1 2006-04-07 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/26135
4 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5 loads for store copy-prop.
6 (copy_prop_visit_stmt): Likewise.
8 2006-04-05 Robert Millan <robertmh@gnu.org>
10 * gcc/config/i386/linux.h: Add a comment to mark macros that are
11 being overriden in config/k*bsd-gnu.h.
12 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14 * gcc/config/knetbsd-gnu.h: Ditto.
16 2006-04-06 Jan Hubicka <jh@suse.cz>
20 * coverage.c (coverage_checksum_string): Reorganize loop to not read
23 2006-04-06 Mike Stump <mrs@apple.com>
25 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
26 for HAVE_nonlocal_goto to be consistent.
27 (expand_builtin_nonlocal_goto): Likewise.
28 (expand_builtin_strcmp): Use #ifdef instead of #if
29 for HAVE_cmpstrnsi to be consistent.
31 2006-04-05 DJ Delorie <dj@redhat.com>
33 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
36 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
38 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
39 got-relative addressing for anything but SImode.
41 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
42 even if the calling function doesn't modify them.
44 2006-04-05 Richard Guenther <rguenther@suse.de>
46 PR tree-optimization/26919
47 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
48 to cgraph_estimate_size_after_inlining.
50 2006-04-05 Alan Modra <amodra@bigpond.net.au>
52 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
54 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
56 PR tree-optimization/26996
57 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
58 VECTOR_TYPE variables.
60 2006-04-05 Richard Guenther <rguenther@suse.de>
62 PR tree-optimization/26763
63 * fold-const.c (fold_comparison): Move folding of
64 PTR + CST CMP PTR + CST ...
65 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
67 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
69 * doc/install.texi (Prerequisites): Refine some wording on
70 bootstrapping and ksh.
71 Move the version numbers of DejaGnu here from the testing section
72 and fix casing of names.
73 Fix markup and clarify wording for autogen requirements.
74 Refer to GCJ instead of just java.
75 Refer to SVN instead of CVS.
76 Describe diffutils as useful instead of necessary.
77 (Downloading the source): Refer to SVN instead of CVS.
78 Adjust a link to our web site accordingly.
79 (Configuration): Fix casing of Bison.
80 (Building): Refer to SVN instead of CVS.
81 Fix a sentence on the use of Bison and remove duplicate (and
82 incorrect) version number of Bison requirement.
83 Remove one redundant list of packages needed for building.
84 (Specific): Avoid reference to CVS.
86 2006-04-04 Eric Christopher <echristo@apple.com>
88 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
89 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
90 (rs6000_handle_struct_attribute): New.
91 (rs6000_ms_bitfield_layout_p): Ditto.
93 2006-04-04 Geoffrey Keating <geoffk@apple.com>
95 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
96 NULL for dso parameter to atexit_common.
98 2006-04-04 Eric Christopher <echristo@apple.com>
100 * config/i386/i386.c (machopic_output_stub): Output \t
101 between instructions and operands.
103 2006-04-04 David Edelsohn <edelsohn@gnu.org>
105 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
106 satisfies_constraint_[IL] to explicit tests on value.
108 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
110 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
111 set_nb_iterations_in_loop): Use build_int_cst instead of
113 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
114 build_int_cst instead of convert.
116 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
118 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
119 new value 2 for incoming.
120 * function.c (expand_function_start): Call struct_value_rtx
122 * config/sparc/sparc.md: Comment updated_return.
123 * config/sparc/sparc.opt: Add -mstd-struct-return option.
124 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
125 struct return if sparc_std_struct_return and incoming is 2.
126 (print_operand): Do not adjust return if
127 sparc_std_struct_return.
129 2006-04-04 Roger Sayle <roger@eyesopen.com>
131 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
132 convert in the middle-end.
133 * expr.c (store_expr, store_constructor, get_inner_reference,
134 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
136 * tree.c (build_range_type): Likewise.
138 2006-04-04 Tom Tromey <tromey@redhat.com>
140 * doc/install.texi (Prerequisites): Mention jar.
142 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
144 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
147 2006-04-04 Matthias Klose <doko@debian.org>
149 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
151 2006-04-03 Geoffrey Keating <geoffk@apple.com>
153 * doc/extend.texi (Function Attributes): Rewrite visibility
154 attribute documentation.
155 * doc/invoke.texi (C++ Dialect Options): Rewrite
156 -fvisibility-inlines-hidden documentation to describe something
157 entirely different, although in practise compatible.
158 (Code Gen Options): Warn about system headers in -fvisibiltity=
161 * doc/extend.texi (Other Builtins): Document that
162 __builtin_nan is a compile-time constant only when its argument
165 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
167 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
168 trying to remove TRUNCATE check if all bits outside the new mode
169 are identical to the sign bit.
171 2006-04-03 Jeff Law <law@redhat.com>
173 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
174 and operand scanning in some common cases.
176 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
177 Dale Johannesen <dalej@apple.com>
180 * regclass.c (struct reg_pref): Update documentation.
181 (regclass): Set prefclass to NO_REGS if memory is the best option.
182 (record_reg_classes): Cope with a prefclass set to NO_REGS.
183 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
184 into account. For non-registers, equate an empty preferred
185 reload class to a `!' in the constraint; move the if clause to
186 do so after those that reject the insn.
187 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
189 (find_dummy_reload): Likewise.
190 * doc/tm.texi (Register Classes): Document what it means
191 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
192 * config/i386/i386.c (ix86_preferred_reload_class): Force
193 using SSE registers (and return NO_REGS for floating-point
194 constants) if math is done with SSE.
195 (ix86_preferred_output_reload_class): New.
196 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
197 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
198 * config/i386/i386.md: Remove # register preferences.
200 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
203 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
204 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
206 (instantiate_parameters_1): Convert the operands before calling
207 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
208 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
210 2006-04-02 Roger Sayle <roger@eyesopen.com>
212 * builtins.c (dummy_object): Use build_int_cst instead of convert.
213 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
215 * dojump.c (do_jump): Likewise.
216 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
217 * gimplify.c (gimple_boolify, gimplify_init_constructor,
218 gimplify_boolean_expr): Likewise.
219 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
220 * varasm.c (array_size_for_constructor): Likewise.
221 * tree-object-size.c (compute_object_offset): Likewise.
223 2006-04-02 Roger Sayle <roger@eyesopen.com>
226 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
227 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
229 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
231 PR tree-optimization/26939
232 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
234 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
236 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
237 at_stmt. Convert the type of operands before calling
238 build_polynomial_chrec.
239 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
241 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
242 (instantiate_parameters_1): Convert the type of operands before calling
243 build_polynomial_chrec.
244 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
245 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
246 reset_evolution_in_loop): Insert asserts to check the types of the
248 (chrec_type): Moved...
249 (eq_evolutions_p): Use operand_equal_p.
250 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
251 the types of the operands.
252 (chrec_type): ...here.
253 * tree-data-ref.c (create_data_ref): Convert the operands before
254 calling chrec_replace_initial_condition.
255 (same_access_functions, analyze_subscript_affine_affine,
256 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
257 (compute_subscript_distance, analyze_ziv_subscript,
258 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
259 analyze_miv_subscript): Convert the operands before calling
260 chrec_fold_minus or chrec_fold_plus.
262 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
264 * tree-data-ref.c (compute_all_dependences): Use a pointer to
265 the dependence_relations vector.
266 (compute_data_dependences_for_loop): Adjust call to
267 compute_all_dependences.
269 2006-04-01 Roger Sayle <roger@eyesopen.com>
270 Richard Henderson <rth@redhat.com>
272 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
273 gimple_boolify on the condition before calling gimplify_expr.
275 2006-03-31 Bob Wilson <bob.wilson@acm.org>
277 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
278 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
279 the frame size. Update to use the new macros.
280 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
281 * config/xtensa/ieee754-df.S: Likewise.
283 2006-03-31 Richard Henderson <rth@redhat.com>
285 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
286 (make_edges): ... here. Control fallthru creation with a local
287 variable. Do not play with fake edges.
288 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
289 (make_goto_expr_edges): Don't play with fake edges. Make for_call
292 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
294 * dwarf2.h (DW64_CIE_ID): Define.
295 * dwarf2out.c (DWARF_CIE_ID): Define.
296 (output_call_frame_info): Output 0xffffffff before standard 8-byte
297 length header. Use DWARF_CIE_ID.
298 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
299 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
301 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
303 * config/sh/linux-atomic.asm: New file.
304 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
306 2006-03-31 DJ Delorie <dj@redhat.com>
308 * config/m32c/cond.md: Set condition flags properly throughout.
309 * config/m32c/minmax.md: Likewise.
310 * config/m32c/prologue.md: Likewise.
311 * config/m32c/bitops.md: Likewise.
312 * config/m32c/muldiv.md: Likewise.
313 * config/m32c/mov.md: Likewise.
314 * config/m32c/addsub.md: Likewise.
315 * config/m32c/m32c.md: Likewise.
316 * config/m32c/jump.md: Likewise.
317 * config/m32c/shift.md: Likewise.
319 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
320 conditionally output the pattern for this.
321 * config/m32c/m32c.c (flags_needed_for_conditional): New.
322 (m32c_compare_redundant): New.
323 (m32c_output_compare): New.
324 * config/m32c/m32c-protos.h (m32c_output_compare): New.
326 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
327 dest, not src. Allow other 4-byte modes.
329 2006-03-30 Denis Chertykov <denisc@overta.ru>
331 * doc/md.texi: Refer to avr/constraints.md instead of
334 2006-03-30 Roger Sayle <roger@eyesopen.com>
336 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
337 signed vs. unsigned comparison failures on some hosts.
339 2006-03-31 Alan Modra <amodra@bigpond.net.au>
342 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
343 change to FLOAT_REGS.
345 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
346 (rs6000_override_options): Use it.
347 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
348 only for -mabi=spe/no-spe and -mabi=altivec.
350 2006-03-30 Geoffrey Keating <geoffk@apple.com>
352 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
355 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
357 * Makefile.in: Rename docdir to gcc_docdir.
359 2006-03-30 Roger Sayle <roger@eyesopen.com>
362 * expr.c (emit_group_store): Optimize group stores into a pseudo
363 register by using a paradoxical subreg to initialize the destination
364 if the first or last member of the group specifies a "low part".
366 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
369 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
370 * target.h (struct gcc_target.speculate_insn): Change type of the
371 second parameter to 'int'.
372 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
373 the second operand of the DEPS_LIST.
374 (copy_DEPS_LIST_list): Update reference to the second operand of the
376 * rtl.h (alloc_DEPS_LIST): Update signature.
377 * sched-int.h (ds_t): Change typedef to 'int'.
378 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
380 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
382 * haifa-sched.c (try_ready): Change condition to restore
383 non-speculative pattern of the instruction.
384 (process_insn_depend_be_in_spec): Code to keep probability of the
385 speculative dependence non-decreasing.
387 2006-03-30 Jie Zhang <jie.zhang@analog.com>
389 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
390 (single_move_for_movmem): ... this. Also change all uses.
391 (bfin_expand_strmov): Renamed to...
392 (bfin_expand_movmem): ... this. Also change all uses.
393 * config/bfin/bfin.md (movstrsi): Renamed to...
396 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
398 PR tree-optimization/26830
400 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
401 (copy_prop_visit_stmt): Remove write-only variable ann.
402 (init_copy_prop): Check variable loop depth here. Do not simulate
403 memory-tag and virtual operand PHIs except for store copy prop.
405 2006-03-30 Richard Guenther <rguenther@suse.de>
407 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
408 variants with double arguments.
410 2006-03-29 David Edelsohn <edelsohn@gnu.org>
412 * genpreds.c (write_tm_constrs_h): Delete variable p.
413 * genconditions.c (write_header): Add tm-constrs.h to included
415 * genpeep.c (main): Add toplev.h to included headers.
416 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
417 (build/genpeep.o): Add toplev.h dependency.
418 * config/rs6000/constraints.md: Add "W" constraint.
420 2006-03-29 Roger Sayle <roger@eyesopen.com>
422 * stor-layout.c (mode_for_size_tree): Remove restiction on type
423 sizes by correctly testing whether the size fits a host integer.
424 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
425 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
426 SImode range for the default sizetype and bitsizetype.
428 2006-03-29 Roger Sayle <roger@eyesopen.com>
430 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
431 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
432 quickly if the argument is already of the correct type.
433 Call fold_build1 instead of build1. Tidy up blank lines.
435 2006-03-29 David Edelsohn <edelsohn@gnu.org>
437 * genemit.c (main): Add tm-constrs.h to included headers.
438 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
439 * genpeep.c (main): Add tm-constrs.h to included headers.
440 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
441 (write_tm_constrs_h): this and write complete file.
442 (write_tm_preds_h): Do not emit satisfies_constraint fns.
443 (write_insn_preds_c): Add tm-constrs.h to included headers.
444 (gen_constrs): New variable.
445 (parse_option): Parse "-c".
446 (main): Invoke write_tm_constrs_h.
447 * genrecog.c (write_header): Add tm-constrs.h to included headers.
448 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
449 (object_out_file): Add tm-constrs.h dependency.
451 (insn-output.o): Same.
453 (insn-preds.o): Same.
454 (insn-recog.o): Same.
455 (tm-constsr.h): New target.
456 (s-constrs-h): New target.
458 * config/rs6000/constraints.md: New file.
459 * config/rs6000/rs6000.c: Include tm-constrs.h.
460 (num_insn_constant_wide): Convert to satisfies_constraint.
461 (rs6000_rtx_costs): Convert to satisfies_constraint.
462 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
463 (CONST_OK_FOR_LETTER_P): Delete.
464 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
465 (EXTRA_CONSTRAINT): Delete.
466 (EXTRA_MEMORY_CONSTRAINT): Delete.
467 (EXTRA_ADDRESS_CONSTRAINT): Delete.
468 * config/rs6000/predicates.md: Convert to satisfies_constraint.
469 * config/rs6000/rs6000.md: Include constraints.md. Convert to
470 satisfies_constraint.
472 * config/i386/i386.c: Include tm-constrs.h.
474 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
476 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
477 * tree-data-ref.c (find_data_references_in_loop,
478 compute_data_dependences_for_loop): Use pointers to VEC.
479 (analyze_all_data_dependences): Adjust calls.
480 * tree-data-ref.h (find_data_references_in_loop,
481 compute_data_dependences_for_loop): Adjust declarations.
482 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
483 compute_data_dependences_for_loop.
485 2006-03-29 Paul Brook <paul@codesourcery.com>
487 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
490 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
492 PR tree-optimization/26859
493 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
495 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
496 for the step after fold_convert.
498 2006-03-29 Paul Brook <paul@codesourcery.com>
500 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
501 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
503 2006-03-29 Paul Brook <paul@codesourcery.com>
506 * targhooks.c (default_narrow_bitfield): New fuction.
507 * targhooks.h (default_narrow_bitfield): add prototype.
508 * target.h (gcc_target): Add narrow_volatile_bitfield.
509 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
510 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
511 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
512 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
514 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
516 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
518 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
519 (NR_C_MODES): Add TDmode, DDmode and SDmode.
520 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
521 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
522 (s390_function_arg_float): Allow SDmode and DDmode values to be
523 passed in floating point registers.
524 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
525 check with SCALAR_FLOAT_MODE_P.
526 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
528 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
530 PR tree-optimization/25985
531 * tree-ssa-loop-niter.c (number_of_iterations_le,
532 number_of_iterations_ne): Make comments more precise.
533 (number_of_iterations_cond): Add only_exit argument. Use the
534 fact that signed variables do not overflow only when only_exit
536 (loop_only_exit_p): New.
537 (number_of_iterations_exit): Pass result of loop_only_exit_p to
538 number_of_iterations_cond.
540 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
542 PR tree-optimization/26643
543 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
546 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
548 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
549 (divsi3_i4_int): Likewise.
551 2006-03-28 Roger Sayle <roger@eyesopen.com>
553 * expr.c (emit_group_store): Only create a new pseudo reg if the
554 quantity it needs to hold isn't already a suitable pseudo.
556 2006-03-28 Jeff Law <law@redhat.com>
558 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
559 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
561 2006-03-28 Roger Sayle <roger@eyesopen.com>
563 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
564 the equivalent ~X & Y, and the symmetry related transformations.
565 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
566 ~X & Y, and symmetry related transforms.
568 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
570 Revert my 2006-03-27 patches.
572 2006-03-28 Roger Sayle <roger@eyesopen.com>
574 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
575 ~(T1)X, when T1 and T2 are integer types of the same precision
576 and (T2)X isn't an extension.
578 2006-03-28 Jeff Law <law@redhat.com>
580 PR tree-optimization/26796
581 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
582 need EH edge cleanups rather than purging them immediately.
583 (eliminate_degenerate_phis): Handle queued EH cleanups.
585 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
587 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
590 2006-03-27 Roger Sayle <roger@eyesopen.com>
593 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
594 cast BIT_NOT_EXPR operand to the correct type.
596 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
598 * tree-loop-linear.c: Don't include varray.h.
599 (gather_interchange_stats, try_interchange_loops,
600 linear_transform_loops): Use VEC instead of VARRAY.
601 * lambda-mat.c: Don't include varray.h.
602 * tree-chrec.c: Same.
603 * lambda-trans.c: Same.
604 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
605 VEC instead of VARRAY.
606 * tree-vectorizer.h: Idem.
607 * tree-data-ref.c (dump_data_references,
608 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
609 initialize_data_dependence_relation, finalize_ddr_dependent,
610 compute_all_dependences, find_data_references_in_loop,
611 compute_data_dependences_for_loop, analyze_all_data_dependences,
612 free_dependence_relation, free_dependence_relations,
613 free_data_refs): Idem.
614 * tree-data-ref.h (data_reference_p, subscript_p): New.
615 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
616 VEC instead of VARRAY.
617 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
618 (find_data_references_in_loop, compute_data_dependences_for_loop,
619 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
620 dump_data_dependence_relations, free_dependence_relations,
621 free_data_refs): Adjust declaration.
622 (lambda_transform_legal_p): Move declaration here...
623 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
624 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
625 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
626 vect_analyze_data_refs): Use VEC instead of VARRAY.
627 * lambda.h (lambda_transform_legal_p): ...from here.
628 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
629 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
630 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
631 tree-chrec.o): Don't depend on VARRAY_H.
633 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
635 * rtl.def (Copyright): Update date.
636 (DEPS_LIST): Change type of the second operand to 'int'.
637 * target.h (Copyright): Update date.
638 (struct gcc_target.speculate_insn): Change type of the second parameter
640 * lists.c (Copyright): Update date.
641 (alloc_DEPS_LIST): Change signature. Update reference to the second
642 operand of the DEPS_LIST.
643 (copy_DEPS_LIST_list): Update reference to the second operand of the
645 * rtl.h (Copyright): Update date.
646 (alloc_DEPS_LIST): Update signature.
647 * sched-int.h (Copyright): Update date.
648 (ds_t): Change typedef to 'int'.
649 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
651 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
653 * haifa-sched.c (Copyright): Update date.
654 (try_ready): Change condition to restore non-speculative pattern
656 (process_insn_depend_be_in_spec): Code to keep probability of the
657 speculative dependence non-decreasing.
659 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
661 * regrename.c (replace_oldest_value_addr): Initialize a variable to
662 shut up the compiler.
664 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
666 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
667 to use lib prefix for target.
668 ($(T)libic_invalidate_array_4-200.a): Likewise.
669 ($(T)libic_invalidate_array_4a.a): Likewise.
671 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
672 J"orn Rennecke <joern.rennecke@st.com>
674 * superh.opt: New file.
675 * sh.c (boardtype, osruntime): Remove.
676 * superh.h (SUBTARGET_OPTIONS): Remove.
677 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
679 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
680 arguments with ^ and/or [].
682 * config.gcc (sh-*-*): Add quoting to account for quirk of
684 Replace == with = in enable_incomplete_targets test.
686 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
687 with MASK_LITTLE_ENDIAN.
689 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
690 * config/sh/sh.opt: Added to some comments.
691 * config/sh/superh.h: Removed some chaff.
693 * config/sh/sh.opt: Add m4-[1234]00* options.
694 * config/sh/sh.c (sh_handle_option): Likewise.
695 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
696 (ic_invalidate_array_4-100.o): New rule.
697 ($(T)libic_invalidate_array_4-100.a): Likewise.
698 (ic_invalidate_array_4-200.o): Likewise.
699 ($(T)libic_invalidate_array_4-200.a): Likewise.
700 (ic_invalidate_array_4a.o): Likewise.
701 ($(T)libic_invalidate_array_4a.a): Likewise.
702 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
703 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
705 * config/sh/crt1.asm: Merged in profiling code.
706 * config/sh/superh.h (STARTFILE_SPEC): Override.
707 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
708 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
709 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
711 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
712 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
713 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
715 * sh.opt (mpretend-cmove): New option.
716 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
717 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
718 (movsicc): Add TARGET_PRETEND_CMOVE code.
720 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
722 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
723 s390_class_max_nregs): New function prototypes.
724 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
725 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
726 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
727 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
729 2006-03-26 Geoffrey Keating <geoffk@apple.com>
731 * dwarf2out.c (add_location_or_const_value_attribute): Call
732 tree_add_const_value_attribute if nothing else works.
733 (reference_to_unused): New.
734 (rtl_for_decl_init): Use reference_to_unused to decide whether
735 to output an initializer.
737 2006-03-27 Alan Modra <amodra@bigpond.net.au>
740 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
741 peephole removing spe frob_di_df_2.
743 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
745 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
746 (subscript_dependence_tester_1): Declared.
747 (print_dir_vectors, print_dist_vectors): New.
748 (debug_data_dependence_relation): New.
749 (dump_data_dependence_relation): Print more details.
750 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
751 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
752 (save_dist_v, save_dir_v, add_outer_distances,
753 build_classic_dist_vector_1): New.
754 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
755 Don't test for lambda_vector_lexico_pos.
756 (same_access_functions, add_multivariate_self_dist,
757 add_other_self_distances, dir_from_dist): New.
758 (build_classic_dir_vector): Replace implementation almost identical to
759 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
761 (subscript_dependence_tester_1): New.
762 (subscript_dependence_tester): Handle the lexicographically negative
763 distance vectors by recomputing the dependence relation.
764 (compute_affine_dependence): Remove parameter loop_nest_depth.
765 (compute_self_dependence): Don't call compute_subscript_distance.
766 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
767 Add a parameter for the loop_nest.
768 (find_loop_nest_1, find_loop_nest): New.
769 (compute_data_dependences_for_loop): Compute the loop nest, and give
770 up if the nest is not well formed.
771 * tree-data-ref.h (loop_p): New.
772 (struct data_dependence_relation): Replace size_vect field with
773 loop_nest, a vec of loops.
774 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
775 (DDR_LOOP_NEST): New.
776 (print_dir_vectors, print_dist_vectors,
777 debug_data_dependence_relation): Declared.
778 (index_in_loop_nest): New.
779 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
780 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
783 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
785 * simplify-rtx.c (simplify_relational_operation): Call
786 simplify_relational_operation_1 even if mode is VOIDmode.
788 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
790 PR tree-optimization/26804
791 * tree.h (DECL_CALL_CLOBBERED): New macro.
792 (tree_decl_common): Add call_clobbered_flag.
793 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
794 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
795 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
796 (mark_non_addressable): Ditto.
797 * tree-ssa.c (verify_call_clobbered): New function.
798 (verify_alias_info): Use it.
799 * tree-pass.h (pass_reset_cc_flags): New prototype.
800 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
801 (reset_cc_flags): New function.
802 * passes.c (init_optimization_passes): Call reset_cc_flags after
803 initializing referenced_vars.
805 2006-03-25 Uros Bizjak <uros@kss-loka.si>
806 Roger Sayle <roger@eyesopen.com>
809 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
810 to 1.0 for non-real operands. Implement A / A optimization for
813 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
815 * config/i386/i386.c (size_cost): Correct the comment for
816 cost of storing fp registers.
817 (i386_cost): Likewise.
818 (i486_cost): Likewise.
819 (pentium_cost): Likewise.
820 (pentiumpro_cost): Likewise.
822 (athlon_cost): Likewise.
824 (pentium4_cost): Likewise.
825 (nocona_cost): Likewise.
826 (generic64_cost): Likewise.
827 (generic32_cost): Likewise.
829 2006-03-24 Denis Chertykov <denisc@overta.ru>
831 * config/avr/avr-protos.h (extra_constraint): Delete.
832 (extra_constraint_Q): New declaration.
833 * config/avr/constraints.md: New file.
834 * config/avr/avr.md: Include it.
835 (REG_X, REG_Y, REG_Z, REG_W): New constants.
836 (TMP_REGNO, ZERO_REGNO): Likewise.
837 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
838 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
839 (extra_constraint): Delete.
840 (extra_constraint_Q): Test for memory constraint 'Q'.
841 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
842 (REG_CLASS_FROM_LETTER): Delete.
843 (CONST_OK_FOR_LETTER_P): Delete.
844 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
845 (EXTRA_CONSTRAINT): Delete.
847 (ZERO_REGNO): Delete.
849 2006-03-24 Jeff Law <law@redhat.com>
851 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
852 directly. Call mark_new_vars_to_rename slightly earlier.
854 2006-03-24 Geoffrey Keating <geoffk@apple.com>
856 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
858 (gen_compile_unit_die): Use new language types for Objective-C and
860 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
864 * config/t-darwin (crt3.o): Work around bug 26840.
865 * config/darwin-crt3.c: Rewrite.
866 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
868 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
870 * doc/invoke.texi: Document -femit-class-debug-always
871 * common.opt: Add -femit-class-debug-always.
873 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
875 * config/s390/s390.c (s390_decompose_address): Allow SImode for
876 index and base register.
877 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
878 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
879 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
880 REGNO_OK_FOR_INDEX_P.
881 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
883 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
884 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
885 REG_OK_FOR_BASE_P): Definitions removed.
887 2006-03-24 Jakub Jelinek <jakub@redhat.com>
890 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
891 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
892 set yet or weren't marked as local yet.
894 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
896 * regrename.c (scan_rtx_address): Initialize a variable to shut up
899 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
901 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
902 (rs6000_legitimate_small_data_p): Delete.
903 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
904 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
905 and make static. Add forward declaration. Update uses.
906 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
907 of offsettable_memref_p.
908 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
909 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
911 2006-03-24 Jeff Law <law@redhat.com>
913 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
914 around bug in immediate-use iterator.
916 2006-03-24 Alan Modra <amodra@bigpond.net.au>
919 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
920 or __LITTLE_ENDIAN__.
922 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
924 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
925 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
926 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
927 * config/sh/sh.opt (mdiv=): Amend description.
928 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
929 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
930 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
931 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
932 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
933 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
934 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
935 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
936 TARGET_DIVIDE_CALL_FP.
938 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
940 * haifa-sched.c (choose_ready): Fix type of the local variable.
941 Move local variables. Add comment.
942 (check_reg_live): Change signature. Make callable from debugger.
943 * sched-int.h (check_reg_live): Update signature.
944 * sched-ebb.c (check_reg_live): Update parameters.
945 * sched-rgn.c (check_reg_live): Ditto.
946 (region_head_or_leaf_p): Check pointer before dereferencing.
947 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
948 before reload on optimization levels below 1.
950 2006-03-23 Richard Henderson <rth@redhat.com>
952 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
956 * config/alpha/predicates.md (local_symbolic_operand): Reject
959 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
962 * tree-ssa-pre.c (create_value_expr_from): Don't reject
963 expressions which have overflowed constants.
965 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
967 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
969 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
971 * cfgloopmanip.c (create_loop_notes): Removed.
972 * final.c (final_scan_insn): Do not handle loop notes.
973 * jump.c (squeeze_notes): Ditto.
974 * cfglayout.c (skip_insns_after_block,
975 duplicate_insn_chain): Ditto.
976 * cfgcleanup.c (rest_of_handle_jump2): Do not call
978 * cfgloop.h (create_loop_notes): Declaration removed.
980 2006-03-23 Richard Sandiford <richard@codesourcery.com>
982 * varasm.c (output_constant_pool): Restore fnname and fndecl
984 (assemble_start_function): Adjust call accordingly.
985 (assemble_end_function): Likewise.
987 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
990 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
993 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
995 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
998 * system.h (ICE_EXIT_CODE): New macro.
999 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1000 (diagnostic_action_after_output): Likewise.
1001 * gcc.c (fatal_ice): New function.
1002 (execute): Use it instead of fatal.
1003 (fancy_abort): Likewise.
1004 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1006 2006-03-22 Jeff Law <law@redhat.com>
1008 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1009 iv_analyze_result returning false.
1011 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1013 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1015 2006-03-22 Richard Henderson <rth@redhat.com>
1018 * except.c (duplicate_eh_regions_0): New.
1019 (duplicate_eh_region_1): Duplicate the children of the node as
1020 well as the node itself. Link them up properly.
1021 (duplicate_eh_region_2): Merge into ...
1022 (duplicate_eh_regions): ... here. Take copy_region argument, and
1023 copy only a sub-tree if asked. Simplify copying and fixup.
1024 (eh_region_outer_p): New.
1025 * except.h (duplicate_eh_regions): Update decl.
1026 (eh_region_outer_p): Declare.
1027 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1028 (lower_omp_master): Likewise.
1029 (lower_omp_ordered): Likewise.
1030 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1031 (move_stmt_r): Use it to remap labels. Handle recursion vs
1032 remap_decls_p properly.
1033 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1034 (find_outermost_region_in_block): New.
1035 (new_label_mapper): New.
1036 (move_sese_region_to_fn): Copy eh information to the new function
1038 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1040 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1043 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1045 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1046 into shared libraries.
1048 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1050 * doc/md.texi: Refer to i386/constraints.md instead of
1052 * config/i386/constraints.md: New file, extracted from...
1053 * config/i386/predicates.md: ...here.
1054 * config/i386/i386.md: Include constraints.md.
1056 2006-03-21 Jason Merrill <jason@redhat.com>
1058 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1061 * expr.c (init_block_move_fn): Force default visibility.
1062 (init_block_clear_fn): Likewise.
1063 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1064 * targhooks.c (default_external_stack_protect_fail): Likewise.
1066 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1068 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1069 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1070 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1071 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1072 (loadgp): Use mips_current_loadgp_style.
1073 (loadgp_noshared): New pattern.
1074 (sibcall_internal): Use MIPS_CALL.
1075 (sibcall_value_internal): Likewise.
1076 (sibcall_value_multiple_internal): Likewise.
1077 (call_internal): Likewise.
1078 (call_value_internal): Likewise.
1079 (call_value_multiple_internal): Likewise.
1080 (call_split): Use MIPS_CALL and add an 'S' constraint.
1081 (call_value_split): Likewise.
1082 (call_value_multiple_split): Likewise.
1083 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1084 (-mshared): New option.
1085 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1086 (mips_current_loadgp_style): Declare.
1087 * config/mips/mips.c (mips_classify_symbol): Avoid using
1088 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1089 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1090 TARGET_ABSOLUTE_ABICALLS.
1091 (override_options): Adjust comments. Improve the warning that is
1092 issued when -mabicalls and -G are used together.
1093 (mips_file_start): Remove comment.
1094 (mips_current_loadgp_style): New function.
1095 (mips_gnu_local_gp): New variable.
1096 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1098 (mips_output_function_prologue): Use mips_current_laodgp_style.
1099 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1100 the cprestore instruction.
1101 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1102 live for TARGET_ABSOLUTE_ABICALLS.
1103 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1104 (ASM_SPEC): Pass down -mshared and -mno-shared.
1105 (MIPS_CALL): New macro.
1106 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1108 * doc/invoke.texi (-mabicalls): Update documentation.
1109 (-mshared): Document.
1111 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1113 * config/ia64/unwind-hpux.c: New file.
1114 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1116 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1119 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1121 2006-03-21 Jeff Law <law@redhat.com>
1123 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1124 type conversions of a VR_VARYING source to a wider type.
1126 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1128 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1129 tm_file on Solaris 10 and later.
1130 (sparc64-*-solaris2*): Likewise.
1131 (sparc-*-solaris2*): Likewise.
1132 * config/sol26.h: Rename to config/sol2-6.h.
1133 * config/sol2-10.h: New file.
1135 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1138 * tree-ssa-pre.c (create_component_ref_by_pieces):
1141 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1144 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1145 return it immediately.
1147 2006-03-21 Michael Matz <matz@suse.de>
1149 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1151 (remove_arc, add_arc): Update num_out_arcs member.
1152 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1154 (cache_presence): New function.
1155 (compare_states_for_equiv): New function.
1156 (state_is_differed): Don't take number of outargs, adjust callers.
1157 Use new invariant for speeding up.
1158 (init_equiv_class): Create initial classes based on sorted
1160 (partition_equiv_class): Don't track out_arcs_num.
1161 (evaluate_equiv_classes): Call cache_presence on all states and
1164 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1166 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1167 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1168 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1169 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1171 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1172 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1173 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1174 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1175 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1177 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1178 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1179 (REGNO_REG_CLASS): ARGP is in PREGS.
1180 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1182 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1183 to deal with those addresses.
1184 * addresses.h: New file.
1185 * caller-save.c: Include "addresses.h".
1186 (init_caller_save): Use new base_reg_class function.
1187 * rtl-factoring.c: Include "addresses.h".
1188 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1189 * recog.c: Include "addresses.h".
1190 (preprocess_constraints): Use new base_reg_class function.
1191 * regrename.c: Include "addresses.h".
1192 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1193 functions. Keep track of a new var INDEX_CODE to compute valid
1195 (replace_oldest_value_addr): Likewise.
1196 (replace_oldest_value_mem): Use base_reg_class.
1197 * reload.c: Include "addresses.h".
1198 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1199 (find_reloads): Use new base_reg_class function.
1200 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1201 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1202 all callers and prototype changed.
1203 * reload1.c: Include "addresses.h".
1204 (maybe_fix_stack_asms): Use base_reg_class.
1205 * regclass.c: Include "addresses.h".
1206 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1207 (init_reg_autoinc): Use new base_reg_class function.
1208 (record_reg_classes): Likewise.
1209 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1210 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1211 Use new args to compute necessary class.
1213 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1214 regrename.o, rtl-factoring.o): Update dependencies.
1215 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1216 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1217 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1218 REG_OK_FOR_INDEX_P): Delete documentation.
1220 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1222 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1223 from V7 to V9 for Solaris 7 and above.
1225 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1227 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1228 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1229 argument pointers may not alias any other storage.
1230 * common.opt: Define option -fargument-noalias-anything.
1231 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1232 alias semantics is specified by flag_argument_noalias > 2.
1234 2006-03-20 Jeff Law <law@redhat.com>
1236 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1237 (pass_phi_only_cprop): Declare.
1238 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1240 * tree-ssa-dom.c (degenerate_phi_result): New function.
1241 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1242 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1243 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1244 (eliminate_degenerate_phis): Likewise.
1245 (pass_phi_only_cprop): New pass descriptor.
1246 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1247 support code. Callers updated.
1248 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1249 (store_copy_prop): Likewise.
1250 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1252 2006-03-20 Jason Merrill <jason@redhat.com>
1255 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1256 (push_visibility, pop_visibility): Likewise.
1257 * c-pragma.h: Declare them.
1259 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1261 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1263 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1264 parameter and use get_ebb_head_tail.
1265 (sh_md_init_global): Adjust uses of find_regmode_weight.
1267 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1269 * function.h (struct function) <x_tail_recursion_reentry>:
1270 Rename to x_stack_check_probe_note.
1271 (tail_recursion_reentry): Rename to stack_check_probe_note.
1272 * function.c: Replace tail_recursion_reentry with
1273 stack_check_probe_note everywhere.
1274 (expand_function_start): Only emit a note for
1275 stack_check_probe_note with -fstack-protect.
1276 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1278 * emit-rtl.c (remove_unnecessary_notes): Remove.
1279 (pass_remove_unnecessary_notes): Remove.
1280 * rtl.h (remove_unnecessary_notes): Remove prototype.
1281 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1282 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1283 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1285 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1288 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1289 (valid_in_set): Handle ARRAY_REF.
1290 Change "if min_variant or VH" to asserts.
1291 (create_component_ref_by_pieces): Handle ARRAY_REF.
1292 (create_expression_by_pieces): Likewise.
1293 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1295 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1297 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1298 is operand of switch, not str[0].
1300 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1302 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1303 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1305 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1307 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1308 end of insn_extra_address_constraint declaration.
1310 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1312 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1313 (no-sum-in-toc): Same.
1314 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1316 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1317 NO_FP_IN_TOC for -fPIC instead of mask.
1319 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1320 (BOOT_LDFLAGS): Delete.
1322 * config/rs6000/t-aix52: Same.
1324 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1325 (stmsi[345678]_power): New.
1327 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1329 * config/ia64/ia64.opt: Add empty line to end of file.
1331 2006-03-17 Richard Guenther <rguenther@suse.de>
1334 * builtins.c (get_pointer_alignment): For component style references
1335 adjust alignment to the component type alignment. Make sure
1336 to adjust alignment for component access of constants.
1338 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1340 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1343 2006-03-17 Paul Brook <paul@codesourcery.com>
1345 * doc/install.texi: Docuemnt --with-mode.
1346 * config.gcc: Add --with-mode for arm*-*-*.
1347 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1349 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1351 * sh.c (max_labelno_before_reorg): New variable.
1352 (sh_reorg): Initialize it.
1353 (find_barrier): Check max_labelno_before_reorg before using
1354 label_to_alignment. Take length of explicit alignment insns
1355 into account. When seeing a UNSPECV_CONST_END, return it.
1357 * sh.c (fixup_mova): Set mode of affected label to QImode.
1358 (untangle_mova): New function.
1359 (find_barrier): Use it. Check mode of label before decrementing
1361 (sh_reorg): Likewise.
1362 Set mode of all insns back to VOIDmode.
1364 * sh.c (MOVA_LABELREF): New macro.
1365 (mova_p, fixup_mova, sh_reorg): Use it.
1366 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1367 ADDR_DIFF_VEC matches mova.
1369 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1371 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1372 with ATTRIBUTE_UNUSED.
1374 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1376 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1377 pointer, instead of assuming it is possible to derive the
1378 correct args size from a call insn.
1380 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1382 * rtl.h (CONST_INT_P): Define.
1383 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1384 instead of GET_CODE(x) == CONST_INT.
1385 (vax_rtx_costs): Likewise.
1386 (vax_output_int_move): Likewise.
1387 (vax_output_int_add): Likewise.
1388 (legitimate_constant_address_p): Likewise.
1389 (index_term_p): Likewise.
1390 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1391 * config/vax/vax.md (and<mode>3): Likewise.
1392 (ashrsi3): Likewise.
1394 (movstricthi): Likewise.
1395 (movstrictqi): Likewise.
1396 (rotrsi3): Likewise.
1397 (five unnamed insns): Likewise.
1399 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1401 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1402 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1403 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1404 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1405 Pass to ASM_OUTPUT_DWARF_OFFSET.
1406 * dwarf2out.c (debug_frame_section): New.
1407 (output_call_frame_info): Use debug_frame_section. Pass it to
1408 dw2_asm_output_offset.
1409 (output_die): Pass appropriate section to dw2_asm_output_offset.
1410 (output_compilation_unit_header): Likewise.
1411 (output_pubnames): Likewise.
1412 (output_aranges): Likewise.
1413 (enum dw_val_class): Break dw_val_class_lbl_offset into
1414 dw_val_class_lineptr and dw_val_class_macptr.
1415 (add_AT_lbl_offset): Delete.
1416 (add_AT_lineptr): New.
1417 (add_AT_macptr): New.
1418 (AT_lbl): Expect a lineptr or macptr.
1419 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1420 (attr_checksum): Likewise.
1421 (same_dw_val_p): Likewise.
1422 (size_of_die): Likewise.
1423 (value_format): Likewise.
1424 (output_die): Likewise.
1425 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1427 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1428 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1429 * config/darwin-protos.h (darwin_file_start): New.
1430 (darwin_asm_output_dwarf_offset): New.
1431 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1432 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1434 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1435 if not EH section; simplify.
1436 (darwin_file_start): New.
1437 (darwin_asm_output_dwarf_offset): New.
1438 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1440 (DEBUG_INFO_SECTION): Likewise.
1441 (DEBUG_ABBREV_SECTION): Likewise.
1442 (DEBUG_ARANGES_SECTION): Likewise.
1443 (DEBUG_MACINFO_SECTION): Likewise.
1444 (DEBUG_LINE_SECTION): Likewise.
1445 (DEBUG_LOC_SECTION): Likewise.
1446 (DEBUG_PUBNAMES_SECTION): Likewise.
1447 (DEBUG_STR_SECTION): Likewise.
1448 (DEBUG_RANGES_SECTION): Likewise.
1449 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1450 (ASM_OUTPUT_DWARF_OFFSET): New.
1452 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1454 * config.gcc (tm_defines): Always add to previous value rather
1457 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1459 * config/mips/predicates.md (splittable_const_int_operand): New,
1460 split from move_operand.
1461 (splittable_symbolic_operand): New.
1462 (move_operand): Add commentary. Use splittable_const_int_operand.
1463 Inline mips_atomic_symbolic_constant_p.
1464 * config/mips/mips.md: Add combine splitters for handling moves
1465 of splittable_const_int_operands and splittable_symbolic_operands.
1466 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1467 (mips_split_symbol): Declare.
1468 (mips_move_integer): Declare.
1469 * config/mips/mips.c (mips_split_p): Make global.
1470 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1471 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1472 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1473 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1474 (mips_offset_within_object_p): Handle block symbols.
1475 (mips_atomic_symbolic_constant_p): Delete.
1476 (mips_cannot_force_const_mem): Return false for constants that
1477 mips_legitimize_move can handle.
1478 (mips_use_blocks_for_constant_p): New function.
1479 (mips_split_symbol): Make global.
1480 (mips_move_integer): Likewise. Add a temporary register argument.
1481 (mips_legitimize_const_move): Use splittable_const_int_operand and
1482 splittable_symbolic_operand.
1483 (mips_use_anchors_for_symbol_p): New function.
1484 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1485 (mips_split_p): Declare.
1487 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1489 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1490 (mips*-*-linux*): Likewise.
1492 2006-03-16 Roger Sayle <roger@eyesopen.com>
1493 Daniel Speyer <dspeyer@wam.umd.edu>
1496 * tree-dump.c (dump_real): New function.
1497 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1498 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1499 (tree-dump.o): Add $(REAL_H) to the dependencies.
1501 2006-03-16 Roger Sayle <roger@eyesopen.com>
1504 * real.c (real_from_string): If the mantissa is zero, don't bother
1505 parsing the exponent as the result should always be zero.
1507 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1509 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1511 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1513 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1514 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1515 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1516 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1517 ia64_sched_finish_global): New static functions to implement
1518 hooks from gcc_target.sched.
1519 (spec_check_no, max_uid, pending_data_specs): New static variables.
1520 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1521 ia64_spec_check_src_p): New static functions.
1522 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1523 (TARGET_SCHED_ADJUST_COST): Removed.
1524 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1525 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1526 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1527 TARGET_SCHED_GEN_CHECK,
1528 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1529 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1530 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1531 Fixed to handle speculation checks.
1532 (rtx_needs_barrier): Fixed to handle speculative loads and
1534 (ia64_variable_issue): Added code to count speculative loads and their
1536 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1538 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1540 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1542 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1543 (ia64_reorg): Reset stops_p to NULL after it is freed.
1544 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1545 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1546 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1548 (data_speculative, control_speculative, check_load): New attributes.
1549 (mov<mode>_advanced, mov<mode>_speculative,
1550 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1551 zero_extend<mode>di2_speculative,
1552 zero_extend<mode>di2_speculative_advanced): New patterns for
1553 data and control speculative loads.
1554 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1556 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1557 New pattern for data and control speculation checks.
1558 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1559 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1560 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1561 Auxiliary definitions for the patterns.
1562 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1563 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1565 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1567 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1568 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1569 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1570 New resource constraints.
1571 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1573 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1574 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1575 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1576 msched-in-control-spec, msched-ldc, msched-control-ldc,
1577 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1578 msched-prefer-non-control-spec-insns,
1579 msched-count-spec-in-critical-path): New flags to tune speculative
1581 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1582 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1583 msched-in-control-spec, msched-ldc, msched-control-ldc,
1584 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1585 msched-prefer-non-control-spec-insns,
1586 msched-count-spec-in-critical-path): Document new flags.
1588 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1590 * target.h (struct spec_info_def): New opaque declaration.
1591 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1592 speculate_insn, needs_block_p, gen_check,
1593 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1594 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1595 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1596 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1597 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1598 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1600 (TARGET_SCHED): Use new macros.
1601 * rtl.h (copy_DEPS_LIST_list): New prototype.
1602 * sched-int.h (struct sched_info): Change signature of new_ready field,
1603 adjust all initializations. New fields: add_remove_insn,
1604 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1605 region_head_or_leaf_p.
1606 (struct spec_info_def): New structure declaration.
1607 (spec_info_t): New typedef.
1608 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1609 recovery_block, orig_pat.
1610 (glat_start, glat_end): New variables declaraions.
1611 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1613 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1614 DETACH_LIFE_INFO, USE_GLAT.
1615 (enum SPEC_SCHED_FLAGS): New enumeration.
1616 (NOTE_NOTE_BB_P): New macro.
1617 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1618 attach_life_info, debug_spec_status, check_reg_live): New functions.
1619 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1620 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1622 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1623 * ddg.c (get_block_head_tail): Adjust all uses.
1624 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1625 (sms_sched_info): Initialize new fields.
1626 (contributes_to_priority): Removed.
1627 * haifa-sched.c (params.h): New include.
1628 (get_block_head_tail): Adjust all uses.
1629 (ISSUE_POINTS): New macro.
1630 (glat_start, glat_end): New global variables.
1631 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1632 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1633 old_last_basic_block, before_recovery, current_sched_info_var,
1634 rgn_n_insns, luid): New static variables.
1635 (insn_cost1): New function. Move logic from insn_cost to here.
1636 (find_insn_reg_weight1): New function. Move logic from
1637 find_insn_reg_weight to here.
1638 (reemit_notes, move_insn, max_issue): Change signature.
1639 (move_insn1): Removed.
1640 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1641 extend_bb): New static functions to support extension of scheduler's
1643 (generate_recovery_code, process_insn_depend_be_in_spec,
1644 begin_speculative_block, add_to_speculative_block,
1645 init_before_recovery, create_recovery_block, create_check_block_twin,
1646 fix_recovery_deps): New static functions to support
1647 generation of recovery code.
1648 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1649 restore_bb_notes, move_block_after_check, move_succs): New static
1650 functions to support ebb scheduling.
1651 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1652 functions to support handling of register live information.
1653 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1654 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1655 add_jump_dependencies): New static functions.
1656 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1657 consistancy checking.
1658 (debug_spec_status): New function to call from debugger.
1659 (priority): Added code to handle speculation checks.
1660 (rank_for_schedule): Added code to distinguish speculative instructions.
1661 (schedule_insn): Added code to handle speculation checks.
1662 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1663 Fixed to handle ebbs.
1664 (move_insn): Added code to handle ebb scheduling.
1665 (max_issue): Added code to use ISSUE_POINTS of instructions.
1666 (choose_ready): Added code to choose between speculative and
1667 non-speculative instructions.
1668 (schedule_block): Added code to handle ebb scheduling and scheduling of
1669 speculative instructions.
1670 (sched_init): Initialize new variables.
1671 (sched_finish): Free new variables. Print statistics.
1672 (try_ready): Added code to handle speculative instructions.
1673 * lists.c (copy_DEPS_LIST_list): New function.
1674 * sched-deps.c (extend_dependency_caches): New function. Move logic
1675 from create_dependency_caches to here.
1676 (get_dep_weak, ds_merge): Make global.
1677 * genattr.c (main): Code to output prototype for
1678 dfa_clear_single_insn_cache.
1679 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1680 (output_dfa_clean_insn_cache_func): Code to output
1681 dfa_clear_single_insn_cache function.
1682 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1684 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1686 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1687 New static variables.
1688 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1689 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1691 (ebb_sched_info): Initialize new fields.
1692 (get_block_head_tail): Adjust all uses.
1693 (compute_jump_reg_dependencies): Fixed to use glat_start.
1694 (schedule_ebb): Code to remove unreachable last block.
1695 (schedule_ebbs): Added code to update register live information.
1696 * sched-rgn.c (region_sched_info): Initialize new fields.
1697 (get_block_head_tail): Adjust all uses.
1698 (last_was_jump): Removed. Adjust users.
1699 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1700 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1701 Implement new hooks.
1702 (check_dead_notes1): New static function.
1703 (struct region): New fields: dont_calc_deps, has_real_ebb.
1704 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1705 (BB_TO_BLOCK): Fixed to handle EBBs.
1706 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1707 (ebb_head): New static variable.
1708 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1709 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1711 (compute_dom_prob_ps): New assertion.
1712 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1713 global_live_at_start.
1714 (init_ready_list): New assertions.
1715 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1716 (new_ready): Add support for BEGIN_CONTROL speculation.
1717 (schedule_insns): Fixed code that updates register live information
1719 (schedule_region): Fixed to handle EBBs.
1720 (init_regions): Use extend_regions and check_dead_notes1.
1721 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1722 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1723 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1724 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1725 TARGET_SCHED_GEN_CHECK,
1726 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1727 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1728 * doc/invoke.texi (max-sched-insn-conflict-delay,
1729 sched-spec-prob-cutoff): Document.
1731 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1733 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1734 inter_tick, queue_index.
1735 (struct sched_info): Change signature of init_ready_list field.
1736 Adjust all initializations.
1737 (RESOLVED_DEPS): New access macro.
1738 (ready_add): Remove prototype.
1739 (try_ready): Add prototype.
1740 * sched-rgn.c (init_ready_list): Use try_ready.
1741 (schedule_region): Initialize
1742 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1743 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1744 (init_ready_list): Use try_ready.
1745 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1746 * lists.c (remove_list_elem): Remove `static'.
1747 (remove_free_INSN_LIST_elem): New function.
1748 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1749 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1750 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1752 (readyp): New variable.
1753 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1754 change_queue_index, resolve_dep): New static functions.
1755 (try_ready): New function. Adjust callers in sched-rgn.c and
1756 sched-ebb.c to use it instead of ready_add.
1757 (clock_var): Move at the begining of file.
1758 (rank_for_schedule): Fix typo.
1759 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1760 (ready_lastpos): Enforce assertion.
1761 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1763 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1764 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1765 (queue_to_ready): Use free_INSN_LIST_list.
1766 (early_queue_to_ready): Fix typo.
1767 (schedule_block): Init readyp. Move init_ready_list call after the
1768 initialization of clock_var. Fix error in rejecting insn by
1769 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1770 that previously corrected INSN_TICKs. Add code for handling
1772 (set_priorities): Fix typo.
1773 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1774 Clarify comment and code that keeps current_sched_info->next_tail
1777 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1779 * sched-rgn.c (extend_rgns): New static function.
1780 (find_rgns): Use it.
1781 (gather_region_statistics, print_region_statistics): New static
1783 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1784 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1787 Andrey Belevantsev <abel@ispras.ru>
1789 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1790 * lists.c (unused_deps_list): New variable.
1791 (free_list): Add assertions to verify the proper distinguishing
1792 between INSN_LISTs and DEPS_LISTs.
1793 (find_list_elem, remove_list_elem, remove_list_node): New static
1795 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1796 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1797 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1798 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1800 (free_INSN_LIST_node): Likewise.
1801 * modulo-sched.c (current_sched_info): Initialize flags field.
1802 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1803 * rtl.def (DEPS_LIST): Define.
1804 * rtl.h: Declare new functions from lists.c.
1805 * sched-deps.c (spec_dependency_cache): New static variable.
1806 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1807 (add_dependence): Change return type to void. Move the logic to ...
1808 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1809 (delete_all_dependences): Add comment about forward_dependency_cache.
1810 Handle spec_dependency_cache. Handle DEPS_LISTs.
1811 (fixup_sched_groups): Clarify the change of priority of output
1812 and anti dependencies.
1813 (sched_analyze_2): Adjust add_dependence calls to create data
1814 speculative dependence.
1815 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1816 Adjust all callers. Handle DEPS_LISTS.
1817 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1818 presence of speculation.
1819 (init_dependency_caches, free_dependency_caches):
1820 Handle spec_dependency_cache.
1821 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1822 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1823 New static functions.
1824 (add_or_update_back_dep, add_or_update_back_forw_dep,
1825 add_back_forw_dep, delete_back_forw_dep): New functions.
1826 * sched-int.h (ds_t, dw_t): New typedefs.
1827 (struct sched_info): Add new field flags.
1828 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1829 Prototype new sched-deps.c functions.
1830 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1831 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1832 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1833 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1834 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1835 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1837 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1839 * sched-rgn.c (current_sched_info): Initialize flags field.
1840 (schedule_insns): Initialize current_sched_info before the sched_init
1842 * sched-ebb.c (current_sched_info): Initialize flags field.
1843 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1844 Call add_or_update_back_dep instead of add_dependence.
1845 Create control speculative dependencies.
1846 (schedule_insns): Initialize current_sched_info before the sched_init
1849 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1851 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1853 (sh_fallback_frame_state): Likewise.
1855 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1857 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1858 Do switch on default_use_cxa_atexit.
1859 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1860 * config/darwin-crt3.o: New.
1861 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1862 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1863 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1865 * config/rs6000/t-darwin: Move crt2.o building to here.
1866 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1867 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1870 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1872 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1873 from '! xxx' to '!xxx' for coding-style conformance.
1874 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1875 (EXTRA_CONSTRAINT): Likewise.
1876 * config/vax/vax.md (four unnamed insns): Likewise.
1878 2006-03-15 Paul Brook <paul@codesourcery.com>
1880 * config/arm/arm.c (minipool_pad): New.
1881 (add_minipool_forward_ref): Include pool alignment padding in address
1883 (push_minipool_fix): Set minipool_pad.
1884 (minipool_pad): Ditto.
1886 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1888 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1889 instead of GET_CODE() == MEM and REG_P() instead of
1891 (print_operand_address): Likewise.
1892 (vax_address_cost): Likewise.
1893 (vax_rtx_costs): Likewise.
1894 (vax_notice_update_cc): Likewise.
1895 (vax_output_int_add): Likewise.
1896 (INDEX_REGISTER_P): Likewise.
1897 (BASE_REGISTER_P): Likewise.
1898 (nonindexed_address_p): Likewise.
1899 (vax_mode_dependent_address_p): Likewise.
1900 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1901 (PRINT_OPERAND): Likewise.
1902 * config/vax/vax.md (ashlsi3): Likewise.
1903 (ashlsi3): Likewise.
1904 (some more unnamed insns): Likewise.
1906 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1908 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1909 iterator-style macro.
1910 (mark_control_dependent_edges_necessary): Update the use of
1911 EXECUTE_IF_CONTROL_DEPENDENT.
1913 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1915 * config/sh/predicates.md (cache_address_operand): Special.
1916 (ua_address_operand): Likewise.
1918 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1920 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1922 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1924 2006-03-15 Andreas Schwab <schwab@suse.de>
1926 * gensupport.c (identify_predicable_attribute): Don't free p_false
1927 when it is still in use.
1929 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1931 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1932 the default setting here.
1934 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1936 * tree-pass.h (pass_cfg): Remove.
1937 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1938 * passes.c (pass_cfg): Don't run it.
1940 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1942 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1943 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1945 (stack_regs_mentioned): Update the uses of
1946 stack_regs_mentioned_data. Don't access the array beyond its
1948 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1949 Don't include gt-reg-stack.h.
1951 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1952 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1954 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1957 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1960 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1962 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1964 2006-03-14 Richard Guenther <rguenther@suse.de>
1966 PR tree-optimization/26672
1967 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1970 2006-03-14 Richard Guenther <rguenther@suse.de>
1972 PR tree-optimization/26667
1973 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1974 node for the callees. Always allow inlining if it will shrink
1977 2006-03-14 Richard Guenther <rguenther@suse.de>
1980 * builtins.c (get_pointer_alignment): Prefer alignment
1981 information from decls over that from types.
1983 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1986 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1988 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1990 * config/rs6000/rs6000.opt (mdlmzb): New option.
1991 (msched-prolog, msched-epilog): Use Var not Mask.
1992 * doc/invoke.texi (-mdlmzb): Document.
1993 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1995 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1996 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1998 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2000 PR rtl-optimization/25739
2001 * bt-load.c (augment_live_range): Free tos pointer.
2003 * gensupport.c (identify_predicable_attribute): Free
2005 * gcov.c (create_file_names): Free name pointer.
2007 2006-03-13 Roger Sayle <roger@eyesopen.com>
2010 * stmt.c (emit_case_nodes): Handle the case where the index is a
2011 CONST_INT, where the comparison mode is specified by the index type.
2013 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2015 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2018 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2020 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2021 (*branch_fp_inverted): Likewise.
2023 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2026 * omp-low.c (expand_omp_for_generic): Mark istart0
2027 and iend0 as addressable.
2029 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2031 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2033 2006-03-13 Jeff Law <law@redhat.com>
2035 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2036 virtual operands are interesting.
2037 (vrp_visit_stmt): Corresponding changes.
2039 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2041 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2043 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2044 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2045 * config/bfin/crti.S: Use it instead of __PIC__.
2046 * config/bfin/crtn.S: Likewise.
2048 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2049 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2051 Lose 'G' modifier for call operand.
2052 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2053 recognize 'G' modifier.
2055 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2058 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2059 * stmt.c (expand_case): Likewise.
2061 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2063 PR rtl-optimization/26254
2064 * loop-invariant.c (seq_insns_valid_p): New function.
2065 (move_invariant_reg): Only emit new code if it is valid.
2067 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2069 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2071 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2072 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2073 (commit_one_edge_insertion): Do not look for loop notes.
2075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2077 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2078 flag_test_coverage out of loop.
2080 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2082 * final.c (shorten_branches): Remove outdated comment, and turn
2083 the if branch that guards it to continue.
2085 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2087 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2088 * cfgloop.h (struct loop): Remove unused fields.
2090 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2092 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2093 (-dL, -fdump-rtl-loop2): Update the dump file names
2095 * doc/invoke.texi: Update dump file names.
2097 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2099 * predict.c (estimate_probability): Remove.
2100 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2101 * basic-block.h (estimate_probability): Remove prototype.
2102 * passes.c (finish_optimization_passes): Dump branch prediction or
2103 profiling heuristics to the .profile tree dump.
2104 (init_optimization_passes): Unqueue pass_branch_prob.
2106 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2108 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2110 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2111 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2113 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2115 * function.h (frame_offset_overflow): Declare.
2116 * function.c (frame_offset_overflow): New function.
2117 (assign_stack_local_1): Call it to detect that the offset overflows.
2118 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2120 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2122 * config/sh/sh.c: Include alloc-pool.h.
2123 (label_ref_list_pool): New alloc pool.
2124 (label_ref_list_t): New type for lists of labels.
2125 (struct pool_node): Make wend a label_ref_list_t.
2126 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2128 (dump_table): Likewise.
2129 (sh_reorg): Set up the alloc pool before using add_constant and
2130 dump_table, and destroy it when finishing.
2132 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2134 * config/mips/mips.c: Remove redundant comment.
2136 2006-03-10 Jason Merrill <jason@redhat.com>
2139 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2140 the target was declared 'register'.
2142 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2144 * genpreds.c (write_insn_constraint_len): Change definition of
2145 insn_constraint_len to return size_t to match the declaration.
2147 2006-03-10 DJ Delorie <dj@redhat.com>
2149 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2151 (m32c_expand_insv): Fix test for an AND mask.
2153 2006-03-10 Richard Guenther <rguenther@suse.de>
2156 * builtins.c (get_pointer_alignment): Handle component
2157 references for field alignment.
2159 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2161 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2162 when building with libgloss.
2163 (sh*elf): Implement --without-fp option.
2164 (sh64-superh-linux*): Don't multilib.
2166 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2168 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2170 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2172 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2173 Set it when one of the replacement functions returned true.
2174 Return TODO_cleanup_cfg if cfgchanged is true.
2175 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2177 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2179 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2180 instead of gen_lowpart.
2182 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2184 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2186 (mips_output_order_conditional_branch): Declare.
2187 * config/mips/mips.h (MIPS_BRANCH): New macro.
2188 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2189 for the comparison. Use gen_condjump.
2190 (mips_output_conditional_branch): Rework interface to take the
2191 asm templates for a direct branch and the inverse of a direct branch.
2192 (mips_output_order_conditional_branch): New function.
2193 (mips_builtin_branch_and_move): New function.
2194 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2195 branch condition. Use gen_single_cc as the condition for
2196 __builtin_mips_upper_* or __builtin_mips_lower_*.
2197 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2198 Use VOIDmode for the branch condition.
2199 * config/mips/predicates.md (order_operator): New predicate.
2200 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2201 (branch_fp): Rename to...
2202 (*branch_fp): ...this. Remove mode from comparison operator.
2203 Use new mips_output_conditional_branch interface.
2204 (branch_fp_inverted): Rename to...
2205 (*branch_fp_inverted): ...this and update as for *branch_fp.
2206 (*branch_zero<mode>): Rename to...
2207 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2208 Use mips_output_order_conditional_branch. Only accept ordered
2210 (*branch_zero<mode>_inverted): Rename to...
2211 (*branch_order<mode>_inverted): ...this and update as for
2212 *branch_order<mode>.
2213 (*branch_equality<mode>): Accept zero as the second operand to
2214 the equality operator. Use the new mips_output_conditional_branch
2216 (*branch_equality<mode>_inverted): Likewise.
2217 (condjump): New expander.
2218 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2220 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2221 (bc1any2t, bc1any2f): Likewise.
2222 (single_cc): New expander.
2223 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2225 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2227 * doc/md.texi: Update documentation of MIPS constraints.
2228 * config/mips/constraints.md: New file.
2229 * config/mips/mips.md: Include it.
2230 * config/mips/mips.c (mips_char_to_class): Delete.
2231 (override_options): Don't initialize mips_char_to_class.
2232 * config/mips/mips.h (mips_char_to_class): Delete.
2233 (REG_CLASS_FROM_LETTER): Delete.
2234 (CONST_OK_FOR_LETTER_P): Delete.
2235 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2236 (EXTRA_CONSTRAINT_Y): Delete.
2237 (EXTRA_CONSTRAINT_STR): Delete.
2238 (CONSTRAINT_LEN): Delete.
2239 (EXTRA_MEMORY_CONSTRAINT): Delete.
2241 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2243 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2244 original fn's eh regions.
2246 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2248 * fold-const.c (build_range_check): Make sure to use a valid type to
2249 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2252 (range_predecessor): New static function.
2253 (range_successor): Likewise.
2254 (merge_ranges): Use them to compute predecessors and successors of
2257 2006-03-09 Roger Sayle <roger@eyesopen.com>
2260 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2261 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2263 2006-03-08 DJ Delorie <dj@redhat.com>
2265 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2266 (addpsi3): Expand to include memory operands. Remove
2267 reload-specific splits.
2268 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2269 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2270 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2271 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2272 (shift1_qi, shift1_hi, insv): New.
2273 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2274 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2275 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2277 * config/m32c/m32c-protos.h: Update as needed.
2278 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2279 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2280 Fail for unrecognized R* constraints.
2281 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2282 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2283 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2285 (m32c_init_libfuncs): New.
2286 (m32c_legitimate_address_p): Add debug wrapper.
2287 (m32c_rtx_costs): New.
2288 (m32c_address_cost): New.
2289 (conversions): Add 'B' prefix.
2290 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2291 operands, or word regnames for QI operands. 'B' prints bit
2293 (m32c_expand_setmemhi): New.
2294 (m32c_expand_movmemhi): New.
2295 (m32c_expand_movstr): New.
2296 (m32c_expand_cmpstr): New.
2297 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2298 (m32c_expand_neg_mulpsi3): Handle non-ints.
2299 (m32c_cmp_flg_0): New.
2300 (m32c_expand_movcc): New.
2301 (m32c_expand_insv): New.
2302 (m32c_scc_pattern): New.
2303 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2304 a0/a1 out of SIregs.
2305 (STORE_FLAG_VALUE): New.
2306 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2309 * config/m32c/mov.md: Make constraints more liberal.
2310 (zero_extendqihi2): Optimize r0/r1 case.
2311 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2312 * config/m32c/predicates.md (m32c_any_operand): New.
2313 (m32c_nonimmediate_operand): New.
2314 (m32c_hl_operand): New.
2315 (m32c_r3_operand): New.
2318 (memsym_operand): New.
2319 (memimmed_operand): New.
2320 (a_qi_operand): New.
2321 (m32c_eqne_operator): New.
2322 (m32c_1bit8_operand): New.
2323 (m32c_1bit16_operand): New.
2324 (m32c_1mask8_operand): New.
2325 (m32c_1mask16_operand): New.
2326 * config/m32c/blkmov.md: New file.
2327 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2329 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2331 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2332 unsigned to fix signed/unsigned comparison issue in
2333 DWARF2_FRAME_REG_OUT.
2334 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2335 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2337 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2338 of ptr into the ENABLE_CHECKING section.
2340 2006-03-08 Jeff Law <law@redhat.com>
2342 * tree-vrp.c (infer_value_range): Only count pointer uses
2343 and dereferences if -fdelete-null-pointer-checks is enabled.
2345 * tree-vrp.c (find_assert_locations): Infer value ranges for
2346 single use pointers, but do not create ASSERT_EXPRs for them.
2347 When a non-null range is inferred for a pointer, backwards
2348 propagate that range to other equivalent pointers through the
2351 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2354 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2355 language hook targets.
2356 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2357 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2358 if language hook targets were missing.
2360 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2362 * tree-ssa-opfinalize.h: Removed.
2363 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2365 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2366 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2367 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2368 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2369 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2370 finalize_ssa_v_must_def_ops): New.
2372 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2374 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2377 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2379 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2381 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2382 addresses with offsets; reorganize.
2384 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2385 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2386 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2388 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2391 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2393 2006-03-08 Ben Elliston <bje@au.ibm.com>
2395 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2397 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2400 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2403 2006-03-07 Richard Guenther <rguenther@suse.de>
2405 PR tree-optimization/26587
2406 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2408 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2410 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2412 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2414 * hooks.c (hook_bool_mode_rtx_true): New function.
2415 * hooks.h (hook_bool_mode_rtx_true): Declare.
2416 * toplev.c (compile_file): Call output_shared_constant_pool.
2417 * varasm.c (shared_constant_pool): New variable.
2418 (assemble_start_function, assemble_end_function): Remove arguments
2419 from call to output_constant_pool.
2420 (create_constant_pool): New function, split out from...
2421 (init_varasm_status): ...here.
2422 (force_const_mem): Choose between the shared and per-function constant
2423 pools. Set current_function_uses_const_pool when reusing old entries
2424 as well as when creating new ones.
2425 (mark_constant): Ignore data argument.
2426 (mark_constants): Remove pool argument.
2427 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2428 to decide whether the function uses a constant pool.
2429 (output_constant_pool_contents): New function, split out from...
2430 (output_constant_pool): ...here.
2431 (output_shared_constant_pool): New function.
2432 (init_varasm_once): Initialize shared_constant_pool.
2433 * output.h (output_constant_pool): Delete.
2434 (output_shared_constant_pool): Declare.
2435 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2436 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2438 2006-03-06 Nick Clifton <nickc@redhat.com>
2440 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2441 flag_strength_reduce.
2443 2006-03-06 Ben Elliston <bje@au.ibm.com>
2445 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2446 x86_64-*-linux* configurations.
2448 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2449 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2451 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2453 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2455 * basic-block.h: Remove the extern for
2456 rediscover_loops_after_threading.
2458 * cfgloop.c (cancel_loop): Make it static.
2459 * cfgloop.h: Remove the prototype for cancel_loop.
2461 * flow.c (recompute_reg_usage): Make it static.
2462 * rtl.h: Remove the prototype for recompute_reg_usage.
2464 * function.c (use_return_register): Make it static.
2465 * function.h: Remove the prototype.
2467 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2469 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2471 * recog.h: Remove the prototype for
2472 validate_change_maybe_volatile.
2474 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2476 * rtlanal.c (replace_reg): Remove.
2477 * rtl.h: Remove the prototype for replace_reg.
2479 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2481 * regclass.c (reg_scan_update): Remove.
2482 (reg_scan_mark_refs): Remove the last argument.
2483 * rtl.h: Remove the prototype for reg_scan_update.
2485 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2487 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2488 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2489 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2490 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2491 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2492 loop-invariant.c, omp-low.c, opts.c, passes.c,
2493 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2494 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2495 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2496 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2497 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2498 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2500 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2502 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2503 * dwarf2out.h: Remove the prototype for
2504 dwarf2out_add_library_unit_info.
2506 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2508 * tree.c (add_var_to_bind_expr): Remove.
2509 * tree.h: Remove the prototype for add_var_to_bind_expr.
2511 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2513 * regclass.c (n_non_fixed_regs): Remove.
2514 (init_reg_sets_1, globalize_reg): Remove all uses of
2516 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2518 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2520 * rtlanal.c (insns_safe_to_move_p): Remove.
2521 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2523 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2525 * expmed.c (expand_mult_add): Remove.
2526 * expr.h: Remove the prototype for expand_mult_add.
2528 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2530 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2531 and REG_SAVED_VAL_EXP constants.
2532 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2533 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2534 Handle regs stored by value.
2535 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2536 (execute_cfa_program): Handle DW_CFA_val_offset,
2537 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2538 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2539 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2540 (uw_install_context_1): Handle target regs stored by value.
2542 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2544 * tree-sra.c (tree_sra): Return todoflags;
2545 (generate_one_element): Set TODO_update_smt_usage if needed.
2546 (pass_sra): Remove TODO_update_smt_usage.
2547 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2549 (tree_ssa_forward_propagate_single_use_vars): Return
2550 TODO_update_smt_usage if we need to update SMT usage.
2551 (pass_forwprop): Remove TODO_update_smt_usage.
2553 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2555 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2556 (correct_use_link): Remove reference to get_stmt_operands.
2557 (update_stmt_operands): Likewise.
2558 (get_modify_expr_operands): New function factored out of
2559 parse_ssa_operands and get_expr_operands.
2560 Try to create V_MUST_DEFs for LHS by default.
2561 (get_expr_operands) <case MODIFY_EXPR>: Call
2562 get_modify_expr_operands.
2563 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2564 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2565 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2566 get_modify_expr_operands.
2568 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2570 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2571 * tree-flow.h: Remove the prototype for
2572 referenced_var_lookup_if_exists.
2574 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2576 PR rtl-optimization/26345
2578 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2580 2006-03-03 Roger Sayle <roger@eyesopen.com>
2582 PR tree-optimization/26524
2583 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2584 fold_convert to create a constant of the appropriate type.
2586 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2588 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2589 SYMBOL_REF_IN_BLOCK_P.
2590 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2591 of SYMBOL_FLAG_IN_BLOCK.
2592 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2593 instead of SYMBOL_REF_IN_BLOCK_P.
2594 * explow.c (use_anchored_address): Likewise.
2595 * rtl.c (rtx_size): Likewise.
2596 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2597 instead of SYMBOL_FLAG_IN_BLOCK.
2598 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2599 SYMBOL_REF_IN_BLOCK_P.
2600 (assemble_variable): Likewise.
2601 (output_constant_def_contents): Likewise.
2602 (output_constant_pool): Likewise.
2603 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2604 instead of SYMBOL_FLAG_IN_BLOCK.
2605 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2606 SYMBOL_REF_IN_BLOCK_P.
2607 (SYMBOL_REF_BLOCK): Likewise.
2608 (SYMBOL_REF_OFFSET): Likewise.
2609 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2610 SYMBOL_REF_IN_BLOCK_P.
2611 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2612 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2613 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2614 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2616 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2618 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2620 2006-03-02 Roger Sayle <roger@eyesopen.com>
2622 * simplify-rtx.c (simplify_unary_operation): When simplifying
2623 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2624 that we perform the right shift in the appropriate mode, and
2625 then extend or truncate the result to requested mode.
2627 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2629 * gengtype.c (main): Handle double_int type.
2630 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2631 * double-int.c: New file.
2632 * double-int.h: New file.
2633 * system.h: Include doubleint.h.
2634 * Makefile.in (SYSTEM_H): Include double-int.h.
2635 (double-int.o): Add.
2637 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2640 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2643 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2645 * tree-vrp.c (remove_range_assertions): Do not update statements
2648 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2650 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2652 * gcse.c (rest_of_handle_gcse): Ditto.
2653 * except.c (gate_handle_eh): Ditto.
2654 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2655 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2657 2006-03-02 Eric Christopher <echristo@apple.com>
2659 * config/i386/i386.c (machopic_output_stub): Add indirection to
2662 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2666 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2668 Sun Niagara specific optimizations.
2669 * config.gcc: Recognize niagara as target.
2670 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2671 (TARGET_CPU_niagara): Define.
2672 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2673 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2674 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2675 (ASM_CPU_SPEC): Likewise.
2676 (PROCESSOR_NIAGARA): New enum entry.
2677 (REGISTER_MOVE_COST): Handle Niagara.
2678 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2679 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2680 (sparc_override_options): Recognize "niagara", set appropriate
2681 default MASK_* values for it, and align functions to 32-bytes
2682 by default just like ULTRASPARC/ULTRASPARC3.
2683 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2684 (sparc64_initialize_trampoline): Likewise.
2685 (sparc_use_sched_lookahead): Use zero for niagara.
2686 (sparc_issue_rate): Use one for niagara.
2687 * config/sparc/niagara.md: New file.
2688 * config/sparc/sparc.md: Include it.
2689 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2690 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2691 when default cpu is niagara.
2692 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2693 (ASM_CPU_SPEC): Likewise.
2694 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2695 when default cpu is niagara.
2696 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2697 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2698 just like v9/ultrasparc/ultrasparc3.
2699 * doc/invoke.texi: Add documentation for "niagara" and improve
2700 existing documentation for ultrasparc variants.
2702 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2704 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2706 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2708 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2709 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2710 and say that only one is needed.
2711 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2712 * target.h (have_switchable_bss_sections): New hook.
2713 * explow.c (use_anchored_address): Check that the symbol is in a block.
2714 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2715 (bss_noswitch_section): New variables.
2716 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2717 (get_noswitch_section): New function.
2718 (get_block_for_section): Allow SECT to be null.
2719 (unlikely_text_section_p): Use SECTION_STYLE.
2720 (bss_initializer_p): New function.
2721 (get_variable_section): Move earlier in file. Take a new argument,
2722 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2723 Return one of the new *_sections in such cases.
2724 (get_block_for_decl): New function, extracting some logic from
2725 use_blocks_for_decl_p.
2726 (change_symbol_section): Remove in favor of...
2727 (change_symbol_block): ...this new function.
2728 (use_blocks_for_decl_p): Remove checks now performed by
2730 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2731 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2732 (emit_local, emit_bss, emit_common): ...these new functions.
2733 Return true if the alignment was honored.
2734 (emit_tls_common): New function.
2735 (asm_emit_uninitialised): Delete.
2736 (assemble_variable_noswitch): New function, split out from...
2737 (assemble_variable): ...here. Don't make decisions about common
2738 variables here. Globalize all public decls that go into non-common
2739 sections. Check whether SYMBOL_REF_BLOCK is null.
2740 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2741 (output_constant_pool): Likewise.
2742 (init_varasm_once): Initialize the new section variables.
2743 (have_global_bss_p): New function.
2744 (categorize_decl_for_section): Use bss_initializer_p.
2745 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2746 (place_block_symbol): Assert that the symbol must be in a block.
2747 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2748 (TARGET_INITIALIZER): Include it.
2749 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2750 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2751 (SECTION_MACH_DEP): Bump by two.
2752 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2753 (unnamed_section): Mention SECTION_UNNAMED in comment.
2754 (named_section): Likewise SECTION_NAMED.
2755 (noswitch_section_callback): New type.
2756 (noswitch_section): New structure.
2757 (section): Add a noswitch_section alternative.
2758 (SECTION_STYLE): New macro.
2759 (tls_comm_section, comm_section, lcomm_section): Declare.
2760 (bss_noswitch_section, have_global_bss_p): Declare.
2761 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2762 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2764 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2765 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2768 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2770 * gcc/tree-vrp.c (execute_vrp): Return value.
2771 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2772 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2773 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2774 (tree_lower_complex_O0): Ditto.
2775 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2776 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2777 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2778 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2779 (execute_tail_calls): Ditto.
2780 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2781 * gcc/tree.h (init_function_for_compilation): Ditto.
2782 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2783 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2784 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2785 * gcc/final.c (compute_alignments): Ditto.
2786 (rest_of_handle_final): Ditto.
2787 (rest_of_handle_shorten_branches): Ditto.
2788 (rest_of_clean_state): Ditto.
2789 * gcc/omp-low.c (execute_expand_omp): Ditto.
2790 (execute_lower_omp): Ditto.
2791 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2792 * gcc/ipa-reference.c (static_execute): Ditto.
2793 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2794 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2795 (rest_of_handle_machine_reorg): Ditto.
2796 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2797 * gcc/flow.c (recompute_reg_usage): Ditto.
2798 (rest_of_handle_remove_death_notes): Ditto.
2799 (rest_of_handle_life): Ditto.
2800 (rest_of_handle_flow2): Ditto.
2801 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2802 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2803 (do_ssa_store_ccp): Ditto.
2804 (execute_fold_all_builtins): Ditto.
2805 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2806 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2807 * gcc/ipa-pure-const.c (static_execute): Ditto.
2808 * gcc/cse.c (rest_of_handle_cse): Ditto.
2809 (rest_of_handle_cse2): Ditto.
2810 * gcc/web.c (rest_of_handle_web): Ditto.
2811 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2812 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2813 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2814 * gcc/tree-nrv.c (tree_nrv): Ditto.
2815 (execute_return_slot_opt): Ditto.
2816 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2817 (create_structure_vars): Ditto.
2818 * gcc/loop-init.c (rtl_loop_init): Ditto.
2819 (rtl_loop_done): Ditto.
2820 (rtl_move_loop_invariants): Ditto.
2821 (rtl_unswitch): Ditto.
2822 (rtl_unroll_and_peel_loops): Ditto.
2823 (rtl_doloop): Ditto.
2824 * gcc/gimple-low.c (lower_function_body): Ditto.
2825 (mark_used_blocks): Ditto.
2826 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2827 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2828 (cgraph_early_inlining): Ditto.
2829 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2830 * gcc/jump.c (cleanup_barriers): Ditto.
2831 (purge_line_number_notes): Ditto.
2832 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2833 (rest_of_handle_if_after_reload): Ditto.
2834 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2835 (tree_ssa_loop_im): Ditto.
2836 (tree_ssa_loop_unswitch): Ditto.
2837 (tree_vectorize): Ditto.
2838 (tree_linear_transform): Ditto.
2839 (tree_ssa_loop_ivcanon): Ditto.
2840 (tree_ssa_empty_loop): Ditto.
2841 (tree_ssa_loop_bounds): Ditto.
2842 (tree_complete_unroll): Ditto.
2843 (tree_ssa_loop_prefetch): Ditto.
2844 (tree_ssa_loop_ivopts): Ditto.
2845 (tree_ssa_loop_done): Ditto.
2846 * gcc/predict.c (tree_estimate_probability): Ditto.
2847 * gcc/recog.c (split_all_insns_noflow): Ditto.
2848 (rest_of_handle_peephole2): Ditto.
2849 (rest_of_handle_split_all_insns): Ditto.
2850 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2851 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2852 (rest_of_handle_stack_adjustments): Ditto.
2853 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2854 * gcc/function.c (instantiate_virtual_regs): Ditto.
2855 (init_function_for_compilation): Ditto.
2856 (rest_of_handle_check_leaf_regs): Ditto.
2857 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2858 (rest_of_handle_gcse): Ditto.
2859 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2860 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2861 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2862 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2863 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2864 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2865 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2866 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2867 * gcc/except.c (set_nothrow_function_flags): Ditto.
2868 (convert_to_eh_region_ranges): Ditto.
2869 (rest_of_handle_eh): Ditto.
2870 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2871 (remove_unnecessary_notes): Ditto.
2872 * gcc/except.h (set_nothrow_function_flags): Ditto.
2873 (convert_to_eh_region_ranges): Ditto.
2874 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2875 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2876 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2877 (execute_fre): Ditto.
2878 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2879 (rest_of_handle_jump2): Ditto.
2880 * gcc/tree-sra.c (tree_sra): Ditto.
2881 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2882 (execute_mudflap_function_decls): Ditto.
2883 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2884 (do_store_copy_prop): Ditto.
2885 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2886 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2887 * gcc/tree-ssa-forwprop.c
2888 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2889 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2890 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2891 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2892 (execute_late_warn_uninitialized): Ditto.
2893 * gcc/rtl.h (cleanup_barriers): Ditto.
2894 (split_all_insns_noflow): Ditto.
2895 (purge_line_number_notes): Ditto.
2896 (unshare_all_rtl): Ditto.
2897 (remove_unnecessary_notes): Ditto.
2898 (recompute_reg_usage): Ditto.
2899 (variable_tracking_main): Ditto.
2900 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2901 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2902 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2903 (execute_free_cfg_annotations): Ditto.
2904 (execute_fixup_cfg): Ditto.
2905 (execute_cleanup_cfg_pre_ipa): Ditto.
2906 (execute_cleanup_cfg_post_optimizing): Ditto.
2907 (execute_init_datastructures): Ditto.
2908 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2909 * gcc/combine.c (rest_of_handle_combine): Ditto.
2910 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2911 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2912 (rest_of_handle_reorder_blocks): Ditto.
2913 (rest_of_handle_partition_blocks): Ditto.
2914 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2915 * gcc/tree-profile.c (tree_profiling): Ditto.
2916 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2917 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2918 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2919 (rest_of_handle_sched2): Ditto.
2920 * gcc/basic-block.h (free_bb_insn): Ditto.
2921 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2922 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2923 (remove_useless_stmts): Ditto.
2924 (split_critical_edges): Ditto.
2925 (execute_warn_function_return): Ditto.
2926 (execute_warn_function_noreturn): Ditto.
2927 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2928 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2929 * gcc/passes.c (execute_one_pass): Run additional
2930 todos returned by execute function.
2931 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2934 2006-03-02 Richard Guenther <rguenther@suse.de>
2936 * tree-ssa-alias.c (find_used_portions): Consider taking
2937 the address as making the variable not write-only.
2939 2006-03-02 Nick Clifton <nickc@redhat.com>
2941 * config.gcc (default_use_cxa_atexit): Extend the description of
2942 this configure variable. Set its default value to "yes" for
2943 Linux, NetBSD and ELF targets on the assumption that they will
2944 use C libraries with the __cxa_atexit function.
2946 2006-03-02 Ben Elliston <bje@au.ibm.com>
2948 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2949 parameter as unused to suppress a build warning.
2951 2006-03-02 Ben Elliston <bje@au.ibm.com>
2953 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2956 2006-03-01 Roger Sayle <roger@eyesopen.com>
2959 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2960 declared name, the weak reference name, and the typeof name.
2961 (__gthrw): Avoid expanding the declared name suffix.
2962 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2964 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2966 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2968 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2969 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2970 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2971 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2972 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2973 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2974 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2975 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2976 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2977 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2978 (DW_END_default, DW_END_big, DW_END_little): New.
2979 (DW_END_lo_user, DW_END_hi_user): Define.
2980 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2981 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2982 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2985 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2987 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2989 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2991 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2993 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2995 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2996 to 'symbol_mem_tag'.
2998 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3001 2006-03-01 Roger Sayle <roger@eyesopen.com>
3003 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3005 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3008 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3009 MACHO_DYNAMIC_NO_PIC_P.
3010 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3012 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3015 * config/darwin-protos.h (darwin_asm_output_anchor):
3017 * config/darwin-sections.def (cstring_section):
3018 Add SECTION_MERGE to the flags.
3019 (literal4_section): Likewise.
3020 (literal8_section): Likewise.
3021 (objc_selector_refs_section): Likewise.
3022 (objc_cls_refs_section): Likewise.
3023 * config/darwin.c (darwin_asm_output_anchor): New
3025 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3027 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3029 Fix PR tree-optimization/26443
3030 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3031 to todo and PROP_tmt_usage to properties_destroyed.
3032 * tree-ssa-ccp.c (pass_ccp): Ditto.
3033 (pass_store_ccp): Ditto.
3034 * tree-ssa-dom.c (pass_dominator): Ditto.
3036 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3038 * tree-ssa-operands.c: Cleanup whitespace.
3039 (get_asm_expr_operands): Move before first invocation.
3040 (get_indirect_ref_operands): Likewise.
3041 (get_tmr_operands): Likewise.
3042 (get_call_expr_operands): Likewise.
3043 (append_def): Likewise.
3044 (append_use): Likewise.
3045 (append_v_may_def): Likewise.
3046 (append_v_must_def): Likewise.
3047 (add_call_clobber_ops): Likewise.
3048 (add_call_read_ops): Likewise.
3049 (add_stmt_operand): Likewise.
3050 (add_virtual_operand): Likewise.
3051 (build_ssa_operands): Likewise.
3053 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3058 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3059 with a call expr to ...
3060 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3062 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3064 * tree-vrp.c (extract_range_from_assert): Remove special
3065 handling for types with super-types.
3067 2006-03-01 Ben Elliston <bje@au.ibm.com>
3069 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3070 and powerpc64-*-linux* configurations.
3071 * config/t-dfprules: New file.
3073 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3074 Compile dfp-bit.c from the source directory using -DWIDTH and
3075 $DFP_CFLAGS to control the compilation of that file, rather than
3076 generating width-specific versions in the build directory.
3077 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3078 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3080 2006-02-28 Zack Weinberg <zackw@panix.com>
3082 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3085 2006-02-28 Eric Christopher <echristo@apple.com>
3087 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3088 Set up IN_LIBGCC definition of TARGET_64BIT.
3089 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3091 2006-02-28 Roger Sayle <roger@eyesopen.com>
3094 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3095 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3096 cases via the construction of "expr != 0".
3098 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3100 * alias.c (alias_invariant, alias_invariant_size): Remove.
3101 (record_base_value): Remove.
3102 (memrefs_conflict_p): Don't look at alias_invariant.
3103 (end_alias_analysis): Don't free it.
3104 * alias.h (record_base_value): Remove prototype.
3106 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3107 Adam Nemet <anemet@caviumnetworks.com>
3109 * rtl.h (truncated_to_mode): Declare it.
3110 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3111 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3112 (RTL_HOOKS_INITIALIZER): Include it.
3113 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3114 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3115 reg_truncated_to_mode.
3116 * rtlanal.c (truncated_to_mode): Define it.
3117 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3119 2006-02-28 Jeff Law <law@redhat.com>
3121 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3122 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3123 the range allowed by TYPE_PRECISION.
3125 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3127 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3129 PR tree-optimization/26419
3130 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3133 2006-02-27 Zack Weinberg <zackw@panix.com>
3135 * doc/md.texi: Fix typo in previous change.
3137 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3141 2006-02-27 Zack Weinberg <zackw@panix.com>
3143 * rtl.def (define_constraint, define_register_constraint)
3144 (define_memory_constraint, define_address_constraint): New MD forms.
3145 * gensupport.c (process_rtx): Put define_constraint etc on the
3147 * genpreds.c (process_define_predicate): Adjust comment. Validate
3148 the name, and call validate_exp to validate the expression.
3149 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3150 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3151 all callers changed.
3152 (validate_exp, needs_variable, struct constraint_data)
3153 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3154 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3155 (const_dbl_constraints, constraint_max_namelen)
3156 (have_register_constraints, have_memory_constraints)
3157 (have_address_constraints, have_address_constraints)
3158 (have_extra_constraints, have_const_int_constraints)
3159 (have_const_dbl_constraints, mangle, add_constraint)
3160 (process_define_constraint, process_define_register_constraint)
3161 (write_enum_constraint_num, write_lookup_constraint)
3162 (write_insn_constraint_len, write_regclass_for_constraint)
3163 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3164 (write_insn_extra_memory_constraint)
3165 (write_insn_extra_address_constraint)
3166 (write_satisfies_constraint_fns): New.
3167 (write_tm_preds_h): If we have new-style constraint definitions,
3168 prototype the functions generated from them, and define the
3169 old constraint interface (still used by generic code) in terms of
3171 (write_insn_preds_c): If we have new-style constraint definitions,
3172 generate all relevant functions from those definitions.
3173 (main): Handle define_constraint etc.
3174 * genoutput.c (struct constraint_data, indep_constraints)
3175 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3176 (mdep_constraint_len): New data structures and functions, defined
3177 #ifdef USE_MD_CONSTRAINTS.
3178 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3179 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3180 use new logic to validate operand constraints against constraint
3182 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3184 * defaults.h: If none of the old-style constraint macros are
3185 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3186 old-style macros; and poison REG_CLASS_FROM_LETTER,
3187 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3189 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3190 * doc/md.texi: Document new constraint-definition mechanism and the
3191 C interface it provides. Remove references to old mechanism
3192 elsewhere in the document.
3193 (Machine Constraints): Use pathnames relative to gcc directory,
3194 i.e. config/ARCH/FILE. Change i386 section to refer to
3195 config/i386/predicates.md; update that section to match docstrings.
3196 * doc/tm.texi: Move all documentation of the old constraint-
3197 definition macros to their own section, clearly mark as obsolete.
3199 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3200 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3202 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3203 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3204 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3206 (splits and peepholes): Use satisfies_constraint_*.
3207 * config/i386/i386.c (memory_address_length)
3208 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3210 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3212 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3213 scalar operation to be put back into the loop.
3215 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3218 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3219 (extract_cie_info): Handle S flag in augmentation string.
3220 (execute_cfa_program): If context->signal_frame, execute also
3221 fs->pc == context->ra instructions.
3222 (uw_frame_state_for): If context->signal_frame, don't subtract one
3223 from context->ra to find FDE.
3224 (uw_update_context_1): Set context->signal_frame to
3226 (_Unwind_GetIPInfo): New function.
3227 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3228 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3230 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3231 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3232 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3233 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3234 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3235 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3236 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3237 x86_64_fallback_frame_state): Set fs->signal_frame.
3238 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3239 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3240 (frob_update_context): Likewise. Workaround missing S flag in
3241 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3242 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3243 Remove the psw_addr + 1 hack.
3245 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3247 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3248 with aggregates here.
3249 (find_func_aliases): Remove code for &<aggregate> from here.
3251 2006-02-26 Roger Sayle <roger@eyesopen.com>
3253 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3254 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3255 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3258 2006-02-26 Roger Sayle <roger@eyesopen.com>
3261 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3263 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3265 * opts.c (decode_options): Do not handle flag_strength_reduce.
3266 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3267 and OPT_fstrength_reduce.
3268 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3269 flag_prefetch_loop_arrays for being nonzero.
3270 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3272 (fprefetch-loop-arrays-rtl): Removed.
3273 (flag_prefetch_loop_arrays): Do not specify the value.
3275 * doc/passes.texi: Update documentation of loop optimizer
3277 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3278 -frerun-loop-opt): Remove.
3280 2006-02-26 Richard Guenther <rguenther@suse.de>
3282 PR tree-optimization/26421
3283 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3284 in function calls that are ADDR_EXPRs as using the whole structure.
3286 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3288 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3289 * tree-pass.h (pass_loop_optimize): Remove.
3290 * passes.c (pass_loop_optimize): Never run it.
3291 * toplev.c (backend_init): Don't call init_loop.
3292 * opts.c (flag_loop_optimize_set): Remove.
3293 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3294 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3295 the old RTL loop optimizer when profiling enabled.
3296 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3297 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3298 pre-headers for the sake of the old RTL loop optimizer.
3299 * Makefile.in: Remove all references to loop.o.
3301 * doc/invoke.texi: Remove all references to -floop-optimize
3302 and -frerun-loop-opt.
3304 2006-02-26 Zack Weinberg <zackw@panix.com>
3306 * doc/md.texi (Machine Constraints): Refer to all files with paths
3307 relative to gcc directory (i.e. config/CPU/file). Add missing
3308 @table @code ... @end table to M32C subsection.
3310 2006-02-26 Roger Sayle <roger@eyesopen.com>
3312 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3314 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3316 2006-02-26 Roger Sayle <roger@eyesopen.com>
3317 James A. Morrison <phython@gcc.gnu.org>
3320 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3321 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3322 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3323 signedness of the shift operation.
3325 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3327 PR tree-optimization/26359
3328 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3330 2006-02-25 Roger Sayle <roger@eyesopen.com>
3332 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3333 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3334 as X == 0, and some symmetry related transformations.
3335 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3337 2006-02-25 Roger Sayle <roger@eyesopen.com>
3340 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3341 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3342 symmetry related transformations. Fold (X^C1) == C2 as
3345 2006-02-25 Juergen Weigert <jw@suse.de>
3346 Richard Guenther <rguenther@suse.de>
3348 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3350 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3352 * combine.c (gen_lowpart_or_truncate): Call
3353 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3355 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3357 * doc/invoke.texi: Move -fopenmp description to "Options for
3359 Remove reference to -lgomp.
3361 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3363 * doc/install.texi: Require GNU tar version 1.14.
3365 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3367 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3368 * doc/invoke.texi (C++ Dialect Options): Document
3369 -fno-use-cxa-get-exception-ptr.
3370 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3371 * configure: Regenerate.
3372 * c.opt (fuse-cxa-get-exception-ptr): New.
3373 * c-opts.c (c_common_handle_option): Handle
3374 OPT_fuse_cxa_get_exception_ptr.
3375 * c-common.c (flag_use_cxa_atexit): Update documentation.
3376 (flag_use_cxa_get_exception_ptr): New.
3377 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3378 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3380 (C_COMMON_OVERRIDE_OPTIONS): New.
3382 2006-02-24 Roger Sayle <roger@eyesopen.com>
3385 * combine.c (try_combine): Explicitly check whether GET_CODE is
3386 a SET or a CLOBBER, instead on checking that it isn't a USE.
3388 2006-02-24 Roger Sayle <roger@eyesopen.com>
3390 * fold-const.c (fold_comparison): New subroutine of fold_binary
3391 containing transformations common to both the equality and
3392 ordering relational operators, factored out of fold_binary.
3393 (fold_binary): Separate out the equality operators (EQ_EXPR
3394 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3395 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3396 transformations common to both.
3397 (fold_div_compare): Fix latent bugs in the previously unreachable
3398 LT_EXPR and GE_EXPR cases.
3400 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3402 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3403 decl libname for clog to __clog on AIX.
3405 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3407 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3410 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3411 output traceback table for thunks. Localise rs6000_stack_info call.
3413 2006-02-23 Roger Sayle <roger@eyesopen.com>
3414 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3416 * gthr-posix.h (__gthrw): Fix typo in comment.
3418 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3420 * doc/cpp.texi (Character sets): Document that we do support
3421 input files to be in any character set.
3423 2006-02-23 Jeff Law <law@redhat.com>
3425 * tree.h (PHI_ARG_NONZERO): Remove.
3426 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3427 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3428 node to the new node.
3430 PR tree-optimization/26425
3431 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3432 min/max, then assume its varying.
3434 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3436 PR rtl-optimization/26316
3437 * rtlanal.c (enum may_trap_p_flags): New.
3438 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3439 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3440 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3441 (may_trap_after_code_motion_p): New function.
3442 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3443 (find_invariant_insn): Use may_trap_after_code_motion_p.
3444 * rtl.h (may_trap_after_code_motion_p): Declare.
3446 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3448 * emit-rtl.c (immed_double_const): Cleanup.
3450 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3452 Fix PR tree-optimization/26376
3453 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3456 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3459 * gimplify.c (omp_add_variable): Guard variable size decl test with
3460 DECL_SIZE (decl) check.
3462 2006-02-23 Richard Guenther <rguenther@suse.de>
3465 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3466 like aggregate types.
3468 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3470 * configure.ac: Add --with{,out}-long-double-128 configure option.
3471 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3472 * configure: Rebuilt.
3473 * config.in: Rebuilt.
3474 * doc/install.texi (Options specification): Document
3475 --with-long-double-128.
3477 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3478 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3479 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3480 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3482 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3484 * config/s390/s390.c (override_options): Handle
3485 TARGET_DEFAULT_LONG_DOUBLE_128.
3487 * config/alpha/alpha.c (override_options): Handle
3488 TARGET_DEFAULT_LONG_DOUBLE_128.
3490 * config/sparc/sparc.c (sparc_override_options): Handle
3491 TARGET_DEFAULT_LONG_DOUBLE_128.
3493 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3495 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3496 (real-install-headers-tar, real-install-headers-cpio)
3497 (real-install-headers-cp): New targets.
3499 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3501 * tree.h (variable_section): Delete.
3502 * varasm.c (variable_section): Delete.
3504 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3506 * install.texi: Add notes on install.texi2html.
3507 (Building in parallel): Do not use footnotes.
3509 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3512 * doc/install.texi (Configuration): Document --disable-libgomp.
3514 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3516 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3518 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3520 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3521 (vec_extractv2df_0_sse): New.
3523 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3525 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3526 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3527 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3528 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3529 to the result of the expression.
3530 (def_cfa_1): Adjust.
3531 (frame_pointer_cfa_offset): Rename to...
3532 (frame_pointer_fb_offset): ... this. Adjust all uses.
3533 (convert_cfa_to_loc_list): Rename to...
3534 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3535 Pass it on to build_cfa_loc.
3536 (compute_frame_pointer_to_cfa_displacement): Rename to...
3537 (compute_frame_pointer_to_fb_displacement): ... this. New
3538 offset parameter. Use it in computation.
3539 (gen_subprogram_die): Compute cfa_fb_offset with the new
3540 macro, and use it to compute the fb loc list and the
3543 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3545 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3546 replaced with register_operand.
3547 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3548 non-DREG is expensive.
3549 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3550 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3553 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3555 * doc/install.texi2html: Use set -e.
3557 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3559 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3560 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3561 * doc/invoke.texi (-fshared-data): Delete.
3562 * common.opt (fshared-data): Delete.
3563 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3564 (assemble_static_space): Remove #if 0 code.
3565 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3566 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3567 * config/cris/cris.h: Remove FIXME.
3569 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3571 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3574 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3577 * combine.c (simplify_shift_const_1): Disable nested shifts
3578 optimization for vector shifts.
3580 2006-02-20 Roger Sayle <roger@eyesopen.com>
3582 PR tree-optimization/26361
3583 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3584 of unsigned integer types.
3586 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3588 * tree-chrec.c (eq_evolutions_p): New.
3589 * tree-chrec.h (eq_evolutions_p): Declared.
3590 * tree-data-ref.c: Fix formatting.
3591 (datadep_stats, dependence_stats): New.
3593 (print_direction_vector): New.
3594 (dump_data_dependence_relation): Use print_direction_vector.
3595 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3596 (compute_subscript_distance): Static.
3597 (initialize_data_dependence_relation): Static. Get the number
3598 of loops surrounding the references from the callers, and initialize
3599 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3600 base_object_differ_p analyzers.
3601 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3602 compute_overlap_steps_for_affine_1_2,
3603 analyze_subscript_affine_affine): Count the classified dependences.
3604 Print a message when a test failed.
3605 (can_use_analyze_subscript_affine_affine): New.
3606 (analyze_siv_subscript): Compute the data dependences on symbolic
3607 scevs that verify can_use_analyze_subscript_affine_affine.
3608 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3609 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3610 Handle symbolic scevs.
3611 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3613 (subscript_dependence_tester): Moved...
3614 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3615 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3616 DDR_SIZE_VECT instead of getting it in parameter.
3617 (subscript_dependence_tester): ... here. Take as a parameter
3618 loop_nest_depth. Call build_classic_dist_vector and
3619 build_classic_dir_vector.
3620 (compute_affine_dependence): Update subscript_dependence_tester
3621 parameters. Update datadep_stats counters. Call
3622 compute_subscript_distance.
3623 (compute_self_dependence): Save the dist and dir vectors. Call
3624 compute_subscript_distance.
3625 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3626 (compute_all_dependences): Reorder parameters as they were before
3627 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3628 compute_subscript_distance. Update the use of
3629 compute_affine_dependence and initialize_data_dependence_relation.
3630 (find_data_references_in_loop): Handle COMPONENT_REF.
3631 (compute_data_dependences_for_loop): Initialize dependence_stats.
3632 Don't call build_classic_dist_vector and build_classic_dir_vector.
3633 Update the parameters of initialize_data_dependence_relation and
3634 compute_all_dependences. Print the statistics from datadep_stats.
3635 (analyze_all_data_dependences): Static. Not used until the pass for
3636 checking the data dependences is contributed.
3637 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3638 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3639 (initialize_data_dependence_relation, compute_affine_dependence,
3640 analyze_all_data_dependences, compute_subscript_distance): Removed.
3641 (print_direction_vector): New.
3642 * lambda.h (gcd): ... here.
3643 (lambda_vector_gcd): Moved here from gcd_vector.
3644 * lambda-code.c (gcd, gcd_vector): Removed.
3645 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3646 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3648 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3650 * ipa-type-escape.c: Tidy some comments and white space.
3651 * tree-ssa-operands.c: Likewise.
3653 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3656 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3657 (dump_decl_name): Do not walk the decl tree chains.
3658 * tree-pass.h (TDF_CHAIN): Remove.
3660 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3662 * Makefile.in (C): Remove
3664 (.PHONY): Remove C and PROTO
3666 2006-02-20 Roger Sayle <roger@eyesopen.com>
3669 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3670 deprecated CHAR_TYPE tree code.
3672 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3674 * configure.ac (target_list): Add install-info, dvi, html.
3675 * configure: Regenerate.
3677 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3678 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3679 treelang/Make-lang.in: Do not use double-colon rules.
3681 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3683 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3684 (TMT_USED_ALONE): New macro.
3685 * tree-pass.h (PROP_tmt_usage): New property.
3686 (TODO_update_tmt_usage): New todo.
3687 * tree-ssa-alias.c (updating_used_alone): New variable.
3688 (recalculate_used_alone): New function.
3689 (compute_may_aliases): Set updating_used_alone, call
3690 recalculate_used_alone.
3691 * tree-sra.c (pass_sra): Note that this pass destroys
3692 PROP_tmt_usage, and add TODO_update_tmt_usage.
3693 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3694 * tree-flow.h (updating_used_alone): Prototype.
3695 (recalculate_used_alone): Ditto.
3696 * passes.c (execute_todo): Add code to set updating_used_alone,
3697 and call recalculate.
3698 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3699 for clobber if used alone, and add assert to verify used_alone
3702 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3704 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3705 for non tls symbols added.
3706 (legitimize_address): Do nothing for PLUS expressions if one of the
3707 addends is a tls symbol reference.
3709 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3713 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3715 * Makefile.in (BOOTSTRAPPING): New.
3716 (quickstrap): New definition if BOOTSTRAPPING=yes.
3718 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3719 * configure.ac: Substitute all_selected_languages with the languages
3720 that were configured. For all the other variables except
3721 lang_specs_files, include all the languages in the tree.
3722 * configure: Regenerate.
3724 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3725 if there is one. Run the commands to run fixincludes in the same
3728 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3729 * doc/install.texi: Document exact conventions for searching target tools.
3730 Document --with-build-time-tools. Document toplevel bootstrap. Document
3731 something more about building an Ada cross-compiler. Don't list GNU Make
3732 requirements which affect all platforms.
3734 2006-02-19 Roger Sayle <roger@eyesopen.com>
3737 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3738 only equivalent if the have both the same mode and precision.
3740 2006-02-20 Ben Elliston <bje@au.ibm.com>
3742 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3744 2006-02-19 Roger Sayle <roger@eyesopen.com>
3745 Steven Bosscher <stevenb.gcc@gmail.com>
3747 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3748 constant pool references to identify stack mode constants.
3749 * rtlanal.c (constant_pool_constant_p): New predicate to check
3750 whether operand is a floating point constant in the pool.
3751 * rtl.h (constant_pool_constant_p): Prototype here.
3752 * loop.c (scan_loop): Avoid hoisting constants from the constant
3753 pool on STACK_REGS targets.
3754 (load_mems): Likewise.
3755 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3756 loads into x87 registers expensive in terms of register pressure.
3758 2006-02-19 Roger Sayle <roger@eyesopen.com>
3760 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3761 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3763 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3765 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3766 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3768 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3770 * doc/invoke.texi: Document -fipa-pta.
3771 * common.opt: Add ipa-pta option.
3772 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3773 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3774 (do_ds_constraint): Ditto.
3775 (get_constraint_for): Only add to referenced_vars if
3776 referenced_vars exists.
3777 (insert_into_field_list): Rewrite to do this unsorted.
3778 (insert_into_field_list_sorted): Rename old insert_into_field_list
3780 (create_function_info_for): Use insert_into_field_list_sorted.
3781 (create_variable_info_for): Rewrite so it uses unsorted version,
3782 since the field list is sorted.
3783 (intra_create_variable_infos): Only add to referenced_vars if
3784 referenced_vars exists.
3785 (ipa_pta_execute): Init heapvars, and delete when done.
3786 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3788 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3790 * doc/install.texi: Add missing `@samp'.
3792 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3794 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3797 2006-02-18 Mark Wielaard <mark@klomp.org>
3799 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3800 who added new 4.1 features, bug fixes and integration support.
3802 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3805 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3808 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3810 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3811 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3812 (copy_insn_1): Likewise. Don't copy each field individually.
3814 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3816 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3817 * rtl.c (rtx_size): Rename variable to...
3818 (rtx_code_size): ...this.
3819 (rtx_size): New function.
3820 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3821 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3823 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3824 * rtl.h (rtx_code_size): New variable.
3825 (rtx_size): Change from a variable to a function.
3826 (RTX_SIZE): Rename to...
3827 (RTX_CODE_SIZE): ...this.
3830 PR tree-optimization/17106
3831 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3832 (Anchored Addresses): New section.
3833 * doc/invoke.texi (-fsection-anchors): Document.
3834 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3835 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3836 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3837 * hooks.c (hook_bool_mode_rtx_false): New function.
3838 * hooks.h (hook_bool_mode_rtx_false): Declare.
3839 * gengtype.c (create_optional_field): New function.
3840 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3841 SYMBOL_REF_IN_BLOCK_P is true.
3842 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3843 (min_anchor_offset, max_anchor_offset): Likewise.
3844 (use_anchors_for_symbol_p): New hook.
3845 * toplev.c (compile_file): Call output_object_blocks.
3846 (target_supports_section_anchors_p): New function.
3847 (process_options): Check that -fsection-anchors is only used on
3848 targets that support it and when -funit-at-a-time is in effect.
3849 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3850 if the decl doesn't have one.
3851 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3852 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3853 of force_const_mem through use_anchored_address.
3854 (expand_expr_constant): New function.
3855 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3856 calling expand_expr for INDIRECT_REF.
3857 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3858 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3859 * expr.h (use_anchored_address): Declare.
3860 * loop-unroll.c: Don't declare rtx vectors here.
3861 * explow.c: Include output.h.
3862 (validize_mem): Call use_anchored_address.
3863 (use_anchored_address): New function.
3864 * common.opt (-fsection-anchors): New switch.
3865 * varasm.c (object_block_htab, anchor_labelno): New variables.
3866 (hash_section, object_block_entry_eq, object_block_entry_hash)
3867 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3868 (use_blocks_for_decl_p, change_symbol_section): New functions.
3869 (get_variable_section): New function, split out from assemble_variable.
3870 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3871 use_blocks_for_decl_p say so. Use change_symbol_section if the
3872 symbol has already been created.
3873 (assemble_variable_contents): New function, split out from...
3874 (assemble_variable): ...here. Don't output any code for
3875 block symbols; just pass them to place_block_symbol.
3876 Use get_variable_section and assemble_variable_contents.
3877 (get_constant_alignment, get_constant_section, get_constant_size): New
3878 functions, split from output_constant_def_contents.
3879 (build_constant_desc): Create a block symbol if use_object_blocks_p
3880 says so. Or into SYMBOL_REF_FLAGS.
3881 (assemble_constant_contents): New function, split from...
3882 (output_constant_def_contents): ...here. Don't output any code
3883 for block symbols; just pass them to place_section_symbol.
3884 Use get_constant_section and get_constant_alignment.
3885 (force_const_mem): Create a block symbol if use_object_blocks_p and
3886 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3887 (output_constant_pool_1): Add an explicit alignment argument.
3888 Don't switch sections here.
3889 (output_constant_pool): Adjust call to output_constant_pool_1.
3890 Switch sections here instead. Don't output anything for block symbols;
3891 just pass them to place_block_symbol.
3892 (init_varasm_once): Initialize object_block_htab.
3893 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3894 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3895 (place_block_symbol, get_section_anchor, output_object_block)
3896 (output_object_block_htab, output_object_blocks): New functions.
3897 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3898 (TARGET_ASM_OUT): Include it.
3899 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3900 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3901 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3902 (TARGET_INITIALIZER): Include them.
3903 * rtl.c (rtl_check_failed_block_symbol): New function.
3904 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3905 (block_symbol, object_block): New structures.
3906 (rtx_def): Add a block_symbol field to the union.
3907 (BLOCK_SYMBOL_CHECK): New macro.
3908 (rtl_check_failed_block_symbol): Declare.
3909 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3910 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3911 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3912 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3913 * output.h (output_section_symbols): Declare.
3914 (object_block): Name structure.
3915 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3916 (default_use_anchors_for_symbol_p): Declare.
3917 * Makefile.in (RTL_BASE_H): Add vec.h.
3918 (explow.o): Depend on output.h.
3919 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3920 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3921 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3922 (rs6000_use_blocks_for_constant_p): New function.
3924 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3926 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3928 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3931 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3934 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3936 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3940 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3943 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3944 instead of DECL_REGISTER.
3946 2006-02-18 Olivier Hainque <hainque@adacore.com>
3949 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3951 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3954 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3955 * opth-gen.awk: Handle Var and InverseMask together.
3956 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3957 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3958 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3959 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3961 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3962 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3963 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3964 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3965 LINUX_DYNAMIC_LINKER): Define.
3966 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3967 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3969 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3970 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3971 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3973 (TARGET_C99_FUNCTIONS): Don't define.
3974 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3975 GLIBC_DYNAMIC_LINKER.
3976 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3977 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3978 GLIBC_DYNAMIC_LINKER64): Define.
3979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3980 LINUX_DYNAMIC_LINKER64.
3981 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3983 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3984 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3985 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3987 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3988 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3989 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3990 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3991 and LINUX_DYNAMIC_LINKER32.
3992 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3994 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3996 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3998 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3999 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4000 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4001 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4002 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4003 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4004 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4005 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4006 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4007 LINUX_DYNAMIC_LINKER): Define.
4008 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4009 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4010 GLIBC_DYNAMIC_LINKER64): Define.
4011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4012 LINUX_DYNAMIC_LINKER64.
4013 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4014 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4015 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4016 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4017 LINUX_DYNAMIC_LINKER): Define.
4018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4019 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4020 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4021 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4022 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4023 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4024 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4025 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4026 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4027 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4029 * doc/invoke.texi (-muclibc): Remove caveat about supported
4032 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4034 * doc/cpp.texi (__TIMESTAMP__): Document.
4036 2006-02-17 Roger Sayle <roger@eyesopen.com>
4039 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4040 C is one less than the width of X (and related transformations).
4041 * simplify-rtx.c (simplify_unary_operation_1): Transform
4042 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4043 depending on STORE_FLAG_VALUE, were C is one less then the
4046 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4048 Fix PR tree-optimization/26341
4049 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4050 about NAME_MEMORY_TAG's.
4052 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4055 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4056 with hardware float support, and software float support. Add fcpy
4057 alternative to hardware patterns. Add alternatives to copy between
4058 general and floating-point registers to the 32-bit pattern.
4059 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4060 secondary reload to load a QI or HI mode constant into a floating
4062 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4063 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4065 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4068 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4070 (load_macho_picbase_di): Likewise.
4072 2006-02-16 Jeff Law <law@redhat.com>
4074 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4075 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4076 (ssa_name_nonzero_p): Likewise.
4077 (get_value_range): Return NULL if VRP is not running.
4078 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4079 VRP routines do not discover a range.
4080 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4081 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4082 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4083 (tree_expr_nonnegative_p): Similarly.
4084 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4085 (restore_nonzero_vars_to_original_value): Remove.
4086 (unsafe_associative_fp_binop): Remove.
4087 (tree_ssa_dominator_optimize): Remove initialization and
4088 finalization of nonzero_vars and nonzero_vars_stack.
4089 (dom_opt_initialize_block): No longer push marker on
4091 (dom_opt_finalize_block): No longer call
4092 restore_nonzero_vars_to_original_value.
4093 (record_equivalences_from_phis): No longer look for
4094 nonzero PHI arguments.
4095 (cprop_into_successor_phis): No longer propagate nonzero
4096 property into PHI arguments. Lose unused argument. Caller
4098 (record_equivalences_from_stmt): No longer record nonzero
4099 values for SSA_NAMEs.
4100 (lookup_avail_expr): No longer use nonzero_vars.
4102 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4103 for sizetype when sizetype is unsigned.
4105 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4107 PR rtl-optimization/25603
4108 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4109 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4110 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4111 with new meaning of SETS.
4113 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4118 * config/linux.opt: New file.
4119 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4120 LINUX_DYNAMIC_LINKER): Define.
4121 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4122 * config.gcc (*-*-linux*): Define extra_options.
4123 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4124 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4125 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4126 GLIBC_DYNAMIC_LINKER.
4127 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4128 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4129 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4130 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4131 * doc/invoke.texi (GNU/Linux Options): New section.
4133 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4135 * config/sparc/sparc.md (setjmp): Rewrite.
4136 (setjmp_32): Delete.
4137 (setjmp_64): Likewise.
4139 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4141 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4144 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4146 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4149 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4151 PR rtl-optimization/26296
4152 * Makefile.in (loop-invariant.c): Add except.h dependency.
4153 * loop-invariant.c: Include except.h.
4154 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4156 2005-02-16 Paul Brook <paul@codesourcery.com>
4158 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4161 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4163 PR rtl-optimization/25636
4164 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4165 when deciding whether an insn is an initializing insn.
4167 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4169 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4170 (tree_code_size): Ditto.
4171 * tree.h (struct tree_memory_tag): Remove parent_var.
4172 (struct tree_struct_field_tag): New.
4175 (union tree_node): Add sft member.
4176 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4178 (create_sft): Add size and offset argument, set SFT_OFFSET and
4180 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4181 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4182 * tree-flow-inline.h (get_subvar_at): Update for
4183 SFT_OFFSET/SFT_SIZE.
4184 (var_can_have_subvars): Ditto.
4185 (overlap_subvar): Ditto.
4186 * print-tree.c (print_node): Print out interesting things for
4188 * tree-flow.h (struct subvar): Remove offset and size members.
4189 * tree-ssa-operands.c (get_expr_operands): Update for
4190 get_indirect_ref_operands changes.
4191 (get_indirect_ref_operands): Call add_virtual_operand instead of
4192 add_stmt_operand. Only recurse on base var if requested.
4193 (access_can_touch_variable): New function.
4194 (add_stmt_operand): Split virtual operand handling into ...
4195 (add_virtual_operand): Here. Add offset, size, and for_clobber
4196 arguments. Prune alias sets.
4197 (add_call_clobber_ops): Call add_virtual_operand.
4199 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4202 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4204 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4205 than TREE_CODE as index into omp_clause_num_ops array.
4207 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4209 PR rtl-optimization/26184
4210 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4212 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4213 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4214 must_precede, must_follow and tobe_scheduled.
4217 * opts.c (common_handle_option): Free new_option pointer.
4218 * df-core.c (df_analyze): Free postorder pointer.
4220 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4222 * Makefile.in: Fix the examples about the use of stamps
4224 2006-02-15 Michael Matz <matz@suse.de>
4228 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4229 influenced by maximum_field_alignment or DECL_PACKED.
4230 (update_alignment_for_field): Ditto.
4231 (place_field): Ditto.
4232 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4235 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4237 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4238 (debug_flow_info): Pass it.
4239 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4240 * bb-reorder.c (reorder_basic_blocks): Likewise.
4241 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4242 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4243 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4244 * gcse.c (gcse_main, bypass_jumps): Likewise.
4245 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4246 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4247 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4248 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4249 * rtl.h (dump_flow_info): Adjust prototype.
4250 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4251 * var-tracking.c (variable_tracking_main): Likewise.
4252 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4253 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4256 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4258 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4261 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4263 PR tree-optimization/26209
4264 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4265 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4267 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4269 2006-02-14 Roger Sayle <roger@eyesopen.com>
4272 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4273 (X,Y) and the corresponding symmetry related transformations.
4274 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4275 (X,Y) and its symmetry related transformations.
4277 2006-02-14 Roger Sayle <roger@eyesopen.com>
4279 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4282 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4284 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4286 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4289 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4290 support COMDAT group.
4291 * configure: Regenerate.
4293 2006-02-14 Roger Sayle <roger@eyesopen.com>
4298 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4300 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4302 Fix PR tree-optimization/26260
4304 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4306 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4307 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4308 * tree-ssa-structalias.c (create_variable_info_for): Use
4309 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4311 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4313 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4315 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4316 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4317 of the ending condition.
4318 * tree-ssa-loop-manip.c: Include params.h.
4319 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4320 tree_unroll_loop): New functions.
4321 * tree-pass.h (pass_loop_prefetch): Declare.
4322 * loop.c (rest_of_handle_loop_optimize): Test for
4323 -fprefetch-loop-arrays-rtl.
4324 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4325 * timevar.def (TV_TREE_PREFETCH): New timevar.
4326 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4327 pass_loop_prefetch): New.
4328 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4329 (cleanup_tree_cfg_loop): Call scev_reset.
4330 * common.opt (fprefetch-loop-arrays-rtl): Add.
4331 * tree-ssa-loop-prefetch.c: New file.
4332 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4333 (new_temp_expr_table): Initialize expr_vars.
4334 (free_temp_expr_table): Cleanup expr_vars.
4335 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4336 expressions from being merged into one.
4337 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4338 (struct tree_niter_desc): Add control, bound and cmp fields.
4339 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4341 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4342 (tree-cfgcleanup.o): Add SCEV_H dependency.
4343 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4344 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4346 2006-02-14 Richard Guenther <rguenther@suse.de>
4348 PR tree-optimization/26258
4349 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4350 in PHI argument processing.
4352 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4354 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4355 new expression in the requested machine mode.
4357 2006-02-13 Roger Sayle <roger@eyesopen.com>
4359 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4360 directly, instead let do_compare_rtx_and_jump handle this for us.
4361 * expr.c (expand_expr_real_1): Likewise.
4362 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4363 before do_jump_by_parts_greater.
4364 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4365 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4367 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4369 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4371 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4373 PR rtl-optimization/26235
4374 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4375 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4378 2006-02-13 Jeff Law <law@redhat.com>
4380 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4383 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4386 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4387 twice if decl is a builtin. When trying again, call get_callee_fndecl
4388 first to verify it is still a builtin.
4390 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4392 * dwarf2out.c (base_type_die): Don't add AT_name here.
4393 (subrange_type_die): Don't add AT_name here.
4394 (modified_type_die): Rearrange code flow. Do add AT_name here.
4396 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4398 PR rtl-optimization/26247
4399 PR rtl-optimization/26248
4400 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4402 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4404 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4405 * config/fixtfdi.c: Likewise.
4406 * config/fixunstfdi.c: Likewise.
4407 * config/floatditf.c: Likewise.
4409 2006-02-13 Roger Sayle <roger@eyesopen.com>
4412 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4413 into (X,C2) if C1 is a subset of the bits of C2. Transform
4414 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4416 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4418 2006-02-13 Josh Conner <jconner@apple.com>
4421 * varasm.c (function_section): Check for section name before
4422 calling select_section on targets that define
4423 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4424 unlikely_text_section instead of hot_function_section if
4425 first_function_block_is_cold.
4427 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4430 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4432 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4434 PR rtl-optimization/26222
4435 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4436 after tree->rtl expansion.
4437 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4438 before passing it to emit_move_insn.
4440 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4442 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4444 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4445 Clarify documentation.
4446 * c-common.h (warn_write_strings): Remove.
4447 * c-common.c (warn_write_strings): Likewise.
4448 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4451 2006-02-12 Roger Sayle <roger@eyesopen.com>
4454 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4455 (do_jump_parts_zero_rtx): New function renamed from
4456 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4457 (do_jump_parts_equality_rtx): New function split out from
4458 do_jump_parts_equality. Old implementation renamed as above.
4459 Call do_jump_parts_zero_rtx if either operand is zero.
4460 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4461 do all of the heavy lifting.
4462 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4463 calling either do_jump_by_parts_greater_rtx or
4464 do_jump_by_parts_equality_rtx.
4465 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4466 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4467 moved to do_compare_rtx_and_jump, call it directly.
4468 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4469 mode argument. Call do_compare_rtx_and_jump.
4470 (emit_case_nodes): Update calls to do_jump_if_equal.
4472 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4474 PR rtl-optimization/26225
4475 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4477 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4479 PR rtl-optimization/26232
4480 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4482 2006-02-11 Jason Merrill <jason@redhat.com>
4485 * tree-inline.c (declare_return_variable): Just don't use the
4486 modify target if it's a gimple complex reg and the return slot
4489 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4491 * doc/contrib.texi: Update my entry.
4493 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4495 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4497 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4499 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4502 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4504 * doc/invoke.texi (-floop-optimize2): Removed.
4505 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4506 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4507 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4508 * common.opt (floop-optimize2): Removed.
4509 (fmove-loop-invariants): Enabled by default.
4511 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4513 * tree-if-conv.c (combine_blocks): Free the result of
4514 get_loop_exit_edges.
4516 2006-02-10 Jeff Law <law@redhat.com>
4518 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4520 PR tree-optimization/26213
4521 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4522 loop trying to follow SSA_NAME_VALUE chains.
4524 2006-02-10 Richard Guenther <rguenther@suse.de>
4526 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4527 deal with structures that end in implicitly variable sized arrays.
4529 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4531 PR rtl-optimization/24762
4532 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4535 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4537 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4538 (struct ivopts_data): Add regs_used field.
4539 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4540 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4541 instead of loop_data->regs_used;
4542 (free_loop_data): Do not free aux fields for loops.
4543 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4544 and tree_ssa_iv_optimize_finalize.
4546 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4548 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4550 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4553 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4554 computing the effective result type.
4556 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4559 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4560 (tree_overlaps_hard_reg_set): Declare.
4561 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4562 type and signature to match function type expected by walk_tree.
4563 (tree_overlaps_hard_reg_set): New function.
4564 (decl_conflicts_with_clobbers_p): Rename to:
4565 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4566 Use tree_overlaps_hard_reg_set. Changed caller.
4567 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4568 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4569 * cris.c (cris_md_asm_clobbers): Likewise.
4571 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4573 * reload1.c (emit_input_reload_insns): Delete code that tries to
4574 inherit using find_equiv_reg.
4576 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4578 * c-common.h (flag_const_strings): Don't declare.
4579 * c-common.c (flag_const_strings): Remove.
4580 * c.opt (fconst_strings): Remove.
4581 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4582 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4583 (c_common_init_options): Don't set flag_const_strings.
4584 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4586 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4588 * arm.md (tlobits_cbranch): New pattern.
4589 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4590 testing a single bit.
4592 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4595 * tree-ssa-pre.c (create_component_ref_by_pieces):
4596 Handle RETURN_DECL like VAR_DECL.
4598 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4601 * fold-const.c (fold_indirect_ref_1): Fold
4602 "*(foo *)&complexfoo" to "__real__ complexfoo"
4603 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4605 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4607 * tree-flow-inline.h (var_can_have_subvars):
4608 Volatile variables should not have subvariables.
4610 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4613 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4614 multiplying unsigned values.
4617 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4619 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4621 2006-02-08 Jason Merrill <jason@redhat.com>
4624 * tree.def: Elaborate on difference from MODIFY_EXPR.
4625 * doc/c-tree.texi (INIT_EXPR): Likewise.
4626 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4627 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4628 (gimplify_target_expr): Likewise.
4629 (gimplify_cond_expr): Remove target handling.
4630 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4631 (gimplify_expr): Clobber it here.
4632 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4633 Do return slot optimization if we have an INIT_EXPR.
4636 * tree-inline.c (declare_return_variable): Also clear
4637 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4640 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4643 * gimplify.c (gimplify_one_sizepos): Fix typo.
4645 2006-02-08 Jeff Law <law@redhat.com>
4647 PR tree-optimization/21417
4648 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4649 across a backedge if the control statement at the end of the
4650 block is data dependent on other statements in the same block.
4651 (record_temporary_equivalences_from_stmts): Remove over-conservative
4652 test for threading across backedges.
4654 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4655 control statement, handle all three special cases in the same
4656 manner as they all have the same desired solution. No longer
4657 special case edge flag updating when the post dominator is
4660 2006-02-08 Roger Sayle <roger@eyesopen.com>
4662 * tree.def (CHAR_TYPE): Remove.
4663 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4664 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4665 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4666 (gen_string_type_die): Delete unreachable function.
4668 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4669 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4670 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4671 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4672 * builtins.c (type_to_class): Likewise.
4673 * fold-const.c (fold_convert, build_range_check,
4674 merge_ranges): Likewise.
4675 * expr.c (count_type_elements): Likewise.
4676 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4677 * stor-layout.c (layout_type): Likewise.
4678 * ipa-type-escape.c (type_to_consider): Likewise.
4679 * gimplify.c (omp_firstprivatize_type_sizes,
4680 gimplify_type_sizes): Likewise.
4681 * explow.c (promote_mode): Likewise.
4682 * tree-sra.c (is_sra_scalar_type): Likewise.
4683 * varasm.c (output_constant): Likewise.
4684 * tree-inline.c (remap_type_1): Likewise.
4685 * convert.c (convert_to_pointer, convert_to_real,
4686 convert_to_integer, convert_to_complex): Likewise.
4688 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4690 * df-scan.c (df_def_record_1): A set destination may
4691 be a parallel regardless of mode.
4693 2006-02-08 Roger Sayle <roger@eyesopen.com>
4696 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4697 * config/mips/_tilib.c: Remove.
4698 * config/fixtfdi.c: New libgcc source file.
4699 * config/fixunstfdi.c: New source file.
4700 * config/floatditf.c: New source file.
4701 * config/floatunditf.c: New souce file.
4702 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4703 files above instead of config/mips/_tilib.c.
4704 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4706 2006-02-08 Jeff Law <law@redhat.com>
4708 PR tree-optimization/26169
4709 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4712 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4714 * df.h (DF_REG_SIZE): Return the length of the initialized
4717 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4719 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4720 __muldf3): Return a correctly signed zero.
4722 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4724 * passes.c (register_one_dump_file): Accept the current properties
4725 instead of pass number. Adjust call to dump_register. Remove
4727 (register_dump_files): Now a wrapper around...
4728 (register_dump_files_1): ... this one. Do not modify the pass
4730 (next_pass_1): Cosmetic fix.
4731 (execute_todo): Keep second parameter only. Use curr_properties
4732 instead of fetching it from the pass structure. Check and set
4734 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4735 instead of fetching it from the pass structure. Fix calls to
4736 execute_todo. Update curr_properties and initialize .vcg RTL dump
4737 after running the pass. Reset last_verified.
4738 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4740 (FIRST_AUTO_NUMBERED_DUMP): New.
4741 (dump_register): Remove "num" parameter, assign it within the
4743 (get_dump_file_name): Modify template for dumps.
4744 * tree-dump.h (dump_register): Adjust prototype.
4745 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4746 (PROP_trees): Add PROP_gimple_lomp.
4747 (TODO_set_props): New.
4748 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4749 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4750 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4752 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4754 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4755 (sparc64-*-linux*): Likewise.
4756 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4757 * config/sparc/t-linux: New file.
4758 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4759 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4760 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4761 -m32 -mlong-double-128.
4763 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4764 * config/alpha/t-linux: New file.
4765 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4767 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4768 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4769 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4770 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4771 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4772 (CPP_ARCH32_SPEC): Remove.
4774 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4776 PR tree-optimization/26145
4777 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4780 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4783 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4784 >= 240000 when generating code for SOM runtime.
4785 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4786 to $$dyncall when generating code for SOM runtime..
4788 2006-02-07 Dirk Mueller <dmueller@suse.com>
4791 * doc/invoke.texi (-Wsequence-point): Update documentation
4792 that -Wsequence-point is implemented for C++ as well.
4794 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4796 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4797 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4798 (LIB_SPEC): Likewise.
4799 * doc/invoke.texi (SPARC options): Document -pthread.
4801 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4803 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4806 2006-02-07 Roger Sayle <roger@eyesopen.com>
4808 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4809 Correct comment describing BOOLEAN_TYPE.
4811 2006-02-07 Dirk Mueller <dmueller@suse.com>
4813 * c.opt: C++ frontend supports -Wdiv-by-zero.
4814 * c-opts.c (c_common_handle_option): Remove dead case.
4816 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4818 * configure.ac (TLS assembler check): Do not enable TLS by
4819 default on SPARC/Solaris before version 10.
4820 * configure: Regenerate.
4822 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4824 * doc/invoke.texi (xl-compat): Document conversion and support
4827 2006-02-07 Jeff Law <law@redhat.com>
4829 * tree-vrp.c (find_conditional_asserts): Update comments.
4830 (simplify_stmt_for_jump_threading): New.
4831 (identify_jump_threads, finalize_jump_threads): New.
4832 (vrp_finalize): Call identify_jump_threads.
4833 (execute_vrp): Call finalize_jump_threads.
4834 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4835 (vrp_element, vrp_data, vrp_element_p): Remove.
4836 (vrp_hash_elt, vrp_variables_stack): Remove.
4837 (vrp_hash, vrp_eq, record_range): Remove.
4838 (simplify_cond_and_lookup_avail_expr): Remove.
4839 (extract_range_from_cond): Remove.
4840 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4841 (simplify_stmt_for_jump_threading): New.
4842 (dom_thread_across_edge): New wrapper.
4843 (tree_ssa_dominator_optimize): No longer initialize or
4844 finalize any of the VRP datastructures. Remove iteration
4845 step and simplify as a result of removal of iteration step.
4846 (pass_dominator): Perform a cfg cleanup after DOM.
4847 (dom_opt_finalize_block): Use the new common routines
4848 for threading jumps. Simplify stack management slightly.
4849 No longer need to unwind VRP state.
4850 (record_equivalences_from_incoming_edge): No longer record
4852 (eliminate_redundant_computations): No longer call
4853 simplify_cond_and_lookup_avail_expr.
4854 * tree-flow.h (potentially_threadable_block): Prototype.
4855 (thread_across_edge): Likewise.
4856 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4857 (tree-ssa-threadedge.o): Add dependencies.
4858 * tree-ssa-threadedge.c: New file.
4859 * passes.c (init_optimization_passes): Merge PHIs before
4860 calling VRP. Run VRP again late in the SSA optimization pipeline.
4862 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4864 * df-core.c (df_set_blocks): Do not dereference function pointers.
4865 (df_finish1): Likewise.
4866 (df_hybrid_search_forward): Likewise.
4867 (df_hybrid_search_backward): Likewise.
4868 (df_iterative_dataflow): Likewise.
4869 (df_analyze_problem): Likewise.
4870 (df_compact_blocks): Likewise.
4871 (df_dump): Likewise.
4872 * df-scan.c (df_rescan_blocks): Likewise.
4873 (df_record_entry_block_defs): Likewise.
4875 * genconditions.c (write_conditions): Guard the definition of
4876 'insn_conditions' with the check on GCC version.
4877 (write_writer): Guard the traversal 'insn_conditions' with
4878 the check on GCC version.
4880 2006-02-07 Richard Guenther <rguenther@suse.de>
4884 2006-01-30 Richard Guenther <rguenther@suse.de>
4886 * gimplify.c (gimplify_target_expr): Handle easy cases
4887 without creating a temporary.
4889 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4891 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4892 use of float in probability computations. Use edge probabilities
4893 in place of statically computed probabilities.
4894 (min_spec_prob): New static variable.
4895 (schedule_insns): Initialize it.
4896 (GET_SRC_PROB): Removed.
4897 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4899 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4902 * config/ia64/unwind-ia64.c: Revert last change.
4903 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4904 (INCOMING_FRAME_SP_OFFSET): Define.
4906 2006-02-06 Roger Sayle <roger@eyesopen.com>
4908 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4910 2006-02-07 Ben Elliston <bje@au.ibm.com>
4912 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4913 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4914 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4915 (ix86_return_in_memory): Handle TDmode.
4916 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4917 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4919 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4921 * reorg.c (dbr_schedule): Use dump_file instead of file.
4923 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4926 * config/ia64/predicates.md (extr_len_operand): New predicate.
4927 * config/ia64/ia64.md (extv): Tighten constraints.
4929 (*tbit_and_2): Ditto.
4930 (*tbit_and_3): Ditto.
4931 (*tbit_or_2): Ditto.
4932 (*tbit_or_3): Ditto.
4936 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4939 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4941 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4943 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4944 loop_optimizer_init and loop_optimizer_finalize
4945 * tree-ssa-sink.c (execute_sink_code): Ditto.
4946 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4947 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4948 tree_ssa_loop_done): Ditto.
4949 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4950 * sched-ebb.c: Include output.h.
4951 (schedule_ebbs): Do not use dump argument.
4952 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4953 * loop.c (loop_dump_stream): Removed.
4954 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4956 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4957 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4958 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4959 loop_iterations, strength_reduce, record_biv, record_giv,
4960 final_giv_value, check_final_value, check_ext_dependent_givs,
4961 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4962 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4963 dump_file instead of loop_dump_stream.
4964 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4966 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4968 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4969 * haifa-sched.c: Include output.h
4970 (schedule_insns, sched_init): Do not use dump argument.
4971 * mode-switching.c (optimize_mode_switching): Ditto.
4972 * modulo-sched.c (stats_file): Removed.
4973 (print_node_sched_params): Do not call argument dump_file.
4974 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4975 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4977 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4979 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4980 rtl_loop_init, rtl_loop_done): Ditto.
4981 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4982 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4984 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4985 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4986 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4987 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4988 * emit-rtl.c (renumber_insns): Ditto.
4989 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4990 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4991 * regclass.c (regclass): Ditto.
4992 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4993 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4994 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4995 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4997 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4998 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5000 * gcse.c (gcse_file, debug_stderr): Removed.
5001 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5002 rest_of_handle_gcse): Do not use dump argument.
5003 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5004 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5005 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5006 compute_code_hoist_vbeinout, compute_code_hoist_data,
5007 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5008 compute_store_table, build_store_vectors, insert_insn_start_bb,
5009 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5010 store_motion): Use dump_file instead of gcse_file.
5011 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5012 * profile.c (profile_dump_file): Removed.
5013 (branch_prob): Use dump_file instead of profile_dump_file.
5014 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5016 * tree-ssa-copy.c (dump_copy_of): Ditto.
5017 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5018 dump file to life_analysis.
5019 * bt-load.c (branch_target_load_optimize): Ditto.
5020 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5022 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5023 regclass, dbr_schedule): Declaration changed.
5024 * sched-int.h (sched_init): Declaration changed.
5025 * tree-profile.c (tree_profile_dump_file): Removed.
5026 (tree_profile_hooks): Removed profile_dump_file hook.
5027 * rtl-profile (rtl_profile_dump_file): Removed.
5028 (rtl_profile_hooks): emoved profile_dump_file hook.
5029 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5031 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5032 * tree-cfg.c (build_tree_cfg): Ditto.
5033 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5034 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5035 Declaration changed.
5036 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5037 life_analysis and schedule_insns.
5038 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5040 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5042 * config/mips/mips.c (mips_reorg): Ditto.
5043 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5046 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5048 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5049 (s390_mangle_fundamental_type): New.
5050 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5053 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5054 (alpha_mangle_fundamental_type): New.
5055 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5058 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5060 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5062 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5063 (sparc_mangle_fundamental_type): New.
5065 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5067 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5068 (s390x-*-linux*): Likewise.
5069 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5070 * config/s390/t-linux: New file.
5072 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5074 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5075 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5077 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5079 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5080 (ANTIC_SAFE_LOADS): New macro.
5081 (find_or_generate_expression): Add prototype.
5082 (set_contains_value): Allow null set for sake of not always having
5083 to allocate ANTIC_SAFE_LOADS.
5084 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5085 Allow COMPONENT_REF too.
5086 (valid_in_set): Allow COMPONENT_REF.
5087 Check ANTIC_SAFE_LOADS too.
5088 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5089 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5091 (can_PRE_operation): Add COMPONENT_REF.
5092 (create_component_ref_by_pieces): New function.
5093 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5094 (insert_aux): Move AGGREGATE_TYPE_P check here.
5095 (compute_avail): Set bb local stmt uids.
5096 (pass_pre): Use TODO_update_ssa_only_virtuals.
5098 2006-02-06 Ben Elliston <bje@au.ibm.com>
5100 * configure.ac: Unconditionally disable decimal float by default.
5101 * configure: Regenerate.
5103 2006-02-06 Ben Elliston <bje@au.ibm.com>
5105 * read-rtl.c (read_name): Terminate reading on EOF.
5107 2006-02-06 Ben Elliston <bje@au.ibm.com>
5109 * dfp.c (decimal_real_arithmetic): Change second argument type
5110 from int to enum tree_code. Do not always return true, but now
5111 return result of any call to decimal_do helper functions.
5112 * dfp.h (decimal_real_arithmetic): Update prototype.
5114 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5116 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5118 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5121 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5124 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5126 * tree-vrp.c (cfg_loops): Removed.
5127 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5128 Use current_loops instead of cfg_loops. Pass flags to
5129 loop_optimizer_init.
5130 * cfgloopmanip.c (fix_loop_structure): Update only available
5132 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5133 loop_optimizer_init.
5134 * modulo-sched.c (build_loops_structure): Removed.
5135 (sms_schedule): Use loop_optimizer_init.
5136 * loop-init.c (loop_optimizer_init): Use flags to determine
5137 which properties of loops to prepare.
5138 (rtl_loop_init): Pass flags to loop_optimizer_init.
5139 * tree-ssa-sink.c (execute_sink_code): Ditto.
5140 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5141 * tree-ssa-pre.c (init_pre): Ditto.
5142 * cfgloop.h (LOOPS_NORMAL): New.
5143 (loop_optimizer_init): Declaration changed.
5145 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5147 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5148 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5150 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5152 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5154 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5155 * pa/t-pa64: Delete quadlib.c rule.
5156 * pa/x-ada: Revert last change.
5157 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5159 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5161 PR rtl-optimization/26087
5162 * rtlanal.c (canonicalize_condition): Do not cross basic block
5165 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5168 * config/ia64/ia64.c: Include debug.h.
5169 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5170 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5171 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5172 (process_epilogue, process_set, process_for_unwind_directive):
5173 Output unwind info only if requested. Add CFA info if requested.
5174 Add new arguments as needed. Adjust callers.
5175 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5177 (DWARF2_FRAME_INFO): Define to zero.
5178 * config/ia64/unwind-ia64.c: Remove code that compensated for
5179 the CFA offset error fixed above.
5180 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5181 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5182 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5183 -funwind-tables and -fexceptions to enable frame info.
5184 (dwarf2out_frame_init): Define initial CFA even if
5185 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5186 DWARF2_UNWIND_INFO is nonzero, not just defined.
5187 (dwarf2out_frame_finish): Output non-EH call frame info only
5188 if DWARF2_FRAME_INFO is nonzero.
5189 (convert_cfa_to_loc_list,
5190 compute_frame_pointer_to_cfa_displacement): Define even if
5191 unwind info is not supported.
5192 (gen_subprogram_die): Use the above unconditionally. Remove
5193 legacy alternate code.
5194 * toplev.c (compile_file): Compile in call to
5195 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5196 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5198 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5199 Jakub Jelinek <jakub@redhat.com>
5201 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5202 IBM extended float format long double as "g" on powerpc*-linux.
5204 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5207 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5208 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5210 2006-02-03 Jason Merrill <jason@redhat.com>
5213 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5216 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5217 on the return slot if it's an NRV.
5219 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5221 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5222 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5223 rewrite_use): Do not handle USE_OUTER.
5224 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5225 add_iv_outer_candidates, may_replace_final_value,
5226 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5227 (find_interesting_uses_op): Functionality of
5228 find_interesting_uses_outer_or_nonlin moved here.
5229 (find_interesting_uses_outside): Use find_interesting_uses_op.
5231 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5234 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5236 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5237 Ulrich Weigand <uweigand@de.ibm.com>
5240 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5241 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5242 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5243 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5245 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5246 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5247 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5248 Define secondary reloads for TFmode moves.
5249 (constant_modes): Add TFmode.
5250 (NR_C_MODES): Set to 8.
5251 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5253 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5254 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5255 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5256 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5257 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5258 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5259 (FPR mode macro): Add TFmode.
5260 (DSF mode macro): New.
5261 (<de>, <dee> mode attributes): Removed.
5262 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5263 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5264 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5265 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5266 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5267 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5268 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5269 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5270 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5271 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5272 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5273 "*negabs<mode>2", "sqrt<mode>2"):
5274 Changed <de> to <xde>. R constraint replaced by <Rf>.
5275 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5277 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5278 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5279 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5281 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5282 "extenddftf2", "extendsftf2"): New expanders.
5283 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5284 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5285 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5286 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5288 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5289 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5290 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5291 __floatditf): Add a GCC_4.1.0 symbol version tag.
5292 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5295 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5298 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5299 Use targetm.binds_local_p instead of TREE_PUBLIC.
5301 2006-02-02 Roger Sayle <roger@eyesopen.com>
5303 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5304 on INTEGER_TYPEs to indicate that it denotes a character type.
5305 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5306 signed_char_type_node, unsigned_char_type_node and char_type_node.
5307 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5308 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5309 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5311 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5312 Daniel Berlin <dberlin@dberlin.org>
5314 * tree-tailcall.c (arg_needs_copy_p): New function.
5315 (eliminate_tail_call): Use arg_needs_copy_p.
5316 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5317 (add_virtual_phis): New function.
5319 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5321 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5322 #ignore instead of #scratch for %g7 .register directive.
5324 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5326 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5329 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5331 * flow.c (calculate_global_regs_live): Assert that there aren't any
5334 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5336 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5338 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5339 bsi_after_labels iterator.
5340 * tree-if-conv.c (find_phi_replacement_condition,
5341 replace_phi_with_cond_modify_expr): Likewise.
5342 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5343 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5345 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5347 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5349 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5352 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5353 array after growing it.
5355 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5358 * fold-const.c (fold_checksum_tree): Change type of buf.
5360 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5362 * reload.c (push_secondary_reload): Initialize t_icode.
5364 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5366 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5367 -msoft-float -mlong-double-128 only issue a warning, but don't
5368 swich to DFmode long double.
5370 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5372 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5373 has a constant equivalent, iterate over equivalents for arg0,
5374 calling simplify_relational_operation and if there's a result
5375 cheaper than X, apply fold_rtx and return the result.
5377 2006-02-01 Jan Hubicka <jh@suse.cz>
5379 * opts.c (no_unit_at_a_time_default): New global variable.
5380 (decode_options): Use it.
5381 * opts.h (no_unit_at_a_time_default): Declare.
5383 2006-02-01 Paul Brook <paul@codesourcery.com>
5385 * function.c (assign_parm_setup_reg): Use function argument promotion
5387 * expr.c (expand_expr_real_1): Use function argument promotion rules
5390 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5392 * gcc.c (process_command): Change j to 'unsigned int'.
5394 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5397 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5398 Use the corrected index for the character
5399 out of the string constant.
5401 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5403 * mode-switching.c (optimize_mode_switching): Fix size
5404 allocated for bb_info[n_entities].
5406 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5408 * gcc.c (main): Correct type that is allocated for
5409 explicit_link_files.
5411 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5413 * config/s390/s390.c (init_alignment_context): Set
5414 ALIAS_SET_MEMORY_BARRIER on the MEM.
5415 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5417 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5420 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5422 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5425 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5427 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5428 * regrename.c: Ditto.
5429 * tree-ssa-loop-im.c: Ditto.
5430 * tree-dump.c: Ditto.
5431 * tree-complex.c: Ditto.
5432 * genrecog.c: Ditto.
5433 * tree-ssa-threadupdate.c: Ditto.
5435 * java/class.c: Ditto.
5436 * java/jcf-parse.c: Ditto.
5437 * java/resource.c: Ditto.
5438 * java/except.c: Ditto.
5439 * java/jvspec.c: Ditto.
5440 * java/jcf-write.c: Ditto.
5441 * java/jcf-path.c: Ditto.
5442 * java/gjavah.c: Ditto.
5443 * java/zextract.c: Ditto.
5444 * java/jcf-io.c: Ditto.
5445 * java/jcf.h: Ditto.
5446 * java/buffer.c: Ditto.
5447 * java/lang.c: Ditto.
5448 * java/parse-scan.y: Ditto.
5449 * java/lex.c: Ditto.
5450 * java/lex.h: Ditto.
5451 * cfgloopmanip.c: Ditto.
5452 * postreload-gcse.c: Ditto.
5453 * tree-ssa-loop-manip.c: Ditto.
5454 * postreload.c: Ditto.
5455 * tree-ssa-loop-ch.c: Ditto.
5459 * diagnostic.c: Ditto.
5461 * genoutput.c: Ditto.
5463 * cfghooks.c: Ditto.
5464 * cfgloopanal.c: Ditto.
5465 * objc/objc-act.c: Ditto.
5467 * genextract.c: Ditto.
5468 * genautomata.c: Ditto.
5469 * pretty-print.c: Ditto.
5471 * cgraphunit.c: Ditto.
5474 * haifa-sched.c: Ditto.
5475 * dominance.c: Ditto.
5477 * tree-ssa-loop-ivopts.c: Ditto.
5479 * mode-switching.c: Ditto.
5480 * modulo-sched.c: Ditto.
5482 * ipa-pure-const.c: Ditto.
5484 * fix-header.c: Ditto.
5486 * tree-stdarg.c: Ditto.
5487 * ipa-utils.c: Ditto.
5488 * loop-init.c: Ditto.
5489 * ipa-inline.c: Ditto.
5492 * alloc-pool.c: Ditto.
5493 * dwarf2out.c: Ditto.
5495 * genattrtab.c: Ditto.
5496 * tree-ssa-loop-ivcanon.c: Ditto.
5500 * fortran/gfortranspec.c: Ditto.
5502 * local-alloc.c: Ditto.
5503 * langhooks.c: Ditto.
5504 * function.c: Ditto.
5505 * tree-vectorizer.c: Ditto.
5507 * ipa-type-escape.c: Ditto.
5509 * tree-if-conv.c: Ditto.
5512 * tree-data-ref.c: Ditto.
5513 * loop-unroll.c: Ditto.
5514 * treelang/treetree.c: Ditto.
5517 * ggc-common.c: Ditto.
5519 * coverage.c: Ditto.
5521 * tree-cfgcleanup.c: Ditto.
5522 * tree-ssa-pre.c: Ditto.
5523 * cfgcleanup.c: Ditto.
5524 * loop-invariant.c: Ditto.
5526 * ipa-prop.c: Ditto.
5527 * print-tree.c: Ditto.
5528 * conflict.c: Ditto.
5529 * ggc-page.c: Ditto.
5530 * sched-deps.c: Ditto.
5531 * regclass.c: Ditto.
5532 * tree-object-size.c: Ditto.
5534 * bb-reorder.c: Ditto.
5535 * resource.c: Ditto.
5536 * var-tracking.c: Ditto.
5538 * df-problems.c: Ditto.
5539 * reg-stack.c: Ditto.
5542 * sched-rgn.c: Ditto.
5543 * tree-ssa-structalias.c: Ditto.
5544 * tree-ssa-reassoc.c: Ditto.
5545 * config/darwin-c.c: Ditto.
5546 * config/darwin.c: Ditto.
5547 * config/arm/arm.c: Ditto.
5549 * collect2.c: Ditto.
5552 2006-01-31 Nicolas Pitre <nico@cam.org>
5554 * arm.md (smaxsi3): Make aware of smax_m1.
5557 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5559 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5561 2006-01-31 Richard Guenther <rguenther@suse.de>
5563 * doc/invoke.texi (-msselibm): Document.
5564 * target.h (expand_library_builtin): New target hook.
5565 * builtins.c (expand_builtin): Use expand_library_builtin.
5566 (default_expand_library_builtin): New function.
5567 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5568 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5569 (link_gcc_math_spec): Declare.
5570 (static_specs): Add link_gcc_math_spec.
5571 * expr.h (default_expand_library_builtin): Declare.
5572 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5573 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5574 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5575 * config/i386/i386.opt (msselibm): New target option.
5576 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5577 (ix86_init_sse_abi_builtins): New function.
5578 (ix86_expand_library_builtin): Likewise.
5579 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5580 (override_options): Handle error conditions wrt -msselibm.
5581 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5582 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5583 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5586 2006-01-31 Richard Guenther <rguenther@suse.de>
5587 Paolo Bonzini <bonzini@gnu.org>
5589 * doc/install.texi (--disable-libgcc-math): Document.
5591 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5593 * expr.h (expand_normal): new inline function.
5594 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5596 * dwarf2out.c: use it.
5601 * config/sparc/sparc.c: use it.
5602 * config/i386/i386.c: use it.
5603 * config/rs6000/rs6000.c: use it.
5604 * config/arm/arm.c: use it.
5605 * config/mips/mips.c: use it.
5606 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5608 2006-01-30 Roger Sayle <roger@eyesopen.com>
5610 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5611 argv to the appropriate type.
5613 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5615 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5618 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5621 * config/s390/s390.c (struct machine_function): New flag
5622 decomposed_literal_pool_addresses_ok_p.
5623 (s390_reorg): Set it before final stage of literal pool transforms.
5624 (s390_decompose_address): Only accept displacements of the form
5625 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5627 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5629 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5630 the comparison routine return.
5632 2006-01-30 Michael Matz <matz@suse.de>
5634 * global.c (find_reg): Only evict for global regs.
5635 Take n_refs into account and dump more info.
5637 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5640 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5641 (pragma_trap, pragma_nosave_low_regs): Likewise.
5642 (current_function_anonymous_args): Likewise.
5643 (sh_deferred_function_attributes): New variable.
5644 (sh_deferred_function_attributes_tail): Likewise.
5645 (print_operand): For '@', look up trap_exit attribute.
5646 (calc_live_regs): Look up trapa_handler attribute. For trapa
5647 handlers, save/restore fpscr, but don't do any other
5648 interrupt-specific saves.
5649 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5650 Fix check for partially saved registers to check for SHmedia.
5651 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5652 (sh_output_function_epilogue): Don't clear any of the removed
5654 (sh_insert_attributes): Don't check pragma_interrupt.
5655 Insert deferred attributes. Check that interrupt attribute is
5656 present for other attributes that require its presence.
5657 (sh_attribute_table): Add new attributes trapa_handler and
5659 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5660 Don't check for pragma_interrupt. Don't store argument.
5661 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5662 (sh_deferred_function_attributes): Declare.
5663 (sh_deferred_function_attributes_tail): Likewise.
5664 * sh.md (sp_switch_1): Add operand. Change generator caller.
5665 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5666 (*return_i): Don't use when trap_exit attribute is in effect.
5667 (*return_trapa): New insn pattern.
5669 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5670 setting c_target_objs and cxx_target_objs.
5671 * t-sh: Add rule for sh-c.o.
5673 2006-01-30 Richard Guenther <rguenther@suse.de>
5676 * gimplify.c (gimplify_target_expr): Handle easy cases
5677 without creating a temporary.
5679 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5681 * vec.h (safe_grow): Remove duplicated line.
5683 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5686 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5687 (expand_omp): ... here.
5688 (expand_omp_parallel): Only remove barriers for combined
5689 parallel+workshare constructs.
5691 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5695 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5696 * tree.c (build_qualified_type): Chain the new type to the original
5697 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5698 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5699 (build_pointer_type_for_mode): Only return unqualified types.
5700 (build_reference_type_for_mode): Likewise.
5702 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5704 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5705 * Makefile.in (CXX_COMPAT_WARN): Define.
5706 * configure: Regenerate.
5708 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5711 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5714 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5716 * toplev.c: Fix thinko.
5718 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5719 Marcin Dalecki <martin@dalecki.de>
5721 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5722 (push_srcloc): Use XNEW.
5723 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5725 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5727 * df-core.c (df_set_blocks): Deleted all variable.
5729 2006-01-28 Ian Lance Taylor <ian@airs.com>
5731 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5732 cgraph_output_pending_asms.
5734 2006-01-28 Zack Weinberg <zackw@panix.com>
5736 * c.opt: Add -W(no-)overlength-strings.
5737 * doc/invoke.texi: Document it.
5738 * c-opts.c (c_common_handle_option): -pedantic implies
5739 -Woverlength-strings, if not explicitly disabled already.
5740 (c_common_post_options): -Woverlength-strings defaults to off, and
5741 is always off for C++.
5742 * c-common.c (fix_string_type): Issue warning about strings longer
5743 than is portable only if warn_overlength_strings. Rearrange code
5744 a little for clarity.
5745 * configure.in: Check for -Wno-overlength-strings as well before
5746 enabling -pedantic in stage 1.
5747 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5748 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5750 * genconditions.c (write_header, write_one_condition)
5751 (write_conditions, write_writer): Consolidate very long strings
5752 that were broken up to fit in C89 portable limit. Don't use
5753 printf when fputs will do.
5755 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5757 * combine.c (simplify_comparison <AND>): Check
5758 TRULY_NOOP_TRUNCATION before start using a subreg.
5760 * config/mips/mips.md (*branch_zero<mode>,
5761 *branch_zero<mode>_inverted, *branch_equality<mode>,
5762 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5763 Remove mode check from comparisons.
5765 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5767 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5769 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5771 * expmed.c (const_mult_add_overflow_p): Remove.
5772 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5774 * recog.c (validate_replace_rtx_subexp): Remove.
5775 * recog.h: Remove the prototype for
5776 validate_replace_rtx_subexp.
5778 * integrate.h: Remove the prototype for
5779 copy_decl_for_inlining.
5780 * rtl.h: Remove the prototype for mark_constant_function.
5781 * tree-vectorizer.h: Remove the prototype for
5782 vect_strip_conversion.
5784 * modulo-sched.c (create_partial_schedule,
5785 free_partial_schedule, reset_partial_schedule): Make them
5788 * hooks.c (hook_bool_rtx_int_false): Remove.
5789 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5791 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5793 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5794 and -mlong-double-128 are incompatible.
5795 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5796 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5797 (TARGET_LIBGCC2_CFLAGS): Define.
5798 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5799 (TARGET_LIBGCC2_CFLAGS): Same.
5800 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5802 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5805 * c-typeck.c (build_binary_op): Perform implicit casts of
5806 operands before shortening them.
5808 * cfgloopmanip.c (split_loop_bb): Remove.
5809 * cfgloop.h: Remove the prototype for split_loop_bb.
5811 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5812 * cfgloop.h: Remove the prototype for
5813 flow_loop_outside_edge_p.
5815 * emit-rtl.c (init_virtual_regs): Make it static.
5816 * function.h: Remove the prototype for init_virtual_regs.
5818 * recog.c (peephole2_optimize): Make it static.
5819 * recog.h: Remove the prototype for peephole2_optimize.
5821 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5823 * df-scan.c (df_record_entry_block_defs): Check if
5824 INCOMING_RETURN_ADDR_RTX is defined.
5826 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5827 Kenneth Zadeck <zadeck@naturalbridge.com>
5829 PR rtl-optimization/24762
5830 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5831 * targhooks.c (hook_void_bitmap): New hook prototype.
5832 * targhoohs.h (hook_void_bitmap): Ditto.
5833 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5834 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5835 * target.h (live_on_entry): New function pointer.
5836 * df-scan.c (df_all_hard_regs): Removed.
5837 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5838 (df_scan_free_internal): Added df->entry_block_defs.
5839 (df_scan_alloc): Ditto.
5840 (df_scan_dump): Ditto.
5841 (df_uses_record): Plumbed flag field properly thru calls.
5842 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5843 This part fixes PR24762.
5844 (df_bb_refs_record): Added code to make the frame and arg
5845 pointers live in EH blocks.
5846 (df_refs_record): Added call to df_record_entry_block_defs.
5847 (df_record_entry_block_defs): New function.
5848 * df-core.c: Added comments to describe new artifical defs.
5849 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5850 (entry_block_defs): New field in struct df.
5851 (df_all_hard_regs): Deleted.
5852 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5853 * df-problems.c (df_ru_bb_local_compute_process_def):
5854 Added code to handle artifical defs in the entry to a function.
5855 (df_ru_bb_local_compute): Ditto.
5856 (df_rd_bb_local_compute_process_def): Ditto.
5857 (df_rd_bb_local_compute): Ditto.
5858 (df_lr_bb_local_compute): Ditto.
5859 (df_ur_bb_local_compute): Ditto.
5860 (df_urec_bb_local_compute): Ditto.
5861 (df_chain_create_bb): Ditto.
5862 (df_ur_local_finalize): Removed entry.
5863 (df_urec_init): Ditto.
5864 (df_urec_local_finalize): Ditto.
5865 (df_ri_bb_compute): Added detection of last use of pseudos.
5866 * Makefile.in (df-scan.o): Updated dependencies.
5867 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5868 * config/mips/mips.c (mips_set_live_on_entry): Added.
5869 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5871 * dce.c (marked_insn_p): Added code to handle artifical defs.
5873 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5875 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5877 (_mm_cvtsi128_si64): Likewise.
5878 (_mm_cvtsd_si64): Likewise.
5879 (_mm_cvttsd_si64): Likewise.
5880 (_mm_cvtsi64_sd): Likewise.
5881 (_mm_cvtsi64_si128): Likewise.
5882 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5883 (_mm_cvtsi64_m64): Likewise.
5884 (_m_to_int64): Likewise.
5885 (_mm_cvtm64_si64): Likewise.
5886 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5887 (_mm_cvttss_si64): Likewise.
5888 (_mm_cvtsi64_ss): Likewise.
5889 (_mm_cvtss_f32): Likewise.
5891 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5893 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5894 for pragma redefine_extname.
5896 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5899 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5900 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5901 -mno-minimal-toc to previous content.
5902 (bispecs): Remove goal.
5903 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5904 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5905 compatibility aliases on powerpc-*-*gnu*.
5906 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5907 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5908 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5909 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5910 (ldblspecs): New goal.
5911 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5912 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5914 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5915 L_sf_to_tf or L_df_to_tf is defined.
5917 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5918 Alan Modra <amodra@bigpond.net.au>
5921 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5922 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5923 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5924 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5925 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5926 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5927 (rs6000_override_options): Initialize rs6000_ieeequad.
5928 Initialize TFmode format to ibm_extended_format if not
5930 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5932 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5933 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5934 (function_arg_advance): IBM long double passed in two FPRs, not
5936 (function_arg): IBM long double passed in FPRs.
5937 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5938 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5939 Only multireg GPR aligned.
5940 (rs6000_init_libfuncs): Enable IBM long double functions if not
5942 (rs6000_generate_compare): Use IBM long double compare if not
5944 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5945 (TARGET_IEEEQUAD): Define.
5946 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5947 not TARGET_IEEEQUAD.
5948 * config/rs6000/rs6000.md: Enable TFmode patterns if
5950 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5951 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5952 and -mlong-double-128 are incompatible.
5953 * doc/invoke.texi (-mabi): Collect options together. Add
5954 ibmlongdouble and ieeelongdouble.
5956 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5958 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5960 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5961 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5962 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5963 * rtl.h (rtunion_def): Remove rt_ptr.
5965 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5966 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5967 * config/i386/winnt.c (i386_pe_mark_dllexport)
5968 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5970 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5972 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5974 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5978 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5979 pthread_key_delete. From John David Anglin. gthrw-ify
5980 pthread_getunique_np only if it it's not a macro. Delete
5982 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5983 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5984 __gthread_objc_condition_signal, __gthread_key_delete): Add
5985 "__attribute__ ((__unused__))" to unused arguments.
5986 (__gthread_recursive_mutex_init_function): Add missing return.
5987 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5988 gthr-posix95.h: Use macro-based approach for name redirection
5989 on targets missing weakref.
5991 2006-01-26 Zack Weinberg <zackw@panix.com>
5993 * genconditions.c (write_header): In generated code, #ifdef out
5994 all includes and fake declarations, except includes of bconfig.h
5995 and system.h, unless GCC_VERSION >= 3001. Do not include
5996 gensupport.h in any case.
5997 (write_conditions): Generate a definition of struct c_test. Add
5998 a comment to the generated #endif.
5999 (write_one_condition): Escape backslashes in string too.
6000 (write_writer): Generated code must escape backslashes and quote
6001 marks (but not newlines) in the strings it writes.
6002 * Makefile.in (build/gencondmd.o): Update dependencies.
6004 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6007 * Makefile.in (insn-automata.o): Add header file dependencies.
6008 * genautomata.c: Add includes.
6010 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6013 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6015 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6017 * configure.ac: Expect target tools paths to be passed from the toplevel
6018 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6020 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6022 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6025 * c.opt (Wpointer-sign): Init to -1.
6026 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6027 OPT_pedantic, to 0 otherwise.
6028 * doc/invoke.texi: Update.
6030 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6032 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6033 constants provided by 80387 instructions in the destination mode.
6035 2006-01-26 Richard Guenther <rguenther@suse.de>
6036 Andrew Pinski <pinskia@physics.uc.edu>
6039 partial PR tree-opt/17064
6040 * tree-ssa-structalias.c (intra_create_variable_infos):
6041 Create heap variables for incoming parameters if
6042 flag_argument_noalias > 1.
6043 (find_what_p_points_to): Look through default defs of
6046 2006-01-26 Jeff Law <law@redhat.com>
6049 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6050 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6051 within the VR_RANGE, use the VR_RANGE as the result, not the
6053 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6054 bounds for the type.
6056 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6058 * tree-ssa-alias.c (maybe_create_global_var): Change
6059 subvar walking to an assertion that we don't have subvar'd variables.
6061 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6064 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6065 Use a new variable, inner. PARM_DECLs are always non-weak.
6067 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6069 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6072 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6074 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6076 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6078 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6079 (smax_insn, smin_insn, smax_0, smin_0): New.
6081 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6084 * config/cris/cris.c (cris_order_for_addsi3): New function.
6085 * config/cris/cris-protos.h: Prototype it.
6086 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6087 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6088 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6089 (split for "op.S1 [rx=rx+i],ry (swapped)")
6090 (split for "op(s|u).S1 [rx=rx+i],ry")
6091 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6092 Apply cris_order_for_addsi3 when generating addsi3 insns.
6094 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6096 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6097 (TREE_BLOCK): Add call to EXPR_CHECK.
6099 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6102 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6103 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6104 (dump_omp_clauses): ... here.
6105 (dump_generic_node): Handle OMP_CLAUSE.
6106 * tree.c (omp_clause_num_ops): New.
6107 (omp_clause_code_name): New.
6108 (tree_code_size): Handle OMP_CLAUSE.
6109 (tree_size): Likewise.
6110 (make_node): Document handling of OMP_CLAUSE.
6111 (tree_node_structure): Handle OMP_CLAUSE.
6112 (omp_clause_check_failed): New.
6113 (omp_clause_range_check_failed): New.
6114 (omp_clause_operand_check_failed): New.
6115 (build_omp_clause): New.
6116 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6117 * tree.h (enum omp_clause_code): Declare.
6118 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6119 (OMP_CLAUSE_RANGE_CHECK): Define.
6120 (OMP_CLAUSE_ELT_CHECK): Define.
6121 (omp_clause_check_failed): Declare.
6122 (omp_clause_operand_check_failed): Declare.
6123 (omp_clause_range_check_failed): Declare.
6124 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6125 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6126 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6127 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6128 (OMP_CLAUSE_IF_EXPR): Likewise.
6129 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6130 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6131 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6132 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6133 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6134 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6135 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6136 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6137 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6138 (OMP_CLAUSE_CODE): Define.
6139 (OMP_CLAUSE_SET_CODE): Define.
6140 (OMP_CLAUSE_CODE): Define.
6141 (OMP_CLAUSE_OPERAND): Define.
6142 (struct tree_omp_clause): Declare.
6143 (union tree_node): Add field 'omp_clause'.
6144 * treestruct.def (TS_OMP_CLAUSE): Define.
6145 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6146 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6147 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6148 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6149 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6150 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6151 (OMP_CLAUSE): Define.
6152 * print-tree.c (print_node): Handle OMP_CLAUSE.
6153 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6154 * c-typeck.c: Likewise.
6155 * gimplify.c: Likewise.
6156 * c-omp.c: Likewise.
6157 * tree-nested.c: Likewise.
6158 * tree-inline.c: Likewise.
6159 * c-parser.c: Likewise.
6160 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6163 2006-01-25 Roger Sayle <roger@eyesopen.com>
6165 PR rtl-optimization/25703
6166 * combine.c (try_combine): Handle zero_extract and strict_low_part
6167 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6169 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6171 * global.c: Fix comment typos.
6173 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6176 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6177 Use output_addr_const instead of assemble_name.
6179 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6181 * Makefile.in (sched-vis.o): Update dependencies.
6182 * haifa-sched.c (sched_finish): Clear current_sched_info.
6183 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6184 (dump_flow_info): Call it.
6185 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6187 * basic-block.h (dump_bb_info): Declare.
6188 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6189 option, and apply options only for dump files whose TDF_RTL,
6190 TDF_TREE, or TDF_IPA bits match.
6191 * rtl.h: Declare new functions exported from sched-vis.c.
6192 * sched-vis.c: Enable also if scheduling is not used.
6193 (print_value): Print the mode of registers if not inside scheduling.
6194 (print_insn): Make it work outside the scheduler. Beautify the output
6196 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6198 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6200 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6201 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6202 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6203 depending on the value of CONSTANT_POOL_ADDRESS_P.
6204 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6206 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6207 rather than SYMBOL_REF_DECL.
6208 (rtx_constant_pool): Remove const_rtx_sym_htab.
6209 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6210 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6211 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6212 Remove handling of const_rtx_sym_htab.
6213 (find_pool_constant): Delete.
6214 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6215 rather than find_pool_constant.
6216 (get_pool_constant_for_function): Delete.
6217 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6219 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6220 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6221 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6222 (SYMBOL_REF_CONSTANT): New macro.
6223 (get_pool_constant_for_function): Delete.
6224 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6225 rather than SYMBOL_REF_DECL.
6226 (i386_pe_mark_dllimport): Likewise.
6227 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6228 rather than SYMBOL_REF_DECL.
6229 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6230 (machopic_indirect_call_target): Likewise.
6232 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6234 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6236 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6238 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6240 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6242 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6244 2006-01-24 David Daney <ddaney@avtrex.com>
6247 * configure.ac (enable_tls): New enable option.
6248 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6249 * configure: Regenerate.
6250 * doc/install.texi (--enable-tls): Document new option.
6251 (--disable-tls): Ditto.
6253 2006-01-24 Richard Henderson <rth@redehat.com>
6255 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6256 * alias.c (true_dependence): Respect it.
6257 (canon_true_dependence, write_dependence_p): Likewise.
6258 * builtins.c (get_builtin_sync_mem): Set it.
6260 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6262 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6265 2006-01-24 DJ Delorie <dj@redhat.com>
6267 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6268 for storing constants in single-bit bitfields.
6270 2006-01-25 Ben Elliston <bje@au.ibm.com>
6272 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6274 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6277 * tree-ssa-pre.c (phi_translate): Return NULL
6278 for AGGREGATE_TYPE's.
6280 2006-01-24 Zack Weinberg <zackw@panix.com>
6282 * genautomata.c (process_state_for_insn_equiv_partition):
6283 Use xcalloc for insn_arcs_array.
6284 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6285 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6287 2006-01-24 Richard Henderson <rth@redhat.com>
6289 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6292 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6294 PR rtl-optimization/25890
6295 PR rtl-optimization/25905
6296 * combine.c (expand_compound_operation, expand_field_assignment):
6297 Fail if the bitfield's final position is out of bounds.
6299 2006-01-24 Ian Lance Taylor <ian@airs.com>
6302 * cgraphunit.c (cgraph_output_in_order): Don't clear
6303 cgraph_asm_nodes until after asm strings have been output.
6305 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6307 * fix-header.c (read_scan_file): Add new parameter imultilib when
6308 calling register_include_chains.
6310 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6312 * omp-low.c: Update documentation.
6314 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6315 Daniel Berlin <dberlin@dberlin.org>
6319 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6320 return from the function.
6322 2006-01-22 Zack Weinberg <zackw@panix.com>
6324 * rtl.def (match_code): Add second argument.
6325 * genpreds.c (write_extract_subexp): New function.
6326 (write_match_code): Add path argument. Use write_extract_subexp.
6327 (write_predicate_expr): Pass path to write_match_code.
6328 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6329 not perform a mode test.
6330 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6331 a subexpression does not constrain the top-level code set.
6332 * read-rtl.c (read_rtx_variadic): New function.
6333 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6334 * doc/md.texi: Document new notation.
6335 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6336 (cmpsi_operand): ... here, using new notation.
6338 2006-01-22 Zack Weinberg <zackw@panix.com>
6340 * varray.c: Remove GENERATOR_FILE #ifdefs.
6342 2006-01-22 Zack Weinberg <zackw@panix.com>
6344 * genautomata.c (output_reserved_units_table): Emit nothing if
6345 description->query_units_num is zero. Remove extra blank line.
6346 (output_cpu_unit_reservation_p): Short circuit
6347 if description->query_units_num is zero.
6349 2006-01-22 Zack Weinberg <zackw@panix.com>
6351 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6352 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6353 nor any of the random handful of variables that used to be necessary
6354 when this program was linked with rtlanal.o. Prune set of forward
6355 function declarations.
6356 (struct attr_desc): Remove static_p field.
6357 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6358 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6359 (attr_string): Do not read the character one past the length of
6361 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6362 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6363 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6364 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6365 (make_automaton_attrs): New.
6366 (main): Do not call into genautomata. Call local gen_bypass
6367 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6368 Remove special case for insn_alts.
6369 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6370 varray.h (leftover from previous change). Prune set of forward
6371 function declarations. Remove state_alts fields from all
6372 structures. Remove state_alts_table from struct automaton.
6373 Make everything except main static. Do not maintain num_dfa_decls.
6374 Do not maintain state_alts fields of various structures.
6375 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6376 (add_arc): Remove state_alts argument. All callers updated.
6377 (output_reserved_units_table): Emit #ifdef here...
6378 (output_tables): ...not here. Don't generate state_alts tables.
6379 (expand_automata): Don't generate attributes.
6380 (write_automata): Don't generate state_alts functions.
6381 (main): New function.
6382 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6383 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6384 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6385 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6386 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6387 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6388 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6389 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6391 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6392 * genattrtab.h: Delete file.
6393 * Makefile.in (OBJS-common): Add insn-automata.o.
6394 (insn-automata.o): New rule.
6395 (simple_generated_c): Add insn-automata.c.
6396 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6397 (genprogmd): Add automata.
6398 (build/genattrtab): Needs no extra objects nor libraries.
6399 (build/genautomata): Needs build/vec.o and -lm.
6401 2006-01-22 Zack Weinberg <zackw@panix.com>
6403 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6404 (output_dfa_max_issue_rate, locked_states_num): Delete.
6405 (struct automaton): Add locked_states field.
6406 (output_dead_lock_vect): Save number of locked states in
6407 automaton->locked_states. If it is zero, don't print anything.
6408 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6409 (output_internal_dead_lock_func): Only test the dead_lock_vect
6410 for automata that have locked states.
6411 (output_statistics): Always print the number of locked states for
6412 each automaton. Calculate total number of locked states here.
6413 (write_automata): Don't call output_dfa_max_issue_rate.
6414 * genattrtab.c: Define length_unit_log as a const variable.
6415 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6416 max_insn_queue_index const.
6417 * final.c (length_unit_log): Declare const.
6418 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6420 2006-01-22 Zack Weinberg <zackw@panix.com>
6422 * genautomata.c: Include vec.h, not varray.h.
6423 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6424 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6425 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6426 VEC_* macros operating on appropriately typed vectors, or to
6427 malloced arrays when the size is known in advance. Const-ify
6428 many char* variables and function arguments. No functional changes.
6429 * Makefile.in (build/varray.o): Delete rule.
6430 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6431 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6433 2006-01-22 Zack Weinberg <zackw@panix.com>
6435 * gensupport.c: Define get_insn_name and record_insn_name here.
6436 (read_md_rtx): Call record_insn_name as appropriate.
6437 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6438 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6439 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6441 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6442 (BUILD_VARRAY): Delete.
6443 (genprognormal): Rename genprogmd. Fold in all programs from
6444 genprognoprint; also attrtab.
6445 (build/genattrtab): Just mention genautomata.o and varray.o.
6446 Reorganize a bit, add comments to make the categories clearer.
6448 2006-01-22 Zack Weinberg <zackw@panix.com>
6450 * genconditions.c (condition_table, add_condition): Delete.
6451 (write_conditions): Don't emit n_insn_conditions nor
6452 insn_elision_unavailable. Issue the gcc version #ifdef here,
6453 inside the table, with no #else clause ...
6454 (write_header): ...not here.
6455 (write_writer): New function.
6456 (main): Don't initialize condition_table. Use add_c_test.
6458 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6459 files on the command line.
6460 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6461 Return -1 if there is no entry in the table, don't abort.
6462 (add_c_test, traverse_c_tests): New functions.
6463 * gensupport.h (insn_elision_unavailable, insn_conditions)
6464 (n_insn_conditions): Delete declarations.
6465 (add_c_test, traverse_c_tests): Declare.
6466 * read-rtl.c: Include gensupport.h.
6467 (read_conditions): New function.
6468 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6469 (read_rtx_1): If we get EOF when we were looking for an initial
6470 open paren, return 0. Call read_conditions when appropriate.
6471 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6472 dummy-conditions.o. Eliminate references to insn-conditions.o,
6473 or change them to build/gencondmd.o, as appropriate. Remove
6474 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6475 from $(simple_generated_c). For all files remaining in those
6476 two lists, add insn-conditions.md to the generator command line.
6477 Give insn-constants.h/s-constants their own rules. Add rules
6478 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6479 (build/read-rtl.o): Depend on gensupport.h.
6480 (genprognormal): Include preds.
6481 (genprogearly): Rename genprognoprint; only difference is now that
6482 they don't link with $(BUILD_PRINT).
6483 * dummy-conditions.c: Delete.
6485 2006-01-22 Zack Weinberg <zackw@panix.com>
6487 * genextract.c: Don't include insn-config.h. Do include vec.h.
6488 Declare vectors of int, char, and locstr.
6489 (locstr): New typedef.
6490 (struct extraction): Make all array fields into bare pointers.
6491 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6492 (insn_code_number): Delete.
6493 (accum_extract): New struct.
6494 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6495 (gen_insn): Take insn_code_number as an argument. Use an
6496 accum_extract structure instead of loading data directly into
6497 a struct extraction, and having to know how big it might get.
6498 (walk_rtx): Operate entirely on an accum_extract structure.
6499 (print_path): Avoid unnecessary use of printf.
6500 (print_header): New function, split out of main. Distinguish
6501 more carefully between an unrecognizable insn and an insn that
6502 has the code number of a define_expand.
6503 (main): Pass insn_code_number to gen_insn. Call print_header
6504 only after parsing. Avoid unnecessary use of printf.
6505 * Makefile.in (build/vec.o): New rule.
6506 (build/genextract): Depend on build/vec.o.
6507 (build/genextract.o): Don't depend on insn-config.h.
6509 2006-01-22 Zack Weinberg <zackw@panix.com>
6511 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6512 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6513 practical. Eliminate per-generator-program link rules.
6515 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6518 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6519 with a call expr to ...
6520 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6522 2006-01-23 Richard Guenther <rguenther@suse.de>
6524 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6525 before make_edge with conditional EDGE_TRUE_VALUE.
6527 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6528 Jan Hubicka <jh@suse.cz>
6529 Richard Guenther <rguenther@suse.de>
6531 PR rtl-optimization/25654
6532 * cfgexpand.c (aggregate_contains_union_type): New function.
6533 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6534 for structure variables that contain a union type.
6536 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6538 * gengtype.c (new_structure): Return the structure.
6539 (create_option): Add an extra "next" argument.
6540 (create_field): New function.
6541 (adjust_field_rtx_def): Use create_option and create_field.
6542 Remove a now-unnecessary call to find_structure.
6543 (adjust_field_tree_def): Likewise.
6544 (note_yacc_type): Remove an unnecessary call to find_structure.
6545 * gengtype.h (new_structure): Return the structure.
6546 (create_option): Add an extra argument.
6547 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6548 (option): Adjust calls to create_option.
6550 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6552 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6554 2006-01-22 Paul Brook <paul@codesourcery.com>
6555 Peter Barada <peter@the-baradas.com>
6557 * config/m68k/m68k.md: Add Coldfire FPU support.
6558 Define FP mode macro and associated attributes.
6559 Use it for float mode patterns.
6560 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6561 (LIBCALL_VALUE): Use m68k_libcall_value.
6562 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6563 (m68k_function_value): Ditto.
6564 (emit_move_sequence): Ditto.
6565 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6566 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6567 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6568 (MULTILIB_EXCEPTIONS): Ditto.
6569 * config/m68k/m68k.opt: Add mcfv4e.
6570 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6571 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6572 (m68k_output_function_prologue): Save ColdFire FPU registers.
6573 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6574 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6575 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6576 ColdFire FPU registers.
6577 (m68k_libcall_value, m68k_function_value): New functions.
6578 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6579 (LIBCALL_VALUE): Use m68k_libcall_value.
6580 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6581 (MASK_COLDFIRE): Add MASK_CFV4E.
6582 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6583 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6584 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6585 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6586 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6587 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6588 * doc/invoke.tex: Document -mcfv4e on m68k.
6590 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6592 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6595 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6598 * c-opts.c (c_common_handle_option): Don't include
6599 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6600 * doc/invoke.texi (C++ Dialect Options): Document that
6601 -Wnon-virtual-dtor is no longer included in -Wall.
6603 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6605 * gcov.c (print_version), gcov-dump.c (print_version),
6606 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6609 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6611 * df-scan.c (problem_SCAN): Added NULL reset function.
6612 (df_scan_reset_blocks): Added code to call reset block function
6613 (df_bb_refs_delete) Fixed comment.
6614 (df_insn_refs_delete): Made tolerant of deleting non existent info
6615 for dataflow problems that need to be reset.
6616 * df-core.c (df_set_blocks): Ditto.
6617 * df.h (struct df_problem): Added reset_fun.
6618 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6619 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6620 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6621 functions to clear out all references to def-use or use-def chains.
6623 2006-01-21 Ben Elliston <bje@au.ibm.com>
6625 * varasm.c (assemble_real): Initialise data array.
6627 2006-01-20 Paul Brook <paul@codesourcery.com>
6629 Merge from csl-arm-branch.
6630 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6631 * config/arm/arm.md (movdi): Force operands[1] to a register
6632 if we have a non-register source.
6633 (*arm_movdi, *movdf_soft_insn): Require that one of the
6634 operands be a register.
6635 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6636 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6638 2006-01-20 DJ Delorie <dj@redhat.com>
6640 * varasm.c (initialize_constant_valid_p): Allow pointers
6641 initialized from integer constants of lesser precision.
6642 (output_constant): Allow non-int-sized pointer modes to be
6643 initialized from integer constants.
6645 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6648 * cppdefault.h (struct default_include): Add multilib flag.
6649 * cppdefault.c (cpp_include_defaults): Set it.
6650 * c.opt (-imultilib): New option.
6651 * c-opts.c (imultilib): New.
6652 (c_common_handle_option): Handle -imultilib.
6653 (c_common_post_options): Likewise.
6654 * c-incpath.c (add_standard_paths, register_include_chains):
6656 * c-incpath.h (register_include_chains): Add extra parameter.
6657 * gcc.c (do_spec_1): Generate -imultilib option.
6658 (The Specs Language): Update %I description.
6659 (process_command): Update copyright notice.
6660 * doc/cppopts.texi (-imultilib): Document.
6661 * doc/invoke.texi (-imultilib): Include in option summary.
6662 (%I): Update specs documentation.
6664 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6666 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6668 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6670 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6673 2006-01-20 Richard Guenther <rguenther@suse.de>
6674 Steven Bosscher <stevenb.gcc@gmail.com>
6676 PR rtl-optimization/24626
6677 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6678 EDGE_TRUE_VALUE if in RTL mode.
6681 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6682 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6684 2006-01-20 Dirk Mueller <dmueller@suse.com>
6687 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6688 instead of a special NOP marker.
6689 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6690 NOP marker handling.
6691 * c-common.h (empty_body_warning): Add forward declaration.
6692 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6693 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6695 2006-01-20 Paul Brook <paul@codesourcery.com>
6697 * Makefile.in (lang_checks): Keep going if mkdir fails.
6699 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6701 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6702 be able to clean out basic block when not necessary.
6703 (df_scan_free): Fixed to properly delete information if df is
6704 unused before calling df_finish.
6705 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6706 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6708 (df_bb_refs_delete): New function.
6709 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6710 * df-core.c (df_set_blocks): Added code to properly clean out
6711 unused blocks if they are not part of the blocks to consider.
6712 Added additional null check.
6713 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6714 be able to clean out basic block when not necessary
6715 * df.h (df_free_bb_function): Ditto.
6716 (df_bb_refs_delete): New function.
6717 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6718 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6719 basic block parameter to be able to clean out basic block when not
6721 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6722 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6723 Fixed to properly delete information if df is unused before
6726 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6728 PR rtl-optimization/25799
6729 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6730 Corrected confluence operator to remove bits from op2 before oring
6731 with op1 rather than removing bits from op1.
6732 (df_ru_transfer_function): Corrected test on wrong bitmap which
6733 caused infinite loop. Both of these problems were introduced in
6734 the dataflow rewrite.
6736 2006-01-19 DJ Delorie <dj@redhat.com>
6738 * reload1.c (find_reload_regs): Note the details of reload
6739 failures in the dump file.
6740 (spill_failure): Likewise.
6742 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6744 * loop-iv.c: Include df.h and hashtab.h.
6745 (enum iv_grd_result): New enum.
6746 (DF_REF_IV, DF_REF_IV_SET): New macros.
6747 (struct biv_entry): New.
6748 (df, bivs): New global variables.
6749 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6750 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6752 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6753 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6754 analyzed_for_bivness_p, record_biv): New functions.
6755 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6756 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6757 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6759 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6761 (iv_number_of_iterations): Use new interface to iv analysis.
6762 * loop-unroll.c: Do not include varray.h.
6763 (analyze_iv_to_split_insn): Use new interface to iv
6765 * loop-unswitch.c (may_unswitch_on): Ditto.
6766 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6768 (df_bb_modify): Realloc tables to the new index.
6769 (df_find_use): New function.
6770 * df.h (df_find_use): Declare.
6771 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6773 * cfgloop.h (struct rtx_iv): Remove analysed field.
6774 (iv_get_reaching_def): Removed.
6775 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6776 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6777 (loop-iv.o): Add df.h and hashtab.h dependency.
6778 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6780 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6783 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6785 (__floatundisf, __floatundidf): Likewise.
6786 * libgcc2.h (IS_IBM_EXTENDED): Define.
6788 2006-01-19 DJ Delorie <dj@redhat.com>
6790 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6792 2006-01-19 Paul Brook <paul@codesourcery.com>
6794 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6795 as nothrow when unwinding tables are disabled.
6797 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6800 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6801 of bit-field" when in system header.
6803 2006-01-19 DJ Delorie <dj@redhat.com>
6805 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6806 the 16 bit shift limit of the m16c.
6808 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6811 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6812 * config/i386/i386.c (output_set_got): Output the label if we have one
6813 for the TARGET_DEEP_BRANCH_PREDICTION case.
6815 2006-01-19 Jan Hubicka <jh@suse.cz>
6816 H.J. Lu <hongjiu.lu@intel.com>
6817 Evandro Menezes <evandro.menezes@amd.com>
6819 * invoke.texi (generic): Document
6821 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6822 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6823 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6824 (x86_use_incdec, x86_pad_returns): New variables
6825 (TARGET_CPU_DEFAULT_generic): New constant
6826 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6827 (enum processor_type): Add generic32 and generic64.
6828 * i386.md (cpu attribute): Add generic32/generic64
6829 (movhi splitter): Behave sanely when both partial_reg_dependency and
6830 partial_reg_stall are set.
6831 (K8 splitters): Enable for generic as well.
6832 * predicates.md (incdec_operand): Use TARGET_INCDEC
6833 (aligned_operand): Avoid memory mismatch stalls.
6834 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6835 * ppro.md: Enable for generic32
6836 * i386.c (generic64_cost, generic32_cost): New.
6837 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6838 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6839 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6840 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6841 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6842 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6843 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6844 x86_accumulate_outgoing_args, x86_prologue_using_move,
6845 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6846 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6848 (x86_use_incdec, x86_pad_returns): New.
6849 (override_options): Add generic32 and generic64, translate "generic"
6850 to generic32/generic64 and "i686" to "generic32", refuse
6851 "generic32"/"generic64" as arch target.
6852 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6853 (ix86_reorg): Honor PAD_RETURNS.
6855 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6857 * tree-pretty-print.c (dump_generic_node): Handle
6858 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6859 * cgraph.c (cgraph_expand_queue): Rename from
6860 cgraph_analyze_queue. Update all users.
6861 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6862 cgraph_expand_queue.
6863 (cgraph_expand_all_functions): Likewise.
6864 (cgraph_finalize_pending_functions): Remove. Update callers.
6866 * tree.h (OMP_DIRECTIVE_P): Define.
6867 (OMP_PARALLEL_FN): Define.
6868 (OMP_PARALLEL_DATA_ARG): Define.
6869 (OMP_SECTIONS_SECTIONS): Define.
6870 * tree-pass.h (pass_expand_omp): Declare.
6871 * omp-low.c (struct omp_region): Declare.
6872 (struct omp_context): Remove fields 'parallel_type',
6873 'parallel_start_ix' and 'parallel_start_additional_args'.
6875 (struct omp_for_data): Rename from struct expand_omp_for_data.
6876 (omp_regions): New static variable.
6877 (root_omp_region): New static variable.
6878 (find_omp_clause): Make static.
6879 (is_in_combined_parallel_ctx): Remove.
6880 (is_combined_parallel): New.
6881 (extract_omp_for_data): Move earlier in the file.
6882 (workshare_safe_to_combine_p): New.
6883 (get_ws_args_for): New.
6884 (determine_parallel_type): Move earlier in the file.
6885 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6887 (omp_copy_decl): Likewise.
6888 (create_omp_child_function): Likewise.
6889 (lookup_omp_region): New.
6890 (dump_omp_region): New.
6891 (debug_omp_region): New.
6892 (debug_all_omp_regions): New.
6893 (new_omp_region): New.
6894 (scan_omp_parallel): If parallel_nesting_level > 1, the
6895 directive is nested within another parallel directive.
6896 Set OMP_PARALLEL_FN.
6897 (scan_omp_for): Do not try to handle combined parallel+for
6899 Remove FIXME comment.
6900 (scan_omp_nested): Remove.
6901 (scan_omp_1): Do not call scan_omp_nested when
6902 parallel_nesting_level is > 1.
6903 Do not change the DECL_CONTEXT of local variables found.
6904 (lookup_decl_in_outer_ctx): New.
6905 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6906 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6907 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6908 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6909 If CTX is nested, lookup VAR in the outer context when
6910 building copy assignment.
6911 (lower_send_clauses): Rename from expand_send_clauses.
6912 If CTX is nested, lookup VAR in the outer context when
6913 building copy assignments.
6914 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6915 If CTX is nested, lookup VAR in the outer context when
6916 building copy assignments.
6917 (expand_parallel_call): Rename from build_parallel_call.
6918 Handle combined parallel+workshare cases.
6919 Re-implement to emit code into the CFG.
6921 (expand_omp_parallel): Re-implement to emit code into the CFG.
6922 Call move_sese_region_to_fn to outline the sub-graph
6923 containing the parallel region.
6924 (expand_omp_for_1): Remove.
6925 (expand_omp_for_generic): Re-implement to emit code into the
6927 (expand_omp_for_static_nochunk): Likewise.
6928 (expand_omp_for_static_chunk): Likewise.
6929 (expand_omp_for): Likewise.
6930 (expand_omp_sections): Likewise.
6931 (remove_exit_barriers): New.
6932 (expand_omp_synch): New.
6934 (build_omp_regions_1): New.
6935 (build_omp_regions): New.
6936 (execute_expand_omp): New.
6937 (gate_expand_omp): New.
6938 (pass_expand_omp): Define.
6939 (lower_omp_sections): Rename from expand_omp_sections.
6940 Set OMP_SECTIONS_SECTIONS.
6941 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6942 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6943 (lower_omp_single): Rename from expand_omp_simple.
6944 (lower_omp_master): Rename from expand_omp_master.
6945 (lower_omp_ordered): Rename from expand_omp_ordered.
6946 (lower_omp_critical): Rename from expand_omp_critical.
6947 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6948 (lower_omp_for): Re-implement.
6949 (lower_omp_parallel): Re-implement.
6950 (lower_regimplify): Rename from expand_regimplify.
6951 (lower_omp_1): Rename from expand_omp_1.
6952 If there are syntax errors in the program, replace every
6953 OpenMP directive with NOP.
6954 Call lower_omp_* instead of expand_omp_*.
6955 (lower_omp): Rename from expand_omp.
6957 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6958 * tree-gimple.h (enum omp_parallel_type): Remove.
6959 (gimple_boolify): Declare extern.
6960 (find_omp_clause, determine_parallel_type): Remove.
6962 * gimple-low.c (lower_omp_directive): New.
6963 (lower_stmt): Call it.
6964 (record_vars_into): Move from ...
6965 (record_vars): ... here.
6966 Call record_vars_into with current_function_decl.
6968 * gimplify.c (struct gimplify_ctx): Remove fields
6969 combined_pre_p and combined_ctxp. Update users.
6970 (get_formal_tmp_var): Add documentation.
6971 (gimple_boolify): Make extern.
6972 (gimplify_expr_in_ctx): Remove. Update callers.
6973 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6974 will always be a BIND_EXPR.
6975 (gimplify_expr): Handle OMP_RETURN_EXPR.
6976 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6977 (OMP_PARALLEL): Add 3 operands.
6978 (OMP_SECTIONS): Add 1 operand.
6979 (OMP_RETURN_EXPR): Define.
6981 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6982 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6983 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6984 creating a circular free list.
6985 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6987 * tree-flow.h (move_sese_region_to_fn): Declare.
6988 (record_vars_into): Declare.
6989 * tree-cfg.c (make_omp_sections_edges): New.
6990 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6991 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6992 OMP_SECTIONS and OMP_SECTION.
6993 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6994 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6995 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6996 (gather_blocks_in_sese_region): New.
6997 (struct move_stmt_d): Declare.
6999 (move_block_to_fn): New.
7000 (move_sese_region_to_fn): New.
7002 * passes.c (init_optimization_passes): Schedule
7003 pass_expand_omp after pass_init_datastructures.
7005 * tree-ssa-operands.c (get_expr_operands): Handle
7006 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7007 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7009 2006-01-19 Jeff Law <law@redhat.com>
7011 * tree-vrp.c (extract_range_from_assert): Refine the result range
7012 if the variable referenced by the ASSERT_EXPR has a range and
7013 either the tentative result range or the previous range is a
7016 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7018 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7020 2006-01-19 Jan Hubicka <jh@suse.cz>
7022 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7024 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7026 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7027 (expand_compound_operation, expand_field_assignment): Fail if the
7028 bit lengths of an extract operation are out of range.
7029 (make_extraction): Compute wanted_inner_mode based on the position
7030 and length of the extraction. Make it extraction_mode for non-constant
7031 positions, and do not modify offset in that case. When generating a
7032 new MEM, use a mode that can hold the extraction while keeping correct
7033 alignment. Remove code that supported MEMs wrapped by USEs.
7034 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7036 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7038 * config/s390/s390.md ("Y", "y"): New mode attribute.
7039 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7040 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7041 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7042 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7043 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7044 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7045 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7046 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7047 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7048 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7049 "addsi3", "subsi3"): Insn patterns removed.
7050 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7051 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7052 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7053 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7054 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7055 "*sub<mode>3_cconly2"): New insn patterns.
7056 ("addsi3", "subsi3"): New expanders.
7058 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7060 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7061 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7062 existing STMT_VINFO_VECTYPE if available.
7063 (vect_mark_relevant): Add special handling for stmts that are
7064 marked as STMT_VINFO_IN_PATTERN_P.
7065 (vect_analyze_loop): Call vect_pattern_recog.
7066 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7067 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7069 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7070 (vect_recog_func_ptr): New function-pointer type.
7071 * tree-vect-patterns.c: New file.
7072 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7073 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7074 (vect_pattern_recog_1): New functions.
7075 (vect_pattern_recog_funcs): New array of function pointers.
7077 * tree-vectorizer.h (ternary_op): New enum value.
7078 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7079 declaration. Revised documentation. Removed redundant dump prints.
7080 Removed redundant argument. Added support for reduction patterns.
7081 (vectorizable_reduction): Added support for reduction patterns.
7082 (vect_transform_stmt): Added support for patterns.
7084 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7085 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7086 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7087 (expand_widen_pattern_expr): New function.
7088 (init_optabs): Initialize new optabs udot_prod_optab,
7090 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7091 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7092 (expand_widen_pattern_expr): New function declaration.
7093 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7095 * tree-inline.c (estimate_num_insns_1): Added cases for new
7096 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7097 * tree-pretty-print.c (dump_generic_node): Likewise.
7098 (op_prio): Likewise.
7099 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7100 * tree-ssa-operands.c (get_expr_operands): Added case for
7102 * tree-vect-patterns.c (widened_name_p): New function.
7103 (vect_recog_dot_prod_pattern): Added function implementation.
7104 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7105 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7106 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7107 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7109 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7110 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7111 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7112 (init_optabs): Initialize new optabs widen_ssum_optab,
7114 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7115 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7116 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7117 use instead of type of def.
7118 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7119 function implementation.
7120 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7121 widen_ssumv8hi): New.
7123 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7126 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7129 * c-decl.c (add_flexible_array_elts_to_size): New function.
7130 (finish_decl): Use it.
7132 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7134 * diagnostic.h: Include options.h.
7135 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7136 dependancies for diagnostic.h.
7137 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7139 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7141 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7142 (ssa_ro_call_cache_valid): Ditto.
7143 * tree-ssa-alias.c (sort_tags_by_id): New function.
7144 (init_transitive_clobber_worklist): Ditto.
7145 (add_to_worklist): Ditto.
7146 (mark_aliases_call_clobbered): Ditto.
7147 (compute_tag_properties): Ditto.
7148 (set_initial_properties): Ditto.
7149 (compute_call_clobbered): Ditto.
7150 (compute_may_aliases): Call compute_call_clobbered and grouping.
7151 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7152 (compute_flow_insensitive_aliasing): Grouping now happens in our
7154 (setup_pointers_and_addressables): Remove clobbering related code.
7155 (add_may_alias): Ditto.
7156 (replace_may_alias): Ditto.
7157 (get_nmt_for): Ditto.
7158 (create_global_var):
7159 (is_escape_site): Return an escape_type enumeration.
7160 * tree-flow-inline.h (is_call_clobbered): Global var does not
7161 imply call clobbered.
7162 (mark_call_clobbered): Take a reason for marking this. Remove
7163 marking of globalness, and cache invalidation.
7164 (clear_call_clobbered): Remove cache invalidation code.
7165 * tree-dfa.c (dump_variable): If details is on, dump the reason
7167 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7169 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7170 (struct var_ann_d): Ditto.
7171 (enum escape_type): New.
7172 (mark_call_clobbered): Adjust prototype.
7173 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7174 are never call clobbered.
7175 Record reasons for escaping.
7176 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7177 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7178 (ssa_ro_call_cache_valid): Ditto.
7179 (clobbered_v_may_defs): Ditto.
7180 (clobbered_vuses): Ditto.
7181 (ro_call_vuses): Ditto.
7182 (clobber_stats): New.
7183 (init_ssa_operands): Zero out clobber stats.
7184 (fini_ssa_operands): Print out clobber stats.
7185 (get_call_expr_operands): Pass callee fndecl to
7187 (add_call_clobber_ops): Remove use of cache.
7188 Add use of PURE_CONST information.
7189 (add_call_read_ops): Remove use of cache.
7190 Add use of static not_read information.
7192 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7194 Introduce TLS descriptors for i386 and x86_64.
7195 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7196 (TARGET_ANY_GNU_TLS): New macro.
7197 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7198 (struct machine_function): Add tls_descriptor_call_expanded_p.
7199 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7200 (ix86_current_function_calls_tls_descriptor): Likewise.
7201 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7202 (override_options): Introduce gnu2 tls dialect.
7203 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7205 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7207 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7208 (ix86_init_machine_status): Initialize new field.
7209 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7210 (ix86_tls_module_base): New.
7211 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7212 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7213 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7214 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7215 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7216 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7217 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7218 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7219 * config/i386/predicates.md (tls_modbase_operand): New.
7220 (tp_or_register_operand): New.
7222 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7224 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7225 (look_for_address_of): Ditto.
7226 (ipa_init): Walk the function decls.
7227 (static_execute): Don't set readonly on FUNCTION_DECL's.
7229 2006-01-18 Roger Sayle <roger@eyesopen.com>
7231 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7232 for shifts where the source and destination registers are different.
7234 2006-01-18 Paul Brook <paul@codesourcery.com>
7236 Merge from csl-arm-branch.
7237 2005-03-14 Julian Brown <julian@codesourcery.com>
7238 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7239 (aeabi_llsl): Likewise.
7240 (ashrdi3): Likewise.
7241 (aeabi_lasr): Likewise.
7242 (lshrdi3): Likewise.
7243 (aeabi_llsr): Likewise.
7244 2005-03-10 Julian Brown <julian@codesourcery.com>
7245 * config.gcc: Disable shared libgcc for SymbianOS.
7246 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7248 2006-01-18 DJ Delorie <dj@redhat.com>
7250 * c-pragma.c (handle_pragma_diagnostic): New.
7251 (init_pragma): Register it.
7252 * doc/extend.texi: Document it.
7254 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7255 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7256 (diagnostic_context): Add classify_diagnostic[].
7257 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7258 as errors if they're overridden to DK_WARNING.
7259 (diagnostic_initialize): Initialize classify_diagnostic[].
7260 (diagnostic_set_kind_override): New.
7261 (diagnostic_report_diagnostic): Check for kind changes.
7262 * opts.c (common_handle_option): Take lang_mask. Update callers.
7264 * common.opt (Werror=): New.
7265 * doc/invoke.texi: Document -Werror=*
7267 2006-01-18 Jeff Law <law@redhat.com>
7269 * tree-vrp.c (test_for_singularity): Correct test for new
7270 min limit. Use operand_equal_p rather than pointer equality
7271 for testing if new min/max values are equal.
7273 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7274 using range information until after propagation and folding.
7276 2006-01-18 Richard Henderson <rth@redhat.com>
7277 Aldy Hernandez <aldyh@redhat.com>
7278 Jakub Jelinek <jakub@redhat.com>
7279 Diego Novillo <dnovillo@redhat.com>
7281 * omp-low.c: New file.
7282 * c-omp.c: New file.
7284 2006-01-18 Richard Henderson <rth@redhat.com>
7285 Jakub Jelinek <jakub@redhat.com>
7286 Diego Novillo <dnovillo@redhat.com>
7288 * doc/invoke.texi: Document -fopenmp.
7289 * tree-dump.h (debug_function): Declare.
7290 * hooks.c (hook_bool_tree_bool_false): New function.
7291 (hook_tree_tree_null): Remove.
7292 (hook_tree_tree_tree_null): New.
7293 * hooks.h: Update to match.
7294 * tree-pretty-print.c (debug_tree_chain): New.
7295 (print_generic_expr): Handle TDF_CHAIN.
7296 (dump_generic_node): Handle BLOCK.
7297 Do not abort with incomplete SWITCH_EXPRs.
7298 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7299 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7300 print space after directive name.
7301 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7302 Handle OMP_MASTER and OMP_ORDERED.
7303 Handle printing of OMP_BODY just in one place, goto
7304 dump_omp_body in the rest of OMP_* nodes that have
7306 Don't handle clause nodes here. Update omp statements to
7307 use dump_omp_clauses.
7308 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7309 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7310 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7311 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7312 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7313 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7314 Adjust output for GOMP_PARALLEL.
7315 (dump_omp_clauses): New.
7316 (print_declaration): Dump DECL_VALUE_EXPR.
7317 (op_symbol_1): Split out of op_symbol.
7318 (dumping_stmts): Remove. Update all users.
7319 * cgraph.c (cgraph_analyze_queue): New.
7320 (cgraph_add_new_function): New.
7321 * cgraph.h (cgraph_analyze_queue): Declare.
7322 (cgraph_add_new_function): Declare.
7323 (cgraph_lower_function): Remove.
7324 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7325 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7326 and TYPE_P nodes in its default clause.
7327 (empty_body_p): New.
7328 (tree_range_check_failed): New.
7330 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7331 OMP_CLAUSE_REDUCTION_MERGE,
7332 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7333 OMP_CLAUSE_PRIVATE_DEBUG,
7334 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7335 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7336 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7337 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7338 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7339 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7340 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7341 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7342 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7343 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7344 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7345 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7346 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7347 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7348 (TREE_RANGE_CHECK): New.
7349 (empty_body_p): Declare.
7350 (enum omp_clause_default_kind): New.
7351 (build_string_literal): Declare.
7352 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7353 (build5_stat, build5): Declare.
7354 * tree-pass.h (TDF_CHAIN): Define.
7355 * tree-pass.h (PROP_gimple_lomp): Define.
7356 (pass_lower_omp): Declare.
7357 * diagnostic.h (debug_tree_chain): Declare.
7358 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7360 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7361 * builtins.c (build_string_literal): Make extern.
7362 * gcc.c (include_spec_function): New.
7363 (static_spec_functions): Add it.
7364 (main): Move load of libgomp.spec ...
7365 (LINK_COMMAND_SPEC): ... here.
7366 (link_gomp_spec): New.
7367 (static_specs): Include it.
7368 (LINK_COMMAND_SPEC): Add link_gomp.
7369 (GOMP_SELF_SPECS): New.
7370 (driver_self_specs): Include it.
7371 (switch_matches): Don't mark inline.
7372 (main): Load libgomp.spec.
7373 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7374 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7375 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7376 * tree-gimple.h (enum omp_parallel): Declare.
7377 (determine_parallel_type): Declare.
7378 (omp_firstprivatize_variable): Declare.
7379 (omp_reduction_init): Declare.
7380 (diagnose_omp_structured_block_errors): Declare.
7381 (struct walk_stmt_info): Add want_return_expr.
7382 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7383 (find_omp_clause): Declare.
7384 (insert_field_into_struct): Declare.
7385 (struct walk_stmt_info): Move from tree-nested.c
7386 (walk_stmts): Declare.
7387 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7389 * cgraphunit.c (cgraph_lower_function): Make static.
7390 (cgraph_finalize_pending_functions): New.
7391 (cgraph_finalize_function): Call it.
7392 (cgraph_finalize_compilation_unit): Likewise.
7393 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7394 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7395 (BT_FN_UINT_UINT): New.
7396 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7397 DEF_FUNCTION_TYPE_VAR_4): Document.
7398 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7399 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7400 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7401 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7402 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7403 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7404 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7405 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7406 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7407 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7408 into separate files.
7409 (DEF_GOMP_BUILTIN): New.
7410 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7411 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7412 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7413 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7414 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7415 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7416 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7417 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7418 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7419 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7420 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7421 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7422 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7423 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7424 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7425 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7426 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7427 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7428 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7429 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7430 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7431 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7432 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7433 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7434 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7435 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7436 * sync-builtins.def: New file, moved from builtins.def.
7437 * omp-builtins.def: New file, moved from builtins.def.
7438 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7439 * gimple-low.c (lower_function_body): Clear data.
7440 (lower_stmt): Do not handle COMPOUND_EXPR.
7441 Remove call to print_node_brief.
7442 * c-tree.h (c_finish_omp_clauses): New prototype.
7443 (C_DECL_THREADPRIVATE_P): Define.
7444 (lookup_name_no_remap, c_omp_remap_private): Remove
7445 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7446 (check_for_loop_decls): Update decl.
7447 (lookup_name_no_remap, c_omp_remap_private): Declare.
7448 (build_indirect_ref, build_modify_expr, pushdecl,
7449 pushdecl_top_level): Move to c-common.h.
7450 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7451 before the switch, but just in the 2 places that need it.
7452 * c-decl.c (diagnose_mismatched_decls): Do not check for
7453 mismatched thread-local attributes when OLDDECL is marked
7454 threadprivate and NEWDECL has no thread-local attributes.
7455 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7456 (c_gimple_diagnostics_recursively): Rename from
7457 c_warn_unused_result_recursively. Invoke
7458 diagnose_omp_structured_block_errors.
7459 (check_for_loop_decls): Return a singular decl found.
7460 * langhooks.c (lhd_omp_predetermined_sharing): Return
7461 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7462 (lhd_omp_firstprivatize_type_sizes): New.
7463 (lhd_omp_assignment): New.
7464 (lhd_omp_predetermined_sharing): New.
7465 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7466 (struct lang_hooks_for_types): Add
7467 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7468 omp_predetermined_sharing, omp_disregard_value_expr,
7469 omp_private_debug_clause, omp_clause_default_ctor,
7470 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7471 (c_finish_omp_clauses): New.
7472 (c_finish_bc_stmt): Diagnose break within omp for.
7473 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7474 (build_unary_op): Return error_mark after reporting
7476 (build_modify_expr): Likewise.
7477 * gimplify.c: Include optabs.h and pointer-set.h.
7478 (enum gimplify_omp_var_data): Declare.
7479 (struct gimplify_omp_ctx): Declare.
7480 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7482 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7483 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7484 (splay_tree_compare_decl_uid): New.
7485 (new_omp_context): New.
7486 (delete_omp_context): New.
7487 (gimple_add_tmp_var): Call omp_add_variable.
7488 (gimplify_bind_expr): Likewise.
7489 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7490 true, disregard DECL_VALUE_EXPR on the decl if any.
7491 (gimplify_expr_in_ctx): New.
7492 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7493 omp_add_variable, omp_notice_variable, omp_is_private
7494 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7495 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7496 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7497 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7498 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7499 gimplify_omp_atomic): New.
7500 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7501 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7502 OMP_CRITICAL and OMP_ATOMIC.
7503 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7504 * c-pragma.h (enum pragma_kind): Add
7505 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7506 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7507 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7508 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7509 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7510 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7511 PRAGMA_OMP_THREADPRIVATE.
7512 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7513 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7514 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7515 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7516 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7517 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7518 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7519 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7520 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7521 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7522 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7523 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7524 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7526 (struct nesting_info): Add field_map,
7527 suppress_expansion, debug_var_chain.
7528 (create_nesting_tree): Initialize them.
7529 (lookup_field_for_decl): Use field_map.
7530 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7531 (convert_local_omp_clauses): New.
7532 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7533 (walk_body): Split out of walk_function.
7534 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7535 (convert_nonlocal_reference): Handle omp statements.
7536 (convert_local_reference): Likewise.
7537 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7538 (unnest_nesting_tree): New.
7539 (lower_nested_functions): Call it.
7540 (insert_field_into_struct): Make extern.
7541 (struct walk_stmt_info): Move to tree-gimple.h.
7542 (walk_stmts): Make extern.
7543 * omp-builtins.def: New file.
7544 * tree-iterator.c (expr_only): Clarify comment.
7545 * c-common.h (pushdecl_top_level, pushdecl,
7546 build_modify_expr, build_indirect_ref,
7547 c_finish_omp_master, c_finish_omp_critical,
7548 c_finish_omp_ordered, c_finish_omp_barrier,
7549 c_finish_omp_atomic, c_finish_omp_flush,
7550 c_finish_omp_for, c_split_parallel_clauses,
7551 omp_clause_default_kind, c_omp_sharing_predetermined,
7552 c_omp_remap_decl): Declare.
7553 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7554 (OBJS-common): Add omp-low.o.
7555 (c-omp.o, omp-low.o): Add.
7556 (gimplify.o): Add dependency on $(OPTABS_H).
7557 (GTFILES): Add omp-low.c.
7558 (gt-stringpool.h): Add.
7559 * tree-cfg.c (set_bb_for_stmt): Do not update the
7560 block-to-labels map if we are currently expanding to RTL.
7561 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7563 Handle IDENTIFIER_NODE.
7564 (tree_verify_flow_info): Do not ICE when emitting error
7565 messages about invalid labels.
7566 (dump_function_to_file): Reset CFUN before emitting the body
7568 (debug_function): New.
7569 * passes.c (init_optimization_passes): Schedule
7571 * langhooks-def.h (lhd_omp_predetermined_sharing,
7572 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7574 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7575 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7576 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7577 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7578 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7579 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7580 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7581 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7582 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7583 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7584 (LANG_HOOK_DECLS): Use them.
7586 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7587 Richard Henderson <rth@redhat.com>
7588 Jakub Jelinek <jakub@redhat.com>
7589 Diego Novillo <dnovillo@redhat.com>
7591 * c-parser.c (pragma_omp_clause): Define.
7592 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7593 (c_parser_compound_statement): Likewise.
7594 (c_parser_statement): Likewise.
7595 (c_parser_pragma): Handle omp pragmas.
7596 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7597 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7598 (c_parser_omp_clause_name, check_no_duplicate_clause,
7599 c_parser_omp_variable_list,
7600 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7601 c_parser_omp_clause_copyprivate,
7602 c_parser_omp_clause_default,
7603 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7604 c_parser_omp_clause_lastprivate,
7605 c_parser_omp_clause_nowait,
7606 c_parser_omp_clause_num_threads,
7607 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7608 c_parser_omp_clause_reduction,
7609 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7610 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7611 c_parser_omp_atomic, c_parser_omp_barrier,
7612 c_parser_omp_critical, c_parser_omp_flush,
7613 c_parser_omp_for_loop, c_parser_omp_for,
7614 c_parser_omp_master, c_parser_omp_ordered,
7615 c_parser_omp_sections_scope, c_parser_omp_sections,
7616 c_parser_omp_parallel, c_parser_omp_single,
7617 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7618 * c-pragma.c (init_pragma): Do omp pragma registration here.
7619 * c.opt (fopenmp): New flag.
7621 2006-01-18 Eric Christopher <echristo@apple.com>
7623 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7624 * config/darwin.h (GOMP_SELF_SPECS): Define.
7626 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7628 * rtl.h: Remove the prototype for reg_alloc.
7630 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7633 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7634 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7635 sjlj and dwarf2 exception handling.
7636 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7637 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7638 * pa/pa.c (function_value): Treat complex and vector types as
7640 (function_arg): Likewise. Only pass scalar floats in the floating
7641 point argument registers.
7642 * pa/t-slibgcc-dwarf-ver: New file.
7643 * pa/t-slibgcc-sjlj-ver: New file.
7644 * pa/t-slibgcc-elf-ver: Delete file.
7646 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7648 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7649 unlikely_test_section_p test.
7651 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7653 * mode-switching.c (optimize_mode_switching): Make it static.
7654 * basic-block.h: Remove the prototype for
7655 optimize_mode_switching.
7657 * modulo-sched.c (sms_schedule): Make it static.
7658 * rtl.h: Remove the prototype for sms_schedule.
7660 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7661 * rtl.h: Remove the prototype for gcse_after_reload_main.
7663 * reg-stack.c (reg_to_stack): Make it static.
7664 * rtl.h: Remove the prototype for reg_to_stack.
7666 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7668 * rtl.h: Remove the prototypes for regrename_optimize and
7669 copyprop_hardreg_forward.
7671 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7673 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7674 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7675 Test against the appropriate null constant for the mode.
7676 If 'fixup_overlap' is true, swap the operands if they overlap.
7677 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7678 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7679 alpha_split_tmode_pair and adjust for above change.
7680 * config/alpha/alpha.md (movtf_internal): Adjust call to
7681 alpha_split_tfmode_pair and rely on it to swap the operands.
7682 (movti_internal): New insn and post-reload splitter.
7683 (movti): New expander.
7685 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7687 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7690 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7692 * rtlanal.c (global_reg_mentioned_p_1,
7693 global_reg_mentioned_p): Remove.
7694 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7696 * flow.c (initialize_uninitialized_subregs): Make it static.
7697 * rtl.h: Remove the prototype for
7698 initialize_uninitialized_subregs.
7700 * function.c (instantiate_virtual_regs): Make it static.
7701 * function.h: Remove the prototype for
7702 instantiate_virtual_regs.
7704 * regmove.c (regmove_optimize, combine_stack_adjustments):
7706 * rtl.h: Remove the prototypes for regmove_optimize and
7707 combine_stack_adjustments.
7709 2006-01-17 Roger Sayle <roger@eyesopen.com>
7711 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7712 (size_cost): Encode costs in bytes so that a reg-reg addition is
7713 equivalent to COSTS_N_INSNS(1).
7714 (override_options): Use the size_cost.branch_cost as the default
7715 ix86_branch_cost when optimizing for size.
7717 2006-01-18 Ben Elliston <bje@au.ibm.com>
7719 * Makefile.in (D32PBIT_FUNCS): New.
7720 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7721 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7722 D64PBIT_FUNCS and D128PBIT_FUNCS.
7723 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7724 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7726 (decnumber_dep): Define.
7727 * doc/libgcc.texi (Decimal float library routines): New node.
7728 * config/dfp-bit.h, config/dfp-bit.c: New files.
7730 2006-01-18 Ben Elliston <bje@au.ibm.com>
7732 * expr.c (emit_move_change_mode): Always adjust addresses, not
7733 just during reload. Copy replacements only during reload.
7734 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7735 emit_move_via_integer.
7737 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7739 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7740 instead of $(srcdir) and ${srcdir}.
7742 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7746 * arm.h (struct machine_function): Add pic_reg.
7747 * arm.c (arm_pic_register): Make unsigned.
7748 (arm_override_options): Only set arm_pic_register if
7749 TARGET_SINGLE_PIC_BASE.
7750 (use_return_insn): Only test for a pic register if it is fixed.
7751 (arm_compute_save_reg0_reg12_mask): Likewise.
7752 (thumb_compute_save_reg_mask): Likewise.
7753 (legitimate_pic_operand): Factor out some known invariants.
7754 (legitimize_pic_address): If we don't have a fixed pic register,
7755 then set up a pseudo in the function entry sequence. Handle the
7756 pic base being in a pseudo.
7757 (arm_load_pic_register): Handle the pic register being in a pseudo.
7758 (arm_expand_prologue): Only set up the pic register if it is fixed.
7759 (thumb_expand_prologue): Likewise.
7760 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7761 (pic_load_addr_based_insn): Likewise.
7762 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7765 2006-01-18 Ben Elliston <bje@au.ibm.com>
7767 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7768 decimal float modes for all floating point registers.
7770 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7771 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7773 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7776 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7777 even when the pointer is not NULL.
7779 2006-01-16 Ian Lance Taylor <ian@airs.com>
7781 * common.opt (ftoplevel-reorder): New option.
7782 * cgraph.c (cgraph_asm_nodes): New global variable.
7783 (cgraph_asm_last_node): New static variable.
7784 (cgraph_order): New global variable.
7785 (cgraph_create_node): Set new order field.
7786 (cgraph_varpool_node): Likewise.
7787 (decide_is_variable_needed): Return true if not
7788 flag_toplevel_reorder.
7789 (cgraph_add_asm_node): New function.
7790 * cgraph.h (struct cgraph_node): Add order field.
7791 (struct cgraph_varpool_node): Add order field.
7792 (struct cgraph_asm_node): Define.
7793 (cgraph_asm_nodes, cgraph_order): Declare.
7794 (cgraph_add_asm_node): Declare.
7795 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7797 (cgraph_varpool_assemble_pending_decls): Call it.
7798 (cgraph_output_pending_asms): New static function.
7799 (cgraph_finalize_compilation_unit): Call it.
7800 (struct cgraph_order_sort): Define.
7801 (cgraph_output_in_order): New static function.
7802 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7803 !flag_toplevel_reorder case.
7804 * c-parser.c: Include "cgraph.h".
7805 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7807 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7808 than -fno-unit-at-a-time.
7809 * doc/invoke.texi (Option Summary): Mention
7810 -fno-toplevel-reorder.
7811 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7812 -funit-at-a-time documentation.
7814 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7815 Kazu Hirata <kazu@codesourcery.com>
7817 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7819 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7821 * Makefile.in (FUNCTION_H): New. Use it instead of
7822 function.h throughout the file.
7823 * function.h: Include tree.h.
7825 2006-01-17 Ben Elliston <bje@au.ibm.com>
7827 * recog.c: Separate some functions with whitespace.
7829 2006-01-16 Richard Henderson <rth@redhat.com>
7831 Merge from gomp branch:
7832 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7833 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7834 and rename from struct inline_data. Rename callee* to dst*;
7835 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7836 transform_new_cfg, transform_return_to_modify, and
7837 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7839 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7840 (copy_decl_for_dup): Remove.
7841 * tree-inline.c (struct inline_data): Move to header.
7842 (insert_decl_map): Export.
7843 (remap_decl): Update for member name changes. Use copy_decl hook.
7844 Allow for replacement to be a non-decl. Remove dead code.
7845 (remap_type_1): Check for existing mapping.
7846 (remap_type): Export.
7847 (remap_decls): Update for member name changes.
7848 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7849 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7850 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7851 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7852 (tree_function_versioning, build_duplicate_type): Likewise.
7853 (copy_body_r): Likewise. Export.
7854 (copy_decl_for_dup): Split into ...
7855 (copy_decl_for_dup_finish, copy_decl_to_var,
7856 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7857 (replace_ref_tree, inlining_p): Remove.
7859 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7861 * ifcvt.c (if_convert): Make it static.
7862 * rtl.h: Remove the prototype for if_convert.
7864 * local-alloc.c (local_alloc): Make it static.
7865 * rtl.h: Remove the prototype for local_alloc.
7867 * loop.c (loop_optimize): Make it static.
7868 * cfgloop.h: Remove the prototype for loop_optimize.
7871 2006-01-16 DJ Delorie <dj@redhat.com>
7873 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7876 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7878 * pa.md: Disparage copies between general and floating-point registers
7879 in 32-bit move patterns.
7881 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7884 * Makefile.in (check-%): Depend on site.exp instead of
7885 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7888 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7890 * global.c (global_alloc): Make it static.
7891 * rtl.h: Remove the prototype for global_alloc.
7893 2006-01-16 Richard Guenther <rguenther@suse.de>
7895 * tree-ssa-alias.c (struct used_part): Add write_only field.
7896 (get_or_create_used_part_for): Initialize it to true.
7897 (create_overlap_variables_for): Don't create structure variables
7898 for structures that only are written to.
7899 (find_used_portions): Handle MODIFY_EXPR to track whether a
7900 structure is only written to.
7902 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7904 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7906 * basic-block.h: Remove the prototype for
7907 partition_hot_cold_basic_blocks.
7909 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7911 * cppspec.c (lang_specific_spec_functions): Remove.
7912 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7913 * gcc.h (lang_specific_spec_functions): Remove.
7914 * gccspec.c (lang_specific_spec_functions): Remove.
7916 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7918 * combine.c (record_value_for_reg): Invalidate registers
7920 (record_dead_and_set_regs_1): Likewise, by passing them to
7921 record_value_for_reg.
7922 (record_dead_and_set_regs): Invalidate stores made by a
7923 call. We do not combine across a call, but we still
7924 relied on equivalences.
7926 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7928 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7929 vrp_int_const_binop returning non-constant nodes.
7931 2006-01-16 Paul Brook <paul@codesourcery.com>
7933 * config/m68k/m68k.c (output_move_const_into_data_reg):
7934 Output correct mnemonic for mvz and mvs.
7936 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7938 * rtl-factoring.c: Add sequence abstraction algorithm.
7939 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7940 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7942 (block_has_preserve_label): New function.
7943 * common.opt: Register new pass.
7944 * Makefile.in: Ditto.
7946 * timevar.def: Ditto.
7947 * tree-pass.h: Ditto.
7948 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7949 * rtl.h (make_jump_insn_raw): Add forward decl.
7950 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7952 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7953 Roger Sayle <roger@eyesopen.com>
7955 * fold-const.c (fold_minmax): New static function.
7956 (fold_binary) <MIN_EXPR>: Call it.
7957 <MAX_EXPR>: Likewise.
7958 * stor-layout.c (place_field): Use DECL_SIZE consistently
7959 in the computation of the new record size.
7961 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7963 * cse.c (cse_condition_code_reg): Make it static.
7964 * rtl.h: Remove the prototype for cse_condition_code_reg.
7966 * combine.c (combine_instructions): Make it static.
7967 * rtl.h: Remove the prototype for combine_instructions.
7969 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7972 * tree.c (get_file_function_name_long): Concatenate the first global
7973 object name with a string derived from the input filename of the object
7976 2006-01-16 Ben Elliston <bje@au.ibm.com>
7978 * config/i386/winnt-stubs.c: Update FSF address.
7979 * config/xtensa/ieee754-df.S: Ditto.
7980 * config/xtensa/ieee754-sf.S: Ditto.
7982 2006-01-14 Ian Lance Taylor <ian@airs.com>
7984 * ifcvt.c (noce_init_if_info): New static function, broken out of
7985 noce_process_if_block.
7986 (noce_process_if_block): Call noce_init_if_info.
7987 (check_cond_move_block): New static function.
7988 (cond_move_process_if_block): New static function.
7989 (process_if_block): Call cond_move_process_if_block.
7991 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7993 * cselib.c (hash_table): Rename to cselib_hash_table.
7994 (cselib_clear_table, discard_useless_values,
7995 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7996 cselib_init, cselib_finish): Adjust uses of hash_table.
7998 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8000 PR tree-optimization/25485
8001 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8002 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8003 is known to be false and true, respectively.
8005 2006-01-14 Richard Guenther <rguenther@suse.de>
8007 PR tree-optimization/22548
8008 PR tree-optimization/22555
8009 PR tree-optimization/22501
8010 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8011 * params.def (salias-max-array-elements): New parameter.
8012 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8013 * doc/invoke.texi (salias-max-array-elements): Document.
8014 * tree-flow-inline.h (var_can_have_subvars): We also handle
8016 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8018 * tree-ssa-structalias.c (params.h): Include.
8019 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8020 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8021 (get_constraint_for): For ADDR_EXPR operating on something
8022 containing an ARRAY_REF, add all subvars to the solution.
8023 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8024 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8025 for creating MUST_DEFs.
8026 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8028 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8030 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8032 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8033 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8034 number_of_iterations_le): New functions.
8035 (number_of_iterations_special): Removed.
8036 (number_of_iterations_exit): Do not use number_of_iterations_special.
8037 * tree.c (unsigned_type_for): Always return integer type.
8039 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8040 Richard Guenther <rguenther@suse.de>
8042 PR rtl-optimization/24257
8043 * gcse.c (find_moveable_store): Only consider a store movable
8044 when the SET_SRC of the insn can be assigned to a register.
8046 2006-01-14 Ian Lance Taylor <ian@airs.com>
8048 * tree.c (tree_not_class_check_failed): New function.
8049 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8050 (tree_not_class_check_failed): Declare.
8052 2006-01-13 Ian Lance Taylor <ian@airs.com>
8054 * reload1.c (do_output_reload): Add assertion rejecting a
8057 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8059 * combine.c (struct reg_stat): Add new fields truncation_label and
8061 (record_value_for_reg): Reset truncated_to_mode.
8062 (record_truncated_value): New function.
8063 (check_promoted_subreg): Call it. Rename to check_conversions.
8064 (combine_instructions): Rename check_promoted_subreg to
8066 (reg_truncated_to_mode): New function.
8067 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8068 (gen_lowpart_or_truncate): New function.
8069 (force_to_mode): Use it instead of gen_lowpart.
8071 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8073 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8074 VAR is a tag, not its type tag.
8076 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8078 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8079 alternatives to match style of other entries.
8080 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8082 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8084 PR tree-optimization/25771
8085 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8088 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8091 * tree-inline.c (declare_return_variable): If the return variable
8092 was marked as a non gimple complex, set the return slot variable
8093 to be a non gimple comple variable.
8095 2006-01-13 Richard Guenther <rguenther@suse.de>
8097 * builtins.c (expand_builtin_sincos): New function.
8098 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8100 (expand_builtin): Expand sincos using expand_builtin_sincos.
8102 2006-01-12 DJ Delorie <dj@redhat.com>
8104 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8105 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8106 so that constant shifts can be split.
8107 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8108 (m32c_valid_pointer_mode): Make static.
8109 (shift_gen_func_for): New.
8110 (m32c_prepare_shift): Use it. Split large const shifts into
8112 * config/m32c/predicates.md (shiftcount_operand): Allow more
8114 (longshiftcount_operand): New.
8115 * doc/md.texi (Machine Constraints): Document In6.
8117 2006-01-13 Ben Elliston <bje@au.ibm.com>
8119 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8120 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8123 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8125 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8126 to try to avoid clobbering pieces of structures when we know
8127 something about the whole structure.
8128 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8130 2006-01-13 Ben Elliston <bje@au.ibm.com>
8132 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8133 return in memory, as this is no limitation is no longer present.
8135 2006-01-12 DJ Delorie <dj@redhat.com>
8137 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8138 mova with fb, and for fb+0 -> An.
8140 * config/m32c/mov.md (peephole2): Fix enabling logic.
8142 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8143 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8144 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8145 FINI_ARRAY_SECTION_ASM_OP): Define.
8147 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8149 (m32c_legitimize_reload_address): New logic to reload FB to An.
8150 (m32c_output_reg_push): Add newline.
8151 (m32c_output_reg_pop): Likewise.
8153 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8155 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8157 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8159 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8161 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8163 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8166 2006-01-11 Ben Elliston <bje@au.ibm.com>
8168 * rtlanal.c (find_reg_note): Assert insn is not null.
8170 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8172 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8175 2006-01-11 Jeff Law <law@redhat.com>
8177 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8179 (mark_threaded_blocks, register_jump_thread): New functions.
8180 (thread_through_all_blocks): Remove unwanted argument. No
8181 longer rely on e->aux to communicate thread target info.
8182 Call mark_threaded_blocks. Release the threaded_blocks
8183 bitmap and threaded_edges vector when complete.
8184 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8185 (threaded_blocks): Remove.
8186 (tree_ssa_dominator_optimize): Remove initialization and
8187 finalization of threaded_blocks. Simplify call to
8188 thread_through_all_blocks.
8189 (thread_across_edge): Call register_jump_thread rather than
8190 storing thread information into e->aux.
8191 (free_all_edge_infos): Simplify now that e->aux is no longer
8192 used to communicate with thread_through_all_blocks.
8193 * tree-flow.h (thread_through_all_blocks): Update prototype.
8194 (register_jump_thread): Prototype.
8196 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8198 * df-core.c (df_compact_blocks, df_bb_replace): Use
8199 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8201 2006-01-11 Richard Guenther <rguenther@suse.de>
8203 PR tree-optimization/25734
8204 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8205 stop propagation after successful propagation to the LHS.
8207 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8209 * basic-block.h (control_flow_graph): Change the type of
8210 x_basic_block_info to VEC(basic_block,gc) *.
8211 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8213 (SET_BASIC_BLOCK): New.
8214 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8215 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8216 * cfgbuild.c (find_basic_blocks): Likewise.
8217 * cfglayout.c (fixup_reorder_chain): Likewise.
8218 * cfgrtl.c (create_basic_block_structure,
8219 rtl_create_basic_block): Likewise.
8220 * ifcvt.c (find_if_case_1): Likewise.
8221 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8224 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8226 * Makefile.in: Removed rotted odf.c entry.
8228 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8231 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8232 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8233 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8234 output pattern modifier, not %e.
8235 * config/cris/cris.c (cris_op_str): Update comment about pattern
8237 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8238 before falling through into...
8239 <case 'E'>: Redefined from old 'e' case.
8241 2006-01-11 Jan Hubicka <jh@suse.cz>
8244 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8246 2006-01-11 Jan Hubicka <jh@suse.cz>
8248 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8249 * i386.c (x86_decompose_lea): Kill.
8250 (ix86_rtx_costs): Kill.
8252 2006-01-11 Jan Hubicka <jh@suse.cz>
8254 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8255 * cgraph.h (cgraph_node): Add inline_decl.
8256 (cgraph_insert_node_to_hashtable): Declare.
8257 (save_inline_function_body): Declare.
8258 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8260 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8261 (cgraph_function_versioning): Update call of tree_function_versioning.
8262 (save_inline_function_body): New function.
8263 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8264 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8265 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8266 (cgraph_default_inline_p): Likewise.
8267 (cgraph_decide_inlining_incrementally): Likewise.
8268 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8269 (copy_bb): Kill saving; do updating of clones.
8270 (copy_cfg_body): Kill saving.
8271 (initialize_inlined-parameters): Likewise.
8272 (expand_call_inline): Likewise.
8274 (tree_function_versioning): New parameter "update_clones".
8275 (inlining_p): Kill saving.
8276 * tree-inline.h (tree_function_versioning): Update prototype.
8277 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8280 2006-01-11 Ian Lance Taylor <ian@airs.com>
8282 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8283 Allow undoing set of machine mode.
8284 (do_SUBST): Use enums instead of is_int.
8285 (do_SUBST_MODE): New function.
8286 (SUBST_MODE): New macro.
8287 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8288 reg and trying to replace reg_regno_rtx with a new register.
8289 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8290 (simplify_set): Use SUBST_MODE.
8291 (distribute_notes): Remove code that tried to update reg notes
8292 for regno_reg_rtx changes.
8294 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8296 PR tree-optimization/23109
8297 PR tree-optimization/23948
8298 PR tree-optimization/24123
8300 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8301 * tree-cfg.c (single_noncomplex_succ): New.
8302 * tree-flow.h (single_noncomplex_succ): Declare it.
8303 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8304 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8305 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8306 insert_bb, register_division_in, insert_reciprocals,
8307 replace_reciprocal, free_bb): New.
8308 (execute_cse_reciprocals_1): Rewritten.
8309 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8310 Do not commit any edge insertion. Always compute dominators and
8311 create the allocation pool.
8312 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8313 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8314 * targhooks.c (default_min_divistions_for_recip_mul): New.
8315 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8316 * passes.c (init_optimization_passes): Run recip after tree loop
8318 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8320 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8321 Kenneth Zadeck <zadeck@naturalbridge.com>
8323 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8324 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8325 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8326 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8327 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8328 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8329 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8330 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8331 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8332 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8333 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8334 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8335 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8336 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8337 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8338 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8339 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8340 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8341 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8342 DF_SCAN_POST_ALLOC): New macros.
8343 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8344 df_free_bb_function, df_local_compute_function, df_init_function,
8345 df_dataflow_function, df_confluence_function_0,
8346 df_confluence_function_n, df_transfer_function,
8347 df_finalizer_function, df_free_function, df_dump_problem_function,
8348 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8349 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8350 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8351 df_urec_bb_info, ) New types.
8352 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8354 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8355 df_analyze_simple_change_some_blocks,
8356 df_analyze_simple_change_one_block, df_compact_blocks,
8357 df_bb_replace, df_bb_regno_last_use_find,
8358 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8359 df_insn_regno_def_p, df_find_def, df_find_use,
8360 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8361 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8362 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8363 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8364 debug_df_chain, df_get_dependent_problem, df_chain_create,
8365 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8366 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8367 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8368 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8369 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8370 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8371 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8372 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8373 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8374 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8375 df_reorganize_refs, df_set_state, df_hard_reg_init,
8376 df_read_modify_subreg_p) New public functions.
8377 * df-core.c: The core dataflow solver and glue routines for rtl
8379 (df_init, df_add_problem, df_set_blocks, df_finish,
8380 df_hybrid_search_forward, df_hybrid_search_backward,
8381 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8382 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8383 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8384 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8385 df_reg_defined, df_find_use, df_reg_used, df_dump,
8386 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8387 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8388 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8389 debug_df_useno, reset_df_after_reload): New functions.
8390 * df-scan.c: The scanning fuctions, once in df.c, completely
8391 rewritten so that they now fully model the functionality of
8392 register usage at the backend.
8393 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8394 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8395 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8396 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8397 df_get_artificial_defs, df_get_artificial_uses,
8398 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8399 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8400 df_refs_delete, df_reorganize_refs, df_set_state,
8401 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8402 df_def_record_1, df_defs_record, df_uses_record,
8403 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8404 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8405 df_record_exit_block_uses, df_hard_reg_init): New functions.
8407 * df-problems.c: Seven concrete dataflow problems that use the
8408 scanning in df-scan.c and are solved by the engine in df-core.c.
8409 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8410 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8411 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8412 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8413 df_ru_free_bb_info, df_ru_alloc,
8414 df_ru_bb_local_compute_process_def,
8415 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8416 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8417 df_ru_transfer_function, df_ru_free, df_ru_dump,
8418 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8419 df_rd_free_bb_info, df_rd_alloc,
8420 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8421 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8422 df_rd_transfer_function, df_rd_free, df_rd_dump,
8423 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8424 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8425 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8426 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8427 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8428 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8429 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8430 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8431 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8432 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8433 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8434 df_urec_mark_reg_use_for_earlyclobber,
8435 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8436 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8437 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8438 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8439 df_chain_create_bb_process_use, df_chain_create_bb,
8440 df_chain_finalize, df_chain_free, df_chains_dump,
8441 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8442 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8443 df_reg_lifetime): New functions.
8444 * df.c: Deleted file.
8445 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8446 consistent with new df api.
8447 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8448 rest_of_handle_sms): Ditto.
8449 * web.c (unionfind_union, union_defs, entry_register, web_main):
8451 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8452 invariant_expr_equal_p, find_defs, check_dependencies,
8453 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8454 free_inv_motion_data, move_loop_invariants): Ditto.
8455 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8456 Update dependencies.
8457 (odf.c): Added defective entry that was deleted later in day.
8458 * sched-deps.c (sched_analyze_1): Ditto.
8460 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8462 * tree-ssa-operands.c (get_expr_operands): Record addressable
8463 variables directly. Do not call add_stmt_operands for CONST_DECLs
8465 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8466 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8468 2006-01-11 Ben Elliston <bje@au.ibm.com>
8470 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8471 function returns true in the positive case.
8473 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8476 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8477 for SI, DI, SF and DF modes. Add alternatives to copy between
8478 general and floating point registers to the 32-bit patterns.
8479 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8480 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8481 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8482 generating 64-bit code.
8483 * config/pa/pa.c (output_move_double): Handle copies between general
8484 and floating registers.
8486 2006-01-10 Stuart Hastings <stuart@apple.com>
8488 * config/i386/i386.md (set_got): Update.
8489 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8490 (builtin_setjmp_receiver): Mach-O support.
8491 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8492 (GOT_SYMBOL_NAME): Define.
8493 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8494 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8495 * config/i386/i386.c (override_options): Revise for Darwin.
8496 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8497 support. (darwin_x86_file_end): New. (output_set_got): Add label
8498 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8499 * config/i386/i386-protos.h (output_set_got): Likewise.
8500 * config/darwin.c (machopic_legitimize_pic_address): Update
8503 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8505 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8506 when MODE isn't BLKmode.
8508 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8510 PR rtl-optimization/25367
8511 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8513 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8516 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8517 for a negative bound.
8519 2006-01-10 Richard Guenther <rguenther@suse.de>
8521 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8522 Never override with anything constraint.
8524 2006-01-10 Jan Beulich <jbeulich@novell.com>
8526 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8527 256 bits when optimize_size.
8529 2006-01-10 Jan Beulich <jbeulich@novell.com>
8531 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8533 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8534 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8537 2006-01-10 Ben Elliston <bje@au.ibm.com>
8539 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8541 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8542 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8543 (USE_FP_FOR_ARG): Reject decimal float modes.
8544 (function_arg_advance): Likewise.
8545 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8546 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8547 point types in AltiVec vectors.
8548 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8549 (rs6000_libcall_value): Likewise.
8551 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8553 * config/xtensa/ieee754-df.S: New file.
8554 * config/xtensa/ieee754-sf.S: New file.
8555 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8556 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8557 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8559 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8561 * config/sh/predicates.md (binary_float_operator,
8562 binary_logical_operator, commutative_float_operator,
8563 equality_comparison_operator, greater_comparison_operator,
8564 less_comparison_operator, logical_operator,
8565 noncommutative_float_operator, shift_operator,
8566 symbol_ref_operand, unary_float_operator): Remove redundant
8569 2006-01-09 Jeff Law <law@redhat.com>
8571 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8572 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8573 now unused arguments. Callers updated.
8574 (eliminate_redundant_computations): Remove now unused arguments,
8576 (local_fold): Remove, no longer used.
8577 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8579 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8580 (simplify_cond): New function.
8581 (forward_propagate_into_cond): Call simplify_cond.
8583 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8585 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8586 (*vec_extractv2di_1_sse): New.
8588 2006-01-09 Ben Elliston <bje@au.ibm.com>
8590 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8592 2006-01-08 Richard Guenther <rguenther@suse.de>
8594 * tree-ssa-structalias.c (get_constraint_for): Remove
8596 (get_constraint_for_component_ref): Likewise.
8597 (do_deref): Likewise.
8598 (get_constraint_for): Likewise.
8599 (do_structure_copy): Likewise.
8600 (handle_ptr_arith): Likewise.
8601 (find_func_aliases): Likewise. Remove unused need_anyoffset
8604 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8605 Kaz Kojima <kkojima@gcc.gnu.org>
8607 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8608 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8609 (EXTRA_CONSTRAINT_C16): Remove.
8610 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8611 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8612 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8613 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8614 constants of SHmedia. Handle nested constant expressions of
8616 (andcosts): Fix the costs for SHmedia constants.
8617 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8618 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8619 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8620 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8621 (movv4hi_i, movv2si_i): Likewise.
8622 (movsi_const): Adjust the second operand of ior so to match with
8624 (movdi_const, movdi_const_32bit): Likewise.
8625 (movdi_const_16bit+1): Don't sign-extend LOW.
8626 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8628 (*double_shori): Fix the split condition. Use GEN_INT instead
8629 of get_int_mode calls. Mask lower 16-bit of the argument of
8631 (sym2GOTPLT): Remove.
8632 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8634 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8635 instead of EXTRA_CONSTRAINT_C16.
8637 2006-01-07 Ian Lance Taylor <ian@airs.com>
8638 David Edelsohn <edelsohn@gnu.org>
8640 PR rtl-optimization/25662
8641 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8642 for constant operands instead of simplify_gen_binary.
8643 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8644 after trying simplify_binary_operation
8646 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8648 * tree.c (iterative_hash_expr): Hash decls based on UID.
8650 2006-01-06 Eric Christopher <echristo@apple.com>
8652 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8653 (TARGET_UNWIND_EMIT): Fix spelling.
8654 * target.h (gcc_target): Add except_table_label.
8655 * except.c (output_function_exception_table): Use.
8656 * varasm.c (default_emit_except_table_label): New.
8657 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8659 (asm_out): Add here.
8660 * output.h (default_emit_except_table_label): Prototype.
8661 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8662 * config/darwin.c (darwin_emit_except_table_label): Define.
8663 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8665 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8667 PR tree-optimization/18527
8668 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8669 number_of_iterations_special, number_of_iterations_exit):
8670 Move base and step of an iv to a single structure. Add
8671 no_overflow flag, and use it in # of iterations analysis.
8672 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8673 folded_casts argument.
8674 (simple_iv): Pass base and step in a structure. Set no_overflow
8676 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8677 Evaluate expensiveness of computing # of iterations instead of
8678 the final expression.
8679 * tree-scalar-evolution.h (affine_iv): New structure.
8680 (simple_iv): Declaration changed.
8681 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8682 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8683 find_givs_in_stmt): Changed due to simple_iv change.
8685 2006-01-06 Jeff Law <law@redhat.com>
8688 * tree-cfg.c (bsi_replace): Rename final argument from
8689 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8690 change (stmt -> orig_stmt).
8691 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8692 (bsi_remove): Add new argument. Remove EH information
8694 (verify_eh_throw_table_statements): New function.
8695 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8697 * tree-optimize.c (execute_free_cfg_annotations): Verify
8698 the EH throw statement table after removing annotations.
8699 * except.h (verify_eh_throw_table_statements): Prototype.
8700 * tree-flow.h (bsi_remove): Update prototype.
8701 * tree-vrp.c (remove_range_assertions): Add new argument to
8703 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8704 * tree-complex.c (expand_complex_div_wide): Likewise.
8705 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8706 * tree-tailcall.c (eliminate_tailcall): Likewise.
8707 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8708 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8709 * tree-nrv.c (tree_nrv): Likewise.
8710 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8711 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8712 (combine_blocks): Likewise.
8713 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8714 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8715 (cleanup_control_flow): Likewise.
8716 (remove_forwarder_block): Likewise.
8717 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8718 * tree-sra.c (sra_replace): Likewise.
8719 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8720 (forward_propagate_single_use_vars): Likewise.
8721 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8722 * tree-inline.c (expand_call_inline): Likewise.
8723 * tree-vect-transform.c (vect_transform_loop): Likewise.
8724 * tree-outof-ssa.c (rewrite_trees): Likewise.
8725 * tree-cfg.c (make_goto_expr_edges): Likewise.
8726 (cleanup_dead_labels): Likewise.
8727 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8728 (bsi_move_before, bsi_move_after): Likewise.
8729 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8730 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8732 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8735 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8737 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8738 on non gimple variables. Also add checks at the top for decls and
8740 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8742 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8743 and IMAGPART_EXPR for creating MUST_DEFs.
8744 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8745 and NAME_MEMORY_TAG separately from the DECLs.
8747 2006-01-06 Richard Guenther <rguenther@suse.de>
8749 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8750 annotation, if necessary.
8751 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8752 redundant calls to update_stmt.
8753 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8756 2006-01-05 Richard Henderson <rth@redhat.com>
8758 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8760 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8762 * c-typeck.c: Update copyright date.
8764 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8766 * c-typeck.c (build_c_cast): Always warn when casting
8767 from a pointer to an integer of different size, even if
8768 the node was constant.
8770 2006-01-05 Richard Guenther <rguenther@suse.de>
8772 PR tree-optimization/22555
8773 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8774 if one structure field is an array.
8775 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8776 operands even if we found a subvar, but ignore VOPs in this
8778 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8780 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8782 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8785 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8787 2006-01-05 Richard Guenther <rguenther@suse.de>
8788 Diego Novillo <dnovillo@redhat.com>
8790 * tree-pass.h (TODO_remove_unused_locals): Define.
8791 * gimple-low.c (expand_var_p, remove_useless_vars,
8792 pass_remove_useless_vars): Remove. Update all users.
8793 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8794 (remove_unused_locals): New function.
8795 * tree-flow.h (remove_unused_locals): Declare.
8796 * passes.c (execute_todo): Call remove_unused_locals if
8797 TODO_remove_unused_locals is set.
8798 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8799 * tree-ssa-dce.c (pass_dce): Likewise.
8800 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8802 2006-01-05 Richard Guenther <rguenther@suse.de>
8804 * tree-flow.h (struct fieldoff): Decompose field to
8805 type, size and decl.
8806 * tree-ssa-alias.c (create_sft): Take type as parameter.
8807 (create_overlap_variables_for): Store type, size and decl
8808 in the fieldoff structure.
8809 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8811 (push_fields_onto_fieldstack): Likewise.
8812 (create_variable_info_for): Likewise. Use offset for the
8813 SFT name if the decl is not available.
8815 2006-01-04 Paul Brook <paul@codesourcery.com>
8817 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8819 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8821 * lambda-code.c (can_put_in_inner_loop): Relax
8823 (can_put_after_inner_loop): New function.
8824 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8825 (perfect_nestify): Change to make copies and modify uses.
8827 2006-01-04 Richard Henderson <rth@redhat.com>
8829 Merge from gomp branch:
8830 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8831 via integer constant.
8832 (pragma_lex): Remove.
8833 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8834 rather than parsing it.
8835 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8836 handle_pragma_extern_prefix): Add %< %> quotes.
8837 (registered_pragmas): New.
8838 (c_register_pragma_1): New.
8839 (c_register_pragma): Use it.
8840 (c_register_pragma_with_expansion): Likewise.
8841 (c_invoke_pragma_handler): New.
8842 (init_pragma): Use cpp_register_deferred_pragma directly for
8844 * c-pragma.h (enum pragma_kind): New.
8845 (pragma_handler): New.
8846 (c_invoke_pragma_handler): Declare.
8847 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8849 * c-common.h (c_common_pch_pragma): Update decl.
8850 * Makefile.in (c-parser.o): Update dependencies.
8851 (GTFILES): Add c-pragma.h.
8852 * c-parser.c (struct c_token): Add pragma_kind.
8853 (struct c_parser): Add in_pragma.
8854 (c_lex_one_token): Always initialize keyword and pragma_kind.
8855 Extract data for CPP_PRAGMA.
8856 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8857 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8858 Don't allow CPP_PRAGMA_EOL if in_pragma.
8859 (c_parser_consume_pragma): New.
8860 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8861 (c_parser_skip_to_end_of_parameter): Likewise.
8862 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8863 (c_parser_skip_to_pragma_eol): New.
8864 (c_parser_external_declaration): Handle CPP_PRAGMA.
8865 (c_parser_compound_statement_nostart): Likewise.
8866 (c_parser_statement_after_labels): Likewise.
8867 (c_parser_pragma): New.
8868 (pragma_lex): Likewise.
8869 (c_parser_pragma_pch_preprocess): New.
8870 (c_parser_new): Merge into ...
8871 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8873 2006-01-04 Jeff Law <law@redhat.com>
8876 * tree-cfg.c (bsi_replace): Remove the original statement
8877 from the EH throw statement table.
8879 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8881 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8882 make the prototype extern "C" and add throw ().
8885 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8886 and pos non-negative and pos + len <= 32.
8887 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8888 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8889 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8892 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8893 as well as sizes not multiple of component size.
8896 * function.c (instantiate_expr): New function.
8897 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8898 walk its DECL_VALUE_EXPR with instantiate_expr.
8900 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8901 DW_OP_deref{,_size} if address isn't going to be added.
8903 2006-01-04 Ben Elliston <bje@au.ibm.com>
8905 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8906 * config/fp-bit.c: Likewise.
8908 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8910 * dominance.c: Add comment about why we use DFS numbering
8913 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8914 Richard Henderson <rth@redhat.com>
8916 Merge from gomp-branch:
8917 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8918 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8920 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8922 PR rtl-optimization/25578
8923 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8924 pass a parameter to simplify_shift_const if changing ASHIFTRT
8927 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8929 * builtins.c (get_builtin_sync_mem): New function.
8930 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8931 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8932 Call get_builtin_sync_mem to generate mem rtx.
8934 2006-01-03 Richard Guenther <rguenther@suse.de>
8937 * stmt.c (add_case_node): Make sure to clear overflow flags
8940 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8942 Merge from gomp-branch.
8943 * config/sparc/sync.md: New file.
8944 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8945 UNSPECV_LDSTUB): New constants.
8946 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8947 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8948 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8951 2006-01-03 Roger Sayle <roger@eyesopen.com>
8953 * combine.c (reg_subword_p): New predicate to test whether the
8954 destination of a set refers to a subword/piece of a register.
8955 (try_combine): Generalize the code to merge the setting of a
8956 pseudo to a constant followed by a set of a subword of that
8957 register to a constant.
8959 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8961 * basic-block.h (control_flow_graph): Change the type of
8962 x_label_to_block_map to VEC(basic_block,gc) *.
8963 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8964 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8966 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8967 VEC(basic_block,heap) *.
8968 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8969 ssa_prop_fini): Adjust the uses of cfg_blocks.
8971 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8973 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8975 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8976 hashing trees instead of a pointer hash.
8977 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8978 compare for MEM_EXPR.
8980 PR rtl-optimization/25130
8981 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8982 when comparing MEMs for GCSE
8984 2006-01-03 Ben Elliston <bje@au.ibm.com>
8986 * targhooks.h (default_decimal_float_supported_p): Declare.
8987 * targhooks.c (default_decimal_float_supported_p): Define.
8988 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8989 `default_decimal_float_supported_p'.
8990 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8992 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8994 * combine.c (apply_distributive_law <SUBREG>): Check
8995 TRULY_NOOP_TRUNCATION.
8997 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8999 * dwarf2out.c (have_switched_text_section): Delete.
9000 (have_multiple_function_sections): New.
9001 (have_location_lists): Make 'bool'.
9002 (add_AT_loc_list): Use 'true' not '1'.
9003 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9004 (output_loc_list): Use have_multiple_function_sections.
9005 (output_ranges): Likewise.
9006 (dwarf2out_begin_function): Set have_multiple_function_sections if
9008 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9009 Check function_section rather than DECL_SECTION_NAME.
9010 (dwarf2out_finish): Use have_multiple_function_sections.
9011 Don't clear have_location_lists.
9013 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9014 Jan Hubicka <jh@suse.cz>
9016 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9017 case of conditional jump jumping to the next instruction.
9018 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9019 cases of conditional jump jumping to the next instruction.
9021 2006-01-02 Jan Hubicka <jh@suse.cz>
9023 * i386.c (*_cost): Add COSTS_N_INSNS.
9024 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9026 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9029 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9031 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9033 * config/arm/arm.c (all_fpus): Fix comment typo.
9034 * config/darwin.c: Likewise.
9035 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9036 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9037 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9039 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9041 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9042 (rs6000_split_compare_and_swapqhi): New.
9043 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9044 (sync_compare_and_swapqhi_internal): New.
9045 * config/rs6000/rs6000-protos.h: Declare.