SECTION.
6934 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6935 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6936 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6937 (gather_blocks_in_sese_region): New.
6938 (struct move_stmt_d): Declare.
6940 (move_block_to_fn): New.
6941 (move_sese_region_to_fn): New.
6943 * passes.c (init_optimization_passes): Schedule
6944 pass_expand_omp after pass_init_datastructures.
6946 * tree-ssa-operands.c (get_expr_operands): Handle
6947 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6948 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6950 2006-01-19 Jeff Law <law@redhat.com>
6952 * tree-vrp.c (extract_range_from_assert): Refine the result range
6953 if the variable referenced by the ASSERT_EXPR has a range and
6954 either the tentative result range or the previous range is a
6957 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6959 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6961 2006-01-19 Jan Hubicka <jh@suse.cz>
6963 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6965 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6967 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6968 (expand_compound_operation, expand_field_assignment): Fail if the
6969 bit lengths of an extract operation are out of range.
6970 (make_extraction): Compute wanted_inner_mode based on the position
6971 and length of the extraction. Make it extraction_mode for non-constant
6972 positions, and do not modify offset in that case. When generating a
6973 new MEM, use a mode that can hold the extraction while keeping correct
6974 alignment. Remove code that supported MEMs wrapped by USEs.
6975 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6977 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6979 * config/s390/s390.md ("Y", "y"): New mode attribute.
6980 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6981 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6982 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6983 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6984 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6985 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6986 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6987 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6988 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6989 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6990 "addsi3", "subsi3"): Insn patterns removed.
6991 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6992 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6993 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6994 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6995 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6996 "*sub<mode>3_cconly2"): New insn patterns.
6997 ("addsi3", "subsi3"): New expanders.
6999 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7001 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7002 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7003 existing STMT_VINFO_VECTYPE if available.
7004 (vect_mark_relevant): Add special handling for stmts that are
7005 marked as STMT_VINFO_IN_PATTERN_P.
7006 (vect_analyze_loop): Call vect_pattern_recog.
7007 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7008 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7010 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7011 (vect_recog_func_ptr): New function-pointer type.
7012 * tree-vect-patterns.c: New file.
7013 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7014 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7015 (vect_pattern_recog_1): New functions.
7016 (vect_pattern_recog_funcs): New array of function pointers.
7018 * tree-vectorizer.h (ternary_op): New enum value.
7019 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7020 declaration. Revised documentation. Removed redundant dump prints.
7021 Removed redundant argument. Added support for reduction patterns.
7022 (vectorizable_reduction): Added support for reduction patterns.
7023 (vect_transform_stmt): Added support for patterns.
7025 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7026 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7027 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7028 (expand_widen_pattern_expr): New function.
7029 (init_optabs): Initialize new optabs udot_prod_optab,
7031 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7032 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7033 (expand_widen_pattern_expr): New function declaration.
7034 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7036 * tree-inline.c (estimate_num_insns_1): Added cases for new
7037 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7038 * tree-pretty-print.c (dump_generic_node): Likewise.
7039 (op_prio): Likewise.
7040 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7041 * tree-ssa-operands.c (get_expr_operands): Added case for
7043 * tree-vect-patterns.c (widened_name_p): New function.
7044 (vect_recog_dot_prod_pattern): Added function implementation.
7045 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7046 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7047 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7048 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7050 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7051 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7052 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7053 (init_optabs): Initialize new optabs widen_ssum_optab,
7055 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7056 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7057 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7058 use instead of type of def.
7059 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7060 function implementation.
7061 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7062 widen_ssumv8hi): New.
7064 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7067 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7070 * c-decl.c (add_flexible_array_elts_to_size): New function.
7071 (finish_decl): Use it.
7073 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7075 * diagnostic.h: Include options.h.
7076 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7077 dependancies for diagnostic.h.
7078 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7080 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7082 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7083 (ssa_ro_call_cache_valid): Ditto.
7084 * tree-ssa-alias.c (sort_tags_by_id): New function.
7085 (init_transitive_clobber_worklist): Ditto.
7086 (add_to_worklist): Ditto.
7087 (mark_aliases_call_clobbered): Ditto.
7088 (compute_tag_properties): Ditto.
7089 (set_initial_properties): Ditto.
7090 (compute_call_clobbered): Ditto.
7091 (compute_may_aliases): Call compute_call_clobbered and grouping.
7092 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7093 (compute_flow_insensitive_aliasing): Grouping now happens in our
7095 (setup_pointers_and_addressables): Remove clobbering related code.
7096 (add_may_alias): Ditto.
7097 (replace_may_alias): Ditto.
7098 (get_nmt_for): Ditto.
7099 (create_global_var):
7100 (is_escape_site): Return an escape_type enumeration.
7101 * tree-flow-inline.h (is_call_clobbered): Global var does not
7102 imply call clobbered.
7103 (mark_call_clobbered): Take a reason for marking this. Remove
7104 marking of globalness, and cache invalidation.
7105 (clear_call_clobbered): Remove cache invalidation code.
7106 * tree-dfa.c (dump_variable): If details is on, dump the reason
7108 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7110 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7111 (struct var_ann_d): Ditto.
7112 (enum escape_type): New.
7113 (mark_call_clobbered): Adjust prototype.
7114 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7115 are never call clobbered.
7116 Record reasons for escaping.
7117 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7118 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7119 (ssa_ro_call_cache_valid): Ditto.
7120 (clobbered_v_may_defs): Ditto.
7121 (clobbered_vuses): Ditto.
7122 (ro_call_vuses): Ditto.
7123 (clobber_stats): New.
7124 (init_ssa_operands): Zero out clobber stats.
7125 (fini_ssa_operands): Print out clobber stats.
7126 (get_call_expr_operands): Pass callee fndecl to
7128 (add_call_clobber_ops): Remove use of cache.
7129 Add use of PURE_CONST information.
7130 (add_call_read_ops): Remove use of cache.
7131 Add use of static not_read information.
7133 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7135 Introduce TLS descriptors for i386 and x86_64.
7136 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7137 (TARGET_ANY_GNU_TLS): New macro.
7138 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7139 (struct machine_function): Add tls_descriptor_call_expanded_p.
7140 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7141 (ix86_current_function_calls_tls_descriptor): Likewise.
7142 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7143 (override_options): Introduce gnu2 tls dialect.
7144 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7146 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7148 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7149 (ix86_init_machine_status): Initialize new field.
7150 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7151 (ix86_tls_module_base): New.
7152 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7153 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7154 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7155 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7156 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7157 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7158 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7159 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7160 * config/i386/predicates.md (tls_modbase_operand): New.
7161 (tp_or_register_operand): New.
7163 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7165 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7166 (look_for_address_of): Ditto.
7167 (ipa_init): Walk the function decls.
7168 (static_execute): Don't set readonly on FUNCTION_DECL's.
7170 2006-01-18 Roger Sayle <roger@eyesopen.com>
7172 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7173 for shifts where the source and destination registers are different.
7175 2006-01-18 Paul Brook <paul@codesourcery.com>
7177 Merge from csl-arm-branch.
7178 2005-03-14 Julian Brown <julian@codesourcery.com>
7179 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7180 (aeabi_llsl): Likewise.
7181 (ashrdi3): Likewise.
7182 (aeabi_lasr): Likewise.
7183 (lshrdi3): Likewise.
7184 (aeabi_llsr): Likewise.
7185 2005-03-10 Julian Brown <julian@codesourcery.com>
7186 * config.gcc: Disable shared libgcc for SymbianOS.
7187 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7189 2006-01-18 DJ Delorie <dj@redhat.com>
7191 * c-pragma.c (handle_pragma_diagnostic): New.
7192 (init_pragma): Register it.
7193 * doc/extend.texi: Document it.
7195 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7196 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7197 (diagnostic_context): Add classify_diagnostic[].
7198 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7199 as errors if they're overridden to DK_WARNING.
7200 (diagnostic_initialize): Initialize classify_diagnostic[].
7201 (diagnostic_set_kind_override): New.
7202 (diagnostic_report_diagnostic): Check for kind changes.
7203 * opts.c (common_handle_option): Take lang_mask. Update callers.
7205 * common.opt (Werror=): New.
7206 * doc/invoke.texi: Document -Werror=*
7208 2006-01-18 Jeff Law <law@redhat.com>
7210 * tree-vrp.c (test_for_singularity): Correct test for new
7211 min limit. Use operand_equal_p rather than pointer equality
7212 for testing if new min/max values are equal.
7214 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7215 using range information until after propagation and folding.
7217 2006-01-18 Richard Henderson <rth@redhat.com>
7218 Aldy Hernandez <aldyh@redhat.com>
7219 Jakub Jelinek <jakub@redhat.com>
7220 Diego Novillo <dnovillo@redhat.com>
7222 * omp-low.c: New file.
7223 * c-omp.c: New file.
7225 2006-01-18 Richard Henderson <rth@redhat.com>
7226 Jakub Jelinek <jakub@redhat.com>
7227 Diego Novillo <dnovillo@redhat.com>
7229 * doc/invoke.texi: Document -fopenmp.
7230 * tree-dump.h (debug_function): Declare.
7231 * hooks.c (hook_bool_tree_bool_false): New function.
7232 (hook_tree_tree_null): Remove.
7233 (hook_tree_tree_tree_null): New.
7234 * hooks.h: Update to match.
7235 * tree-pretty-print.c (debug_tree_chain): New.
7236 (print_generic_expr): Handle TDF_CHAIN.
7237 (dump_generic_node): Handle BLOCK.
7238 Do not abort with incomplete SWITCH_EXPRs.
7239 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7240 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7241 print space after directive name.
7242 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7243 Handle OMP_MASTER and OMP_ORDERED.
7244 Handle printing of OMP_BODY just in one place, goto
7245 dump_omp_body in the rest of OMP_* nodes that have
7247 Don't handle clause nodes here. Update omp statements to
7248 use dump_omp_clauses.
7249 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7250 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7251 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7252 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7253 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7254 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7255 Adjust output for GOMP_PARALLEL.
7256 (dump_omp_clauses): New.
7257 (print_declaration): Dump DECL_VALUE_EXPR.
7258 (op_symbol_1): Split out of op_symbol.
7259 (dumping_stmts): Remove. Update all users.
7260 * cgraph.c (cgraph_analyze_queue): New.
7261 (cgraph_add_new_function): New.
7262 * cgraph.h (cgraph_analyze_queue): Declare.
7263 (cgraph_add_new_function): Declare.
7264 (cgraph_lower_function): Remove.
7265 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7266 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7267 and TYPE_P nodes in its default clause.
7268 (empty_body_p): New.
7269 (tree_range_check_failed): New.
7271 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7272 OMP_CLAUSE_REDUCTION_MERGE,
7273 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7274 OMP_CLAUSE_PRIVATE_DEBUG,
7275 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7276 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7277 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7278 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7279 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7280 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7281 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7282 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7283 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7284 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7285 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7286 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7287 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7288 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7289 (TREE_RANGE_CHECK): New.
7290 (empty_body_p): Declare.
7291 (enum omp_clause_default_kind): New.
7292 (build_string_literal): Declare.
7293 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7294 (build5_stat, build5): Declare.
7295 * tree-pass.h (TDF_CHAIN): Define.
7296 * tree-pass.h (PROP_gimple_lomp): Define.
7297 (pass_lower_omp): Declare.
7298 * diagnostic.h (debug_tree_chain): Declare.
7299 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7301 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7302 * builtins.c (build_string_literal): Make extern.
7303 * gcc.c (include_spec_function): New.
7304 (static_spec_functions): Add it.
7305 (main): Move load of libgomp.spec ...
7306 (LINK_COMMAND_SPEC): ... here.
7307 (link_gomp_spec): New.
7308 (static_specs): Include it.
7309 (LINK_COMMAND_SPEC): Add link_gomp.
7310 (GOMP_SELF_SPECS): New.
7311 (driver_self_specs): Include it.
7312 (switch_matches): Don't mark inline.
7313 (main): Load libgomp.spec.
7314 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7315 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7316 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7317 * tree-gimple.h (enum omp_parallel): Declare.
7318 (determine_parallel_type): Declare.
7319 (omp_firstprivatize_variable): Declare.
7320 (omp_reduction_init): Declare.
7321 (diagnose_omp_structured_block_errors): Declare.
7322 (struct walk_stmt_info): Add want_return_expr.
7323 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7324 (find_omp_clause): Declare.
7325 (insert_field_into_struct): Declare.
7326 (struct walk_stmt_info): Move from tree-nested.c
7327 (walk_stmts): Declare.
7328 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7330 * cgraphunit.c (cgraph_lower_function): Make static.
7331 (cgraph_finalize_pending_functions): New.
7332 (cgraph_finalize_function): Call it.
7333 (cgraph_finalize_compilation_unit): Likewise.
7334 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7335 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7336 (BT_FN_UINT_UINT): New.
7337 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7338 DEF_FUNCTION_TYPE_VAR_4): Document.
7339 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7340 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7341 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7342 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7343 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7344 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7345 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7346 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7347 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7348 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7349 into separate files.
7350 (DEF_GOMP_BUILTIN): New.
7351 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7352 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7353 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7354 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7355 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7356 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7357 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7358 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7359 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7360 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7361 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7362 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7363 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7364 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7365 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7366 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7367 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7368 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7369 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7370 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7371 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7372 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7373 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7374 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7375 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7376 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7377 * sync-builtins.def: New file, moved from builtins.def.
7378 * omp-builtins.def: New file, moved from builtins.def.
7379 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7380 * gimple-low.c (lower_function_body): Clear data.
7381 (lower_stmt): Do not handle COMPOUND_EXPR.
7382 Remove call to print_node_brief.
7383 * c-tree.h (c_finish_omp_clauses): New prototype.
7384 (C_DECL_THREADPRIVATE_P): Define.
7385 (lookup_name_no_remap, c_omp_remap_private): Remove
7386 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7387 (check_for_loop_decls): Update decl.
7388 (lookup_name_no_remap, c_omp_remap_private): Declare.
7389 (build_indirect_ref, build_modify_expr, pushdecl,
7390 pushdecl_top_level): Move to c-common.h.
7391 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7392 before the switch, but just in the 2 places that need it.
7393 * c-decl.c (diagnose_mismatched_decls): Do not check for
7394 mismatched thread-local attributes when OLDDECL is marked
7395 threadprivate and NEWDECL has no thread-local attributes.
7396 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7397 (c_gimple_diagnostics_recursively): Rename from
7398 c_warn_unused_result_recursively. Invoke
7399 diagnose_omp_structured_block_errors.
7400 (check_for_loop_decls): Return a singular decl found.
7401 * langhooks.c (lhd_omp_predetermined_sharing): Return
7402 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7403 (lhd_omp_firstprivatize_type_sizes): New.
7404 (lhd_omp_assignment): New.
7405 (lhd_omp_predetermined_sharing): New.
7406 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7407 (struct lang_hooks_for_types): Add
7408 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7409 omp_predetermined_sharing, omp_disregard_value_expr,
7410 omp_private_debug_clause, omp_clause_default_ctor,
7411 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7412 (c_finish_omp_clauses): New.
7413 (c_finish_bc_stmt): Diagnose break within omp for.
7414 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7415 (build_unary_op): Return error_mark after reporting
7417 (build_modify_expr): Likewise.
7418 * gimplify.c: Include optabs.h and pointer-set.h.
7419 (enum gimplify_omp_var_data): Declare.
7420 (struct gimplify_omp_ctx): Declare.
7421 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7423 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7424 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7425 (splay_tree_compare_decl_uid): New.
7426 (new_omp_context): New.
7427 (delete_omp_context): New.
7428 (gimple_add_tmp_var): Call omp_add_variable.
7429 (gimplify_bind_expr): Likewise.
7430 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7431 true, disregard DECL_VALUE_EXPR on the decl if any.
7432 (gimplify_expr_in_ctx): New.
7433 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7434 omp_add_variable, omp_notice_variable, omp_is_private
7435 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7436 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7437 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7438 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7439 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7440 gimplify_omp_atomic): New.
7441 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7442 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7443 OMP_CRITICAL and OMP_ATOMIC.
7444 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7445 * c-pragma.h (enum pragma_kind): Add
7446 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7447 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7448 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7449 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7450 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7451 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7452 PRAGMA_OMP_THREADPRIVATE.
7453 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7454 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7455 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7456 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7457 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7458 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7459 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7460 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7461 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7462 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7463 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7464 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7465 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7467 (struct nesting_info): Add field_map,
7468 suppress_expansion, debug_var_chain.
7469 (create_nesting_tree): Initialize them.
7470 (lookup_field_for_decl): Use field_map.
7471 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7472 (convert_local_omp_clauses): New.
7473 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7474 (walk_body): Split out of walk_function.
7475 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7476 (convert_nonlocal_reference): Handle omp statements.
7477 (convert_local_reference): Likewise.
7478 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7479 (unnest_nesting_tree): New.
7480 (lower_nested_functions): Call it.
7481 (insert_field_into_struct): Make extern.
7482 (struct walk_stmt_info): Move to tree-gimple.h.
7483 (walk_stmts): Make extern.
7484 * omp-builtins.def: New file.
7485 * tree-iterator.c (expr_only): Clarify comment.
7486 * c-common.h (pushdecl_top_level, pushdecl,
7487 build_modify_expr, build_indirect_ref,
7488 c_finish_omp_master, c_finish_omp_critical,
7489 c_finish_omp_ordered, c_finish_omp_barrier,
7490 c_finish_omp_atomic, c_finish_omp_flush,
7491 c_finish_omp_for, c_split_parallel_clauses,
7492 omp_clause_default_kind, c_omp_sharing_predetermined,
7493 c_omp_remap_decl): Declare.
7494 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7495 (OBJS-common): Add omp-low.o.
7496 (c-omp.o, omp-low.o): Add.
7497 (gimplify.o): Add dependency on $(OPTABS_H).
7498 (GTFILES): Add omp-low.c.
7499 (gt-stringpool.h): Add.
7500 * tree-cfg.c (set_bb_for_stmt): Do not update the
7501 block-to-labels map if we are currently expanding to RTL.
7502 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7504 Handle IDENTIFIER_NODE.
7505 (tree_verify_flow_info): Do not ICE when emitting error
7506 messages about invalid labels.
7507 (dump_function_to_file): Reset CFUN before emitting the body
7509 (debug_function): New.
7510 * passes.c (init_optimization_passes): Schedule
7512 * langhooks-def.h (lhd_omp_predetermined_sharing,
7513 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7515 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7516 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7517 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7518 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7519 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7520 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7521 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7522 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7523 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7524 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7525 (LANG_HOOK_DECLS): Use them.
7527 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7528 Richard Henderson <rth@redhat.com>
7529 Jakub Jelinek <jakub@redhat.com>
7530 Diego Novillo <dnovillo@redhat.com>
7532 * c-parser.c (pragma_omp_clause): Define.
7533 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7534 (c_parser_compound_statement): Likewise.
7535 (c_parser_statement): Likewise.
7536 (c_parser_pragma): Handle omp pragmas.
7537 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7538 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7539 (c_parser_omp_clause_name, check_no_duplicate_clause,
7540 c_parser_omp_variable_list,
7541 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7542 c_parser_omp_clause_copyprivate,
7543 c_parser_omp_clause_default,
7544 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7545 c_parser_omp_clause_lastprivate,
7546 c_parser_omp_clause_nowait,
7547 c_parser_omp_clause_num_threads,
7548 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7549 c_parser_omp_clause_reduction,
7550 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7551 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7552 c_parser_omp_atomic, c_parser_omp_barrier,
7553 c_parser_omp_critical, c_parser_omp_flush,
7554 c_parser_omp_for_loop, c_parser_omp_for,
7555 c_parser_omp_master, c_parser_omp_ordered,
7556 c_parser_omp_sections_scope, c_parser_omp_sections,
7557 c_parser_omp_parallel, c_parser_omp_single,
7558 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7559 * c-pragma.c (init_pragma): Do omp pragma registration here.
7560 * c.opt (fopenmp): New flag.
7562 2006-01-18 Eric Christopher <echristo@apple.com>
7564 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7565 * config/darwin.h (GOMP_SELF_SPECS): Define.
7567 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7569 * rtl.h: Remove the prototype for reg_alloc.
7571 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7574 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7575 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7576 sjlj and dwarf2 exception handling.
7577 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7578 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7579 * pa/pa.c (function_value): Treat complex and vector types as
7581 (function_arg): Likewise. Only pass scalar floats in the floating
7582 point argument registers.
7583 * pa/t-slibgcc-dwarf-ver: New file.
7584 * pa/t-slibgcc-sjlj-ver: New file.
7585 * pa/t-slibgcc-elf-ver: Delete file.
7587 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7589 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7590 unlikely_test_section_p test.
7592 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7594 * mode-switching.c (optimize_mode_switching): Make it static.
7595 * basic-block.h: Remove the prototype for
7596 optimize_mode_switching.
7598 * modulo-sched.c (sms_schedule): Make it static.
7599 * rtl.h: Remove the prototype for sms_schedule.
7601 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7602 * rtl.h: Remove the prototype for gcse_after_reload_main.
7604 * reg-stack.c (reg_to_stack): Make it static.
7605 * rtl.h: Remove the prototype for reg_to_stack.
7607 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7609 * rtl.h: Remove the prototypes for regrename_optimize and
7610 copyprop_hardreg_forward.
7612 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7614 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7615 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7616 Test against the appropriate null constant for the mode.
7617 If 'fixup_overlap' is true, swap the operands if they overlap.
7618 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7619 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7620 alpha_split_tmode_pair and adjust for above change.
7621 * config/alpha/alpha.md (movtf_internal): Adjust call to
7622 alpha_split_tfmode_pair and rely on it to swap the operands.
7623 (movti_internal): New insn and post-reload splitter.
7624 (movti): New expander.
7626 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7628 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7631 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7633 * rtlanal.c (global_reg_mentioned_p_1,
7634 global_reg_mentioned_p): Remove.
7635 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7637 * flow.c (initialize_uninitialized_subregs): Make it static.
7638 * rtl.h: Remove the prototype for
7639 initialize_uninitialized_subregs.
7641 * function.c (instantiate_virtual_regs): Make it static.
7642 * function.h: Remove the prototype for
7643 instantiate_virtual_regs.
7645 * regmove.c (regmove_optimize, combine_stack_adjustments):
7647 * rtl.h: Remove the prototypes for regmove_optimize and
7648 combine_stack_adjustments.
7650 2006-01-17 Roger Sayle <roger@eyesopen.com>
7652 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7653 (size_cost): Encode costs in bytes so that a reg-reg addition is
7654 equivalent to COSTS_N_INSNS(1).
7655 (override_options): Use the size_cost.branch_cost as the default
7656 ix86_branch_cost when optimizing for size.
7658 2006-01-18 Ben Elliston <bje@au.ibm.com>
7660 * Makefile.in (D32PBIT_FUNCS): New.
7661 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7662 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7663 D64PBIT_FUNCS and D128PBIT_FUNCS.
7664 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7665 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7667 (decnumber_dep): Define.
7668 * doc/libgcc.texi (Decimal float library routines): New node.
7669 * config/dfp-bit.h, config/dfp-bit.c: New files.
7671 2006-01-18 Ben Elliston <bje@au.ibm.com>
7673 * expr.c (emit_move_change_mode): Always adjust addresses, not
7674 just during reload. Copy replacements only during reload.
7675 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7676 emit_move_via_integer.
7678 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7680 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7681 instead of $(srcdir) and ${srcdir}.
7683 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7687 * arm.h (struct machine_function): Add pic_reg.
7688 * arm.c (arm_pic_register): Make unsigned.
7689 (arm_override_options): Only set arm_pic_register if
7690 TARGET_SINGLE_PIC_BASE.
7691 (use_return_insn): Only test for a pic register if it is fixed.
7692 (arm_compute_save_reg0_reg12_mask): Likewise.
7693 (thumb_compute_save_reg_mask): Likewise.
7694 (legitimate_pic_operand): Factor out some known invariants.
7695 (legitimize_pic_address): If we don't have a fixed pic register,
7696 then set up a pseudo in the function entry sequence. Handle the
7697 pic base being in a pseudo.
7698 (arm_load_pic_register): Handle the pic register being in a pseudo.
7699 (arm_expand_prologue): Only set up the pic register if it is fixed.
7700 (thumb_expand_prologue): Likewise.
7701 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7702 (pic_load_addr_based_insn): Likewise.
7703 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7706 2006-01-18 Ben Elliston <bje@au.ibm.com>
7708 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7709 decimal float modes for all floating point registers.
7711 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7712 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7714 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7717 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7718 even when the pointer is not NULL.
7720 2006-01-16 Ian Lance Taylor <ian@airs.com>
7722 * common.opt (ftoplevel-reorder): New option.
7723 * cgraph.c (cgraph_asm_nodes): New global variable.
7724 (cgraph_asm_last_node): New static variable.
7725 (cgraph_order): New global variable.
7726 (cgraph_create_node): Set new order field.
7727 (cgraph_varpool_node): Likewise.
7728 (decide_is_variable_needed): Return true if not
7729 flag_toplevel_reorder.
7730 (cgraph_add_asm_node): New function.
7731 * cgraph.h (struct cgraph_node): Add order field.
7732 (struct cgraph_varpool_node): Add order field.
7733 (struct cgraph_asm_node): Define.
7734 (cgraph_asm_nodes, cgraph_order): Declare.
7735 (cgraph_add_asm_node): Declare.
7736 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7738 (cgraph_varpool_assemble_pending_decls): Call it.
7739 (cgraph_output_pending_asms): New static function.
7740 (cgraph_finalize_compilation_unit): Call it.
7741 (struct cgraph_order_sort): Define.
7742 (cgraph_output_in_order): New static function.
7743 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7744 !flag_toplevel_reorder case.
7745 * c-parser.c: Include "cgraph.h".
7746 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7748 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7749 than -fno-unit-at-a-time.
7750 * doc/invoke.texi (Option Summary): Mention
7751 -fno-toplevel-reorder.
7752 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7753 -funit-at-a-time documentation.
7755 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7756 Kazu Hirata <kazu@codesourcery.com>
7758 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7760 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7762 * Makefile.in (FUNCTION_H): New. Use it instead of
7763 function.h throughout the file.
7764 * function.h: Include tree.h.
7766 2006-01-17 Ben Elliston <bje@au.ibm.com>
7768 * recog.c: Separate some functions with whitespace.
7770 2006-01-16 Richard Henderson <rth@redhat.com>
7772 Merge from gomp branch:
7773 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7774 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7775 and rename from struct inline_data. Rename callee* to dst*;
7776 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7777 transform_new_cfg, transform_return_to_modify, and
7778 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7780 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7781 (copy_decl_for_dup): Remove.
7782 * tree-inline.c (struct inline_data): Move to header.
7783 (insert_decl_map): Export.
7784 (remap_decl): Update for member name changes. Use copy_decl hook.
7785 Allow for replacement to be a non-decl. Remove dead code.
7786 (remap_type_1): Check for existing mapping.
7787 (remap_type): Export.
7788 (remap_decls): Update for member name changes.
7789 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7790 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7791 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7792 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7793 (tree_function_versioning, build_duplicate_type): Likewise.
7794 (copy_body_r): Likewise. Export.
7795 (copy_decl_for_dup): Split into ...
7796 (copy_decl_for_dup_finish, copy_decl_to_var,
7797 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7798 (replace_ref_tree, inlining_p): Remove.
7800 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7802 * ifcvt.c (if_convert): Make it static.
7803 * rtl.h: Remove the prototype for if_convert.
7805 * local-alloc.c (local_alloc): Make it static.
7806 * rtl.h: Remove the prototype for local_alloc.
7808 * loop.c (loop_optimize): Make it static.
7809 * cfgloop.h: Remove the prototype for loop_optimize.
7812 2006-01-16 DJ Delorie <dj@redhat.com>
7814 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7817 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7819 * pa.md: Disparage copies between general and floating-point registers
7820 in 32-bit move patterns.
7822 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7825 * Makefile.in (check-%): Depend on site.exp instead of
7826 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7829 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7831 * global.c (global_alloc): Make it static.
7832 * rtl.h: Remove the prototype for global_alloc.
7834 2006-01-16 Richard Guenther <rguenther@suse.de>
7836 * tree-ssa-alias.c (struct used_part): Add write_only field.
7837 (get_or_create_used_part_for): Initialize it to true.
7838 (create_overlap_variables_for): Don't create structure variables
7839 for structures that only are written to.
7840 (find_used_portions): Handle MODIFY_EXPR to track whether a
7841 structure is only written to.
7843 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7845 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7847 * basic-block.h: Remove the prototype for
7848 partition_hot_cold_basic_blocks.
7850 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7852 * cppspec.c (lang_specific_spec_functions): Remove.
7853 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7854 * gcc.h (lang_specific_spec_functions): Remove.
7855 * gccspec.c (lang_specific_spec_functions): Remove.
7857 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7859 * combine.c (record_value_for_reg): Invalidate registers
7861 (record_dead_and_set_regs_1): Likewise, by passing them to
7862 record_value_for_reg.
7863 (record_dead_and_set_regs): Invalidate stores made by a
7864 call. We do not combine across a call, but we still
7865 relied on equivalences.
7867 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7869 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7870 vrp_int_const_binop returning non-constant nodes.
7872 2006-01-16 Paul Brook <paul@codesourcery.com>
7874 * config/m68k/m68k.c (output_move_const_into_data_reg):
7875 Output correct mnemonic for mvz and mvs.
7877 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7879 * rtl-factoring.c: Add sequence abstraction algorithm.
7880 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7881 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7883 (block_has_preserve_label): New function.
7884 * common.opt: Register new pass.
7885 * Makefile.in: Ditto.
7887 * timevar.def: Ditto.
7888 * tree-pass.h: Ditto.
7889 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7890 * rtl.h (make_jump_insn_raw): Add forward decl.
7891 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7893 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7894 Roger Sayle <roger@eyesopen.com>
7896 * fold-const.c (fold_minmax): New static function.
7897 (fold_binary) <MIN_EXPR>: Call it.
7898 <MAX_EXPR>: Likewise.
7899 * stor-layout.c (place_field): Use DECL_SIZE consistently
7900 in the computation of the new record size.
7902 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7904 * cse.c (cse_condition_code_reg): Make it static.
7905 * rtl.h: Remove the prototype for cse_condition_code_reg.
7907 * combine.c (combine_instructions): Make it static.
7908 * rtl.h: Remove the prototype for combine_instructions.
7910 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7913 * tree.c (get_file_function_name_long): Concatenate the first global
7914 object name with a string derived from the input filename of the object
7917 2006-01-16 Ben Elliston <bje@au.ibm.com>
7919 * config/i386/winnt-stubs.c: Update FSF address.
7920 * config/xtensa/ieee754-df.S: Ditto.
7921 * config/xtensa/ieee754-sf.S: Ditto.
7923 2006-01-14 Ian Lance Taylor <ian@airs.com>
7925 * ifcvt.c (noce_init_if_info): New static function, broken out of
7926 noce_process_if_block.
7927 (noce_process_if_block): Call noce_init_if_info.
7928 (check_cond_move_block): New static function.
7929 (cond_move_process_if_block): New static function.
7930 (process_if_block): Call cond_move_process_if_block.
7932 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7934 * cselib.c (hash_table): Rename to cselib_hash_table.
7935 (cselib_clear_table, discard_useless_values,
7936 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7937 cselib_init, cselib_finish): Adjust uses of hash_table.
7939 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7941 PR tree-optimization/25485
7942 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7943 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7944 is known to be false and true, respectively.
7946 2006-01-14 Richard Guenther <rguenther@suse.de>
7948 PR tree-optimization/22548
7949 PR tree-optimization/22555
7950 PR tree-optimization/22501
7951 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7952 * params.def (salias-max-array-elements): New parameter.
7953 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7954 * doc/invoke.texi (salias-max-array-elements): Document.
7955 * tree-flow-inline.h (var_can_have_subvars): We also handle
7957 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7959 * tree-ssa-structalias.c (params.h): Include.
7960 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7961 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7962 (get_constraint_for): For ADDR_EXPR operating on something
7963 containing an ARRAY_REF, add all subvars to the solution.
7964 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7965 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7966 for creating MUST_DEFs.
7967 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7969 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7971 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7973 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7974 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7975 number_of_iterations_le): New functions.
7976 (number_of_iterations_special): Removed.
7977 (number_of_iterations_exit): Do not use number_of_iterations_special.
7978 * tree.c (unsigned_type_for): Always return integer type.
7980 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7981 Richard Guenther <rguenther@suse.de>
7983 PR rtl-optimization/24257
7984 * gcse.c (find_moveable_store): Only consider a store movable
7985 when the SET_SRC of the insn can be assigned to a register.
7987 2006-01-14 Ian Lance Taylor <ian@airs.com>
7989 * tree.c (tree_not_class_check_failed): New function.
7990 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7991 (tree_not_class_check_failed): Declare.
7993 2006-01-13 Ian Lance Taylor <ian@airs.com>
7995 * reload1.c (do_output_reload): Add assertion rejecting a
7998 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8000 * combine.c (struct reg_stat): Add new fields truncation_label and
8002 (record_value_for_reg): Reset truncated_to_mode.
8003 (record_truncated_value): New function.
8004 (check_promoted_subreg): Call it. Rename to check_conversions.
8005 (combine_instructions): Rename check_promoted_subreg to
8007 (reg_truncated_to_mode): New function.
8008 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8009 (gen_lowpart_or_truncate): New function.
8010 (force_to_mode): Use it instead of gen_lowpart.
8012 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8014 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8015 VAR is a tag, not its type tag.
8017 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8019 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8020 alternatives to match style of other entries.
8021 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8023 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8025 PR tree-optimization/25771
8026 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8029 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8032 * tree-inline.c (declare_return_variable): If the return variable
8033 was marked as a non gimple complex, set the return slot variable
8034 to be a non gimple comple variable.
8036 2006-01-13 Richard Guenther <rguenther@suse.de>
8038 * builtins.c (expand_builtin_sincos): New function.
8039 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8041 (expand_builtin): Expand sincos using expand_builtin_sincos.
8043 2006-01-12 DJ Delorie <dj@redhat.com>
8045 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8046 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8047 so that constant shifts can be split.
8048 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8049 (m32c_valid_pointer_mode): Make static.
8050 (shift_gen_func_for): New.
8051 (m32c_prepare_shift): Use it. Split large const shifts into
8053 * config/m32c/predicates.md (shiftcount_operand): Allow more
8055 (longshiftcount_operand): New.
8056 * doc/md.texi (Machine Constraints): Document In6.
8058 2006-01-13 Ben Elliston <bje@au.ibm.com>
8060 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8061 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8064 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8066 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8067 to try to avoid clobbering pieces of structures when we know
8068 something about the whole structure.
8069 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8071 2006-01-13 Ben Elliston <bje@au.ibm.com>
8073 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8074 return in memory, as this is no limitation is no longer present.
8076 2006-01-12 DJ Delorie <dj@redhat.com>
8078 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8079 mova with fb, and for fb+0 -> An.
8081 * config/m32c/mov.md (peephole2): Fix enabling logic.
8083 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8084 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8085 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8086 FINI_ARRAY_SECTION_ASM_OP): Define.
8088 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8090 (m32c_legitimize_reload_address): New logic to reload FB to An.
8091 (m32c_output_reg_push): Add newline.
8092 (m32c_output_reg_pop): Likewise.
8094 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8096 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8098 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8100 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8102 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8104 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8107 2006-01-11 Ben Elliston <bje@au.ibm.com>
8109 * rtlanal.c (find_reg_note): Assert insn is not null.
8111 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8113 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8116 2006-01-11 Jeff Law <law@redhat.com>
8118 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8120 (mark_threaded_blocks, register_jump_thread): New functions.
8121 (thread_through_all_blocks): Remove unwanted argument. No
8122 longer rely on e->aux to communicate thread target info.
8123 Call mark_threaded_blocks. Release the threaded_blocks
8124 bitmap and threaded_edges vector when complete.
8125 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8126 (threaded_blocks): Remove.
8127 (tree_ssa_dominator_optimize): Remove initialization and
8128 finalization of threaded_blocks. Simplify call to
8129 thread_through_all_blocks.
8130 (thread_across_edge): Call register_jump_thread rather than
8131 storing thread information into e->aux.
8132 (free_all_edge_infos): Simplify now that e->aux is no longer
8133 used to communicate with thread_through_all_blocks.
8134 * tree-flow.h (thread_through_all_blocks): Update prototype.
8135 (register_jump_thread): Prototype.
8137 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8139 * df-core.c (df_compact_blocks, df_bb_replace): Use
8140 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8142 2006-01-11 Richard Guenther <rguenther@suse.de>
8144 PR tree-optimization/25734
8145 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8146 stop propagation after successful propagation to the LHS.
8148 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8150 * basic-block.h (control_flow_graph): Change the type of
8151 x_basic_block_info to VEC(basic_block,gc) *.
8152 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8154 (SET_BASIC_BLOCK): New.
8155 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8156 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8157 * cfgbuild.c (find_basic_blocks): Likewise.
8158 * cfglayout.c (fixup_reorder_chain): Likewise.
8159 * cfgrtl.c (create_basic_block_structure,
8160 rtl_create_basic_block): Likewise.
8161 * ifcvt.c (find_if_case_1): Likewise.
8162 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8165 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8167 * Makefile.in: Removed rotted odf.c entry.
8169 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8172 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8173 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8174 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8175 output pattern modifier, not %e.
8176 * config/cris/cris.c (cris_op_str): Update comment about pattern
8178 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8179 before falling through into...
8180 <case 'E'>: Redefined from old 'e' case.
8182 2006-01-11 Jan Hubicka <jh@suse.cz>
8185 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8187 2006-01-11 Jan Hubicka <jh@suse.cz>
8189 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8190 * i386.c (x86_decompose_lea): Kill.
8191 (ix86_rtx_costs): Kill.
8193 2006-01-11 Jan Hubicka <jh@suse.cz>
8195 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8196 * cgraph.h (cgraph_node): Add inline_decl.
8197 (cgraph_insert_node_to_hashtable): Declare.
8198 (save_inline_function_body): Declare.
8199 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8201 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8202 (cgraph_function_versioning): Update call of tree_function_versioning.
8203 (save_inline_function_body): New function.
8204 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8205 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8206 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8207 (cgraph_default_inline_p): Likewise.
8208 (cgraph_decide_inlining_incrementally): Likewise.
8209 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8210 (copy_bb): Kill saving; do updating of clones.
8211 (copy_cfg_body): Kill saving.
8212 (initialize_inlined-parameters): Likewise.
8213 (expand_call_inline): Likewise.
8215 (tree_function_versioning): New parameter "update_clones".
8216 (inlining_p): Kill saving.
8217 * tree-inline.h (tree_function_versioning): Update prototype.
8218 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8221 2006-01-11 Ian Lance Taylor <ian@airs.com>
8223 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8224 Allow undoing set of machine mode.
8225 (do_SUBST): Use enums instead of is_int.
8226 (do_SUBST_MODE): New function.
8227 (SUBST_MODE): New macro.
8228 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8229 reg and trying to replace reg_regno_rtx with a new register.
8230 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8231 (simplify_set): Use SUBST_MODE.
8232 (distribute_notes): Remove code that tried to update reg notes
8233 for regno_reg_rtx changes.
8235 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8237 PR tree-optimization/23109
8238 PR tree-optimization/23948
8239 PR tree-optimization/24123
8241 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8242 * tree-cfg.c (single_noncomplex_succ): New.
8243 * tree-flow.h (single_noncomplex_succ): Declare it.
8244 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8245 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8246 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8247 insert_bb, register_division_in, insert_reciprocals,
8248 replace_reciprocal, free_bb): New.
8249 (execute_cse_reciprocals_1): Rewritten.
8250 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8251 Do not commit any edge insertion. Always compute dominators and
8252 create the allocation pool.
8253 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8254 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8255 * targhooks.c (default_min_divistions_for_recip_mul): New.
8256 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8257 * passes.c (init_optimization_passes): Run recip after tree loop
8259 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8261 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8262 Kenneth Zadeck <zadeck@naturalbridge.com>
8264 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8265 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8266 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8267 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8268 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8269 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8270 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8271 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8272 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8273 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8274 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8275 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8276 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8277 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8278 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8279 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8280 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8281 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8282 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8283 DF_SCAN_POST_ALLOC): New macros.
8284 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8285 df_free_bb_function, df_local_compute_function, df_init_function,
8286 df_dataflow_function, df_confluence_function_0,
8287 df_confluence_function_n, df_transfer_function,
8288 df_finalizer_function, df_free_function, df_dump_problem_function,
8289 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8290 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8291 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8292 df_urec_bb_info, ) New types.
8293 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8295 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8296 df_analyze_simple_change_some_blocks,
8297 df_analyze_simple_change_one_block, df_compact_blocks,
8298 df_bb_replace, df_bb_regno_last_use_find,
8299 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8300 df_insn_regno_def_p, df_find_def, df_find_use,
8301 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8302 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8303 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8304 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8305 debug_df_chain, df_get_dependent_problem, df_chain_create,
8306 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8307 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8308 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8309 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8310 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8311 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8312 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8313 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8314 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8315 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8316 df_reorganize_refs, df_set_state, df_hard_reg_init,
8317 df_read_modify_subreg_p) New public functions.
8318 * df-core.c: The core dataflow solver and glue routines for rtl
8320 (df_init, df_add_problem, df_set_blocks, df_finish,
8321 df_hybrid_search_forward, df_hybrid_search_backward,
8322 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8323 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8324 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8325 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8326 df_reg_defined, df_find_use, df_reg_used, df_dump,
8327 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8328 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8329 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8330 debug_df_useno, reset_df_after_reload): New functions.
8331 * df-scan.c: The scanning fuctions, once in df.c, completely
8332 rewritten so that they now fully model the functionality of
8333 register usage at the backend.
8334 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8335 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8336 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8337 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8338 df_get_artificial_defs, df_get_artificial_uses,
8339 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8340 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8341 df_refs_delete, df_reorganize_refs, df_set_state,
8342 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8343 df_def_record_1, df_defs_record, df_uses_record,
8344 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8345 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8346 df_record_exit_block_uses, df_hard_reg_init): New functions.
8348 * df-problems.c: Seven concrete dataflow problems that use the
8349 scanning in df-scan.c and are solved by the engine in df-core.c.
8350 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8351 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8352 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8353 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8354 df_ru_free_bb_info, df_ru_alloc,
8355 df_ru_bb_local_compute_process_def,
8356 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8357 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8358 df_ru_transfer_function, df_ru_free, df_ru_dump,
8359 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8360 df_rd_free_bb_info, df_rd_alloc,
8361 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8362 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8363 df_rd_transfer_function, df_rd_free, df_rd_dump,
8364 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8365 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8366 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8367 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8368 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8369 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8370 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8371 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8372 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8373 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8374 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8375 df_urec_mark_reg_use_for_earlyclobber,
8376 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8377 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8378 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8379 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8380 df_chain_create_bb_process_use, df_chain_create_bb,
8381 df_chain_finalize, df_chain_free, df_chains_dump,
8382 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8383 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8384 df_reg_lifetime): New functions.
8385 * df.c: Deleted file.
8386 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8387 consistent with new df api.
8388 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8389 rest_of_handle_sms): Ditto.
8390 * web.c (unionfind_union, union_defs, entry_register, web_main):
8392 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8393 invariant_expr_equal_p, find_defs, check_dependencies,
8394 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8395 free_inv_motion_data, move_loop_invariants): Ditto.
8396 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8397 Update dependencies.
8398 (odf.c): Added defective entry that was deleted later in day.
8399 * sched-deps.c (sched_analyze_1): Ditto.
8401 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8403 * tree-ssa-operands.c (get_expr_operands): Record addressable
8404 variables directly. Do not call add_stmt_operands for CONST_DECLs
8406 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8407 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8409 2006-01-11 Ben Elliston <bje@au.ibm.com>
8411 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8412 function returns true in the positive case.
8414 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8417 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8418 for SI, DI, SF and DF modes. Add alternatives to copy between
8419 general and floating point registers to the 32-bit patterns.
8420 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8421 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8422 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8423 generating 64-bit code.
8424 * config/pa/pa.c (output_move_double): Handle copies between general
8425 and floating registers.
8427 2006-01-10 Stuart Hastings <stuart@apple.com>
8429 * config/i386/i386.md (set_got): Update.
8430 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8431 (builtin_setjmp_receiver): Mach-O support.
8432 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8433 (GOT_SYMBOL_NAME): Define.
8434 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8435 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8436 * config/i386/i386.c (override_options): Revise for Darwin.
8437 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8438 support. (darwin_x86_file_end): New. (output_set_got): Add label
8439 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8440 * config/i386/i386-protos.h (output_set_got): Likewise.
8441 * config/darwin.c (machopic_legitimize_pic_address): Update
8444 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8446 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8447 when MODE isn't BLKmode.
8449 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8451 PR rtl-optimization/25367
8452 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8454 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8457 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8458 for a negative bound.
8460 2006-01-10 Richard Guenther <rguenther@suse.de>
8462 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8463 Never override with anything constraint.
8465 2006-01-10 Jan Beulich <jbeulich@novell.com>
8467 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8468 256 bits when optimize_size.
8470 2006-01-10 Jan Beulich <jbeulich@novell.com>
8472 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8474 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8475 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8478 2006-01-10 Ben Elliston <bje@au.ibm.com>
8480 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8482 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8483 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8484 (USE_FP_FOR_ARG): Reject decimal float modes.
8485 (function_arg_advance): Likewise.
8486 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8487 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8488 point types in AltiVec vectors.
8489 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8490 (rs6000_libcall_value): Likewise.
8492 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8494 * config/xtensa/ieee754-df.S: New file.
8495 * config/xtensa/ieee754-sf.S: New file.
8496 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8497 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8498 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8500 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8502 * config/sh/predicates.md (binary_float_operator,
8503 binary_logical_operator, commutative_float_operator,
8504 equality_comparison_operator, greater_comparison_operator,
8505 less_comparison_operator, logical_operator,
8506 noncommutative_float_operator, shift_operator,
8507 symbol_ref_operand, unary_float_operator): Remove redundant
8510 2006-01-09 Jeff Law <law@redhat.com>
8512 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8513 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8514 now unused arguments. Callers updated.
8515 (eliminate_redundant_computations): Remove now unused arguments,
8517 (local_fold): Remove, no longer used.
8518 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8520 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8521 (simplify_cond): New function.
8522 (forward_propagate_into_cond): Call simplify_cond.
8524 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8526 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8527 (*vec_extractv2di_1_sse): New.
8529 2006-01-09 Ben Elliston <bje@au.ibm.com>
8531 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8533 2006-01-08 Richard Guenther <rguenther@suse.de>
8535 * tree-ssa-structalias.c (get_constraint_for): Remove
8537 (get_constraint_for_component_ref): Likewise.
8538 (do_deref): Likewise.
8539 (get_constraint_for): Likewise.
8540 (do_structure_copy): Likewise.
8541 (handle_ptr_arith): Likewise.
8542 (find_func_aliases): Likewise. Remove unused need_anyoffset
8545 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8546 Kaz Kojima <kkojima@gcc.gnu.org>
8548 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8549 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8550 (EXTRA_CONSTRAINT_C16): Remove.
8551 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8552 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8553 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8554 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8555 constants of SHmedia. Handle nested constant expressions of
8557 (andcosts): Fix the costs for SHmedia constants.
8558 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8559 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8560 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8561 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8562 (movv4hi_i, movv2si_i): Likewise.
8563 (movsi_const): Adjust the second operand of ior so to match with
8565 (movdi_const, movdi_const_32bit): Likewise.
8566 (movdi_const_16bit+1): Don't sign-extend LOW.
8567 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8569 (*double_shori): Fix the split condition. Use GEN_INT instead
8570 of get_int_mode calls. Mask lower 16-bit of the argument of
8572 (sym2GOTPLT): Remove.
8573 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8575 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8576 instead of EXTRA_CONSTRAINT_C16.
8578 2006-01-07 Ian Lance Taylor <ian@airs.com>
8579 David Edelsohn <edelsohn@gnu.org>
8581 PR rtl-optimization/25662
8582 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8583 for constant operands instead of simplify_gen_binary.
8584 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8585 after trying simplify_binary_operation
8587 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8589 * tree.c (iterative_hash_expr): Hash decls based on UID.
8591 2006-01-06 Eric Christopher <echristo@apple.com>
8593 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8594 (TARGET_UNWIND_EMIT): Fix spelling.
8595 * target.h (gcc_target): Add except_table_label.
8596 * except.c (output_function_exception_table): Use.
8597 * varasm.c (default_emit_except_table_label): New.
8598 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8600 (asm_out): Add here.
8601 * output.h (default_emit_except_table_label): Prototype.
8602 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8603 * config/darwin.c (darwin_emit_except_table_label): Define.
8604 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8606 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR tree-optimization/18527
8609 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8610 number_of_iterations_special, number_of_iterations_exit):
8611 Move base and step of an iv to a single structure. Add
8612 no_overflow flag, and use it in # of iterations analysis.
8613 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8614 folded_casts argument.
8615 (simple_iv): Pass base and step in a structure. Set no_overflow
8617 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8618 Evaluate expensiveness of computing # of iterations instead of
8619 the final expression.
8620 * tree-scalar-evolution.h (affine_iv): New structure.
8621 (simple_iv): Declaration changed.
8622 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8623 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8624 find_givs_in_stmt): Changed due to simple_iv change.
8626 2006-01-06 Jeff Law <law@redhat.com>
8629 * tree-cfg.c (bsi_replace): Rename final argument from
8630 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8631 change (stmt -> orig_stmt).
8632 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8633 (bsi_remove): Add new argument. Remove EH information
8635 (verify_eh_throw_table_statements): New function.
8636 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8638 * tree-optimize.c (execute_free_cfg_annotations): Verify
8639 the EH throw statement table after removing annotations.
8640 * except.h (verify_eh_throw_table_statements): Prototype.
8641 * tree-flow.h (bsi_remove): Update prototype.
8642 * tree-vrp.c (remove_range_assertions): Add new argument to
8644 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8645 * tree-complex.c (expand_complex_div_wide): Likewise.
8646 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8647 * tree-tailcall.c (eliminate_tailcall): Likewise.
8648 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8649 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8650 * tree-nrv.c (tree_nrv): Likewise.
8651 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8652 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8653 (combine_blocks): Likewise.
8654 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8655 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8656 (cleanup_control_flow): Likewise.
8657 (remove_forwarder_block): Likewise.
8658 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8659 * tree-sra.c (sra_replace): Likewise.
8660 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8661 (forward_propagate_single_use_vars): Likewise.
8662 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8663 * tree-inline.c (expand_call_inline): Likewise.
8664 * tree-vect-transform.c (vect_transform_loop): Likewise.
8665 * tree-outof-ssa.c (rewrite_trees): Likewise.
8666 * tree-cfg.c (make_goto_expr_edges): Likewise.
8667 (cleanup_dead_labels): Likewise.
8668 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8669 (bsi_move_before, bsi_move_after): Likewise.
8670 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8671 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8673 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8676 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8678 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8679 on non gimple variables. Also add checks at the top for decls and
8681 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8683 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8684 and IMAGPART_EXPR for creating MUST_DEFs.
8685 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8686 and NAME_MEMORY_TAG separately from the DECLs.
8688 2006-01-06 Richard Guenther <rguenther@suse.de>
8690 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8691 annotation, if necessary.
8692 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8693 redundant calls to update_stmt.
8694 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8697 2006-01-05 Richard Henderson <rth@redhat.com>
8699 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8701 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8703 * c-typeck.c: Update copyright date.
8705 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8707 * c-typeck.c (build_c_cast): Always warn when casting
8708 from a pointer to an integer of different size, even if
8709 the node was constant.
8711 2006-01-05 Richard Guenther <rguenther@suse.de>
8713 PR tree-optimization/22555
8714 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8715 if one structure field is an array.
8716 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8717 operands even if we found a subvar, but ignore VOPs in this
8719 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8721 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8723 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8726 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8728 2006-01-05 Richard Guenther <rguenther@suse.de>
8729 Diego Novillo <dnovillo@redhat.com>
8731 * tree-pass.h (TODO_remove_unused_locals): Define.
8732 * gimple-low.c (expand_var_p, remove_useless_vars,
8733 pass_remove_useless_vars): Remove. Update all users.
8734 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8735 (remove_unused_locals): New function.
8736 * tree-flow.h (remove_unused_locals): Declare.
8737 * passes.c (execute_todo): Call remove_unused_locals if
8738 TODO_remove_unused_locals is set.
8739 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8740 * tree-ssa-dce.c (pass_dce): Likewise.
8741 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8743 2006-01-05 Richard Guenther <rguenther@suse.de>
8745 * tree-flow.h (struct fieldoff): Decompose field to
8746 type, size and decl.
8747 * tree-ssa-alias.c (create_sft): Take type as parameter.
8748 (create_overlap_variables_for): Store type, size and decl
8749 in the fieldoff structure.
8750 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8752 (push_fields_onto_fieldstack): Likewise.
8753 (create_variable_info_for): Likewise. Use offset for the
8754 SFT name if the decl is not available.
8756 2006-01-04 Paul Brook <paul@codesourcery.com>
8758 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8760 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8762 * lambda-code.c (can_put_in_inner_loop): Relax
8764 (can_put_after_inner_loop): New function.
8765 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8766 (perfect_nestify): Change to make copies and modify uses.
8768 2006-01-04 Richard Henderson <rth@redhat.com>
8770 Merge from gomp branch:
8771 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8772 via integer constant.
8773 (pragma_lex): Remove.
8774 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8775 rather than parsing it.
8776 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8777 handle_pragma_extern_prefix): Add %< %> quotes.
8778 (registered_pragmas): New.
8779 (c_register_pragma_1): New.
8780 (c_register_pragma): Use it.
8781 (c_register_pragma_with_expansion): Likewise.
8782 (c_invoke_pragma_handler): New.
8783 (init_pragma): Use cpp_register_deferred_pragma directly for
8785 * c-pragma.h (enum pragma_kind): New.
8786 (pragma_handler): New.
8787 (c_invoke_pragma_handler): Declare.
8788 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8790 * c-common.h (c_common_pch_pragma): Update decl.
8791 * Makefile.in (c-parser.o): Update dependencies.
8792 (GTFILES): Add c-pragma.h.
8793 * c-parser.c (struct c_token): Add pragma_kind.
8794 (struct c_parser): Add in_pragma.
8795 (c_lex_one_token): Always initialize keyword and pragma_kind.
8796 Extract data for CPP_PRAGMA.
8797 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8798 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8799 Don't allow CPP_PRAGMA_EOL if in_pragma.
8800 (c_parser_consume_pragma): New.
8801 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8802 (c_parser_skip_to_end_of_parameter): Likewise.
8803 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8804 (c_parser_skip_to_pragma_eol): New.
8805 (c_parser_external_declaration): Handle CPP_PRAGMA.
8806 (c_parser_compound_statement_nostart): Likewise.
8807 (c_parser_statement_after_labels): Likewise.
8808 (c_parser_pragma): New.
8809 (pragma_lex): Likewise.
8810 (c_parser_pragma_pch_preprocess): New.
8811 (c_parser_new): Merge into ...
8812 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8814 2006-01-04 Jeff Law <law@redhat.com>
8817 * tree-cfg.c (bsi_replace): Remove the original statement
8818 from the EH throw statement table.
8820 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8822 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8823 make the prototype extern "C" and add throw ().
8826 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8827 and pos non-negative and pos + len <= 32.
8828 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8829 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8830 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8833 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8834 as well as sizes not multiple of component size.
8837 * function.c (instantiate_expr): New function.
8838 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8839 walk its DECL_VALUE_EXPR with instantiate_expr.
8841 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8842 DW_OP_deref{,_size} if address isn't going to be added.
8844 2006-01-04 Ben Elliston <bje@au.ibm.com>
8846 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8847 * config/fp-bit.c: Likewise.
8849 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8851 * dominance.c: Add comment about why we use DFS numbering
8854 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8855 Richard Henderson <rth@redhat.com>
8857 Merge from gomp-branch:
8858 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8859 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8861 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8863 PR rtl-optimization/25578
8864 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8865 pass a parameter to simplify_shift_const if changing ASHIFTRT
8868 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8870 * builtins.c (get_builtin_sync_mem): New function.
8871 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8872 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8873 Call get_builtin_sync_mem to generate mem rtx.
8875 2006-01-03 Richard Guenther <rguenther@suse.de>
8878 * stmt.c (add_case_node): Make sure to clear overflow flags
8881 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8883 Merge from gomp-branch.
8884 * config/sparc/sync.md: New file.
8885 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8886 UNSPECV_LDSTUB): New constants.
8887 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8888 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8889 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8892 2006-01-03 Roger Sayle <roger@eyesopen.com>
8894 * combine.c (reg_subword_p): New predicate to test whether the
8895 destination of a set refers to a subword/piece of a register.
8896 (try_combine): Generalize the code to merge the setting of a
8897 pseudo to a constant followed by a set of a subword of that
8898 register to a constant.
8900 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8902 * basic-block.h (control_flow_graph): Change the type of
8903 x_label_to_block_map to VEC(basic_block,gc) *.
8904 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8905 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8907 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8908 VEC(basic_block,heap) *.
8909 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8910 ssa_prop_fini): Adjust the uses of cfg_blocks.
8912 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8914 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8916 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8917 hashing trees instead of a pointer hash.
8918 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8919 compare for MEM_EXPR.
8921 PR rtl-optimization/25130
8922 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8923 when comparing MEMs for GCSE
8925 2006-01-03 Ben Elliston <bje@au.ibm.com>
8927 * targhooks.h (default_decimal_float_supported_p): Declare.
8928 * targhooks.c (default_decimal_float_supported_p): Define.
8929 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8930 `default_decimal_float_supported_p'.
8931 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8933 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8935 * combine.c (apply_distributive_law <SUBREG>): Check
8936 TRULY_NOOP_TRUNCATION.
8938 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8940 * dwarf2out.c (have_switched_text_section): Delete.
8941 (have_multiple_function_sections): New.
8942 (have_location_lists): Make 'bool'.
8943 (add_AT_loc_list): Use 'true' not '1'.
8944 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8945 (output_loc_list): Use have_multiple_function_sections.
8946 (output_ranges): Likewise.
8947 (dwarf2out_begin_function): Set have_multiple_function_sections if
8949 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8950 Check function_section rather than DECL_SECTION_NAME.
8951 (dwarf2out_finish): Use have_multiple_function_sections.
8952 Don't clear have_location_lists.
8954 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8955 Jan Hubicka <jh@suse.cz>
8957 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8958 case of conditional jump jumping to the next instruction.
8959 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8960 cases of conditional jump jumping to the next instruction.
8962 2006-01-02 Jan Hubicka <jh@suse.cz>
8964 * i386.c (*_cost): Add COSTS_N_INSNS.
8965 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8967 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8970 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8972 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8974 * config/arm/arm.c (all_fpus): Fix comment typo.
8975 * config/darwin.c: Likewise.
8976 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8977 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8978 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8980 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8982 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8983 (rs6000_split_compare_and_swapqhi): New.
8984 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8985 (sync_compare_and_swapqhi_internal): New.
8986 * config/rs6000/rs6000-protos.h: Declare.
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