1 2006-04-04 Matthias Klose <doko@debian.org>
3 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7 * doc/extend.texi (Function Attributes): Rewrite visibility
8 attribute documentation.
9 * doc/invoke.texi (C++ Dialect Options): Rewrite
10 -fvisibility-inlines-hidden documentation to describe something
11 entirely different, although in practise compatible.
12 (Code Gen Options): Warn about system headers in -fvisibiltity=
15 * doc/extend.texi (Other Builtins): Document that
16 __builtin_nan is a compile-time constant only when its argument
19 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
21 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
22 trying to remove TRUNCATE check if all bits outside the new mode
23 are identical to the sign bit.
25 2006-04-03 Jeff Law <law@redhat.com>
27 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
28 and operand scanning in some common cases.
30 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
31 Dale Johannesen <dalej@apple.com>
34 * regclass.c (struct reg_pref): Update documentation.
35 (regclass): Set prefclass to NO_REGS if memory is the best option.
36 (record_reg_classes): Cope with a prefclass set to NO_REGS.
37 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
38 into account. For non-registers, equate an empty preferred
39 reload class to a `!' in the constraint; move the if clause to
40 do so after those that reject the insn.
41 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
43 (find_dummy_reload): Likewise.
44 * doc/tm.texi (Register Classes): Document what it means
45 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
46 * config/i386/i386.c (ix86_preferred_reload_class): Force
47 using SSE registers (and return NO_REGS for floating-point
48 constants) if math is done with SSE.
49 (ix86_preferred_output_reload_class): New.
50 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
51 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
52 * config/i386/i386.md: Remove # register preferences.
54 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
57 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
58 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
60 (instantiate_parameters_1): Convert the operands before calling
61 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
62 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
64 2006-04-02 Roger Sayle <roger@eyesopen.com>
66 * builtins.c (dummy_object): Use build_int_cst instead of convert.
67 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
69 * dojump.c (do_jump): Likewise.
70 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
71 * gimplify.c (gimple_boolify, gimplify_init_constructor,
72 gimplify_boolean_expr): Likewise.
73 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
74 * varasm.c (array_size_for_constructor): Likewise.
75 * tree-object-size.c (compute_object_offset): Likewise.
77 2006-04-02 Roger Sayle <roger@eyesopen.com>
80 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
81 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
83 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
85 PR tree-optimization/26939
86 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
88 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
90 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
91 at_stmt. Convert the type of operands before calling
92 build_polynomial_chrec.
93 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
95 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
96 (instantiate_parameters_1): Convert the type of operands before calling
97 build_polynomial_chrec.
98 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
99 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
100 reset_evolution_in_loop): Insert asserts to check the types of the
102 (chrec_type): Moved...
103 (eq_evolutions_p): Use operand_equal_p.
104 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
105 the types of the operands.
106 (chrec_type): ...here.
107 * tree-data-ref.c (create_data_ref): Convert the operands before
108 calling chrec_replace_initial_condition.
109 (same_access_functions, analyze_subscript_affine_affine,
110 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
111 (compute_subscript_distance, analyze_ziv_subscript,
112 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
113 analyze_miv_subscript): Convert the operands before calling
114 chrec_fold_minus or chrec_fold_plus.
116 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
118 * tree-data-ref.c (compute_all_dependences): Use a pointer to
119 the dependence_relations vector.
120 (compute_data_dependences_for_loop): Adjust call to
121 compute_all_dependences.
123 2006-04-01 Roger Sayle <roger@eyesopen.com>
124 Richard Henderson <rth@redhat.com>
126 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
127 gimple_boolify on the condition before calling gimplify_expr.
129 2006-03-31 Bob Wilson <bob.wilson@acm.org>
131 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
132 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
133 the frame size. Update to use the new macros.
134 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
135 * config/xtensa/ieee754-df.S: Likewise.
137 2006-03-31 Richard Henderson <rth@redhat.com>
139 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
140 (make_edges): ... here. Control fallthru creation with a local
141 variable. Do not play with fake edges.
142 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
143 (make_goto_expr_edges): Don't play with fake edges. Make for_call
146 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
148 * dwarf2.h (DW64_CIE_ID): Define.
149 * dwarf2out.c (DWARF_CIE_ID): Define.
150 (output_call_frame_info): Output 0xffffffff before standard 8-byte
151 length header. Use DWARF_CIE_ID.
152 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
153 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
155 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
157 * config/sh/linux-atomic.asm: New file.
158 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
160 2006-03-31 DJ Delorie <dj@redhat.com>
162 * config/m32c/cond.md: Set condition flags properly throughout.
163 * config/m32c/minmax.md: Likewise.
164 * config/m32c/prologue.md: Likewise.
165 * config/m32c/bitops.md: Likewise.
166 * config/m32c/muldiv.md: Likewise.
167 * config/m32c/mov.md: Likewise.
168 * config/m32c/addsub.md: Likewise.
169 * config/m32c/m32c.md: Likewise.
170 * config/m32c/jump.md: Likewise.
171 * config/m32c/shift.md: Likewise.
173 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
174 conditionally output the pattern for this.
175 * config/m32c/m32c.c (flags_needed_for_conditional): New.
176 (m32c_compare_redundant): New.
177 (m32c_output_compare): New.
178 * config/m32c/m32c-protos.h (m32c_output_compare): New.
180 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
181 dest, not src. Allow other 4-byte modes.
183 2006-03-30 Denis Chertykov <denisc@overta.ru>
185 * doc/md.texi: Refer to avr/constraints.md instead of
188 2006-03-30 Roger Sayle <roger@eyesopen.com>
190 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
191 signed vs. unsigned comparison failures on some hosts.
193 2006-03-31 Alan Modra <amodra@bigpond.net.au>
196 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
197 change to FLOAT_REGS.
199 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
200 (rs6000_override_options): Use it.
201 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
202 only for -mabi=spe/no-spe and -mabi=altivec.
204 2006-03-30 Geoffrey Keating <geoffk@apple.com>
206 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
209 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
211 * Makefile.in: Rename docdir to gcc_docdir.
213 2006-03-30 Roger Sayle <roger@eyesopen.com>
216 * expr.c (emit_group_store): Optimize group stores into a pseudo
217 register by using a paradoxical subreg to initialize the destination
218 if the first or last member of the group specifies a "low part".
220 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
223 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
224 * target.h (struct gcc_target.speculate_insn): Change type of the
225 second parameter to 'int'.
226 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
227 the second operand of the DEPS_LIST.
228 (copy_DEPS_LIST_list): Update reference to the second operand of the
230 * rtl.h (alloc_DEPS_LIST): Update signature.
231 * sched-int.h (ds_t): Change typedef to 'int'.
232 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
234 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
236 * haifa-sched.c (try_ready): Change condition to restore
237 non-speculative pattern of the instruction.
238 (process_insn_depend_be_in_spec): Code to keep probability of the
239 speculative dependence non-decreasing.
241 2006-03-30 Jie Zhang <jie.zhang@analog.com>
243 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
244 (single_move_for_movmem): ... this. Also change all uses.
245 (bfin_expand_strmov): Renamed to...
246 (bfin_expand_movmem): ... this. Also change all uses.
247 * config/bfin/bfin.md (movstrsi): Renamed to...
250 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
252 PR tree-optimization/26830
254 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
255 (copy_prop_visit_stmt): Remove write-only variable ann.
256 (init_copy_prop): Check variable loop depth here. Do not simulate
257 memory-tag and virtual operand PHIs except for store copy prop.
259 2006-03-30 Richard Guenther <rguenther@suse.de>
261 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
262 variants with double arguments.
264 2006-03-29 David Edelsohn <edelsohn@gnu.org>
266 * genpreds.c (write_tm_constrs_h): Delete variable p.
267 * genconditions.c (write_header): Add tm-constrs.h to included
269 * genpeep.c (main): Add toplev.h to included headers.
270 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
271 (build/genpeep.o): Add toplev.h dependency.
272 * config/rs6000/constraints.md: Add "W" constraint.
274 2006-03-29 Roger Sayle <roger@eyesopen.com>
276 * stor-layout.c (mode_for_size_tree): Remove restiction on type
277 sizes by correctly testing whether the size fits a host integer.
278 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
279 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
280 SImode range for the default sizetype and bitsizetype.
282 2006-03-29 Roger Sayle <roger@eyesopen.com>
284 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
285 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
286 quickly if the argument is already of the correct type.
287 Call fold_build1 instead of build1. Tidy up blank lines.
289 2006-03-29 David Edelsohn <edelsohn@gnu.org>
291 * genemit.c (main): Add tm-constrs.h to included headers.
292 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
293 * genpeep.c (main): Add tm-constrs.h to included headers.
294 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
295 (write_tm_constrs_h): this and write complete file.
296 (write_tm_preds_h): Do not emit satisfies_constraint fns.
297 (write_insn_preds_c): Add tm-constrs.h to included headers.
298 (gen_constrs): New variable.
299 (parse_option): Parse "-c".
300 (main): Invoke write_tm_constrs_h.
301 * genrecog.c (write_header): Add tm-constrs.h to included headers.
302 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
303 (object_out_file): Add tm-constrs.h dependency.
305 (insn-output.o): Same.
307 (insn-preds.o): Same.
308 (insn-recog.o): Same.
309 (tm-constsr.h): New target.
310 (s-constrs-h): New target.
312 * config/rs6000/constraints.md: New file.
313 * config/rs6000/rs6000.c: Include tm-constrs.h.
314 (num_insn_constant_wide): Convert to satisfies_constraint.
315 (rs6000_rtx_costs): Convert to satisfies_constraint.
316 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
317 (CONST_OK_FOR_LETTER_P): Delete.
318 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
319 (EXTRA_CONSTRAINT): Delete.
320 (EXTRA_MEMORY_CONSTRAINT): Delete.
321 (EXTRA_ADDRESS_CONSTRAINT): Delete.
322 * config/rs6000/predicates.md: Convert to satisfies_constraint.
323 * config/rs6000/rs6000.md: Include constraints.md. Convert to
324 satisfies_constraint.
326 * config/i386/i386.c: Include tm-constrs.h.
328 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
330 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
331 * tree-data-ref.c (find_data_references_in_loop,
332 compute_data_dependences_for_loop): Use pointers to VEC.
333 (analyze_all_data_dependences): Adjust calls.
334 * tree-data-ref.h (find_data_references_in_loop,
335 compute_data_dependences_for_loop): Adjust declarations.
336 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
337 compute_data_dependences_for_loop.
339 2006-03-29 Paul Brook <paul@codesourcery.com>
341 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
344 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
346 PR tree-optimization/26859
347 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
349 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
350 for the step after fold_convert.
352 2006-03-29 Paul Brook <paul@codesourcery.com>
354 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
355 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
357 2006-03-29 Paul Brook <paul@codesourcery.com>
360 * targhooks.c (default_narrow_bitfield): New fuction.
361 * targhooks.h (default_narrow_bitfield): add prototype.
362 * target.h (gcc_target): Add narrow_volatile_bitfield.
363 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
364 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
365 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
366 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
368 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
370 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
372 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
373 (NR_C_MODES): Add TDmode, DDmode and SDmode.
374 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
375 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
376 (s390_function_arg_float): Allow SDmode and DDmode values to be
377 passed in floating point registers.
378 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
379 check with SCALAR_FLOAT_MODE_P.
380 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
382 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
384 PR tree-optimization/25985
385 * tree-ssa-loop-niter.c (number_of_iterations_le,
386 number_of_iterations_ne): Make comments more precise.
387 (number_of_iterations_cond): Add only_exit argument. Use the
388 fact that signed variables do not overflow only when only_exit
390 (loop_only_exit_p): New.
391 (number_of_iterations_exit): Pass result of loop_only_exit_p to
392 number_of_iterations_cond.
394 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
396 PR tree-optimization/26643
397 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
400 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
402 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
403 (divsi3_i4_int): Likewise.
405 2006-03-28 Roger Sayle <roger@eyesopen.com>
407 * expr.c (emit_group_store): Only create a new pseudo reg if the
408 quantity it needs to hold isn't already a suitable pseudo.
410 2006-03-28 Jeff Law <law@redhat.com>
412 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
413 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
415 2006-03-28 Roger Sayle <roger@eyesopen.com>
417 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
418 the equivalent ~X & Y, and the symmetry related transformations.
419 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
420 ~X & Y, and symmetry related transforms.
422 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
424 Revert my 2006-03-27 patches.
426 2006-03-28 Roger Sayle <roger@eyesopen.com>
428 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
429 ~(T1)X, when T1 and T2 are integer types of the same precision
430 and (T2)X isn't an extension.
432 2006-03-28 Jeff Law <law@redhat.com>
434 PR tree-optimization/26796
435 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
436 need EH edge cleanups rather than purging them immediately.
437 (eliminate_degenerate_phis): Handle queued EH cleanups.
439 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
441 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
444 2006-03-27 Roger Sayle <roger@eyesopen.com>
447 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
448 cast BIT_NOT_EXPR operand to the correct type.
450 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
452 * tree-loop-linear.c: Don't include varray.h.
453 (gather_interchange_stats, try_interchange_loops,
454 linear_transform_loops): Use VEC instead of VARRAY.
455 * lambda-mat.c: Don't include varray.h.
456 * tree-chrec.c: Same.
457 * lambda-trans.c: Same.
458 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
459 VEC instead of VARRAY.
460 * tree-vectorizer.h: Idem.
461 * tree-data-ref.c (dump_data_references,
462 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
463 initialize_data_dependence_relation, finalize_ddr_dependent,
464 compute_all_dependences, find_data_references_in_loop,
465 compute_data_dependences_for_loop, analyze_all_data_dependences,
466 free_dependence_relation, free_dependence_relations,
467 free_data_refs): Idem.
468 * tree-data-ref.h (data_reference_p, subscript_p): New.
469 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
470 VEC instead of VARRAY.
471 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
472 (find_data_references_in_loop, compute_data_dependences_for_loop,
473 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
474 dump_data_dependence_relations, free_dependence_relations,
475 free_data_refs): Adjust declaration.
476 (lambda_transform_legal_p): Move declaration here...
477 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
478 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
479 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
480 vect_analyze_data_refs): Use VEC instead of VARRAY.
481 * lambda.h (lambda_transform_legal_p): ...from here.
482 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
483 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
484 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
485 tree-chrec.o): Don't depend on VARRAY_H.
487 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
489 * rtl.def (Copyright): Update date.
490 (DEPS_LIST): Change type of the second operand to 'int'.
491 * target.h (Copyright): Update date.
492 (struct gcc_target.speculate_insn): Change type of the second parameter
494 * lists.c (Copyright): Update date.
495 (alloc_DEPS_LIST): Change signature. Update reference to the second
496 operand of the DEPS_LIST.
497 (copy_DEPS_LIST_list): Update reference to the second operand of the
499 * rtl.h (Copyright): Update date.
500 (alloc_DEPS_LIST): Update signature.
501 * sched-int.h (Copyright): Update date.
502 (ds_t): Change typedef to 'int'.
503 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
505 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
507 * haifa-sched.c (Copyright): Update date.
508 (try_ready): Change condition to restore non-speculative pattern
510 (process_insn_depend_be_in_spec): Code to keep probability of the
511 speculative dependence non-decreasing.
513 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
515 * regrename.c (replace_oldest_value_addr): Initialize a variable to
516 shut up the compiler.
518 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
520 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
521 to use lib prefix for target.
522 ($(T)libic_invalidate_array_4-200.a): Likewise.
523 ($(T)libic_invalidate_array_4a.a): Likewise.
525 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
526 J"orn Rennecke <joern.rennecke@st.com>
528 * superh.opt: New file.
529 * sh.c (boardtype, osruntime): Remove.
530 * superh.h (SUBTARGET_OPTIONS): Remove.
531 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
533 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
534 arguments with ^ and/or [].
536 * config.gcc (sh-*-*): Add quoting to account for quirk of
538 Replace == with = in enable_incomplete_targets test.
540 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
541 with MASK_LITTLE_ENDIAN.
543 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
544 * config/sh/sh.opt: Added to some comments.
545 * config/sh/superh.h: Removed some chaff.
547 * config/sh/sh.opt: Add m4-[1234]00* options.
548 * config/sh/sh.c (sh_handle_option): Likewise.
549 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
550 (ic_invalidate_array_4-100.o): New rule.
551 ($(T)libic_invalidate_array_4-100.a): Likewise.
552 (ic_invalidate_array_4-200.o): Likewise.
553 ($(T)libic_invalidate_array_4-200.a): Likewise.
554 (ic_invalidate_array_4a.o): Likewise.
555 ($(T)libic_invalidate_array_4a.a): Likewise.
556 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
557 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
559 * config/sh/crt1.asm: Merged in profiling code.
560 * config/sh/superh.h (STARTFILE_SPEC): Override.
561 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
562 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
563 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
565 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
566 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
567 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
569 * sh.opt (mpretend-cmove): New option.
570 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
571 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
572 (movsicc): Add TARGET_PRETEND_CMOVE code.
574 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
576 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
577 s390_class_max_nregs): New function prototypes.
578 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
579 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
580 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
581 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
583 2006-03-26 Geoffrey Keating <geoffk@apple.com>
585 * dwarf2out.c (add_location_or_const_value_attribute): Call
586 tree_add_const_value_attribute if nothing else works.
587 (reference_to_unused): New.
588 (rtl_for_decl_init): Use reference_to_unused to decide whether
589 to output an initializer.
591 2006-03-27 Alan Modra <amodra@bigpond.net.au>
594 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
595 peephole removing spe frob_di_df_2.
597 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
599 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
600 (subscript_dependence_tester_1): Declared.
601 (print_dir_vectors, print_dist_vectors): New.
602 (debug_data_dependence_relation): New.
603 (dump_data_dependence_relation): Print more details.
604 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
605 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
606 (save_dist_v, save_dir_v, add_outer_distances,
607 build_classic_dist_vector_1): New.
608 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
609 Don't test for lambda_vector_lexico_pos.
610 (same_access_functions, add_multivariate_self_dist,
611 add_other_self_distances, dir_from_dist): New.
612 (build_classic_dir_vector): Replace implementation almost identical to
613 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
615 (subscript_dependence_tester_1): New.
616 (subscript_dependence_tester): Handle the lexicographically negative
617 distance vectors by recomputing the dependence relation.
618 (compute_affine_dependence): Remove parameter loop_nest_depth.
619 (compute_self_dependence): Don't call compute_subscript_distance.
620 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
621 Add a parameter for the loop_nest.
622 (find_loop_nest_1, find_loop_nest): New.
623 (compute_data_dependences_for_loop): Compute the loop nest, and give
624 up if the nest is not well formed.
625 * tree-data-ref.h (loop_p): New.
626 (struct data_dependence_relation): Replace size_vect field with
627 loop_nest, a vec of loops.
628 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
629 (DDR_LOOP_NEST): New.
630 (print_dir_vectors, print_dist_vectors,
631 debug_data_dependence_relation): Declared.
632 (index_in_loop_nest): New.
633 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
634 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
637 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
639 * simplify-rtx.c (simplify_relational_operation): Call
640 simplify_relational_operation_1 even if mode is VOIDmode.
642 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
644 PR tree-optimization/26804
645 * tree.h (DECL_CALL_CLOBBERED): New macro.
646 (tree_decl_common): Add call_clobbered_flag.
647 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
648 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
649 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
650 (mark_non_addressable): Ditto.
651 * tree-ssa.c (verify_call_clobbered): New function.
652 (verify_alias_info): Use it.
653 * tree-pass.h (pass_reset_cc_flags): New prototype.
654 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
655 (reset_cc_flags): New function.
656 * passes.c (init_optimization_passes): Call reset_cc_flags after
657 initializing referenced_vars.
659 2006-03-25 Uros Bizjak <uros@kss-loka.si>
660 Roger Sayle <roger@eyesopen.com>
663 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
664 to 1.0 for non-real operands. Implement A / A optimization for
667 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
669 * config/i386/i386.c (size_cost): Correct the comment for
670 cost of storing fp registers.
671 (i386_cost): Likewise.
672 (i486_cost): Likewise.
673 (pentium_cost): Likewise.
674 (pentiumpro_cost): Likewise.
676 (athlon_cost): Likewise.
678 (pentium4_cost): Likewise.
679 (nocona_cost): Likewise.
680 (generic64_cost): Likewise.
681 (generic32_cost): Likewise.
683 2006-03-24 Denis Chertykov <denisc@overta.ru>
685 * config/avr/avr-protos.h (extra_constraint): Delete.
686 (extra_constraint_Q): New declaration.
687 * config/avr/constraints.md: New file.
688 * config/avr/avr.md: Include it.
689 (REG_X, REG_Y, REG_Z, REG_W): New constants.
690 (TMP_REGNO, ZERO_REGNO): Likewise.
691 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
692 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
693 (extra_constraint): Delete.
694 (extra_constraint_Q): Test for memory constraint 'Q'.
695 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
696 (REG_CLASS_FROM_LETTER): Delete.
697 (CONST_OK_FOR_LETTER_P): Delete.
698 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
699 (EXTRA_CONSTRAINT): Delete.
701 (ZERO_REGNO): Delete.
703 2006-03-24 Jeff Law <law@redhat.com>
705 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
706 directly. Call mark_new_vars_to_rename slightly earlier.
708 2006-03-24 Geoffrey Keating <geoffk@apple.com>
710 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
712 (gen_compile_unit_die): Use new language types for Objective-C and
714 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
718 * config/t-darwin (crt3.o): Work around bug 26840.
719 * config/darwin-crt3.c: Rewrite.
720 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
722 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
724 * doc/invoke.texi: Document -femit-class-debug-always
725 * common.opt: Add -femit-class-debug-always.
727 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
729 * config/s390/s390.c (s390_decompose_address): Allow SImode for
730 index and base register.
731 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
732 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
733 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
734 REGNO_OK_FOR_INDEX_P.
735 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
737 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
738 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
739 REG_OK_FOR_BASE_P): Definitions removed.
741 2006-03-24 Jakub Jelinek <jakub@redhat.com>
744 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
745 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
746 set yet or weren't marked as local yet.
748 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
750 * regrename.c (scan_rtx_address): Initialize a variable to shut up
753 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
755 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
756 (rs6000_legitimate_small_data_p): Delete.
757 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
758 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
759 and make static. Add forward declaration. Update uses.
760 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
761 of offsettable_memref_p.
762 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
763 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
765 2006-03-24 Jeff Law <law@redhat.com>
767 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
768 around bug in immediate-use iterator.
770 2006-03-24 Alan Modra <amodra@bigpond.net.au>
773 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
774 or __LITTLE_ENDIAN__.
776 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
778 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
779 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
780 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
781 * config/sh/sh.opt (mdiv=): Amend description.
782 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
783 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
784 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
785 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
786 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
787 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
788 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
789 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
790 TARGET_DIVIDE_CALL_FP.
792 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
794 * haifa-sched.c (choose_ready): Fix type of the local variable.
795 Move local variables. Add comment.
796 (check_reg_live): Change signature. Make callable from debugger.
797 * sched-int.h (check_reg_live): Update signature.
798 * sched-ebb.c (check_reg_live): Update parameters.
799 * sched-rgn.c (check_reg_live): Ditto.
800 (region_head_or_leaf_p): Check pointer before dereferencing.
801 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
802 before reload on optimization levels below 1.
804 2006-03-23 Richard Henderson <rth@redhat.com>
806 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
810 * config/alpha/predicates.md (local_symbolic_operand): Reject
813 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
816 * tree-ssa-pre.c (create_value_expr_from): Don't reject
817 expressions which have overflowed constants.
819 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
821 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
823 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
825 * cfgloopmanip.c (create_loop_notes): Removed.
826 * final.c (final_scan_insn): Do not handle loop notes.
827 * jump.c (squeeze_notes): Ditto.
828 * cfglayout.c (skip_insns_after_block,
829 duplicate_insn_chain): Ditto.
830 * cfgcleanup.c (rest_of_handle_jump2): Do not call
832 * cfgloop.h (create_loop_notes): Declaration removed.
834 2006-03-23 Richard Sandiford <richard@codesourcery.com>
836 * varasm.c (output_constant_pool): Restore fnname and fndecl
838 (assemble_start_function): Adjust call accordingly.
839 (assemble_end_function): Likewise.
841 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
844 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
847 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
849 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
852 * system.h (ICE_EXIT_CODE): New macro.
853 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
854 (diagnostic_action_after_output): Likewise.
855 * gcc.c (fatal_ice): New function.
856 (execute): Use it instead of fatal.
857 (fancy_abort): Likewise.
858 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
860 2006-03-22 Jeff Law <law@redhat.com>
862 * loop-unroll.c (analyze_iv_to_split_insn): Handle
863 iv_analyze_result returning false.
865 2006-03-22 Jie Zhang <jie.zhang@analog.com>
867 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
869 2006-03-22 Richard Henderson <rth@redhat.com>
872 * except.c (duplicate_eh_regions_0): New.
873 (duplicate_eh_region_1): Duplicate the children of the node as
874 well as the node itself. Link them up properly.
875 (duplicate_eh_region_2): Merge into ...
876 (duplicate_eh_regions): ... here. Take copy_region argument, and
877 copy only a sub-tree if asked. Simplify copying and fixup.
878 (eh_region_outer_p): New.
879 * except.h (duplicate_eh_regions): Update decl.
880 (eh_region_outer_p): Declare.
881 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
882 (lower_omp_master): Likewise.
883 (lower_omp_ordered): Likewise.
884 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
885 (move_stmt_r): Use it to remap labels. Handle recursion vs
886 remap_decls_p properly.
887 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
888 (find_outermost_region_in_block): New.
889 (new_label_mapper): New.
890 (move_sese_region_to_fn): Copy eh information to the new function
892 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
894 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
897 2006-03-22 Richard Sandiford <richard@codesourcery.com>
899 * doc/md.texi (-mshared): Mention that -mshared code can be linked
900 into shared libraries.
902 2006-03-22 Richard Sandiford <richard@codesourcery.com>
904 * doc/md.texi: Refer to i386/constraints.md instead of
906 * config/i386/constraints.md: New file, extracted from...
907 * config/i386/predicates.md: ...here.
908 * config/i386/i386.md: Include constraints.md.
910 2006-03-21 Jason Merrill <jason@redhat.com>
912 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
915 * expr.c (init_block_move_fn): Force default visibility.
916 (init_block_clear_fn): Likewise.
917 * builtins.c (expand_builtin_fork_or_exec): Likewise.
918 * targhooks.c (default_external_stack_protect_fail): Likewise.
920 2006-03-21 Richard Sandiford <richard@codesourcery.com>
922 * config/mips/predicates.md (const_call_insn_operand): Allow direct
923 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
924 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
925 Use TARGET_OLDABI instead of !TARGET_NEWABI.
926 (loadgp): Use mips_current_loadgp_style.
927 (loadgp_noshared): New pattern.
928 (sibcall_internal): Use MIPS_CALL.
929 (sibcall_value_internal): Likewise.
930 (sibcall_value_multiple_internal): Likewise.
931 (call_internal): Likewise.
932 (call_value_internal): Likewise.
933 (call_value_multiple_internal): Likewise.
934 (call_split): Use MIPS_CALL and add an 'S' constraint.
935 (call_value_split): Likewise.
936 (call_value_multiple_split): Likewise.
937 * config/mips/mips.opt (-mabicalls): Tweak docstring.
938 (-mshared): New option.
939 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
940 (mips_current_loadgp_style): Declare.
941 * config/mips/mips.c (mips_classify_symbol): Avoid using
942 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
943 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
944 TARGET_ABSOLUTE_ABICALLS.
945 (override_options): Adjust comments. Improve the warning that is
946 issued when -mabicalls and -G are used together.
947 (mips_file_start): Remove comment.
948 (mips_current_loadgp_style): New function.
949 (mips_gnu_local_gp): New variable.
950 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
952 (mips_output_function_prologue): Use mips_current_laodgp_style.
953 (mips_expand_prologue): Call mips_emit_loadgp before emitting
954 the cprestore instruction.
955 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
956 live for TARGET_ABSOLUTE_ABICALLS.
957 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
958 (ASM_SPEC): Pass down -mshared and -mno-shared.
959 (MIPS_CALL): New macro.
960 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
962 * doc/invoke.texi (-mabicalls): Update documentation.
963 (-mshared): Document.
965 2006-03-21 Steve Ellcey <sje@cup.hp.com>
967 * config/ia64/unwind-hpux.c: New file.
968 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
970 2006-03-21 Steve Ellcey <sje@cup.hp.com>
973 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
975 2006-03-21 Jeff Law <law@redhat.com>
977 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
978 type conversions of a VR_VARYING source to a wider type.
980 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
982 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
983 tm_file on Solaris 10 and later.
984 (sparc64-*-solaris2*): Likewise.
985 (sparc-*-solaris2*): Likewise.
986 * config/sol26.h: Rename to config/sol2-6.h.
987 * config/sol2-10.h: New file.
989 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
992 * tree-ssa-pre.c (create_component_ref_by_pieces):
995 2006-03-21 Jakub Jelinek <jakub@redhat.com>
998 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
999 return it immediately.
1001 2006-03-21 Michael Matz <matz@suse.de>
1003 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1005 (remove_arc, add_arc): Update num_out_arcs member.
1006 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1008 (cache_presence): New function.
1009 (compare_states_for_equiv): New function.
1010 (state_is_differed): Don't take number of outargs, adjust callers.
1011 Use new invariant for speeding up.
1012 (init_equiv_class): Create initial classes based on sorted
1014 (partition_equiv_class): Don't track out_arcs_num.
1015 (evaluate_equiv_classes): Call cache_presence on all states and
1018 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1020 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1021 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1022 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1023 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1025 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1026 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1027 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1028 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1029 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1031 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1032 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1033 (REGNO_REG_CLASS): ARGP is in PREGS.
1034 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1036 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1037 to deal with those addresses.
1038 * addresses.h: New file.
1039 * caller-save.c: Include "addresses.h".
1040 (init_caller_save): Use new base_reg_class function.
1041 * rtl-factoring.c: Include "addresses.h".
1042 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1043 * recog.c: Include "addresses.h".
1044 (preprocess_constraints): Use new base_reg_class function.
1045 * regrename.c: Include "addresses.h".
1046 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1047 functions. Keep track of a new var INDEX_CODE to compute valid
1049 (replace_oldest_value_addr): Likewise.
1050 (replace_oldest_value_mem): Use base_reg_class.
1051 * reload.c: Include "addresses.h".
1052 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1053 (find_reloads): Use new base_reg_class function.
1054 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1055 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1056 all callers and prototype changed.
1057 * reload1.c: Include "addresses.h".
1058 (maybe_fix_stack_asms): Use base_reg_class.
1059 * regclass.c: Include "addresses.h".
1060 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1061 (init_reg_autoinc): Use new base_reg_class function.
1062 (record_reg_classes): Likewise.
1063 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1064 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1065 Use new args to compute necessary class.
1067 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1068 regrename.o, rtl-factoring.o): Update dependencies.
1069 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1070 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1071 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1072 REG_OK_FOR_INDEX_P): Delete documentation.
1074 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1076 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1077 from V7 to V9 for Solaris 7 and above.
1079 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1081 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1082 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1083 argument pointers may not alias any other storage.
1084 * common.opt: Define option -fargument-noalias-anything.
1085 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1086 alias semantics is specified by flag_argument_noalias > 2.
1088 2006-03-20 Jeff Law <law@redhat.com>
1090 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1091 (pass_phi_only_cprop): Declare.
1092 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1094 * tree-ssa-dom.c (degenerate_phi_result): New function.
1095 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1096 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1097 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1098 (eliminate_degenerate_phis): Likewise.
1099 (pass_phi_only_cprop): New pass descriptor.
1100 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1101 support code. Callers updated.
1102 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1103 (store_copy_prop): Likewise.
1104 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1106 2006-03-20 Jason Merrill <jason@redhat.com>
1109 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1110 (push_visibility, pop_visibility): Likewise.
1111 * c-pragma.h: Declare them.
1113 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1115 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1117 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1118 parameter and use get_ebb_head_tail.
1119 (sh_md_init_global): Adjust uses of find_regmode_weight.
1121 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1123 * function.h (struct function) <x_tail_recursion_reentry>:
1124 Rename to x_stack_check_probe_note.
1125 (tail_recursion_reentry): Rename to stack_check_probe_note.
1126 * function.c: Replace tail_recursion_reentry with
1127 stack_check_probe_note everywhere.
1128 (expand_function_start): Only emit a note for
1129 stack_check_probe_note with -fstack-protect.
1130 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1132 * emit-rtl.c (remove_unnecessary_notes): Remove.
1133 (pass_remove_unnecessary_notes): Remove.
1134 * rtl.h (remove_unnecessary_notes): Remove prototype.
1135 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1136 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1137 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1139 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1142 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1143 (valid_in_set): Handle ARRAY_REF.
1144 Change "if min_variant or VH" to asserts.
1145 (create_component_ref_by_pieces): Handle ARRAY_REF.
1146 (create_expression_by_pieces): Likewise.
1147 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1149 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1151 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1152 is operand of switch, not str[0].
1154 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1156 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1157 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1159 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1161 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1162 end of insn_extra_address_constraint declaration.
1164 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1166 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1167 (no-sum-in-toc): Same.
1168 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1170 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1171 NO_FP_IN_TOC for -fPIC instead of mask.
1173 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1174 (BOOT_LDFLAGS): Delete.
1176 * config/rs6000/t-aix52: Same.
1178 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1179 (stmsi[345678]_power): New.
1181 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1183 * config/ia64/ia64.opt: Add empty line to end of file.
1185 2006-03-17 Richard Guenther <rguenther@suse.de>
1188 * builtins.c (get_pointer_alignment): For component style references
1189 adjust alignment to the component type alignment. Make sure
1190 to adjust alignment for component access of constants.
1192 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1194 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1197 2006-03-17 Paul Brook <paul@codesourcery.com>
1199 * doc/install.texi: Docuemnt --with-mode.
1200 * config.gcc: Add --with-mode for arm*-*-*.
1201 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1203 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1205 * sh.c (max_labelno_before_reorg): New variable.
1206 (sh_reorg): Initialize it.
1207 (find_barrier): Check max_labelno_before_reorg before using
1208 label_to_alignment. Take length of explicit alignment insns
1209 into account. When seeing a UNSPECV_CONST_END, return it.
1211 * sh.c (fixup_mova): Set mode of affected label to QImode.
1212 (untangle_mova): New function.
1213 (find_barrier): Use it. Check mode of label before decrementing
1215 (sh_reorg): Likewise.
1216 Set mode of all insns back to VOIDmode.
1218 * sh.c (MOVA_LABELREF): New macro.
1219 (mova_p, fixup_mova, sh_reorg): Use it.
1220 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1221 ADDR_DIFF_VEC matches mova.
1223 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1225 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1226 with ATTRIBUTE_UNUSED.
1228 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1230 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1231 pointer, instead of assuming it is possible to derive the
1232 correct args size from a call insn.
1234 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1236 * rtl.h (CONST_INT_P): Define.
1237 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1238 instead of GET_CODE(x) == CONST_INT.
1239 (vax_rtx_costs): Likewise.
1240 (vax_output_int_move): Likewise.
1241 (vax_output_int_add): Likewise.
1242 (legitimate_constant_address_p): Likewise.
1243 (index_term_p): Likewise.
1244 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1245 * config/vax/vax.md (and<mode>3): Likewise.
1246 (ashrsi3): Likewise.
1248 (movstricthi): Likewise.
1249 (movstrictqi): Likewise.
1250 (rotrsi3): Likewise.
1251 (five unnamed insns): Likewise.
1253 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1255 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1256 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1257 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1258 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1259 Pass to ASM_OUTPUT_DWARF_OFFSET.
1260 * dwarf2out.c (debug_frame_section): New.
1261 (output_call_frame_info): Use debug_frame_section. Pass it to
1262 dw2_asm_output_offset.
1263 (output_die): Pass appropriate section to dw2_asm_output_offset.
1264 (output_compilation_unit_header): Likewise.
1265 (output_pubnames): Likewise.
1266 (output_aranges): Likewise.
1267 (enum dw_val_class): Break dw_val_class_lbl_offset into
1268 dw_val_class_lineptr and dw_val_class_macptr.
1269 (add_AT_lbl_offset): Delete.
1270 (add_AT_lineptr): New.
1271 (add_AT_macptr): New.
1272 (AT_lbl): Expect a lineptr or macptr.
1273 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1274 (attr_checksum): Likewise.
1275 (same_dw_val_p): Likewise.
1276 (size_of_die): Likewise.
1277 (value_format): Likewise.
1278 (output_die): Likewise.
1279 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1281 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1282 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1283 * config/darwin-protos.h (darwin_file_start): New.
1284 (darwin_asm_output_dwarf_offset): New.
1285 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1286 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1288 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1289 if not EH section; simplify.
1290 (darwin_file_start): New.
1291 (darwin_asm_output_dwarf_offset): New.
1292 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1294 (DEBUG_INFO_SECTION): Likewise.
1295 (DEBUG_ABBREV_SECTION): Likewise.
1296 (DEBUG_ARANGES_SECTION): Likewise.
1297 (DEBUG_MACINFO_SECTION): Likewise.
1298 (DEBUG_LINE_SECTION): Likewise.
1299 (DEBUG_LOC_SECTION): Likewise.
1300 (DEBUG_PUBNAMES_SECTION): Likewise.
1301 (DEBUG_STR_SECTION): Likewise.
1302 (DEBUG_RANGES_SECTION): Likewise.
1303 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1304 (ASM_OUTPUT_DWARF_OFFSET): New.
1306 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1308 * config.gcc (tm_defines): Always add to previous value rather
1311 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1313 * config/mips/predicates.md (splittable_const_int_operand): New,
1314 split from move_operand.
1315 (splittable_symbolic_operand): New.
1316 (move_operand): Add commentary. Use splittable_const_int_operand.
1317 Inline mips_atomic_symbolic_constant_p.
1318 * config/mips/mips.md: Add combine splitters for handling moves
1319 of splittable_const_int_operands and splittable_symbolic_operands.
1320 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1321 (mips_split_symbol): Declare.
1322 (mips_move_integer): Declare.
1323 * config/mips/mips.c (mips_split_p): Make global.
1324 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1325 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1326 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1327 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1328 (mips_offset_within_object_p): Handle block symbols.
1329 (mips_atomic_symbolic_constant_p): Delete.
1330 (mips_cannot_force_const_mem): Return false for constants that
1331 mips_legitimize_move can handle.
1332 (mips_use_blocks_for_constant_p): New function.
1333 (mips_split_symbol): Make global.
1334 (mips_move_integer): Likewise. Add a temporary register argument.
1335 (mips_legitimize_const_move): Use splittable_const_int_operand and
1336 splittable_symbolic_operand.
1337 (mips_use_anchors_for_symbol_p): New function.
1338 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1339 (mips_split_p): Declare.
1341 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1343 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1344 (mips*-*-linux*): Likewise.
1346 2006-03-16 Roger Sayle <roger@eyesopen.com>
1347 Daniel Speyer <dspeyer@wam.umd.edu>
1350 * tree-dump.c (dump_real): New function.
1351 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1352 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1353 (tree-dump.o): Add $(REAL_H) to the dependencies.
1355 2006-03-16 Roger Sayle <roger@eyesopen.com>
1358 * real.c (real_from_string): If the mantissa is zero, don't bother
1359 parsing the exponent as the result should always be zero.
1361 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1363 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1365 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1367 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1368 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1369 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1370 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1371 ia64_sched_finish_global): New static functions to implement
1372 hooks from gcc_target.sched.
1373 (spec_check_no, max_uid, pending_data_specs): New static variables.
1374 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1375 ia64_spec_check_src_p): New static functions.
1376 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1377 (TARGET_SCHED_ADJUST_COST): Removed.
1378 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1379 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1380 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1381 TARGET_SCHED_GEN_CHECK,
1382 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1383 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1384 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1385 Fixed to handle speculation checks.
1386 (rtx_needs_barrier): Fixed to handle speculative loads and
1388 (ia64_variable_issue): Added code to count speculative loads and their
1390 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1392 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1394 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1396 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1397 (ia64_reorg): Reset stops_p to NULL after it is freed.
1398 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1399 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1400 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1402 (data_speculative, control_speculative, check_load): New attributes.
1403 (mov<mode>_advanced, mov<mode>_speculative,
1404 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1405 zero_extend<mode>di2_speculative,
1406 zero_extend<mode>di2_speculative_advanced): New patterns for
1407 data and control speculative loads.
1408 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1410 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1411 New pattern for data and control speculation checks.
1412 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1413 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1414 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1415 Auxiliary definitions for the patterns.
1416 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1417 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1419 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1421 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1422 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1423 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1424 New resource constraints.
1425 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1427 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1428 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1429 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1430 msched-in-control-spec, msched-ldc, msched-control-ldc,
1431 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1432 msched-prefer-non-control-spec-insns,
1433 msched-count-spec-in-critical-path): New flags to tune speculative
1435 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1436 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1437 msched-in-control-spec, msched-ldc, msched-control-ldc,
1438 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1439 msched-prefer-non-control-spec-insns,
1440 msched-count-spec-in-critical-path): Document new flags.
1442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1444 * target.h (struct spec_info_def): New opaque declaration.
1445 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1446 speculate_insn, needs_block_p, gen_check,
1447 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1448 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1449 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1450 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1451 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1452 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1454 (TARGET_SCHED): Use new macros.
1455 * rtl.h (copy_DEPS_LIST_list): New prototype.
1456 * sched-int.h (struct sched_info): Change signature of new_ready field,
1457 adjust all initializations. New fields: add_remove_insn,
1458 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1459 region_head_or_leaf_p.
1460 (struct spec_info_def): New structure declaration.
1461 (spec_info_t): New typedef.
1462 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1463 recovery_block, orig_pat.
1464 (glat_start, glat_end): New variables declaraions.
1465 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1467 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1468 DETACH_LIFE_INFO, USE_GLAT.
1469 (enum SPEC_SCHED_FLAGS): New enumeration.
1470 (NOTE_NOTE_BB_P): New macro.
1471 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1472 attach_life_info, debug_spec_status, check_reg_live): New functions.
1473 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1474 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1476 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1477 * ddg.c (get_block_head_tail): Adjust all uses.
1478 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1479 (sms_sched_info): Initialize new fields.
1480 (contributes_to_priority): Removed.
1481 * haifa-sched.c (params.h): New include.
1482 (get_block_head_tail): Adjust all uses.
1483 (ISSUE_POINTS): New macro.
1484 (glat_start, glat_end): New global variables.
1485 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1486 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1487 old_last_basic_block, before_recovery, current_sched_info_var,
1488 rgn_n_insns, luid): New static variables.
1489 (insn_cost1): New function. Move logic from insn_cost to here.
1490 (find_insn_reg_weight1): New function. Move logic from
1491 find_insn_reg_weight to here.
1492 (reemit_notes, move_insn, max_issue): Change signature.
1493 (move_insn1): Removed.
1494 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1495 extend_bb): New static functions to support extension of scheduler's
1497 (generate_recovery_code, process_insn_depend_be_in_spec,
1498 begin_speculative_block, add_to_speculative_block,
1499 init_before_recovery, create_recovery_block, create_check_block_twin,
1500 fix_recovery_deps): New static functions to support
1501 generation of recovery code.
1502 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1503 restore_bb_notes, move_block_after_check, move_succs): New static
1504 functions to support ebb scheduling.
1505 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1506 functions to support handling of register live information.
1507 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1508 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1509 add_jump_dependencies): New static functions.
1510 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1511 consistancy checking.
1512 (debug_spec_status): New function to call from debugger.
1513 (priority): Added code to handle speculation checks.
1514 (rank_for_schedule): Added code to distinguish speculative instructions.
1515 (schedule_insn): Added code to handle speculation checks.
1516 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1517 Fixed to handle ebbs.
1518 (move_insn): Added code to handle ebb scheduling.
1519 (max_issue): Added code to use ISSUE_POINTS of instructions.
1520 (choose_ready): Added code to choose between speculative and
1521 non-speculative instructions.
1522 (schedule_block): Added code to handle ebb scheduling and scheduling of
1523 speculative instructions.
1524 (sched_init): Initialize new variables.
1525 (sched_finish): Free new variables. Print statistics.
1526 (try_ready): Added code to handle speculative instructions.
1527 * lists.c (copy_DEPS_LIST_list): New function.
1528 * sched-deps.c (extend_dependency_caches): New function. Move logic
1529 from create_dependency_caches to here.
1530 (get_dep_weak, ds_merge): Make global.
1531 * genattr.c (main): Code to output prototype for
1532 dfa_clear_single_insn_cache.
1533 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1534 (output_dfa_clean_insn_cache_func): Code to output
1535 dfa_clear_single_insn_cache function.
1536 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1538 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1540 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1541 New static variables.
1542 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1543 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1545 (ebb_sched_info): Initialize new fields.
1546 (get_block_head_tail): Adjust all uses.
1547 (compute_jump_reg_dependencies): Fixed to use glat_start.
1548 (schedule_ebb): Code to remove unreachable last block.
1549 (schedule_ebbs): Added code to update register live information.
1550 * sched-rgn.c (region_sched_info): Initialize new fields.
1551 (get_block_head_tail): Adjust all uses.
1552 (last_was_jump): Removed. Adjust users.
1553 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1554 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1555 Implement new hooks.
1556 (check_dead_notes1): New static function.
1557 (struct region): New fields: dont_calc_deps, has_real_ebb.
1558 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1559 (BB_TO_BLOCK): Fixed to handle EBBs.
1560 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1561 (ebb_head): New static variable.
1562 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1563 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1565 (compute_dom_prob_ps): New assertion.
1566 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1567 global_live_at_start.
1568 (init_ready_list): New assertions.
1569 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1570 (new_ready): Add support for BEGIN_CONTROL speculation.
1571 (schedule_insns): Fixed code that updates register live information
1573 (schedule_region): Fixed to handle EBBs.
1574 (init_regions): Use extend_regions and check_dead_notes1.
1575 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1576 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1577 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1578 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1579 TARGET_SCHED_GEN_CHECK,
1580 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1581 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1582 * doc/invoke.texi (max-sched-insn-conflict-delay,
1583 sched-spec-prob-cutoff): Document.
1585 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1587 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1588 inter_tick, queue_index.
1589 (struct sched_info): Change signature of init_ready_list field.
1590 Adjust all initializations.
1591 (RESOLVED_DEPS): New access macro.
1592 (ready_add): Remove prototype.
1593 (try_ready): Add prototype.
1594 * sched-rgn.c (init_ready_list): Use try_ready.
1595 (schedule_region): Initialize
1596 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1597 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1598 (init_ready_list): Use try_ready.
1599 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1600 * lists.c (remove_list_elem): Remove `static'.
1601 (remove_free_INSN_LIST_elem): New function.
1602 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1603 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1604 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1606 (readyp): New variable.
1607 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1608 change_queue_index, resolve_dep): New static functions.
1609 (try_ready): New function. Adjust callers in sched-rgn.c and
1610 sched-ebb.c to use it instead of ready_add.
1611 (clock_var): Move at the begining of file.
1612 (rank_for_schedule): Fix typo.
1613 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1614 (ready_lastpos): Enforce assertion.
1615 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1617 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1618 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1619 (queue_to_ready): Use free_INSN_LIST_list.
1620 (early_queue_to_ready): Fix typo.
1621 (schedule_block): Init readyp. Move init_ready_list call after the
1622 initialization of clock_var. Fix error in rejecting insn by
1623 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1624 that previously corrected INSN_TICKs. Add code for handling
1626 (set_priorities): Fix typo.
1627 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1628 Clarify comment and code that keeps current_sched_info->next_tail
1631 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1633 * sched-rgn.c (extend_rgns): New static function.
1634 (find_rgns): Use it.
1635 (gather_region_statistics, print_region_statistics): New static
1637 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1638 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1640 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1641 Andrey Belevantsev <abel@ispras.ru>
1643 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1644 * lists.c (unused_deps_list): New variable.
1645 (free_list): Add assertions to verify the proper distinguishing
1646 between INSN_LISTs and DEPS_LISTs.
1647 (find_list_elem, remove_list_elem, remove_list_node): New static
1649 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1650 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1651 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1652 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1654 (free_INSN_LIST_node): Likewise.
1655 * modulo-sched.c (current_sched_info): Initialize flags field.
1656 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1657 * rtl.def (DEPS_LIST): Define.
1658 * rtl.h: Declare new functions from lists.c.
1659 * sched-deps.c (spec_dependency_cache): New static variable.
1660 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1661 (add_dependence): Change return type to void. Move the logic to ...
1662 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1663 (delete_all_dependences): Add comment about forward_dependency_cache.
1664 Handle spec_dependency_cache. Handle DEPS_LISTs.
1665 (fixup_sched_groups): Clarify the change of priority of output
1666 and anti dependencies.
1667 (sched_analyze_2): Adjust add_dependence calls to create data
1668 speculative dependence.
1669 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1670 Adjust all callers. Handle DEPS_LISTS.
1671 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1672 presence of speculation.
1673 (init_dependency_caches, free_dependency_caches):
1674 Handle spec_dependency_cache.
1675 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1676 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1677 New static functions.
1678 (add_or_update_back_dep, add_or_update_back_forw_dep,
1679 add_back_forw_dep, delete_back_forw_dep): New functions.
1680 * sched-int.h (ds_t, dw_t): New typedefs.
1681 (struct sched_info): Add new field flags.
1682 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1683 Prototype new sched-deps.c functions.
1684 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1685 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1686 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1687 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1688 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1689 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1691 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1693 * sched-rgn.c (current_sched_info): Initialize flags field.
1694 (schedule_insns): Initialize current_sched_info before the sched_init
1696 * sched-ebb.c (current_sched_info): Initialize flags field.
1697 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1698 Call add_or_update_back_dep instead of add_dependence.
1699 Create control speculative dependencies.
1700 (schedule_insns): Initialize current_sched_info before the sched_init
1703 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1705 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1707 (sh_fallback_frame_state): Likewise.
1709 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1711 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1712 Do switch on default_use_cxa_atexit.
1713 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1714 * config/darwin-crt3.o: New.
1715 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1716 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1717 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1719 * config/rs6000/t-darwin: Move crt2.o building to here.
1720 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1721 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1724 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1726 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1727 from '! xxx' to '!xxx' for coding-style conformance.
1728 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1729 (EXTRA_CONSTRAINT): Likewise.
1730 * config/vax/vax.md (four unnamed insns): Likewise.
1732 2006-03-15 Paul Brook <paul@codesourcery.com>
1734 * config/arm/arm.c (minipool_pad): New.
1735 (add_minipool_forward_ref): Include pool alignment padding in address
1737 (push_minipool_fix): Set minipool_pad.
1738 (minipool_pad): Ditto.
1740 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1742 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1743 instead of GET_CODE() == MEM and REG_P() instead of
1745 (print_operand_address): Likewise.
1746 (vax_address_cost): Likewise.
1747 (vax_rtx_costs): Likewise.
1748 (vax_notice_update_cc): Likewise.
1749 (vax_output_int_add): Likewise.
1750 (INDEX_REGISTER_P): Likewise.
1751 (BASE_REGISTER_P): Likewise.
1752 (nonindexed_address_p): Likewise.
1753 (vax_mode_dependent_address_p): Likewise.
1754 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1755 (PRINT_OPERAND): Likewise.
1756 * config/vax/vax.md (ashlsi3): Likewise.
1757 (ashlsi3): Likewise.
1758 (some more unnamed insns): Likewise.
1760 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1762 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1763 iterator-style macro.
1764 (mark_control_dependent_edges_necessary): Update the use of
1765 EXECUTE_IF_CONTROL_DEPENDENT.
1767 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1769 * config/sh/predicates.md (cache_address_operand): Special.
1770 (ua_address_operand): Likewise.
1772 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1774 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1776 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1778 2006-03-15 Andreas Schwab <schwab@suse.de>
1780 * gensupport.c (identify_predicable_attribute): Don't free p_false
1781 when it is still in use.
1783 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1785 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1786 the default setting here.
1788 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1790 * tree-pass.h (pass_cfg): Remove.
1791 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1792 * passes.c (pass_cfg): Don't run it.
1794 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1796 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1797 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1799 (stack_regs_mentioned): Update the uses of
1800 stack_regs_mentioned_data. Don't access the array beyond its
1802 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1803 Don't include gt-reg-stack.h.
1805 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1806 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1808 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1811 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1814 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1816 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1818 2006-03-14 Richard Guenther <rguenther@suse.de>
1820 PR tree-optimization/26672
1821 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1824 2006-03-14 Richard Guenther <rguenther@suse.de>
1826 PR tree-optimization/26667
1827 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1828 node for the callees. Always allow inlining if it will shrink
1831 2006-03-14 Richard Guenther <rguenther@suse.de>
1834 * builtins.c (get_pointer_alignment): Prefer alignment
1835 information from decls over that from types.
1837 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1840 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1842 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1844 * config/rs6000/rs6000.opt (mdlmzb): New option.
1845 (msched-prolog, msched-epilog): Use Var not Mask.
1846 * doc/invoke.texi (-mdlmzb): Document.
1847 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1849 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1850 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1852 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1854 PR rtl-optimization/25739
1855 * bt-load.c (augment_live_range): Free tos pointer.
1857 * gensupport.c (identify_predicable_attribute): Free
1859 * gcov.c (create_file_names): Free name pointer.
1861 2006-03-13 Roger Sayle <roger@eyesopen.com>
1864 * stmt.c (emit_case_nodes): Handle the case where the index is a
1865 CONST_INT, where the comparison mode is specified by the index type.
1867 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1869 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1872 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1874 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1875 (*branch_fp_inverted): Likewise.
1877 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1880 * omp-low.c (expand_omp_for_generic): Mark istart0
1881 and iend0 as addressable.
1883 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1885 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1887 2006-03-13 Jeff Law <law@redhat.com>
1889 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1890 virtual operands are interesting.
1891 (vrp_visit_stmt): Corresponding changes.
1893 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1895 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1897 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1898 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1899 * config/bfin/crti.S: Use it instead of __PIC__.
1900 * config/bfin/crtn.S: Likewise.
1902 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1903 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1905 Lose 'G' modifier for call operand.
1906 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1907 recognize 'G' modifier.
1909 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1912 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1913 * stmt.c (expand_case): Likewise.
1915 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1917 PR rtl-optimization/26254
1918 * loop-invariant.c (seq_insns_valid_p): New function.
1919 (move_invariant_reg): Only emit new code if it is valid.
1921 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1923 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1925 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1926 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1927 (commit_one_edge_insertion): Do not look for loop notes.
1929 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1931 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1932 flag_test_coverage out of loop.
1934 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1936 * final.c (shorten_branches): Remove outdated comment, and turn
1937 the if branch that guards it to continue.
1939 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1941 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1942 * cfgloop.h (struct loop): Remove unused fields.
1944 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1946 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1947 (-dL, -fdump-rtl-loop2): Update the dump file names
1949 * doc/invoke.texi: Update dump file names.
1951 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1953 * predict.c (estimate_probability): Remove.
1954 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1955 * basic-block.h (estimate_probability): Remove prototype.
1956 * passes.c (finish_optimization_passes): Dump branch prediction or
1957 profiling heuristics to the .profile tree dump.
1958 (init_optimization_passes): Unqueue pass_branch_prob.
1960 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1962 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1964 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1965 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1967 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1969 * function.h (frame_offset_overflow): Declare.
1970 * function.c (frame_offset_overflow): New function.
1971 (assign_stack_local_1): Call it to detect that the offset overflows.
1972 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1974 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1976 * config/sh/sh.c: Include alloc-pool.h.
1977 (label_ref_list_pool): New alloc pool.
1978 (label_ref_list_t): New type for lists of labels.
1979 (struct pool_node): Make wend a label_ref_list_t.
1980 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1982 (dump_table): Likewise.
1983 (sh_reorg): Set up the alloc pool before using add_constant and
1984 dump_table, and destroy it when finishing.
1986 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1988 * config/mips/mips.c: Remove redundant comment.
1990 2006-03-10 Jason Merrill <jason@redhat.com>
1993 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1994 the target was declared 'register'.
1996 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1998 * genpreds.c (write_insn_constraint_len): Change definition of
1999 insn_constraint_len to return size_t to match the declaration.
2001 2006-03-10 DJ Delorie <dj@redhat.com>
2003 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2005 (m32c_expand_insv): Fix test for an AND mask.
2007 2006-03-10 Richard Guenther <rguenther@suse.de>
2010 * builtins.c (get_pointer_alignment): Handle component
2011 references for field alignment.
2013 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2015 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2016 when building with libgloss.
2017 (sh*elf): Implement --without-fp option.
2018 (sh64-superh-linux*): Don't multilib.
2020 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2022 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2024 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2026 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2027 Set it when one of the replacement functions returned true.
2028 Return TODO_cleanup_cfg if cfgchanged is true.
2029 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2031 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2033 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2034 instead of gen_lowpart.
2036 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2038 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2040 (mips_output_order_conditional_branch): Declare.
2041 * config/mips/mips.h (MIPS_BRANCH): New macro.
2042 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2043 for the comparison. Use gen_condjump.
2044 (mips_output_conditional_branch): Rework interface to take the
2045 asm templates for a direct branch and the inverse of a direct branch.
2046 (mips_output_order_conditional_branch): New function.
2047 (mips_builtin_branch_and_move): New function.
2048 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2049 branch condition. Use gen_single_cc as the condition for
2050 __builtin_mips_upper_* or __builtin_mips_lower_*.
2051 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2052 Use VOIDmode for the branch condition.
2053 * config/mips/predicates.md (order_operator): New predicate.
2054 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2055 (branch_fp): Rename to...
2056 (*branch_fp): ...this. Remove mode from comparison operator.
2057 Use new mips_output_conditional_branch interface.
2058 (branch_fp_inverted): Rename to...
2059 (*branch_fp_inverted): ...this and update as for *branch_fp.
2060 (*branch_zero<mode>): Rename to...
2061 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2062 Use mips_output_order_conditional_branch. Only accept ordered
2064 (*branch_zero<mode>_inverted): Rename to...
2065 (*branch_order<mode>_inverted): ...this and update as for
2066 *branch_order<mode>.
2067 (*branch_equality<mode>): Accept zero as the second operand to
2068 the equality operator. Use the new mips_output_conditional_branch
2070 (*branch_equality<mode>_inverted): Likewise.
2071 (condjump): New expander.
2072 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2074 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2075 (bc1any2t, bc1any2f): Likewise.
2076 (single_cc): New expander.
2077 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2079 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2081 * doc/md.texi: Update documentation of MIPS constraints.
2082 * config/mips/constraints.md: New file.
2083 * config/mips/mips.md: Include it.
2084 * config/mips/mips.c (mips_char_to_class): Delete.
2085 (override_options): Don't initialize mips_char_to_class.
2086 * config/mips/mips.h (mips_char_to_class): Delete.
2087 (REG_CLASS_FROM_LETTER): Delete.
2088 (CONST_OK_FOR_LETTER_P): Delete.
2089 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2090 (EXTRA_CONSTRAINT_Y): Delete.
2091 (EXTRA_CONSTRAINT_STR): Delete.
2092 (CONSTRAINT_LEN): Delete.
2093 (EXTRA_MEMORY_CONSTRAINT): Delete.
2095 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2097 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2098 original fn's eh regions.
2100 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2102 * fold-const.c (build_range_check): Make sure to use a valid type to
2103 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2106 (range_predecessor): New static function.
2107 (range_successor): Likewise.
2108 (merge_ranges): Use them to compute predecessors and successors of
2111 2006-03-09 Roger Sayle <roger@eyesopen.com>
2114 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2115 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2117 2006-03-08 DJ Delorie <dj@redhat.com>
2119 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2120 (addpsi3): Expand to include memory operands. Remove
2121 reload-specific splits.
2122 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2123 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2124 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2125 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2126 (shift1_qi, shift1_hi, insv): New.
2127 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2128 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2129 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2131 * config/m32c/m32c-protos.h: Update as needed.
2132 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2133 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2134 Fail for unrecognized R* constraints.
2135 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2136 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2137 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2139 (m32c_init_libfuncs): New.
2140 (m32c_legitimate_address_p): Add debug wrapper.
2141 (m32c_rtx_costs): New.
2142 (m32c_address_cost): New.
2143 (conversions): Add 'B' prefix.
2144 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2145 operands, or word regnames for QI operands. 'B' prints bit
2147 (m32c_expand_setmemhi): New.
2148 (m32c_expand_movmemhi): New.
2149 (m32c_expand_movstr): New.
2150 (m32c_expand_cmpstr): New.
2151 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2152 (m32c_expand_neg_mulpsi3): Handle non-ints.
2153 (m32c_cmp_flg_0): New.
2154 (m32c_expand_movcc): New.
2155 (m32c_expand_insv): New.
2156 (m32c_scc_pattern): New.
2157 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2158 a0/a1 out of SIregs.
2159 (STORE_FLAG_VALUE): New.
2160 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2163 * config/m32c/mov.md: Make constraints more liberal.
2164 (zero_extendqihi2): Optimize r0/r1 case.
2165 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2166 * config/m32c/predicates.md (m32c_any_operand): New.
2167 (m32c_nonimmediate_operand): New.
2168 (m32c_hl_operand): New.
2169 (m32c_r3_operand): New.
2172 (memsym_operand): New.
2173 (memimmed_operand): New.
2174 (a_qi_operand): New.
2175 (m32c_eqne_operator): New.
2176 (m32c_1bit8_operand): New.
2177 (m32c_1bit16_operand): New.
2178 (m32c_1mask8_operand): New.
2179 (m32c_1mask16_operand): New.
2180 * config/m32c/blkmov.md: New file.
2181 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2183 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2185 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2186 unsigned to fix signed/unsigned comparison issue in
2187 DWARF2_FRAME_REG_OUT.
2188 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2189 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2191 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2192 of ptr into the ENABLE_CHECKING section.
2194 2006-03-08 Jeff Law <law@redhat.com>
2196 * tree-vrp.c (infer_value_range): Only count pointer uses
2197 and dereferences if -fdelete-null-pointer-checks is enabled.
2199 * tree-vrp.c (find_assert_locations): Infer value ranges for
2200 single use pointers, but do not create ASSERT_EXPRs for them.
2201 When a non-null range is inferred for a pointer, backwards
2202 propagate that range to other equivalent pointers through the
2205 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2208 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2209 language hook targets.
2210 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2211 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2212 if language hook targets were missing.
2214 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2216 * tree-ssa-opfinalize.h: Removed.
2217 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2219 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2220 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2221 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2222 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2223 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2224 finalize_ssa_v_must_def_ops): New.
2226 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2228 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2231 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2233 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2235 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2236 addresses with offsets; reorganize.
2238 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2239 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2240 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2242 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2245 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2247 2006-03-08 Ben Elliston <bje@au.ibm.com>
2249 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2251 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2254 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2257 2006-03-07 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/26587
2260 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2262 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2264 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2266 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2268 * hooks.c (hook_bool_mode_rtx_true): New function.
2269 * hooks.h (hook_bool_mode_rtx_true): Declare.
2270 * toplev.c (compile_file): Call output_shared_constant_pool.
2271 * varasm.c (shared_constant_pool): New variable.
2272 (assemble_start_function, assemble_end_function): Remove arguments
2273 from call to output_constant_pool.
2274 (create_constant_pool): New function, split out from...
2275 (init_varasm_status): ...here.
2276 (force_const_mem): Choose between the shared and per-function constant
2277 pools. Set current_function_uses_const_pool when reusing old entries
2278 as well as when creating new ones.
2279 (mark_constant): Ignore data argument.
2280 (mark_constants): Remove pool argument.
2281 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2282 to decide whether the function uses a constant pool.
2283 (output_constant_pool_contents): New function, split out from...
2284 (output_constant_pool): ...here.
2285 (output_shared_constant_pool): New function.
2286 (init_varasm_once): Initialize shared_constant_pool.
2287 * output.h (output_constant_pool): Delete.
2288 (output_shared_constant_pool): Declare.
2289 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2290 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2292 2006-03-06 Nick Clifton <nickc@redhat.com>
2294 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2295 flag_strength_reduce.
2297 2006-03-06 Ben Elliston <bje@au.ibm.com>
2299 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2300 x86_64-*-linux* configurations.
2302 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2303 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2305 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2307 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2309 * basic-block.h: Remove the extern for
2310 rediscover_loops_after_threading.
2312 * cfgloop.c (cancel_loop): Make it static.
2313 * cfgloop.h: Remove the prototype for cancel_loop.
2315 * flow.c (recompute_reg_usage): Make it static.
2316 * rtl.h: Remove the prototype for recompute_reg_usage.
2318 * function.c (use_return_register): Make it static.
2319 * function.h: Remove the prototype.
2321 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2323 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2325 * recog.h: Remove the prototype for
2326 validate_change_maybe_volatile.
2328 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2330 * rtlanal.c (replace_reg): Remove.
2331 * rtl.h: Remove the prototype for replace_reg.
2333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2335 * regclass.c (reg_scan_update): Remove.
2336 (reg_scan_mark_refs): Remove the last argument.
2337 * rtl.h: Remove the prototype for reg_scan_update.
2339 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2341 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2342 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2343 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2344 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2345 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2346 loop-invariant.c, omp-low.c, opts.c, passes.c,
2347 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2348 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2349 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2350 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2351 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2352 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2356 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2357 * dwarf2out.h: Remove the prototype for
2358 dwarf2out_add_library_unit_info.
2360 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2362 * tree.c (add_var_to_bind_expr): Remove.
2363 * tree.h: Remove the prototype for add_var_to_bind_expr.
2365 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2367 * regclass.c (n_non_fixed_regs): Remove.
2368 (init_reg_sets_1, globalize_reg): Remove all uses of
2370 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2374 * rtlanal.c (insns_safe_to_move_p): Remove.
2375 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2379 * expmed.c (expand_mult_add): Remove.
2380 * expr.h: Remove the prototype for expand_mult_add.
2382 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2384 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2385 and REG_SAVED_VAL_EXP constants.
2386 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2387 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2388 Handle regs stored by value.
2389 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2390 (execute_cfa_program): Handle DW_CFA_val_offset,
2391 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2392 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2393 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2394 (uw_install_context_1): Handle target regs stored by value.
2396 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2398 * tree-sra.c (tree_sra): Return todoflags;
2399 (generate_one_element): Set TODO_update_smt_usage if needed.
2400 (pass_sra): Remove TODO_update_smt_usage.
2401 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2403 (tree_ssa_forward_propagate_single_use_vars): Return
2404 TODO_update_smt_usage if we need to update SMT usage.
2405 (pass_forwprop): Remove TODO_update_smt_usage.
2407 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2409 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2410 (correct_use_link): Remove reference to get_stmt_operands.
2411 (update_stmt_operands): Likewise.
2412 (get_modify_expr_operands): New function factored out of
2413 parse_ssa_operands and get_expr_operands.
2414 Try to create V_MUST_DEFs for LHS by default.
2415 (get_expr_operands) <case MODIFY_EXPR>: Call
2416 get_modify_expr_operands.
2417 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2418 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2419 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2420 get_modify_expr_operands.
2422 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2424 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2425 * tree-flow.h: Remove the prototype for
2426 referenced_var_lookup_if_exists.
2428 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2430 PR rtl-optimization/26345
2432 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2434 2006-03-03 Roger Sayle <roger@eyesopen.com>
2436 PR tree-optimization/26524
2437 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2438 fold_convert to create a constant of the appropriate type.
2440 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2442 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2443 SYMBOL_REF_IN_BLOCK_P.
2444 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2445 of SYMBOL_FLAG_IN_BLOCK.
2446 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2447 instead of SYMBOL_REF_IN_BLOCK_P.
2448 * explow.c (use_anchored_address): Likewise.
2449 * rtl.c (rtx_size): Likewise.
2450 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2451 instead of SYMBOL_FLAG_IN_BLOCK.
2452 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2453 SYMBOL_REF_IN_BLOCK_P.
2454 (assemble_variable): Likewise.
2455 (output_constant_def_contents): Likewise.
2456 (output_constant_pool): Likewise.
2457 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2458 instead of SYMBOL_FLAG_IN_BLOCK.
2459 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2460 SYMBOL_REF_IN_BLOCK_P.
2461 (SYMBOL_REF_BLOCK): Likewise.
2462 (SYMBOL_REF_OFFSET): Likewise.
2463 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2464 SYMBOL_REF_IN_BLOCK_P.
2465 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2466 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2467 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2468 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2470 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2472 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2474 2006-03-02 Roger Sayle <roger@eyesopen.com>
2476 * simplify-rtx.c (simplify_unary_operation): When simplifying
2477 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2478 that we perform the right shift in the appropriate mode, and
2479 then extend or truncate the result to requested mode.
2481 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2483 * gengtype.c (main): Handle double_int type.
2484 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2485 * double-int.c: New file.
2486 * double-int.h: New file.
2487 * system.h: Include doubleint.h.
2488 * Makefile.in (SYSTEM_H): Include double-int.h.
2489 (double-int.o): Add.
2491 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2494 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2497 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2499 * tree-vrp.c (remove_range_assertions): Do not update statements
2502 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2504 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2506 * gcse.c (rest_of_handle_gcse): Ditto.
2507 * except.c (gate_handle_eh): Ditto.
2508 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2509 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2511 2006-03-02 Eric Christopher <echristo@apple.com>
2513 * config/i386/i386.c (machopic_output_stub): Add indirection to
2516 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2520 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2522 Sun Niagara specific optimizations.
2523 * config.gcc: Recognize niagara as target.
2524 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2525 (TARGET_CPU_niagara): Define.
2526 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2527 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2528 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2529 (ASM_CPU_SPEC): Likewise.
2530 (PROCESSOR_NIAGARA): New enum entry.
2531 (REGISTER_MOVE_COST): Handle Niagara.
2532 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2533 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2534 (sparc_override_options): Recognize "niagara", set appropriate
2535 default MASK_* values for it, and align functions to 32-bytes
2536 by default just like ULTRASPARC/ULTRASPARC3.
2537 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2538 (sparc64_initialize_trampoline): Likewise.
2539 (sparc_use_sched_lookahead): Use zero for niagara.
2540 (sparc_issue_rate): Use one for niagara.
2541 * config/sparc/niagara.md: New file.
2542 * config/sparc/sparc.md: Include it.
2543 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2544 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2545 when default cpu is niagara.
2546 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2547 (ASM_CPU_SPEC): Likewise.
2548 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2549 when default cpu is niagara.
2550 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2551 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2552 just like v9/ultrasparc/ultrasparc3.
2553 * doc/invoke.texi: Add documentation for "niagara" and improve
2554 existing documentation for ultrasparc variants.
2556 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2558 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2560 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2562 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2563 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2564 and say that only one is needed.
2565 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2566 * target.h (have_switchable_bss_sections): New hook.
2567 * explow.c (use_anchored_address): Check that the symbol is in a block.
2568 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2569 (bss_noswitch_section): New variables.
2570 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2571 (get_noswitch_section): New function.
2572 (get_block_for_section): Allow SECT to be null.
2573 (unlikely_text_section_p): Use SECTION_STYLE.
2574 (bss_initializer_p): New function.
2575 (get_variable_section): Move earlier in file. Take a new argument,
2576 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2577 Return one of the new *_sections in such cases.
2578 (get_block_for_decl): New function, extracting some logic from
2579 use_blocks_for_decl_p.
2580 (change_symbol_section): Remove in favor of...
2581 (change_symbol_block): ...this new function.
2582 (use_blocks_for_decl_p): Remove checks now performed by
2584 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2585 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2586 (emit_local, emit_bss, emit_common): ...these new functions.
2587 Return true if the alignment was honored.
2588 (emit_tls_common): New function.
2589 (asm_emit_uninitialised): Delete.
2590 (assemble_variable_noswitch): New function, split out from...
2591 (assemble_variable): ...here. Don't make decisions about common
2592 variables here. Globalize all public decls that go into non-common
2593 sections. Check whether SYMBOL_REF_BLOCK is null.
2594 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2595 (output_constant_pool): Likewise.
2596 (init_varasm_once): Initialize the new section variables.
2597 (have_global_bss_p): New function.
2598 (categorize_decl_for_section): Use bss_initializer_p.
2599 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2600 (place_block_symbol): Assert that the symbol must be in a block.
2601 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2602 (TARGET_INITIALIZER): Include it.
2603 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2604 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2605 (SECTION_MACH_DEP): Bump by two.
2606 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2607 (unnamed_section): Mention SECTION_UNNAMED in comment.
2608 (named_section): Likewise SECTION_NAMED.
2609 (noswitch_section_callback): New type.
2610 (noswitch_section): New structure.
2611 (section): Add a noswitch_section alternative.
2612 (SECTION_STYLE): New macro.
2613 (tls_comm_section, comm_section, lcomm_section): Declare.
2614 (bss_noswitch_section, have_global_bss_p): Declare.
2615 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2616 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2618 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2619 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2622 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2624 * gcc/tree-vrp.c (execute_vrp): Return value.
2625 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2626 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2627 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2628 (tree_lower_complex_O0): Ditto.
2629 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2630 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2631 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2632 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2633 (execute_tail_calls): Ditto.
2634 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2635 * gcc/tree.h (init_function_for_compilation): Ditto.
2636 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2637 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2638 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2639 * gcc/final.c (compute_alignments): Ditto.
2640 (rest_of_handle_final): Ditto.
2641 (rest_of_handle_shorten_branches): Ditto.
2642 (rest_of_clean_state): Ditto.
2643 * gcc/omp-low.c (execute_expand_omp): Ditto.
2644 (execute_lower_omp): Ditto.
2645 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2646 * gcc/ipa-reference.c (static_execute): Ditto.
2647 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2648 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2649 (rest_of_handle_machine_reorg): Ditto.
2650 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2651 * gcc/flow.c (recompute_reg_usage): Ditto.
2652 (rest_of_handle_remove_death_notes): Ditto.
2653 (rest_of_handle_life): Ditto.
2654 (rest_of_handle_flow2): Ditto.
2655 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2656 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2657 (do_ssa_store_ccp): Ditto.
2658 (execute_fold_all_builtins): Ditto.
2659 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2660 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2661 * gcc/ipa-pure-const.c (static_execute): Ditto.
2662 * gcc/cse.c (rest_of_handle_cse): Ditto.
2663 (rest_of_handle_cse2): Ditto.
2664 * gcc/web.c (rest_of_handle_web): Ditto.
2665 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2666 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2667 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2668 * gcc/tree-nrv.c (tree_nrv): Ditto.
2669 (execute_return_slot_opt): Ditto.
2670 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2671 (create_structure_vars): Ditto.
2672 * gcc/loop-init.c (rtl_loop_init): Ditto.
2673 (rtl_loop_done): Ditto.
2674 (rtl_move_loop_invariants): Ditto.
2675 (rtl_unswitch): Ditto.
2676 (rtl_unroll_and_peel_loops): Ditto.
2677 (rtl_doloop): Ditto.
2678 * gcc/gimple-low.c (lower_function_body): Ditto.
2679 (mark_used_blocks): Ditto.
2680 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2681 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2682 (cgraph_early_inlining): Ditto.
2683 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2684 * gcc/jump.c (cleanup_barriers): Ditto.
2685 (purge_line_number_notes): Ditto.
2686 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2687 (rest_of_handle_if_after_reload): Ditto.
2688 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2689 (tree_ssa_loop_im): Ditto.
2690 (tree_ssa_loop_unswitch): Ditto.
2691 (tree_vectorize): Ditto.
2692 (tree_linear_transform): Ditto.
2693 (tree_ssa_loop_ivcanon): Ditto.
2694 (tree_ssa_empty_loop): Ditto.
2695 (tree_ssa_loop_bounds): Ditto.
2696 (tree_complete_unroll): Ditto.
2697 (tree_ssa_loop_prefetch): Ditto.
2698 (tree_ssa_loop_ivopts): Ditto.
2699 (tree_ssa_loop_done): Ditto.
2700 * gcc/predict.c (tree_estimate_probability): Ditto.
2701 * gcc/recog.c (split_all_insns_noflow): Ditto.
2702 (rest_of_handle_peephole2): Ditto.
2703 (rest_of_handle_split_all_insns): Ditto.
2704 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2705 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2706 (rest_of_handle_stack_adjustments): Ditto.
2707 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2708 * gcc/function.c (instantiate_virtual_regs): Ditto.
2709 (init_function_for_compilation): Ditto.
2710 (rest_of_handle_check_leaf_regs): Ditto.
2711 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2712 (rest_of_handle_gcse): Ditto.
2713 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2714 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2715 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2716 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2717 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2718 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2719 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2720 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2721 * gcc/except.c (set_nothrow_function_flags): Ditto.
2722 (convert_to_eh_region_ranges): Ditto.
2723 (rest_of_handle_eh): Ditto.
2724 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2725 (remove_unnecessary_notes): Ditto.
2726 * gcc/except.h (set_nothrow_function_flags): Ditto.
2727 (convert_to_eh_region_ranges): Ditto.
2728 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2729 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2730 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2731 (execute_fre): Ditto.
2732 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2733 (rest_of_handle_jump2): Ditto.
2734 * gcc/tree-sra.c (tree_sra): Ditto.
2735 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2736 (execute_mudflap_function_decls): Ditto.
2737 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2738 (do_store_copy_prop): Ditto.
2739 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2740 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2741 * gcc/tree-ssa-forwprop.c
2742 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2743 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2744 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2745 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2746 (execute_late_warn_uninitialized): Ditto.
2747 * gcc/rtl.h (cleanup_barriers): Ditto.
2748 (split_all_insns_noflow): Ditto.
2749 (purge_line_number_notes): Ditto.
2750 (unshare_all_rtl): Ditto.
2751 (remove_unnecessary_notes): Ditto.
2752 (recompute_reg_usage): Ditto.
2753 (variable_tracking_main): Ditto.
2754 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2755 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2756 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2757 (execute_free_cfg_annotations): Ditto.
2758 (execute_fixup_cfg): Ditto.
2759 (execute_cleanup_cfg_pre_ipa): Ditto.
2760 (execute_cleanup_cfg_post_optimizing): Ditto.
2761 (execute_init_datastructures): Ditto.
2762 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2763 * gcc/combine.c (rest_of_handle_combine): Ditto.
2764 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2765 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2766 (rest_of_handle_reorder_blocks): Ditto.
2767 (rest_of_handle_partition_blocks): Ditto.
2768 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2769 * gcc/tree-profile.c (tree_profiling): Ditto.
2770 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2771 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2772 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2773 (rest_of_handle_sched2): Ditto.
2774 * gcc/basic-block.h (free_bb_insn): Ditto.
2775 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2776 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2777 (remove_useless_stmts): Ditto.
2778 (split_critical_edges): Ditto.
2779 (execute_warn_function_return): Ditto.
2780 (execute_warn_function_noreturn): Ditto.
2781 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2782 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2783 * gcc/passes.c (execute_one_pass): Run additional
2784 todos returned by execute function.
2785 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2788 2006-03-02 Richard Guenther <rguenther@suse.de>
2790 * tree-ssa-alias.c (find_used_portions): Consider taking
2791 the address as making the variable not write-only.
2793 2006-03-02 Nick Clifton <nickc@redhat.com>
2795 * config.gcc (default_use_cxa_atexit): Extend the description of
2796 this configure variable. Set its default value to "yes" for
2797 Linux, NetBSD and ELF targets on the assumption that they will
2798 use C libraries with the __cxa_atexit function.
2800 2006-03-02 Ben Elliston <bje@au.ibm.com>
2802 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2803 parameter as unused to suppress a build warning.
2805 2006-03-02 Ben Elliston <bje@au.ibm.com>
2807 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2810 2006-03-01 Roger Sayle <roger@eyesopen.com>
2813 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2814 declared name, the weak reference name, and the typeof name.
2815 (__gthrw): Avoid expanding the declared name suffix.
2816 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2818 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2820 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2822 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2823 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2824 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2825 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2826 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2827 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2828 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2829 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2830 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2831 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2832 (DW_END_default, DW_END_big, DW_END_little): New.
2833 (DW_END_lo_user, DW_END_hi_user): Define.
2834 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2835 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2836 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2839 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2841 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2843 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2845 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2847 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2849 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2850 to 'symbol_mem_tag'.
2852 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2855 2006-03-01 Roger Sayle <roger@eyesopen.com>
2857 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2859 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2862 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2863 MACHO_DYNAMIC_NO_PIC_P.
2864 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2866 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2869 * config/darwin-protos.h (darwin_asm_output_anchor):
2871 * config/darwin-sections.def (cstring_section):
2872 Add SECTION_MERGE to the flags.
2873 (literal4_section): Likewise.
2874 (literal8_section): Likewise.
2875 (objc_selector_refs_section): Likewise.
2876 (objc_cls_refs_section): Likewise.
2877 * config/darwin.c (darwin_asm_output_anchor): New
2879 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2881 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2883 Fix PR tree-optimization/26443
2884 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2885 to todo and PROP_tmt_usage to properties_destroyed.
2886 * tree-ssa-ccp.c (pass_ccp): Ditto.
2887 (pass_store_ccp): Ditto.
2888 * tree-ssa-dom.c (pass_dominator): Ditto.
2890 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2892 * tree-ssa-operands.c: Cleanup whitespace.
2893 (get_asm_expr_operands): Move before first invocation.
2894 (get_indirect_ref_operands): Likewise.
2895 (get_tmr_operands): Likewise.
2896 (get_call_expr_operands): Likewise.
2897 (append_def): Likewise.
2898 (append_use): Likewise.
2899 (append_v_may_def): Likewise.
2900 (append_v_must_def): Likewise.
2901 (add_call_clobber_ops): Likewise.
2902 (add_call_read_ops): Likewise.
2903 (add_stmt_operand): Likewise.
2904 (add_virtual_operand): Likewise.
2905 (build_ssa_operands): Likewise.
2907 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2912 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2913 with a call expr to ...
2914 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2916 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2918 * tree-vrp.c (extract_range_from_assert): Remove special
2919 handling for types with super-types.
2921 2006-03-01 Ben Elliston <bje@au.ibm.com>
2923 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2924 and powerpc64-*-linux* configurations.
2925 * config/t-dfprules: New file.
2927 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2928 Compile dfp-bit.c from the source directory using -DWIDTH and
2929 $DFP_CFLAGS to control the compilation of that file, rather than
2930 generating width-specific versions in the build directory.
2931 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2932 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2934 2006-02-28 Zack Weinberg <zackw@panix.com>
2936 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2939 2006-02-28 Eric Christopher <echristo@apple.com>
2941 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2942 Set up IN_LIBGCC definition of TARGET_64BIT.
2943 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2945 2006-02-28 Roger Sayle <roger@eyesopen.com>
2948 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2949 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2950 cases via the construction of "expr != 0".
2952 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2954 * alias.c (alias_invariant, alias_invariant_size): Remove.
2955 (record_base_value): Remove.
2956 (memrefs_conflict_p): Don't look at alias_invariant.
2957 (end_alias_analysis): Don't free it.
2958 * alias.h (record_base_value): Remove prototype.
2960 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2961 Adam Nemet <anemet@caviumnetworks.com>
2963 * rtl.h (truncated_to_mode): Declare it.
2964 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2965 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2966 (RTL_HOOKS_INITIALIZER): Include it.
2967 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2968 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2969 reg_truncated_to_mode.
2970 * rtlanal.c (truncated_to_mode): Define it.
2971 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2973 2006-02-28 Jeff Law <law@redhat.com>
2975 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2976 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2977 the range allowed by TYPE_PRECISION.
2979 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2981 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2983 PR tree-optimization/26419
2984 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2987 2006-02-27 Zack Weinberg <zackw@panix.com>
2989 * doc/md.texi: Fix typo in previous change.
2991 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2995 2006-02-27 Zack Weinberg <zackw@panix.com>
2997 * rtl.def (define_constraint, define_register_constraint)
2998 (define_memory_constraint, define_address_constraint): New MD forms.
2999 * gensupport.c (process_rtx): Put define_constraint etc on the
3001 * genpreds.c (process_define_predicate): Adjust comment. Validate
3002 the name, and call validate_exp to validate the expression.
3003 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3004 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3005 all callers changed.
3006 (validate_exp, needs_variable, struct constraint_data)
3007 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3008 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3009 (const_dbl_constraints, constraint_max_namelen)
3010 (have_register_constraints, have_memory_constraints)
3011 (have_address_constraints, have_address_constraints)
3012 (have_extra_constraints, have_const_int_constraints)
3013 (have_const_dbl_constraints, mangle, add_constraint)
3014 (process_define_constraint, process_define_register_constraint)
3015 (write_enum_constraint_num, write_lookup_constraint)
3016 (write_insn_constraint_len, write_regclass_for_constraint)
3017 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3018 (write_insn_extra_memory_constraint)
3019 (write_insn_extra_address_constraint)
3020 (write_satisfies_constraint_fns): New.
3021 (write_tm_preds_h): If we have new-style constraint definitions,
3022 prototype the functions generated from them, and define the
3023 old constraint interface (still used by generic code) in terms of
3025 (write_insn_preds_c): If we have new-style constraint definitions,
3026 generate all relevant functions from those definitions.
3027 (main): Handle define_constraint etc.
3028 * genoutput.c (struct constraint_data, indep_constraints)
3029 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3030 (mdep_constraint_len): New data structures and functions, defined
3031 #ifdef USE_MD_CONSTRAINTS.
3032 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3033 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3034 use new logic to validate operand constraints against constraint
3036 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3038 * defaults.h: If none of the old-style constraint macros are
3039 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3040 old-style macros; and poison REG_CLASS_FROM_LETTER,
3041 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3043 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3044 * doc/md.texi: Document new constraint-definition mechanism and the
3045 C interface it provides. Remove references to old mechanism
3046 elsewhere in the document.
3047 (Machine Constraints): Use pathnames relative to gcc directory,
3048 i.e. config/ARCH/FILE. Change i386 section to refer to
3049 config/i386/predicates.md; update that section to match docstrings.
3050 * doc/tm.texi: Move all documentation of the old constraint-
3051 definition macros to their own section, clearly mark as obsolete.
3053 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3054 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3056 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3057 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3058 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3060 (splits and peepholes): Use satisfies_constraint_*.
3061 * config/i386/i386.c (memory_address_length)
3062 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3064 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3066 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3067 scalar operation to be put back into the loop.
3069 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3072 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3073 (extract_cie_info): Handle S flag in augmentation string.
3074 (execute_cfa_program): If context->signal_frame, execute also
3075 fs->pc == context->ra instructions.
3076 (uw_frame_state_for): If context->signal_frame, don't subtract one
3077 from context->ra to find FDE.
3078 (uw_update_context_1): Set context->signal_frame to
3080 (_Unwind_GetIPInfo): New function.
3081 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3082 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3084 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3085 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3086 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3087 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3088 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3089 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3090 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3091 x86_64_fallback_frame_state): Set fs->signal_frame.
3092 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3093 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3094 (frob_update_context): Likewise. Workaround missing S flag in
3095 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3096 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3097 Remove the psw_addr + 1 hack.
3099 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3101 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3102 with aggregates here.
3103 (find_func_aliases): Remove code for &<aggregate> from here.
3105 2006-02-26 Roger Sayle <roger@eyesopen.com>
3107 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3108 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3109 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3112 2006-02-26 Roger Sayle <roger@eyesopen.com>
3115 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3117 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3119 * opts.c (decode_options): Do not handle flag_strength_reduce.
3120 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3121 and OPT_fstrength_reduce.
3122 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3123 flag_prefetch_loop_arrays for being nonzero.
3124 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3126 (fprefetch-loop-arrays-rtl): Removed.
3127 (flag_prefetch_loop_arrays): Do not specify the value.
3129 * doc/passes.texi: Update documentation of loop optimizer
3131 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3132 -frerun-loop-opt): Remove.
3134 2006-02-26 Richard Guenther <rguenther@suse.de>
3136 PR tree-optimization/26421
3137 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3138 in function calls that are ADDR_EXPRs as using the whole structure.
3140 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3142 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3143 * tree-pass.h (pass_loop_optimize): Remove.
3144 * passes.c (pass_loop_optimize): Never run it.
3145 * toplev.c (backend_init): Don't call init_loop.
3146 * opts.c (flag_loop_optimize_set): Remove.
3147 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3148 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3149 the old RTL loop optimizer when profiling enabled.
3150 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3151 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3152 pre-headers for the sake of the old RTL loop optimizer.
3153 * Makefile.in: Remove all references to loop.o.
3155 * doc/invoke.texi: Remove all references to -floop-optimize
3156 and -frerun-loop-opt.
3158 2006-02-26 Zack Weinberg <zackw@panix.com>
3160 * doc/md.texi (Machine Constraints): Refer to all files with paths
3161 relative to gcc directory (i.e. config/CPU/file). Add missing
3162 @table @code ... @end table to M32C subsection.
3164 2006-02-26 Roger Sayle <roger@eyesopen.com>
3166 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3168 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3170 2006-02-26 Roger Sayle <roger@eyesopen.com>
3171 James A. Morrison <phython@gcc.gnu.org>
3174 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3175 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3176 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3177 signedness of the shift operation.
3179 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3181 PR tree-optimization/26359
3182 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3184 2006-02-25 Roger Sayle <roger@eyesopen.com>
3186 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3187 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3188 as X == 0, and some symmetry related transformations.
3189 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3191 2006-02-25 Roger Sayle <roger@eyesopen.com>
3194 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3195 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3196 symmetry related transformations. Fold (X^C1) == C2 as
3199 2006-02-25 Juergen Weigert <jw@suse.de>
3200 Richard Guenther <rguenther@suse.de>
3202 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3204 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3206 * combine.c (gen_lowpart_or_truncate): Call
3207 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3209 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3211 * doc/invoke.texi: Move -fopenmp description to "Options for
3213 Remove reference to -lgomp.
3215 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3217 * doc/install.texi: Require GNU tar version 1.14.
3219 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3221 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3222 * doc/invoke.texi (C++ Dialect Options): Document
3223 -fno-use-cxa-get-exception-ptr.
3224 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3225 * configure: Regenerate.
3226 * c.opt (fuse-cxa-get-exception-ptr): New.
3227 * c-opts.c (c_common_handle_option): Handle
3228 OPT_fuse_cxa_get_exception_ptr.
3229 * c-common.c (flag_use_cxa_atexit): Update documentation.
3230 (flag_use_cxa_get_exception_ptr): New.
3231 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3232 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3234 (C_COMMON_OVERRIDE_OPTIONS): New.
3236 2006-02-24 Roger Sayle <roger@eyesopen.com>
3239 * combine.c (try_combine): Explicitly check whether GET_CODE is
3240 a SET or a CLOBBER, instead on checking that it isn't a USE.
3242 2006-02-24 Roger Sayle <roger@eyesopen.com>
3244 * fold-const.c (fold_comparison): New subroutine of fold_binary
3245 containing transformations common to both the equality and
3246 ordering relational operators, factored out of fold_binary.
3247 (fold_binary): Separate out the equality operators (EQ_EXPR
3248 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3249 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3250 transformations common to both.
3251 (fold_div_compare): Fix latent bugs in the previously unreachable
3252 LT_EXPR and GE_EXPR cases.
3254 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3256 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3257 decl libname for clog to __clog on AIX.
3259 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3261 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3264 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3265 output traceback table for thunks. Localise rs6000_stack_info call.
3267 2006-02-23 Roger Sayle <roger@eyesopen.com>
3268 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3270 * gthr-posix.h (__gthrw): Fix typo in comment.
3272 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3274 * doc/cpp.texi (Character sets): Document that we do support
3275 input files to be in any character set.
3277 2006-02-23 Jeff Law <law@redhat.com>
3279 * tree.h (PHI_ARG_NONZERO): Remove.
3280 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3281 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3282 node to the new node.
3284 PR tree-optimization/26425
3285 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3286 min/max, then assume its varying.
3288 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3290 PR rtl-optimization/26316
3291 * rtlanal.c (enum may_trap_p_flags): New.
3292 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3293 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3294 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3295 (may_trap_after_code_motion_p): New function.
3296 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3297 (find_invariant_insn): Use may_trap_after_code_motion_p.
3298 * rtl.h (may_trap_after_code_motion_p): Declare.
3300 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3302 * emit-rtl.c (immed_double_const): Cleanup.
3304 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3306 Fix PR tree-optimization/26376
3307 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3310 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3313 * gimplify.c (omp_add_variable): Guard variable size decl test with
3314 DECL_SIZE (decl) check.
3316 2006-02-23 Richard Guenther <rguenther@suse.de>
3319 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3320 like aggregate types.
3322 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3324 * configure.ac: Add --with{,out}-long-double-128 configure option.
3325 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3326 * configure: Rebuilt.
3327 * config.in: Rebuilt.
3328 * doc/install.texi (Options specification): Document
3329 --with-long-double-128.
3331 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3332 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3333 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3334 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3336 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3338 * config/s390/s390.c (override_options): Handle
3339 TARGET_DEFAULT_LONG_DOUBLE_128.
3341 * config/alpha/alpha.c (override_options): Handle
3342 TARGET_DEFAULT_LONG_DOUBLE_128.
3344 * config/sparc/sparc.c (sparc_override_options): Handle
3345 TARGET_DEFAULT_LONG_DOUBLE_128.
3347 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3349 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3350 (real-install-headers-tar, real-install-headers-cpio)
3351 (real-install-headers-cp): New targets.
3353 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3355 * tree.h (variable_section): Delete.
3356 * varasm.c (variable_section): Delete.
3358 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3360 * install.texi: Add notes on install.texi2html.
3361 (Building in parallel): Do not use footnotes.
3363 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3366 * doc/install.texi (Configuration): Document --disable-libgomp.
3368 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3370 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3372 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3374 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3375 (vec_extractv2df_0_sse): New.
3377 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3379 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3380 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3381 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3382 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3383 to the result of the expression.
3384 (def_cfa_1): Adjust.
3385 (frame_pointer_cfa_offset): Rename to...
3386 (frame_pointer_fb_offset): ... this. Adjust all uses.
3387 (convert_cfa_to_loc_list): Rename to...
3388 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3389 Pass it on to build_cfa_loc.
3390 (compute_frame_pointer_to_cfa_displacement): Rename to...
3391 (compute_frame_pointer_to_fb_displacement): ... this. New
3392 offset parameter. Use it in computation.
3393 (gen_subprogram_die): Compute cfa_fb_offset with the new
3394 macro, and use it to compute the fb loc list and the
3397 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3399 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3400 replaced with register_operand.
3401 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3402 non-DREG is expensive.
3403 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3404 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3407 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3409 * doc/install.texi2html: Use set -e.
3411 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3413 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3414 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3415 * doc/invoke.texi (-fshared-data): Delete.
3416 * common.opt (fshared-data): Delete.
3417 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3418 (assemble_static_space): Remove #if 0 code.
3419 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3420 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3421 * config/cris/cris.h: Remove FIXME.
3423 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3425 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3428 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3431 * combine.c (simplify_shift_const_1): Disable nested shifts
3432 optimization for vector shifts.
3434 2006-02-20 Roger Sayle <roger@eyesopen.com>
3436 PR tree-optimization/26361
3437 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3438 of unsigned integer types.
3440 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3442 * tree-chrec.c (eq_evolutions_p): New.
3443 * tree-chrec.h (eq_evolutions_p): Declared.
3444 * tree-data-ref.c: Fix formatting.
3445 (datadep_stats, dependence_stats): New.
3447 (print_direction_vector): New.
3448 (dump_data_dependence_relation): Use print_direction_vector.
3449 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3450 (compute_subscript_distance): Static.
3451 (initialize_data_dependence_relation): Static. Get the number
3452 of loops surrounding the references from the callers, and initialize
3453 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3454 base_object_differ_p analyzers.
3455 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3456 compute_overlap_steps_for_affine_1_2,
3457 analyze_subscript_affine_affine): Count the classified dependences.
3458 Print a message when a test failed.
3459 (can_use_analyze_subscript_affine_affine): New.
3460 (analyze_siv_subscript): Compute the data dependences on symbolic
3461 scevs that verify can_use_analyze_subscript_affine_affine.
3462 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3463 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3464 Handle symbolic scevs.
3465 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3467 (subscript_dependence_tester): Moved...
3468 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3469 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3470 DDR_SIZE_VECT instead of getting it in parameter.
3471 (subscript_dependence_tester): ... here. Take as a parameter
3472 loop_nest_depth. Call build_classic_dist_vector and
3473 build_classic_dir_vector.
3474 (compute_affine_dependence): Update subscript_dependence_tester
3475 parameters. Update datadep_stats counters. Call
3476 compute_subscript_distance.
3477 (compute_self_dependence): Save the dist and dir vectors. Call
3478 compute_subscript_distance.
3479 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3480 (compute_all_dependences): Reorder parameters as they were before
3481 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3482 compute_subscript_distance. Update the use of
3483 compute_affine_dependence and initialize_data_dependence_relation.
3484 (find_data_references_in_loop): Handle COMPONENT_REF.
3485 (compute_data_dependences_for_loop): Initialize dependence_stats.
3486 Don't call build_classic_dist_vector and build_classic_dir_vector.
3487 Update the parameters of initialize_data_dependence_relation and
3488 compute_all_dependences. Print the statistics from datadep_stats.
3489 (analyze_all_data_dependences): Static. Not used until the pass for
3490 checking the data dependences is contributed.
3491 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3492 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3493 (initialize_data_dependence_relation, compute_affine_dependence,
3494 analyze_all_data_dependences, compute_subscript_distance): Removed.
3495 (print_direction_vector): New.
3496 * lambda.h (gcd): ... here.
3497 (lambda_vector_gcd): Moved here from gcd_vector.
3498 * lambda-code.c (gcd, gcd_vector): Removed.
3499 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3500 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3502 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3504 * ipa-type-escape.c: Tidy some comments and white space.
3505 * tree-ssa-operands.c: Likewise.
3507 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3510 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3511 (dump_decl_name): Do not walk the decl tree chains.
3512 * tree-pass.h (TDF_CHAIN): Remove.
3514 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3516 * Makefile.in (C): Remove
3518 (.PHONY): Remove C and PROTO
3520 2006-02-20 Roger Sayle <roger@eyesopen.com>
3523 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3524 deprecated CHAR_TYPE tree code.
3526 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3528 * configure.ac (target_list): Add install-info, dvi, html.
3529 * configure: Regenerate.
3531 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3532 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3533 treelang/Make-lang.in: Do not use double-colon rules.
3535 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3537 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3538 (TMT_USED_ALONE): New macro.
3539 * tree-pass.h (PROP_tmt_usage): New property.
3540 (TODO_update_tmt_usage): New todo.
3541 * tree-ssa-alias.c (updating_used_alone): New variable.
3542 (recalculate_used_alone): New function.
3543 (compute_may_aliases): Set updating_used_alone, call
3544 recalculate_used_alone.
3545 * tree-sra.c (pass_sra): Note that this pass destroys
3546 PROP_tmt_usage, and add TODO_update_tmt_usage.
3547 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3548 * tree-flow.h (updating_used_alone): Prototype.
3549 (recalculate_used_alone): Ditto.
3550 * passes.c (execute_todo): Add code to set updating_used_alone,
3551 and call recalculate.
3552 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3553 for clobber if used alone, and add assert to verify used_alone
3556 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3558 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3559 for non tls symbols added.
3560 (legitimize_address): Do nothing for PLUS expressions if one of the
3561 addends is a tls symbol reference.
3563 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3567 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3569 * Makefile.in (BOOTSTRAPPING): New.
3570 (quickstrap): New definition if BOOTSTRAPPING=yes.
3572 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3573 * configure.ac: Substitute all_selected_languages with the languages
3574 that were configured. For all the other variables except
3575 lang_specs_files, include all the languages in the tree.
3576 * configure: Regenerate.
3578 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3579 if there is one. Run the commands to run fixincludes in the same
3582 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3583 * doc/install.texi: Document exact conventions for searching target tools.
3584 Document --with-build-time-tools. Document toplevel bootstrap. Document
3585 something more about building an Ada cross-compiler. Don't list GNU Make
3586 requirements which affect all platforms.
3588 2006-02-19 Roger Sayle <roger@eyesopen.com>
3591 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3592 only equivalent if the have both the same mode and precision.
3594 2006-02-20 Ben Elliston <bje@au.ibm.com>
3596 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3598 2006-02-19 Roger Sayle <roger@eyesopen.com>
3599 Steven Bosscher <stevenb.gcc@gmail.com>
3601 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3602 constant pool references to identify stack mode constants.
3603 * rtlanal.c (constant_pool_constant_p): New predicate to check
3604 whether operand is a floating point constant in the pool.
3605 * rtl.h (constant_pool_constant_p): Prototype here.
3606 * loop.c (scan_loop): Avoid hoisting constants from the constant
3607 pool on STACK_REGS targets.
3608 (load_mems): Likewise.
3609 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3610 loads into x87 registers expensive in terms of register pressure.
3612 2006-02-19 Roger Sayle <roger@eyesopen.com>
3614 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3615 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3617 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3619 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3620 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3622 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3624 * doc/invoke.texi: Document -fipa-pta.
3625 * common.opt: Add ipa-pta option.
3626 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3627 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3628 (do_ds_constraint): Ditto.
3629 (get_constraint_for): Only add to referenced_vars if
3630 referenced_vars exists.
3631 (insert_into_field_list): Rewrite to do this unsorted.
3632 (insert_into_field_list_sorted): Rename old insert_into_field_list
3634 (create_function_info_for): Use insert_into_field_list_sorted.
3635 (create_variable_info_for): Rewrite so it uses unsorted version,
3636 since the field list is sorted.
3637 (intra_create_variable_infos): Only add to referenced_vars if
3638 referenced_vars exists.
3639 (ipa_pta_execute): Init heapvars, and delete when done.
3640 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3642 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3644 * doc/install.texi: Add missing `@samp'.
3646 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3648 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3651 2006-02-18 Mark Wielaard <mark@klomp.org>
3653 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3654 who added new 4.1 features, bug fixes and integration support.
3656 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3659 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3662 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3664 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3665 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3666 (copy_insn_1): Likewise. Don't copy each field individually.
3668 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3670 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3671 * rtl.c (rtx_size): Rename variable to...
3672 (rtx_code_size): ...this.
3673 (rtx_size): New function.
3674 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3675 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3677 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3678 * rtl.h (rtx_code_size): New variable.
3679 (rtx_size): Change from a variable to a function.
3680 (RTX_SIZE): Rename to...
3681 (RTX_CODE_SIZE): ...this.
3684 PR tree-optimization/17106
3685 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3686 (Anchored Addresses): New section.
3687 * doc/invoke.texi (-fsection-anchors): Document.
3688 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3689 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3690 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3691 * hooks.c (hook_bool_mode_rtx_false): New function.
3692 * hooks.h (hook_bool_mode_rtx_false): Declare.
3693 * gengtype.c (create_optional_field): New function.
3694 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3695 SYMBOL_REF_IN_BLOCK_P is true.
3696 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3697 (min_anchor_offset, max_anchor_offset): Likewise.
3698 (use_anchors_for_symbol_p): New hook.
3699 * toplev.c (compile_file): Call output_object_blocks.
3700 (target_supports_section_anchors_p): New function.
3701 (process_options): Check that -fsection-anchors is only used on
3702 targets that support it and when -funit-at-a-time is in effect.
3703 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3704 if the decl doesn't have one.
3705 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3706 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3707 of force_const_mem through use_anchored_address.
3708 (expand_expr_constant): New function.
3709 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3710 calling expand_expr for INDIRECT_REF.
3711 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3712 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3713 * expr.h (use_anchored_address): Declare.
3714 * loop-unroll.c: Don't declare rtx vectors here.
3715 * explow.c: Include output.h.
3716 (validize_mem): Call use_anchored_address.
3717 (use_anchored_address): New function.
3718 * common.opt (-fsection-anchors): New switch.
3719 * varasm.c (object_block_htab, anchor_labelno): New variables.
3720 (hash_section, object_block_entry_eq, object_block_entry_hash)
3721 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3722 (use_blocks_for_decl_p, change_symbol_section): New functions.
3723 (get_variable_section): New function, split out from assemble_variable.
3724 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3725 use_blocks_for_decl_p say so. Use change_symbol_section if the
3726 symbol has already been created.
3727 (assemble_variable_contents): New function, split out from...
3728 (assemble_variable): ...here. Don't output any code for
3729 block symbols; just pass them to place_block_symbol.
3730 Use get_variable_section and assemble_variable_contents.
3731 (get_constant_alignment, get_constant_section, get_constant_size): New
3732 functions, split from output_constant_def_contents.
3733 (build_constant_desc): Create a block symbol if use_object_blocks_p
3734 says so. Or into SYMBOL_REF_FLAGS.
3735 (assemble_constant_contents): New function, split from...
3736 (output_constant_def_contents): ...here. Don't output any code
3737 for block symbols; just pass them to place_section_symbol.
3738 Use get_constant_section and get_constant_alignment.
3739 (force_const_mem): Create a block symbol if use_object_blocks_p and
3740 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3741 (output_constant_pool_1): Add an explicit alignment argument.
3742 Don't switch sections here.
3743 (output_constant_pool): Adjust call to output_constant_pool_1.
3744 Switch sections here instead. Don't output anything for block symbols;
3745 just pass them to place_block_symbol.
3746 (init_varasm_once): Initialize object_block_htab.
3747 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3748 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3749 (place_block_symbol, get_section_anchor, output_object_block)
3750 (output_object_block_htab, output_object_blocks): New functions.
3751 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3752 (TARGET_ASM_OUT): Include it.
3753 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3754 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3755 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3756 (TARGET_INITIALIZER): Include them.
3757 * rtl.c (rtl_check_failed_block_symbol): New function.
3758 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3759 (block_symbol, object_block): New structures.
3760 (rtx_def): Add a block_symbol field to the union.
3761 (BLOCK_SYMBOL_CHECK): New macro.
3762 (rtl_check_failed_block_symbol): Declare.
3763 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3764 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3765 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3766 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3767 * output.h (output_section_symbols): Declare.
3768 (object_block): Name structure.
3769 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3770 (default_use_anchors_for_symbol_p): Declare.
3771 * Makefile.in (RTL_BASE_H): Add vec.h.
3772 (explow.o): Depend on output.h.
3773 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3774 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3775 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3776 (rs6000_use_blocks_for_constant_p): New function.
3778 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3780 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3782 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3785 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3788 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3790 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3794 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3797 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3798 instead of DECL_REGISTER.
3800 2006-02-18 Olivier Hainque <hainque@adacore.com>
3803 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3805 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3808 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3809 * opth-gen.awk: Handle Var and InverseMask together.
3810 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3811 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3812 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3813 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3815 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3816 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3817 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3818 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3819 LINUX_DYNAMIC_LINKER): Define.
3820 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3821 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3823 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3824 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3825 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3826 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3827 (TARGET_C99_FUNCTIONS): Don't define.
3828 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3829 GLIBC_DYNAMIC_LINKER.
3830 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3831 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3832 GLIBC_DYNAMIC_LINKER64): Define.
3833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3834 LINUX_DYNAMIC_LINKER64.
3835 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3837 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3839 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3840 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3841 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3842 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3843 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3844 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3845 and LINUX_DYNAMIC_LINKER32.
3846 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3848 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3850 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3852 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3853 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3854 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3855 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3856 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3857 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3858 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3859 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3860 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3861 LINUX_DYNAMIC_LINKER): Define.
3862 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3863 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3864 GLIBC_DYNAMIC_LINKER64): Define.
3865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3866 LINUX_DYNAMIC_LINKER64.
3867 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3868 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3869 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3870 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3871 LINUX_DYNAMIC_LINKER): Define.
3872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3873 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3874 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3875 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3876 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3877 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3878 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3879 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3880 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3881 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3882 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3883 * doc/invoke.texi (-muclibc): Remove caveat about supported
3886 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3888 * doc/cpp.texi (__TIMESTAMP__): Document.
3890 2006-02-17 Roger Sayle <roger@eyesopen.com>
3893 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3894 C is one less than the width of X (and related transformations).
3895 * simplify-rtx.c (simplify_unary_operation_1): Transform
3896 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3897 depending on STORE_FLAG_VALUE, were C is one less then the
3900 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3902 Fix PR tree-optimization/26341
3903 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3904 about NAME_MEMORY_TAG's.
3906 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3909 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3910 with hardware float support, and software float support. Add fcpy
3911 alternative to hardware patterns. Add alternatives to copy between
3912 general and floating-point registers to the 32-bit pattern.
3913 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3914 secondary reload to load a QI or HI mode constant into a floating
3916 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3917 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3919 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3922 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3924 (load_macho_picbase_di): Likewise.
3926 2006-02-16 Jeff Law <law@redhat.com>
3928 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3929 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3930 (ssa_name_nonzero_p): Likewise.
3931 (get_value_range): Return NULL if VRP is not running.
3932 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3933 VRP routines do not discover a range.
3934 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3935 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3936 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3937 (tree_expr_nonnegative_p): Similarly.
3938 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3939 (restore_nonzero_vars_to_original_value): Remove.
3940 (unsafe_associative_fp_binop): Remove.
3941 (tree_ssa_dominator_optimize): Remove initialization and
3942 finalization of nonzero_vars and nonzero_vars_stack.
3943 (dom_opt_initialize_block): No longer push marker on
3945 (dom_opt_finalize_block): No longer call
3946 restore_nonzero_vars_to_original_value.
3947 (record_equivalences_from_phis): No longer look for
3948 nonzero PHI arguments.
3949 (cprop_into_successor_phis): No longer propagate nonzero
3950 property into PHI arguments. Lose unused argument. Caller
3952 (record_equivalences_from_stmt): No longer record nonzero
3953 values for SSA_NAMEs.
3954 (lookup_avail_expr): No longer use nonzero_vars.
3956 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3957 for sizetype when sizetype is unsigned.
3959 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3961 PR rtl-optimization/25603
3962 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3963 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3964 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3965 with new meaning of SETS.
3967 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3972 * config/linux.opt: New file.
3973 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3974 LINUX_DYNAMIC_LINKER): Define.
3975 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3976 * config.gcc (*-*-linux*): Define extra_options.
3977 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3978 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3979 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3980 GLIBC_DYNAMIC_LINKER.
3981 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3982 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3983 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3984 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3985 * doc/invoke.texi (GNU/Linux Options): New section.
3987 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3989 * config/sparc/sparc.md (setjmp): Rewrite.
3990 (setjmp_32): Delete.
3991 (setjmp_64): Likewise.
3993 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3995 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3998 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4000 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4003 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4005 PR rtl-optimization/26296
4006 * Makefile.in (loop-invariant.c): Add except.h dependency.
4007 * loop-invariant.c: Include except.h.
4008 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4010 2005-02-16 Paul Brook <paul@codesourcery.com>
4012 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4015 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4017 PR rtl-optimization/25636
4018 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4019 when deciding whether an insn is an initializing insn.
4021 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4023 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4024 (tree_code_size): Ditto.
4025 * tree.h (struct tree_memory_tag): Remove parent_var.
4026 (struct tree_struct_field_tag): New.
4029 (union tree_node): Add sft member.
4030 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4032 (create_sft): Add size and offset argument, set SFT_OFFSET and
4034 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4035 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4036 * tree-flow-inline.h (get_subvar_at): Update for
4037 SFT_OFFSET/SFT_SIZE.
4038 (var_can_have_subvars): Ditto.
4039 (overlap_subvar): Ditto.
4040 * print-tree.c (print_node): Print out interesting things for
4042 * tree-flow.h (struct subvar): Remove offset and size members.
4043 * tree-ssa-operands.c (get_expr_operands): Update for
4044 get_indirect_ref_operands changes.
4045 (get_indirect_ref_operands): Call add_virtual_operand instead of
4046 add_stmt_operand. Only recurse on base var if requested.
4047 (access_can_touch_variable): New function.
4048 (add_stmt_operand): Split virtual operand handling into ...
4049 (add_virtual_operand): Here. Add offset, size, and for_clobber
4050 arguments. Prune alias sets.
4051 (add_call_clobber_ops): Call add_virtual_operand.
4053 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4056 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4058 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4059 than TREE_CODE as index into omp_clause_num_ops array.
4061 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4063 PR rtl-optimization/26184
4064 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4066 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4067 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4068 must_precede, must_follow and tobe_scheduled.
4071 * opts.c (common_handle_option): Free new_option pointer.
4072 * df-core.c (df_analyze): Free postorder pointer.
4074 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4076 * Makefile.in: Fix the examples about the use of stamps
4078 2006-02-15 Michael Matz <matz@suse.de>
4082 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4083 influenced by maximum_field_alignment or DECL_PACKED.
4084 (update_alignment_for_field): Ditto.
4085 (place_field): Ditto.
4086 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4089 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4091 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4092 (debug_flow_info): Pass it.
4093 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4094 * bb-reorder.c (reorder_basic_blocks): Likewise.
4095 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4096 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4097 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4098 * gcse.c (gcse_main, bypass_jumps): Likewise.
4099 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4100 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4101 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4102 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4103 * rtl.h (dump_flow_info): Adjust prototype.
4104 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4105 * var-tracking.c (variable_tracking_main): Likewise.
4106 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4107 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4110 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4112 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4115 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4117 PR tree-optimization/26209
4118 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4119 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4121 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4123 2006-02-14 Roger Sayle <roger@eyesopen.com>
4126 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4127 (X,Y) and the corresponding symmetry related transformations.
4128 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4129 (X,Y) and its symmetry related transformations.
4131 2006-02-14 Roger Sayle <roger@eyesopen.com>
4133 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4136 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4138 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4140 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4143 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4144 support COMDAT group.
4145 * configure: Regenerate.
4147 2006-02-14 Roger Sayle <roger@eyesopen.com>
4152 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4154 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4156 Fix PR tree-optimization/26260
4158 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4160 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4161 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4162 * tree-ssa-structalias.c (create_variable_info_for): Use
4163 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4165 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4167 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4169 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4170 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4171 of the ending condition.
4172 * tree-ssa-loop-manip.c: Include params.h.
4173 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4174 tree_unroll_loop): New functions.
4175 * tree-pass.h (pass_loop_prefetch): Declare.
4176 * loop.c (rest_of_handle_loop_optimize): Test for
4177 -fprefetch-loop-arrays-rtl.
4178 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4179 * timevar.def (TV_TREE_PREFETCH): New timevar.
4180 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4181 pass_loop_prefetch): New.
4182 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4183 (cleanup_tree_cfg_loop): Call scev_reset.
4184 * common.opt (fprefetch-loop-arrays-rtl): Add.
4185 * tree-ssa-loop-prefetch.c: New file.
4186 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4187 (new_temp_expr_table): Initialize expr_vars.
4188 (free_temp_expr_table): Cleanup expr_vars.
4189 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4190 expressions from being merged into one.
4191 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4192 (struct tree_niter_desc): Add control, bound and cmp fields.
4193 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4195 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4196 (tree-cfgcleanup.o): Add SCEV_H dependency.
4197 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4198 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4200 2006-02-14 Richard Guenther <rguenther@suse.de>
4202 PR tree-optimization/26258
4203 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4204 in PHI argument processing.
4206 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4208 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4209 new expression in the requested machine mode.
4211 2006-02-13 Roger Sayle <roger@eyesopen.com>
4213 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4214 directly, instead let do_compare_rtx_and_jump handle this for us.
4215 * expr.c (expand_expr_real_1): Likewise.
4216 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4217 before do_jump_by_parts_greater.
4218 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4219 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4221 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4223 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4225 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4227 PR rtl-optimization/26235
4228 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4229 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4232 2006-02-13 Jeff Law <law@redhat.com>
4234 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4237 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4240 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4241 twice if decl is a builtin. When trying again, call get_callee_fndecl
4242 first to verify it is still a builtin.
4244 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4246 * dwarf2out.c (base_type_die): Don't add AT_name here.
4247 (subrange_type_die): Don't add AT_name here.
4248 (modified_type_die): Rearrange code flow. Do add AT_name here.
4250 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4252 PR rtl-optimization/26247
4253 PR rtl-optimization/26248
4254 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4256 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4258 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4259 * config/fixtfdi.c: Likewise.
4260 * config/fixunstfdi.c: Likewise.
4261 * config/floatditf.c: Likewise.
4263 2006-02-13 Roger Sayle <roger@eyesopen.com>
4266 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4267 into (X,C2) if C1 is a subset of the bits of C2. Transform
4268 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4270 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4272 2006-02-13 Josh Conner <jconner@apple.com>
4275 * varasm.c (function_section): Check for section name before
4276 calling select_section on targets that define
4277 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4278 unlikely_text_section instead of hot_function_section if
4279 first_function_block_is_cold.
4281 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4284 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4286 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4288 PR rtl-optimization/26222
4289 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4290 after tree->rtl expansion.
4291 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4292 before passing it to emit_move_insn.
4294 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4296 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4298 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4299 Clarify documentation.
4300 * c-common.h (warn_write_strings): Remove.
4301 * c-common.c (warn_write_strings): Likewise.
4302 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4305 2006-02-12 Roger Sayle <roger@eyesopen.com>
4308 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4309 (do_jump_parts_zero_rtx): New function renamed from
4310 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4311 (do_jump_parts_equality_rtx): New function split out from
4312 do_jump_parts_equality. Old implementation renamed as above.
4313 Call do_jump_parts_zero_rtx if either operand is zero.
4314 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4315 do all of the heavy lifting.
4316 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4317 calling either do_jump_by_parts_greater_rtx or
4318 do_jump_by_parts_equality_rtx.
4319 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4320 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4321 moved to do_compare_rtx_and_jump, call it directly.
4322 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4323 mode argument. Call do_compare_rtx_and_jump.
4324 (emit_case_nodes): Update calls to do_jump_if_equal.
4326 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4328 PR rtl-optimization/26225
4329 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4331 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4333 PR rtl-optimization/26232
4334 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4336 2006-02-11 Jason Merrill <jason@redhat.com>
4339 * tree-inline.c (declare_return_variable): Just don't use the
4340 modify target if it's a gimple complex reg and the return slot
4343 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4345 * doc/contrib.texi: Update my entry.
4347 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4349 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4351 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4353 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4356 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4358 * doc/invoke.texi (-floop-optimize2): Removed.
4359 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4360 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4361 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4362 * common.opt (floop-optimize2): Removed.
4363 (fmove-loop-invariants): Enabled by default.
4365 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4367 * tree-if-conv.c (combine_blocks): Free the result of
4368 get_loop_exit_edges.
4370 2006-02-10 Jeff Law <law@redhat.com>
4372 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4374 PR tree-optimization/26213
4375 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4376 loop trying to follow SSA_NAME_VALUE chains.
4378 2006-02-10 Richard Guenther <rguenther@suse.de>
4380 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4381 deal with structures that end in implicitly variable sized arrays.
4383 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4385 PR rtl-optimization/24762
4386 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4389 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4391 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4392 (struct ivopts_data): Add regs_used field.
4393 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4394 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4395 instead of loop_data->regs_used;
4396 (free_loop_data): Do not free aux fields for loops.
4397 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4398 and tree_ssa_iv_optimize_finalize.
4400 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4402 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4404 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4407 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4408 computing the effective result type.
4410 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4413 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4414 (tree_overlaps_hard_reg_set): Declare.
4415 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4416 type and signature to match function type expected by walk_tree.
4417 (tree_overlaps_hard_reg_set): New function.
4418 (decl_conflicts_with_clobbers_p): Rename to:
4419 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4420 Use tree_overlaps_hard_reg_set. Changed caller.
4421 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4422 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4423 * cris.c (cris_md_asm_clobbers): Likewise.
4425 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4427 * reload1.c (emit_input_reload_insns): Delete code that tries to
4428 inherit using find_equiv_reg.
4430 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4432 * c-common.h (flag_const_strings): Don't declare.
4433 * c-common.c (flag_const_strings): Remove.
4434 * c.opt (fconst_strings): Remove.
4435 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4436 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4437 (c_common_init_options): Don't set flag_const_strings.
4438 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4440 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4442 * arm.md (tlobits_cbranch): New pattern.
4443 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4444 testing a single bit.
4446 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4449 * tree-ssa-pre.c (create_component_ref_by_pieces):
4450 Handle RETURN_DECL like VAR_DECL.
4452 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4455 * fold-const.c (fold_indirect_ref_1): Fold
4456 "*(foo *)&complexfoo" to "__real__ complexfoo"
4457 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4459 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4461 * tree-flow-inline.h (var_can_have_subvars):
4462 Volatile variables should not have subvariables.
4464 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4467 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4468 multiplying unsigned values.
4471 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4473 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4475 2006-02-08 Jason Merrill <jason@redhat.com>
4478 * tree.def: Elaborate on difference from MODIFY_EXPR.
4479 * doc/c-tree.texi (INIT_EXPR): Likewise.
4480 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4481 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4482 (gimplify_target_expr): Likewise.
4483 (gimplify_cond_expr): Remove target handling.
4484 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4485 (gimplify_expr): Clobber it here.
4486 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4487 Do return slot optimization if we have an INIT_EXPR.
4490 * tree-inline.c (declare_return_variable): Also clear
4491 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4494 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4497 * gimplify.c (gimplify_one_sizepos): Fix typo.
4499 2006-02-08 Jeff Law <law@redhat.com>
4501 PR tree-optimization/21417
4502 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4503 across a backedge if the control statement at the end of the
4504 block is data dependent on other statements in the same block.
4505 (record_temporary_equivalences_from_stmts): Remove over-conservative
4506 test for threading across backedges.
4508 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4509 control statement, handle all three special cases in the same
4510 manner as they all have the same desired solution. No longer
4511 special case edge flag updating when the post dominator is
4514 2006-02-08 Roger Sayle <roger@eyesopen.com>
4516 * tree.def (CHAR_TYPE): Remove.
4517 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4518 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4519 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4520 (gen_string_type_die): Delete unreachable function.
4522 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4523 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4524 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4525 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4526 * builtins.c (type_to_class): Likewise.
4527 * fold-const.c (fold_convert, build_range_check,
4528 merge_ranges): Likewise.
4529 * expr.c (count_type_elements): Likewise.
4530 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4531 * stor-layout.c (layout_type): Likewise.
4532 * ipa-type-escape.c (type_to_consider): Likewise.
4533 * gimplify.c (omp_firstprivatize_type_sizes,
4534 gimplify_type_sizes): Likewise.
4535 * explow.c (promote_mode): Likewise.
4536 * tree-sra.c (is_sra_scalar_type): Likewise.
4537 * varasm.c (output_constant): Likewise.
4538 * tree-inline.c (remap_type_1): Likewise.
4539 * convert.c (convert_to_pointer, convert_to_real,
4540 convert_to_integer, convert_to_complex): Likewise.
4542 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4544 * df-scan.c (df_def_record_1): A set destination may
4545 be a parallel regardless of mode.
4547 2006-02-08 Roger Sayle <roger@eyesopen.com>
4550 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4551 * config/mips/_tilib.c: Remove.
4552 * config/fixtfdi.c: New libgcc source file.
4553 * config/fixunstfdi.c: New source file.
4554 * config/floatditf.c: New source file.
4555 * config/floatunditf.c: New souce file.
4556 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4557 files above instead of config/mips/_tilib.c.
4558 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4560 2006-02-08 Jeff Law <law@redhat.com>
4562 PR tree-optimization/26169
4563 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4566 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4568 * df.h (DF_REG_SIZE): Return the length of the initialized
4571 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4573 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4574 __muldf3): Return a correctly signed zero.
4576 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4578 * passes.c (register_one_dump_file): Accept the current properties
4579 instead of pass number. Adjust call to dump_register. Remove
4581 (register_dump_files): Now a wrapper around...
4582 (register_dump_files_1): ... this one. Do not modify the pass
4584 (next_pass_1): Cosmetic fix.
4585 (execute_todo): Keep second parameter only. Use curr_properties
4586 instead of fetching it from the pass structure. Check and set
4588 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4589 instead of fetching it from the pass structure. Fix calls to
4590 execute_todo. Update curr_properties and initialize .vcg RTL dump
4591 after running the pass. Reset last_verified.
4592 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4594 (FIRST_AUTO_NUMBERED_DUMP): New.
4595 (dump_register): Remove "num" parameter, assign it within the
4597 (get_dump_file_name): Modify template for dumps.
4598 * tree-dump.h (dump_register): Adjust prototype.
4599 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4600 (PROP_trees): Add PROP_gimple_lomp.
4601 (TODO_set_props): New.
4602 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4603 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4604 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4606 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4608 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4609 (sparc64-*-linux*): Likewise.
4610 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4611 * config/sparc/t-linux: New file.
4612 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4613 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4614 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4615 -m32 -mlong-double-128.
4617 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4618 * config/alpha/t-linux: New file.
4619 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4621 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4622 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4623 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4624 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4625 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4626 (CPP_ARCH32_SPEC): Remove.
4628 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4630 PR tree-optimization/26145
4631 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4634 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4637 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4638 >= 240000 when generating code for SOM runtime.
4639 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4640 to $$dyncall when generating code for SOM runtime..
4642 2006-02-07 Dirk Mueller <dmueller@suse.com>
4645 * doc/invoke.texi (-Wsequence-point): Update documentation
4646 that -Wsequence-point is implemented for C++ as well.
4648 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4650 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4651 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4652 (LIB_SPEC): Likewise.
4653 * doc/invoke.texi (SPARC options): Document -pthread.
4655 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4657 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4660 2006-02-07 Roger Sayle <roger@eyesopen.com>
4662 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4663 Correct comment describing BOOLEAN_TYPE.
4665 2006-02-07 Dirk Mueller <dmueller@suse.com>
4667 * c.opt: C++ frontend supports -Wdiv-by-zero.
4668 * c-opts.c (c_common_handle_option): Remove dead case.
4670 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4672 * configure.ac (TLS assembler check): Do not enable TLS by
4673 default on SPARC/Solaris before version 10.
4674 * configure: Regenerate.
4676 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4678 * doc/invoke.texi (xl-compat): Document conversion and support
4681 2006-02-07 Jeff Law <law@redhat.com>
4683 * tree-vrp.c (find_conditional_asserts): Update comments.
4684 (simplify_stmt_for_jump_threading): New.
4685 (identify_jump_threads, finalize_jump_threads): New.
4686 (vrp_finalize): Call identify_jump_threads.
4687 (execute_vrp): Call finalize_jump_threads.
4688 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4689 (vrp_element, vrp_data, vrp_element_p): Remove.
4690 (vrp_hash_elt, vrp_variables_stack): Remove.
4691 (vrp_hash, vrp_eq, record_range): Remove.
4692 (simplify_cond_and_lookup_avail_expr): Remove.
4693 (extract_range_from_cond): Remove.
4694 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4695 (simplify_stmt_for_jump_threading): New.
4696 (dom_thread_across_edge): New wrapper.
4697 (tree_ssa_dominator_optimize): No longer initialize or
4698 finalize any of the VRP datastructures. Remove iteration
4699 step and simplify as a result of removal of iteration step.
4700 (pass_dominator): Perform a cfg cleanup after DOM.
4701 (dom_opt_finalize_block): Use the new common routines
4702 for threading jumps. Simplify stack management slightly.
4703 No longer need to unwind VRP state.
4704 (record_equivalences_from_incoming_edge): No longer record
4706 (eliminate_redundant_computations): No longer call
4707 simplify_cond_and_lookup_avail_expr.
4708 * tree-flow.h (potentially_threadable_block): Prototype.
4709 (thread_across_edge): Likewise.
4710 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4711 (tree-ssa-threadedge.o): Add dependencies.
4712 * tree-ssa-threadedge.c: New file.
4713 * passes.c (init_optimization_passes): Merge PHIs before
4714 calling VRP. Run VRP again late in the SSA optimization pipeline.
4716 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4718 * df-core.c (df_set_blocks): Do not dereference function pointers.
4719 (df_finish1): Likewise.
4720 (df_hybrid_search_forward): Likewise.
4721 (df_hybrid_search_backward): Likewise.
4722 (df_iterative_dataflow): Likewise.
4723 (df_analyze_problem): Likewise.
4724 (df_compact_blocks): Likewise.
4725 (df_dump): Likewise.
4726 * df-scan.c (df_rescan_blocks): Likewise.
4727 (df_record_entry_block_defs): Likewise.
4729 * genconditions.c (write_conditions): Guard the definition of
4730 'insn_conditions' with the check on GCC version.
4731 (write_writer): Guard the traversal 'insn_conditions' with
4732 the check on GCC version.
4734 2006-02-07 Richard Guenther <rguenther@suse.de>
4738 2006-01-30 Richard Guenther <rguenther@suse.de>
4740 * gimplify.c (gimplify_target_expr): Handle easy cases
4741 without creating a temporary.
4743 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4745 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4746 use of float in probability computations. Use edge probabilities
4747 in place of statically computed probabilities.
4748 (min_spec_prob): New static variable.
4749 (schedule_insns): Initialize it.
4750 (GET_SRC_PROB): Removed.
4751 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4753 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4756 * config/ia64/unwind-ia64.c: Revert last change.
4757 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4758 (INCOMING_FRAME_SP_OFFSET): Define.
4760 2006-02-06 Roger Sayle <roger@eyesopen.com>
4762 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4764 2006-02-07 Ben Elliston <bje@au.ibm.com>
4766 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4767 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4768 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4769 (ix86_return_in_memory): Handle TDmode.
4770 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4771 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4773 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4775 * reorg.c (dbr_schedule): Use dump_file instead of file.
4777 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4780 * config/ia64/predicates.md (extr_len_operand): New predicate.
4781 * config/ia64/ia64.md (extv): Tighten constraints.
4783 (*tbit_and_2): Ditto.
4784 (*tbit_and_3): Ditto.
4785 (*tbit_or_2): Ditto.
4786 (*tbit_or_3): Ditto.
4790 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4793 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4795 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4797 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4798 loop_optimizer_init and loop_optimizer_finalize
4799 * tree-ssa-sink.c (execute_sink_code): Ditto.
4800 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4801 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4802 tree_ssa_loop_done): Ditto.
4803 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4804 * sched-ebb.c: Include output.h.
4805 (schedule_ebbs): Do not use dump argument.
4806 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4807 * loop.c (loop_dump_stream): Removed.
4808 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4810 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4811 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4812 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4813 loop_iterations, strength_reduce, record_biv, record_giv,
4814 final_giv_value, check_final_value, check_ext_dependent_givs,
4815 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4816 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4817 dump_file instead of loop_dump_stream.
4818 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4820 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4822 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4823 * haifa-sched.c: Include output.h
4824 (schedule_insns, sched_init): Do not use dump argument.
4825 * mode-switching.c (optimize_mode_switching): Ditto.
4826 * modulo-sched.c (stats_file): Removed.
4827 (print_node_sched_params): Do not call argument dump_file.
4828 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4829 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4831 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4833 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4834 rtl_loop_init, rtl_loop_done): Ditto.
4835 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4836 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4838 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4839 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4840 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4841 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4842 * emit-rtl.c (renumber_insns): Ditto.
4843 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4844 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4845 * regclass.c (regclass): Ditto.
4846 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4847 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4848 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4849 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4851 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4852 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4854 * gcse.c (gcse_file, debug_stderr): Removed.
4855 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4856 rest_of_handle_gcse): Do not use dump argument.
4857 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4858 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4859 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4860 compute_code_hoist_vbeinout, compute_code_hoist_data,
4861 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4862 compute_store_table, build_store_vectors, insert_insn_start_bb,
4863 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4864 store_motion): Use dump_file instead of gcse_file.
4865 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4866 * profile.c (profile_dump_file): Removed.
4867 (branch_prob): Use dump_file instead of profile_dump_file.
4868 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4870 * tree-ssa-copy.c (dump_copy_of): Ditto.
4871 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4872 dump file to life_analysis.
4873 * bt-load.c (branch_target_load_optimize): Ditto.
4874 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4876 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4877 regclass, dbr_schedule): Declaration changed.
4878 * sched-int.h (sched_init): Declaration changed.
4879 * tree-profile.c (tree_profile_dump_file): Removed.
4880 (tree_profile_hooks): Removed profile_dump_file hook.
4881 * rtl-profile (rtl_profile_dump_file): Removed.
4882 (rtl_profile_hooks): emoved profile_dump_file hook.
4883 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4885 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4886 * tree-cfg.c (build_tree_cfg): Ditto.
4887 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4888 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4889 Declaration changed.
4890 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4891 life_analysis and schedule_insns.
4892 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4894 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4896 * config/mips/mips.c (mips_reorg): Ditto.
4897 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4900 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4902 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4903 (s390_mangle_fundamental_type): New.
4904 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4907 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4908 (alpha_mangle_fundamental_type): New.
4909 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4912 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4914 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4916 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4917 (sparc_mangle_fundamental_type): New.
4919 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4921 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4922 (s390x-*-linux*): Likewise.
4923 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4924 * config/s390/t-linux: New file.
4926 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4928 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4929 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4931 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4933 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4934 (ANTIC_SAFE_LOADS): New macro.
4935 (find_or_generate_expression): Add prototype.
4936 (set_contains_value): Allow null set for sake of not always having
4937 to allocate ANTIC_SAFE_LOADS.
4938 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4939 Allow COMPONENT_REF too.
4940 (valid_in_set): Allow COMPONENT_REF.
4941 Check ANTIC_SAFE_LOADS too.
4942 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4943 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4945 (can_PRE_operation): Add COMPONENT_REF.
4946 (create_component_ref_by_pieces): New function.
4947 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4948 (insert_aux): Move AGGREGATE_TYPE_P check here.
4949 (compute_avail): Set bb local stmt uids.
4950 (pass_pre): Use TODO_update_ssa_only_virtuals.
4952 2006-02-06 Ben Elliston <bje@au.ibm.com>
4954 * configure.ac: Unconditionally disable decimal float by default.
4955 * configure: Regenerate.
4957 2006-02-06 Ben Elliston <bje@au.ibm.com>
4959 * read-rtl.c (read_name): Terminate reading on EOF.
4961 2006-02-06 Ben Elliston <bje@au.ibm.com>
4963 * dfp.c (decimal_real_arithmetic): Change second argument type
4964 from int to enum tree_code. Do not always return true, but now
4965 return result of any call to decimal_do helper functions.
4966 * dfp.h (decimal_real_arithmetic): Update prototype.
4968 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4970 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4972 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4975 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4978 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4980 * tree-vrp.c (cfg_loops): Removed.
4981 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4982 Use current_loops instead of cfg_loops. Pass flags to
4983 loop_optimizer_init.
4984 * cfgloopmanip.c (fix_loop_structure): Update only available
4986 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4987 loop_optimizer_init.
4988 * modulo-sched.c (build_loops_structure): Removed.
4989 (sms_schedule): Use loop_optimizer_init.
4990 * loop-init.c (loop_optimizer_init): Use flags to determine
4991 which properties of loops to prepare.
4992 (rtl_loop_init): Pass flags to loop_optimizer_init.
4993 * tree-ssa-sink.c (execute_sink_code): Ditto.
4994 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4995 * tree-ssa-pre.c (init_pre): Ditto.
4996 * cfgloop.h (LOOPS_NORMAL): New.
4997 (loop_optimizer_init): Declaration changed.
4999 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5001 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5002 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5004 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5006 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5008 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5009 * pa/t-pa64: Delete quadlib.c rule.
5010 * pa/x-ada: Revert last change.
5011 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5013 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5015 PR rtl-optimization/26087
5016 * rtlanal.c (canonicalize_condition): Do not cross basic block
5019 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5022 * config/ia64/ia64.c: Include debug.h.
5023 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5024 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5025 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5026 (process_epilogue, process_set, process_for_unwind_directive):
5027 Output unwind info only if requested. Add CFA info if requested.
5028 Add new arguments as needed. Adjust callers.
5029 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5031 (DWARF2_FRAME_INFO): Define to zero.
5032 * config/ia64/unwind-ia64.c: Remove code that compensated for
5033 the CFA offset error fixed above.
5034 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5035 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5036 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5037 -funwind-tables and -fexceptions to enable frame info.
5038 (dwarf2out_frame_init): Define initial CFA even if
5039 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5040 DWARF2_UNWIND_INFO is nonzero, not just defined.
5041 (dwarf2out_frame_finish): Output non-EH call frame info only
5042 if DWARF2_FRAME_INFO is nonzero.
5043 (convert_cfa_to_loc_list,
5044 compute_frame_pointer_to_cfa_displacement): Define even if
5045 unwind info is not supported.
5046 (gen_subprogram_die): Use the above unconditionally. Remove
5047 legacy alternate code.
5048 * toplev.c (compile_file): Compile in call to
5049 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5050 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5052 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5053 Jakub Jelinek <jakub@redhat.com>
5055 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5056 IBM extended float format long double as "g" on powerpc*-linux.
5058 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5061 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5062 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5064 2006-02-03 Jason Merrill <jason@redhat.com>
5067 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5070 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5071 on the return slot if it's an NRV.
5073 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5075 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5076 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5077 rewrite_use): Do not handle USE_OUTER.
5078 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5079 add_iv_outer_candidates, may_replace_final_value,
5080 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5081 (find_interesting_uses_op): Functionality of
5082 find_interesting_uses_outer_or_nonlin moved here.
5083 (find_interesting_uses_outside): Use find_interesting_uses_op.
5085 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5088 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5090 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5091 Ulrich Weigand <uweigand@de.ibm.com>
5094 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5095 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5096 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5097 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5099 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5100 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5101 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5102 Define secondary reloads for TFmode moves.
5103 (constant_modes): Add TFmode.
5104 (NR_C_MODES): Set to 8.
5105 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5107 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5108 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5109 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5110 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5111 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5112 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5113 (FPR mode macro): Add TFmode.
5114 (DSF mode macro): New.
5115 (<de>, <dee> mode attributes): Removed.
5116 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5117 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5118 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5119 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5120 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5121 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5122 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5123 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5124 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5125 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5126 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5127 "*negabs<mode>2", "sqrt<mode>2"):
5128 Changed <de> to <xde>. R constraint replaced by <Rf>.
5129 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5131 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5132 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5133 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5135 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5136 "extenddftf2", "extendsftf2"): New expanders.
5137 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5138 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5139 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5140 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5142 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5143 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5144 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5145 __floatditf): Add a GCC_4.1.0 symbol version tag.
5146 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5149 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5152 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5153 Use targetm.binds_local_p instead of TREE_PUBLIC.
5155 2006-02-02 Roger Sayle <roger@eyesopen.com>
5157 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5158 on INTEGER_TYPEs to indicate that it denotes a character type.
5159 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5160 signed_char_type_node, unsigned_char_type_node and char_type_node.
5161 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5162 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5163 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5165 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5166 Daniel Berlin <dberlin@dberlin.org>
5168 * tree-tailcall.c (arg_needs_copy_p): New function.
5169 (eliminate_tail_call): Use arg_needs_copy_p.
5170 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5171 (add_virtual_phis): New function.
5173 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5175 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5176 #ignore instead of #scratch for %g7 .register directive.
5178 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5180 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5183 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5185 * flow.c (calculate_global_regs_live): Assert that there aren't any
5188 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5190 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5192 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5193 bsi_after_labels iterator.
5194 * tree-if-conv.c (find_phi_replacement_condition,
5195 replace_phi_with_cond_modify_expr): Likewise.
5196 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5197 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5199 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5201 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5203 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5206 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5207 array after growing it.
5209 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5212 * fold-const.c (fold_checksum_tree): Change type of buf.
5214 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5216 * reload.c (push_secondary_reload): Initialize t_icode.
5218 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5220 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5221 -msoft-float -mlong-double-128 only issue a warning, but don't
5222 swich to DFmode long double.
5224 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5226 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5227 has a constant equivalent, iterate over equivalents for arg0,
5228 calling simplify_relational_operation and if there's a result
5229 cheaper than X, apply fold_rtx and return the result.
5231 2006-02-01 Jan Hubicka <jh@suse.cz>
5233 * opts.c (no_unit_at_a_time_default): New global variable.
5234 (decode_options): Use it.
5235 * opts.h (no_unit_at_a_time_default): Declare.
5237 2006-02-01 Paul Brook <paul@codesourcery.com>
5239 * function.c (assign_parm_setup_reg): Use function argument promotion
5241 * expr.c (expand_expr_real_1): Use function argument promotion rules
5244 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5246 * gcc.c (process_command): Change j to 'unsigned int'.
5248 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5251 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5252 Use the corrected index for the character
5253 out of the string constant.
5255 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5257 * mode-switching.c (optimize_mode_switching): Fix size
5258 allocated for bb_info[n_entities].
5260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5262 * gcc.c (main): Correct type that is allocated for
5263 explicit_link_files.
5265 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5267 * config/s390/s390.c (init_alignment_context): Set
5268 ALIAS_SET_MEMORY_BARRIER on the MEM.
5269 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5271 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5274 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5276 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5279 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5281 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5282 * regrename.c: Ditto.
5283 * tree-ssa-loop-im.c: Ditto.
5284 * tree-dump.c: Ditto.
5285 * tree-complex.c: Ditto.
5286 * genrecog.c: Ditto.
5287 * tree-ssa-threadupdate.c: Ditto.
5289 * java/class.c: Ditto.
5290 * java/jcf-parse.c: Ditto.
5291 * java/resource.c: Ditto.
5292 * java/except.c: Ditto.
5293 * java/jvspec.c: Ditto.
5294 * java/jcf-write.c: Ditto.
5295 * java/jcf-path.c: Ditto.
5296 * java/gjavah.c: Ditto.
5297 * java/zextract.c: Ditto.
5298 * java/jcf-io.c: Ditto.
5299 * java/jcf.h: Ditto.
5300 * java/buffer.c: Ditto.
5301 * java/lang.c: Ditto.
5302 * java/parse-scan.y: Ditto.
5303 * java/lex.c: Ditto.
5304 * java/lex.h: Ditto.
5305 * cfgloopmanip.c: Ditto.
5306 * postreload-gcse.c: Ditto.
5307 * tree-ssa-loop-manip.c: Ditto.
5308 * postreload.c: Ditto.
5309 * tree-ssa-loop-ch.c: Ditto.
5313 * diagnostic.c: Ditto.
5315 * genoutput.c: Ditto.
5317 * cfghooks.c: Ditto.
5318 * cfgloopanal.c: Ditto.
5319 * objc/objc-act.c: Ditto.
5321 * genextract.c: Ditto.
5322 * genautomata.c: Ditto.
5323 * pretty-print.c: Ditto.
5325 * cgraphunit.c: Ditto.
5328 * haifa-sched.c: Ditto.
5329 * dominance.c: Ditto.
5331 * tree-ssa-loop-ivopts.c: Ditto.
5333 * mode-switching.c: Ditto.
5334 * modulo-sched.c: Ditto.
5336 * ipa-pure-const.c: Ditto.
5338 * fix-header.c: Ditto.
5340 * tree-stdarg.c: Ditto.
5341 * ipa-utils.c: Ditto.
5342 * loop-init.c: Ditto.
5343 * ipa-inline.c: Ditto.
5346 * alloc-pool.c: Ditto.
5347 * dwarf2out.c: Ditto.
5349 * genattrtab.c: Ditto.
5350 * tree-ssa-loop-ivcanon.c: Ditto.
5354 * fortran/gfortranspec.c: Ditto.
5356 * local-alloc.c: Ditto.
5357 * langhooks.c: Ditto.
5358 * function.c: Ditto.
5359 * tree-vectorizer.c: Ditto.
5361 * ipa-type-escape.c: Ditto.
5363 * tree-if-conv.c: Ditto.
5366 * tree-data-ref.c: Ditto.
5367 * loop-unroll.c: Ditto.
5368 * treelang/treetree.c: Ditto.
5371 * ggc-common.c: Ditto.
5373 * coverage.c: Ditto.
5375 * tree-cfgcleanup.c: Ditto.
5376 * tree-ssa-pre.c: Ditto.
5377 * cfgcleanup.c: Ditto.
5378 * loop-invariant.c: Ditto.
5380 * ipa-prop.c: Ditto.
5381 * print-tree.c: Ditto.
5382 * conflict.c: Ditto.
5383 * ggc-page.c: Ditto.
5384 * sched-deps.c: Ditto.
5385 * regclass.c: Ditto.
5386 * tree-object-size.c: Ditto.
5388 * bb-reorder.c: Ditto.
5389 * resource.c: Ditto.
5390 * var-tracking.c: Ditto.
5392 * df-problems.c: Ditto.
5393 * reg-stack.c: Ditto.
5396 * sched-rgn.c: Ditto.
5397 * tree-ssa-structalias.c: Ditto.
5398 * tree-ssa-reassoc.c: Ditto.
5399 * config/darwin-c.c: Ditto.
5400 * config/darwin.c: Ditto.
5401 * config/arm/arm.c: Ditto.
5403 * collect2.c: Ditto.
5406 2006-01-31 Nicolas Pitre <nico@cam.org>
5408 * arm.md (smaxsi3): Make aware of smax_m1.
5411 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5413 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5415 2006-01-31 Richard Guenther <rguenther@suse.de>
5417 * doc/invoke.texi (-msselibm): Document.
5418 * target.h (expand_library_builtin): New target hook.
5419 * builtins.c (expand_builtin): Use expand_library_builtin.
5420 (default_expand_library_builtin): New function.
5421 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5422 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5423 (link_gcc_math_spec): Declare.
5424 (static_specs): Add link_gcc_math_spec.
5425 * expr.h (default_expand_library_builtin): Declare.
5426 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5427 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5428 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5429 * config/i386/i386.opt (msselibm): New target option.
5430 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5431 (ix86_init_sse_abi_builtins): New function.
5432 (ix86_expand_library_builtin): Likewise.
5433 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5434 (override_options): Handle error conditions wrt -msselibm.
5435 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5436 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5437 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5440 2006-01-31 Richard Guenther <rguenther@suse.de>
5441 Paolo Bonzini <bonzini@gnu.org>
5443 * doc/install.texi (--disable-libgcc-math): Document.
5445 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5447 * expr.h (expand_normal): new inline function.
5448 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5450 * dwarf2out.c: use it.
5455 * config/sparc/sparc.c: use it.
5456 * config/i386/i386.c: use it.
5457 * config/rs6000/rs6000.c: use it.
5458 * config/arm/arm.c: use it.
5459 * config/mips/mips.c: use it.
5460 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5462 2006-01-30 Roger Sayle <roger@eyesopen.com>
5464 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5465 argv to the appropriate type.
5467 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5469 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5472 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5475 * config/s390/s390.c (struct machine_function): New flag
5476 decomposed_literal_pool_addresses_ok_p.
5477 (s390_reorg): Set it before final stage of literal pool transforms.
5478 (s390_decompose_address): Only accept displacements of the form
5479 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5481 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5483 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5484 the comparison routine return.
5486 2006-01-30 Michael Matz <matz@suse.de>
5488 * global.c (find_reg): Only evict for global regs.
5489 Take n_refs into account and dump more info.
5491 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5494 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5495 (pragma_trap, pragma_nosave_low_regs): Likewise.
5496 (current_function_anonymous_args): Likewise.
5497 (sh_deferred_function_attributes): New variable.
5498 (sh_deferred_function_attributes_tail): Likewise.
5499 (print_operand): For '@', look up trap_exit attribute.
5500 (calc_live_regs): Look up trapa_handler attribute. For trapa
5501 handlers, save/restore fpscr, but don't do any other
5502 interrupt-specific saves.
5503 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5504 Fix check for partially saved registers to check for SHmedia.
5505 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5506 (sh_output_function_epilogue): Don't clear any of the removed
5508 (sh_insert_attributes): Don't check pragma_interrupt.
5509 Insert deferred attributes. Check that interrupt attribute is
5510 present for other attributes that require its presence.
5511 (sh_attribute_table): Add new attributes trapa_handler and
5513 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5514 Don't check for pragma_interrupt. Don't store argument.
5515 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5516 (sh_deferred_function_attributes): Declare.
5517 (sh_deferred_function_attributes_tail): Likewise.
5518 * sh.md (sp_switch_1): Add operand. Change generator caller.
5519 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5520 (*return_i): Don't use when trap_exit attribute is in effect.
5521 (*return_trapa): New insn pattern.
5523 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5524 setting c_target_objs and cxx_target_objs.
5525 * t-sh: Add rule for sh-c.o.
5527 2006-01-30 Richard Guenther <rguenther@suse.de>
5530 * gimplify.c (gimplify_target_expr): Handle easy cases
5531 without creating a temporary.
5533 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5535 * vec.h (safe_grow): Remove duplicated line.
5537 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5540 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5541 (expand_omp): ... here.
5542 (expand_omp_parallel): Only remove barriers for combined
5543 parallel+workshare constructs.
5545 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5549 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5550 * tree.c (build_qualified_type): Chain the new type to the original
5551 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5552 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5553 (build_pointer_type_for_mode): Only return unqualified types.
5554 (build_reference_type_for_mode): Likewise.
5556 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5558 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5559 * Makefile.in (CXX_COMPAT_WARN): Define.
5560 * configure: Regenerate.
5562 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5565 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5568 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5570 * toplev.c: Fix thinko.
5572 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5573 Marcin Dalecki <martin@dalecki.de>
5575 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5576 (push_srcloc): Use XNEW.
5577 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5579 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5581 * df-core.c (df_set_blocks): Deleted all variable.
5583 2006-01-28 Ian Lance Taylor <ian@airs.com>
5585 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5586 cgraph_output_pending_asms.
5588 2006-01-28 Zack Weinberg <zackw@panix.com>
5590 * c.opt: Add -W(no-)overlength-strings.
5591 * doc/invoke.texi: Document it.
5592 * c-opts.c (c_common_handle_option): -pedantic implies
5593 -Woverlength-strings, if not explicitly disabled already.
5594 (c_common_post_options): -Woverlength-strings defaults to off, and
5595 is always off for C++.
5596 * c-common.c (fix_string_type): Issue warning about strings longer
5597 than is portable only if warn_overlength_strings. Rearrange code
5598 a little for clarity.
5599 * configure.in: Check for -Wno-overlength-strings as well before
5600 enabling -pedantic in stage 1.
5601 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5602 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5604 * genconditions.c (write_header, write_one_condition)
5605 (write_conditions, write_writer): Consolidate very long strings
5606 that were broken up to fit in C89 portable limit. Don't use
5607 printf when fputs will do.
5609 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5611 * combine.c (simplify_comparison <AND>): Check
5612 TRULY_NOOP_TRUNCATION before start using a subreg.
5614 * config/mips/mips.md (*branch_zero<mode>,
5615 *branch_zero<mode>_inverted, *branch_equality<mode>,
5616 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5617 Remove mode check from comparisons.
5619 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5621 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5623 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5625 * expmed.c (const_mult_add_overflow_p): Remove.
5626 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5628 * recog.c (validate_replace_rtx_subexp): Remove.
5629 * recog.h: Remove the prototype for
5630 validate_replace_rtx_subexp.
5632 * integrate.h: Remove the prototype for
5633 copy_decl_for_inlining.
5634 * rtl.h: Remove the prototype for mark_constant_function.
5635 * tree-vectorizer.h: Remove the prototype for
5636 vect_strip_conversion.
5638 * modulo-sched.c (create_partial_schedule,
5639 free_partial_schedule, reset_partial_schedule): Make them
5642 * hooks.c (hook_bool_rtx_int_false): Remove.
5643 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5645 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5647 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5648 and -mlong-double-128 are incompatible.
5649 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5650 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5651 (TARGET_LIBGCC2_CFLAGS): Define.
5652 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5653 (TARGET_LIBGCC2_CFLAGS): Same.
5654 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5656 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5659 * c-typeck.c (build_binary_op): Perform implicit casts of
5660 operands before shortening them.
5662 * cfgloopmanip.c (split_loop_bb): Remove.
5663 * cfgloop.h: Remove the prototype for split_loop_bb.
5665 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5666 * cfgloop.h: Remove the prototype for
5667 flow_loop_outside_edge_p.
5669 * emit-rtl.c (init_virtual_regs): Make it static.
5670 * function.h: Remove the prototype for init_virtual_regs.
5672 * recog.c (peephole2_optimize): Make it static.
5673 * recog.h: Remove the prototype for peephole2_optimize.
5675 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5677 * df-scan.c (df_record_entry_block_defs): Check if
5678 INCOMING_RETURN_ADDR_RTX is defined.
5680 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5681 Kenneth Zadeck <zadeck@naturalbridge.com>
5683 PR rtl-optimization/24762
5684 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5685 * targhooks.c (hook_void_bitmap): New hook prototype.
5686 * targhoohs.h (hook_void_bitmap): Ditto.
5687 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5688 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5689 * target.h (live_on_entry): New function pointer.
5690 * df-scan.c (df_all_hard_regs): Removed.
5691 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5692 (df_scan_free_internal): Added df->entry_block_defs.
5693 (df_scan_alloc): Ditto.
5694 (df_scan_dump): Ditto.
5695 (df_uses_record): Plumbed flag field properly thru calls.
5696 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5697 This part fixes PR24762.
5698 (df_bb_refs_record): Added code to make the frame and arg
5699 pointers live in EH blocks.
5700 (df_refs_record): Added call to df_record_entry_block_defs.
5701 (df_record_entry_block_defs): New function.
5702 * df-core.c: Added comments to describe new artifical defs.
5703 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5704 (entry_block_defs): New field in struct df.
5705 (df_all_hard_regs): Deleted.
5706 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5707 * df-problems.c (df_ru_bb_local_compute_process_def):
5708 Added code to handle artifical defs in the entry to a function.
5709 (df_ru_bb_local_compute): Ditto.
5710 (df_rd_bb_local_compute_process_def): Ditto.
5711 (df_rd_bb_local_compute): Ditto.
5712 (df_lr_bb_local_compute): Ditto.
5713 (df_ur_bb_local_compute): Ditto.
5714 (df_urec_bb_local_compute): Ditto.
5715 (df_chain_create_bb): Ditto.
5716 (df_ur_local_finalize): Removed entry.
5717 (df_urec_init): Ditto.
5718 (df_urec_local_finalize): Ditto.
5719 (df_ri_bb_compute): Added detection of last use of pseudos.
5720 * Makefile.in (df-scan.o): Updated dependencies.
5721 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5722 * config/mips/mips.c (mips_set_live_on_entry): Added.
5723 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5725 * dce.c (marked_insn_p): Added code to handle artifical defs.
5727 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5729 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5731 (_mm_cvtsi128_si64): Likewise.
5732 (_mm_cvtsd_si64): Likewise.
5733 (_mm_cvttsd_si64): Likewise.
5734 (_mm_cvtsi64_sd): Likewise.
5735 (_mm_cvtsi64_si128): Likewise.
5736 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5737 (_mm_cvtsi64_m64): Likewise.
5738 (_m_to_int64): Likewise.
5739 (_mm_cvtm64_si64): Likewise.
5740 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5741 (_mm_cvttss_si64): Likewise.
5742 (_mm_cvtsi64_ss): Likewise.
5743 (_mm_cvtss_f32): Likewise.
5745 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5747 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5748 for pragma redefine_extname.
5750 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5753 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5754 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5755 -mno-minimal-toc to previous content.
5756 (bispecs): Remove goal.
5757 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5758 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5759 compatibility aliases on powerpc-*-*gnu*.
5760 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5761 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5762 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5763 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5764 (ldblspecs): New goal.
5765 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5766 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5768 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5769 L_sf_to_tf or L_df_to_tf is defined.
5771 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5772 Alan Modra <amodra@bigpond.net.au>
5775 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5776 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5777 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5778 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5779 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5780 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5781 (rs6000_override_options): Initialize rs6000_ieeequad.
5782 Initialize TFmode format to ibm_extended_format if not
5784 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5786 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5787 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5788 (function_arg_advance): IBM long double passed in two FPRs, not
5790 (function_arg): IBM long double passed in FPRs.
5791 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5792 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5793 Only multireg GPR aligned.
5794 (rs6000_init_libfuncs): Enable IBM long double functions if not
5796 (rs6000_generate_compare): Use IBM long double compare if not
5798 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5799 (TARGET_IEEEQUAD): Define.
5800 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5801 not TARGET_IEEEQUAD.
5802 * config/rs6000/rs6000.md: Enable TFmode patterns if
5804 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5805 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5806 and -mlong-double-128 are incompatible.
5807 * doc/invoke.texi (-mabi): Collect options together. Add
5808 ibmlongdouble and ieeelongdouble.
5810 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5812 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5814 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5815 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5816 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5817 * rtl.h (rtunion_def): Remove rt_ptr.
5819 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5820 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5821 * config/i386/winnt.c (i386_pe_mark_dllexport)
5822 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5824 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5826 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5828 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5832 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5833 pthread_key_delete. From John David Anglin. gthrw-ify
5834 pthread_getunique_np only if it it's not a macro. Delete
5836 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5837 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5838 __gthread_objc_condition_signal, __gthread_key_delete): Add
5839 "__attribute__ ((__unused__))" to unused arguments.
5840 (__gthread_recursive_mutex_init_function): Add missing return.
5841 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5842 gthr-posix95.h: Use macro-based approach for name redirection
5843 on targets missing weakref.
5845 2006-01-26 Zack Weinberg <zackw@panix.com>
5847 * genconditions.c (write_header): In generated code, #ifdef out
5848 all includes and fake declarations, except includes of bconfig.h
5849 and system.h, unless GCC_VERSION >= 3001. Do not include
5850 gensupport.h in any case.
5851 (write_conditions): Generate a definition of struct c_test. Add
5852 a comment to the generated #endif.
5853 (write_one_condition): Escape backslashes in string too.
5854 (write_writer): Generated code must escape backslashes and quote
5855 marks (but not newlines) in the strings it writes.
5856 * Makefile.in (build/gencondmd.o): Update dependencies.
5858 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5861 * Makefile.in (insn-automata.o): Add header file dependencies.
5862 * genautomata.c: Add includes.
5864 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5867 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5869 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5871 * configure.ac: Expect target tools paths to be passed from the toplevel
5872 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5874 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5876 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5879 * c.opt (Wpointer-sign): Init to -1.
5880 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5881 OPT_pedantic, to 0 otherwise.
5882 * doc/invoke.texi: Update.
5884 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5886 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5887 constants provided by 80387 instructions in the destination mode.
5889 2006-01-26 Richard Guenther <rguenther@suse.de>
5890 Andrew Pinski <pinskia@physics.uc.edu>
5893 partial PR tree-opt/17064
5894 * tree-ssa-structalias.c (intra_create_variable_infos):
5895 Create heap variables for incoming parameters if
5896 flag_argument_noalias > 1.
5897 (find_what_p_points_to): Look through default defs of
5900 2006-01-26 Jeff Law <law@redhat.com>
5903 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5904 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5905 within the VR_RANGE, use the VR_RANGE as the result, not the
5907 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5908 bounds for the type.
5910 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5912 * tree-ssa-alias.c (maybe_create_global_var): Change
5913 subvar walking to an assertion that we don't have subvar'd variables.
5915 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5918 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5919 Use a new variable, inner. PARM_DECLs are always non-weak.
5921 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5923 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5926 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5928 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5930 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5932 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5933 (smax_insn, smin_insn, smax_0, smin_0): New.
5935 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5938 * config/cris/cris.c (cris_order_for_addsi3): New function.
5939 * config/cris/cris-protos.h: Prototype it.
5940 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5941 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5942 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5943 (split for "op.S1 [rx=rx+i],ry (swapped)")
5944 (split for "op(s|u).S1 [rx=rx+i],ry")
5945 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5946 Apply cris_order_for_addsi3 when generating addsi3 insns.
5948 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5950 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5951 (TREE_BLOCK): Add call to EXPR_CHECK.
5953 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5956 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5957 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5958 (dump_omp_clauses): ... here.
5959 (dump_generic_node): Handle OMP_CLAUSE.
5960 * tree.c (omp_clause_num_ops): New.
5961 (omp_clause_code_name): New.
5962 (tree_code_size): Handle OMP_CLAUSE.
5963 (tree_size): Likewise.
5964 (make_node): Document handling of OMP_CLAUSE.
5965 (tree_node_structure): Handle OMP_CLAUSE.
5966 (omp_clause_check_failed): New.
5967 (omp_clause_range_check_failed): New.
5968 (omp_clause_operand_check_failed): New.
5969 (build_omp_clause): New.
5970 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5971 * tree.h (enum omp_clause_code): Declare.
5972 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5973 (OMP_CLAUSE_RANGE_CHECK): Define.
5974 (OMP_CLAUSE_ELT_CHECK): Define.
5975 (omp_clause_check_failed): Declare.
5976 (omp_clause_operand_check_failed): Declare.
5977 (omp_clause_range_check_failed): Declare.
5978 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5979 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5980 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5981 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5982 (OMP_CLAUSE_IF_EXPR): Likewise.
5983 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5984 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5985 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5986 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5987 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5988 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5989 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5990 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5991 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5992 (OMP_CLAUSE_CODE): Define.
5993 (OMP_CLAUSE_SET_CODE): Define.
5994 (OMP_CLAUSE_CODE): Define.
5995 (OMP_CLAUSE_OPERAND): Define.
5996 (struct tree_omp_clause): Declare.
5997 (union tree_node): Add field 'omp_clause'.
5998 * treestruct.def (TS_OMP_CLAUSE): Define.
5999 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6000 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6001 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6002 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6003 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6004 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6005 (OMP_CLAUSE): Define.
6006 * print-tree.c (print_node): Handle OMP_CLAUSE.
6007 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6008 * c-typeck.c: Likewise.
6009 * gimplify.c: Likewise.
6010 * c-omp.c: Likewise.
6011 * tree-nested.c: Likewise.
6012 * tree-inline.c: Likewise.
6013 * c-parser.c: Likewise.
6014 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6017 2006-01-25 Roger Sayle <roger@eyesopen.com>
6019 PR rtl-optimization/25703
6020 * combine.c (try_combine): Handle zero_extract and strict_low_part
6021 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6023 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6025 * global.c: Fix comment typos.
6027 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6030 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6031 Use output_addr_const instead of assemble_name.
6033 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6035 * Makefile.in (sched-vis.o): Update dependencies.
6036 * haifa-sched.c (sched_finish): Clear current_sched_info.
6037 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6038 (dump_flow_info): Call it.
6039 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6041 * basic-block.h (dump_bb_info): Declare.
6042 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6043 option, and apply options only for dump files whose TDF_RTL,
6044 TDF_TREE, or TDF_IPA bits match.
6045 * rtl.h: Declare new functions exported from sched-vis.c.
6046 * sched-vis.c: Enable also if scheduling is not used.
6047 (print_value): Print the mode of registers if not inside scheduling.
6048 (print_insn): Make it work outside the scheduler. Beautify the output
6050 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6052 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6054 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6055 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6056 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6057 depending on the value of CONSTANT_POOL_ADDRESS_P.
6058 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6060 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6061 rather than SYMBOL_REF_DECL.
6062 (rtx_constant_pool): Remove const_rtx_sym_htab.
6063 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6064 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6065 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6066 Remove handling of const_rtx_sym_htab.
6067 (find_pool_constant): Delete.
6068 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6069 rather than find_pool_constant.
6070 (get_pool_constant_for_function): Delete.
6071 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6073 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6074 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6075 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6076 (SYMBOL_REF_CONSTANT): New macro.
6077 (get_pool_constant_for_function): Delete.
6078 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6079 rather than SYMBOL_REF_DECL.
6080 (i386_pe_mark_dllimport): Likewise.
6081 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6082 rather than SYMBOL_REF_DECL.
6083 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6084 (machopic_indirect_call_target): Likewise.
6086 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6088 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6090 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6092 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6094 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6096 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6098 2006-01-24 David Daney <ddaney@avtrex.com>
6101 * configure.ac (enable_tls): New enable option.
6102 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6103 * configure: Regenerate.
6104 * doc/install.texi (--enable-tls): Document new option.
6105 (--disable-tls): Ditto.
6107 2006-01-24 Richard Henderson <rth@redehat.com>
6109 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6110 * alias.c (true_dependence): Respect it.
6111 (canon_true_dependence, write_dependence_p): Likewise.
6112 * builtins.c (get_builtin_sync_mem): Set it.
6114 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6116 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6119 2006-01-24 DJ Delorie <dj@redhat.com>
6121 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6122 for storing constants in single-bit bitfields.
6124 2006-01-25 Ben Elliston <bje@au.ibm.com>
6126 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6128 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6131 * tree-ssa-pre.c (phi_translate): Return NULL
6132 for AGGREGATE_TYPE's.
6134 2006-01-24 Zack Weinberg <zackw@panix.com>
6136 * genautomata.c (process_state_for_insn_equiv_partition):
6137 Use xcalloc for insn_arcs_array.
6138 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6139 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6141 2006-01-24 Richard Henderson <rth@redhat.com>
6143 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6146 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6148 PR rtl-optimization/25890
6149 PR rtl-optimization/25905
6150 * combine.c (expand_compound_operation, expand_field_assignment):
6151 Fail if the bitfield's final position is out of bounds.
6153 2006-01-24 Ian Lance Taylor <ian@airs.com>
6156 * cgraphunit.c (cgraph_output_in_order): Don't clear
6157 cgraph_asm_nodes until after asm strings have been output.
6159 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6161 * fix-header.c (read_scan_file): Add new parameter imultilib when
6162 calling register_include_chains.
6164 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6166 * omp-low.c: Update documentation.
6168 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6169 Daniel Berlin <dberlin@dberlin.org>
6173 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6174 return from the function.
6176 2006-01-22 Zack Weinberg <zackw@panix.com>
6178 * rtl.def (match_code): Add second argument.
6179 * genpreds.c (write_extract_subexp): New function.
6180 (write_match_code): Add path argument. Use write_extract_subexp.
6181 (write_predicate_expr): Pass path to write_match_code.
6182 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6183 not perform a mode test.
6184 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6185 a subexpression does not constrain the top-level code set.
6186 * read-rtl.c (read_rtx_variadic): New function.
6187 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6188 * doc/md.texi: Document new notation.
6189 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6190 (cmpsi_operand): ... here, using new notation.
6192 2006-01-22 Zack Weinberg <zackw@panix.com>
6194 * varray.c: Remove GENERATOR_FILE #ifdefs.
6196 2006-01-22 Zack Weinberg <zackw@panix.com>
6198 * genautomata.c (output_reserved_units_table): Emit nothing if
6199 description->query_units_num is zero. Remove extra blank line.
6200 (output_cpu_unit_reservation_p): Short circuit
6201 if description->query_units_num is zero.
6203 2006-01-22 Zack Weinberg <zackw@panix.com>
6205 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6206 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6207 nor any of the random handful of variables that used to be necessary
6208 when this program was linked with rtlanal.o. Prune set of forward
6209 function declarations.
6210 (struct attr_desc): Remove static_p field.
6211 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6212 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6213 (attr_string): Do not read the character one past the length of
6215 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6216 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6217 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6218 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6219 (make_automaton_attrs): New.
6220 (main): Do not call into genautomata. Call local gen_bypass
6221 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6222 Remove special case for insn_alts.
6223 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6224 varray.h (leftover from previous change). Prune set of forward
6225 function declarations. Remove state_alts fields from all
6226 structures. Remove state_alts_table from struct automaton.
6227 Make everything except main static. Do not maintain num_dfa_decls.
6228 Do not maintain state_alts fields of various structures.
6229 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6230 (add_arc): Remove state_alts argument. All callers updated.
6231 (output_reserved_units_table): Emit #ifdef here...
6232 (output_tables): ...not here. Don't generate state_alts tables.
6233 (expand_automata): Don't generate attributes.
6234 (write_automata): Don't generate state_alts functions.
6235 (main): New function.
6236 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6237 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6238 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6239 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6240 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6241 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6242 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6243 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6245 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6246 * genattrtab.h: Delete file.
6247 * Makefile.in (OBJS-common): Add insn-automata.o.
6248 (insn-automata.o): New rule.
6249 (simple_generated_c): Add insn-automata.c.
6250 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6251 (genprogmd): Add automata.
6252 (build/genattrtab): Needs no extra objects nor libraries.
6253 (build/genautomata): Needs build/vec.o and -lm.
6255 2006-01-22 Zack Weinberg <zackw@panix.com>
6257 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6258 (output_dfa_max_issue_rate, locked_states_num): Delete.
6259 (struct automaton): Add locked_states field.
6260 (output_dead_lock_vect): Save number of locked states in
6261 automaton->locked_states. If it is zero, don't print anything.
6262 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6263 (output_internal_dead_lock_func): Only test the dead_lock_vect
6264 for automata that have locked states.
6265 (output_statistics): Always print the number of locked states for
6266 each automaton. Calculate total number of locked states here.
6267 (write_automata): Don't call output_dfa_max_issue_rate.
6268 * genattrtab.c: Define length_unit_log as a const variable.
6269 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6270 max_insn_queue_index const.
6271 * final.c (length_unit_log): Declare const.
6272 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6274 2006-01-22 Zack Weinberg <zackw@panix.com>
6276 * genautomata.c: Include vec.h, not varray.h.
6277 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6278 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6279 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6280 VEC_* macros operating on appropriately typed vectors, or to
6281 malloced arrays when the size is known in advance. Const-ify
6282 many char* variables and function arguments. No functional changes.
6283 * Makefile.in (build/varray.o): Delete rule.
6284 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6285 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6287 2006-01-22 Zack Weinberg <zackw@panix.com>
6289 * gensupport.c: Define get_insn_name and record_insn_name here.
6290 (read_md_rtx): Call record_insn_name as appropriate.
6291 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6292 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6293 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6295 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6296 (BUILD_VARRAY): Delete.
6297 (genprognormal): Rename genprogmd. Fold in all programs from
6298 genprognoprint; also attrtab.
6299 (build/genattrtab): Just mention genautomata.o and varray.o.
6300 Reorganize a bit, add comments to make the categories clearer.
6302 2006-01-22 Zack Weinberg <zackw@panix.com>
6304 * genconditions.c (condition_table, add_condition): Delete.
6305 (write_conditions): Don't emit n_insn_conditions nor
6306 insn_elision_unavailable. Issue the gcc version #ifdef here,
6307 inside the table, with no #else clause ...
6308 (write_header): ...not here.
6309 (write_writer): New function.
6310 (main): Don't initialize condition_table. Use add_c_test.
6312 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6313 files on the command line.
6314 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6315 Return -1 if there is no entry in the table, don't abort.
6316 (add_c_test, traverse_c_tests): New functions.
6317 * gensupport.h (insn_elision_unavailable, insn_conditions)
6318 (n_insn_conditions): Delete declarations.
6319 (add_c_test, traverse_c_tests): Declare.
6320 * read-rtl.c: Include gensupport.h.
6321 (read_conditions): New function.
6322 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6323 (read_rtx_1): If we get EOF when we were looking for an initial
6324 open paren, return 0. Call read_conditions when appropriate.
6325 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6326 dummy-conditions.o. Eliminate references to insn-conditions.o,
6327 or change them to build/gencondmd.o, as appropriate. Remove
6328 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6329 from $(simple_generated_c). For all files remaining in those
6330 two lists, add insn-conditions.md to the generator command line.
6331 Give insn-constants.h/s-constants their own rules. Add rules
6332 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6333 (build/read-rtl.o): Depend on gensupport.h.
6334 (genprognormal): Include preds.
6335 (genprogearly): Rename genprognoprint; only difference is now that
6336 they don't link with $(BUILD_PRINT).
6337 * dummy-conditions.c: Delete.
6339 2006-01-22 Zack Weinberg <zackw@panix.com>
6341 * genextract.c: Don't include insn-config.h. Do include vec.h.
6342 Declare vectors of int, char, and locstr.
6343 (locstr): New typedef.
6344 (struct extraction): Make all array fields into bare pointers.
6345 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6346 (insn_code_number): Delete.
6347 (accum_extract): New struct.
6348 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6349 (gen_insn): Take insn_code_number as an argument. Use an
6350 accum_extract structure instead of loading data directly into
6351 a struct extraction, and having to know how big it might get.
6352 (walk_rtx): Operate entirely on an accum_extract structure.
6353 (print_path): Avoid unnecessary use of printf.
6354 (print_header): New function, split out of main. Distinguish
6355 more carefully between an unrecognizable insn and an insn that
6356 has the code number of a define_expand.
6357 (main): Pass insn_code_number to gen_insn. Call print_header
6358 only after parsing. Avoid unnecessary use of printf.
6359 * Makefile.in (build/vec.o): New rule.
6360 (build/genextract): Depend on build/vec.o.
6361 (build/genextract.o): Don't depend on insn-config.h.
6363 2006-01-22 Zack Weinberg <zackw@panix.com>
6365 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6366 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6367 practical. Eliminate per-generator-program link rules.
6369 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6372 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6373 with a call expr to ...
6374 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6376 2006-01-23 Richard Guenther <rguenther@suse.de>
6378 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6379 before make_edge with conditional EDGE_TRUE_VALUE.
6381 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6382 Jan Hubicka <jh@suse.cz>
6383 Richard Guenther <rguenther@suse.de>
6385 PR rtl-optimization/25654
6386 * cfgexpand.c (aggregate_contains_union_type): New function.
6387 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6388 for structure variables that contain a union type.
6390 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6392 * gengtype.c (new_structure): Return the structure.
6393 (create_option): Add an extra "next" argument.
6394 (create_field): New function.
6395 (adjust_field_rtx_def): Use create_option and create_field.
6396 Remove a now-unnecessary call to find_structure.
6397 (adjust_field_tree_def): Likewise.
6398 (note_yacc_type): Remove an unnecessary call to find_structure.
6399 * gengtype.h (new_structure): Return the structure.
6400 (create_option): Add an extra argument.
6401 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6402 (option): Adjust calls to create_option.
6404 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6406 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6408 2006-01-22 Paul Brook <paul@codesourcery.com>
6409 Peter Barada <peter@the-baradas.com>
6411 * config/m68k/m68k.md: Add Coldfire FPU support.
6412 Define FP mode macro and associated attributes.
6413 Use it for float mode patterns.
6414 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6415 (LIBCALL_VALUE): Use m68k_libcall_value.
6416 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6417 (m68k_function_value): Ditto.
6418 (emit_move_sequence): Ditto.
6419 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6420 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6421 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6422 (MULTILIB_EXCEPTIONS): Ditto.
6423 * config/m68k/m68k.opt: Add mcfv4e.
6424 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6425 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6426 (m68k_output_function_prologue): Save ColdFire FPU registers.
6427 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6428 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6429 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6430 ColdFire FPU registers.
6431 (m68k_libcall_value, m68k_function_value): New functions.
6432 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6433 (LIBCALL_VALUE): Use m68k_libcall_value.
6434 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6435 (MASK_COLDFIRE): Add MASK_CFV4E.
6436 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6437 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6438 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6439 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6440 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6441 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6442 * doc/invoke.tex: Document -mcfv4e on m68k.
6444 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6446 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6449 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6452 * c-opts.c (c_common_handle_option): Don't include
6453 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6454 * doc/invoke.texi (C++ Dialect Options): Document that
6455 -Wnon-virtual-dtor is no longer included in -Wall.
6457 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6459 * gcov.c (print_version), gcov-dump.c (print_version),
6460 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6463 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6465 * df-scan.c (problem_SCAN): Added NULL reset function.
6466 (df_scan_reset_blocks): Added code to call reset block function
6467 (df_bb_refs_delete) Fixed comment.
6468 (df_insn_refs_delete): Made tolerant of deleting non existent info
6469 for dataflow problems that need to be reset.
6470 * df-core.c (df_set_blocks): Ditto.
6471 * df.h (struct df_problem): Added reset_fun.
6472 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6473 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6474 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6475 functions to clear out all references to def-use or use-def chains.
6477 2006-01-21 Ben Elliston <bje@au.ibm.com>
6479 * varasm.c (assemble_real): Initialise data array.
6481 2006-01-20 Paul Brook <paul@codesourcery.com>
6483 Merge from csl-arm-branch.
6484 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6485 * config/arm/arm.md (movdi): Force operands[1] to a register
6486 if we have a non-register source.
6487 (*arm_movdi, *movdf_soft_insn): Require that one of the
6488 operands be a register.
6489 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6490 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6492 2006-01-20 DJ Delorie <dj@redhat.com>
6494 * varasm.c (initialize_constant_valid_p): Allow pointers
6495 initialized from integer constants of lesser precision.
6496 (output_constant): Allow non-int-sized pointer modes to be
6497 initialized from integer constants.
6499 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6502 * cppdefault.h (struct default_include): Add multilib flag.
6503 * cppdefault.c (cpp_include_defaults): Set it.
6504 * c.opt (-imultilib): New option.
6505 * c-opts.c (imultilib): New.
6506 (c_common_handle_option): Handle -imultilib.
6507 (c_common_post_options): Likewise.
6508 * c-incpath.c (add_standard_paths, register_include_chains):
6510 * c-incpath.h (register_include_chains): Add extra parameter.
6511 * gcc.c (do_spec_1): Generate -imultilib option.
6512 (The Specs Language): Update %I description.
6513 (process_command): Update copyright notice.
6514 * doc/cppopts.texi (-imultilib): Document.
6515 * doc/invoke.texi (-imultilib): Include in option summary.
6516 (%I): Update specs documentation.
6518 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6520 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6522 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6524 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6527 2006-01-20 Richard Guenther <rguenther@suse.de>
6528 Steven Bosscher <stevenb.gcc@gmail.com>
6530 PR rtl-optimization/24626
6531 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6532 EDGE_TRUE_VALUE if in RTL mode.
6535 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6536 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6538 2006-01-20 Dirk Mueller <dmueller@suse.com>
6541 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6542 instead of a special NOP marker.
6543 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6544 NOP marker handling.
6545 * c-common.h (empty_body_warning): Add forward declaration.
6546 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6547 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6549 2006-01-20 Paul Brook <paul@codesourcery.com>
6551 * Makefile.in (lang_checks): Keep going if mkdir fails.
6553 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6555 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6556 be able to clean out basic block when not necessary.
6557 (df_scan_free): Fixed to properly delete information if df is
6558 unused before calling df_finish.
6559 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6560 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6562 (df_bb_refs_delete): New function.
6563 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6564 * df-core.c (df_set_blocks): Added code to properly clean out
6565 unused blocks if they are not part of the blocks to consider.
6566 Added additional null check.
6567 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6568 be able to clean out basic block when not necessary
6569 * df.h (df_free_bb_function): Ditto.
6570 (df_bb_refs_delete): New function.
6571 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6572 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6573 basic block parameter to be able to clean out basic block when not
6575 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6576 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6577 Fixed to properly delete information if df is unused before
6580 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6582 PR rtl-optimization/25799
6583 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6584 Corrected confluence operator to remove bits from op2 before oring
6585 with op1 rather than removing bits from op1.
6586 (df_ru_transfer_function): Corrected test on wrong bitmap which
6587 caused infinite loop. Both of these problems were introduced in
6588 the dataflow rewrite.
6590 2006-01-19 DJ Delorie <dj@redhat.com>
6592 * reload1.c (find_reload_regs): Note the details of reload
6593 failures in the dump file.
6594 (spill_failure): Likewise.
6596 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6598 * loop-iv.c: Include df.h and hashtab.h.
6599 (enum iv_grd_result): New enum.
6600 (DF_REF_IV, DF_REF_IV_SET): New macros.
6601 (struct biv_entry): New.
6602 (df, bivs): New global variables.
6603 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6604 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6606 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6607 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6608 analyzed_for_bivness_p, record_biv): New functions.
6609 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6610 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6611 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6613 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6615 (iv_number_of_iterations): Use new interface to iv analysis.
6616 * loop-unroll.c: Do not include varray.h.
6617 (analyze_iv_to_split_insn): Use new interface to iv
6619 * loop-unswitch.c (may_unswitch_on): Ditto.
6620 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6622 (df_bb_modify): Realloc tables to the new index.
6623 (df_find_use): New function.
6624 * df.h (df_find_use): Declare.
6625 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6627 * cfgloop.h (struct rtx_iv): Remove analysed field.
6628 (iv_get_reaching_def): Removed.
6629 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6630 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6631 (loop-iv.o): Add df.h and hashtab.h dependency.
6632 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6634 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6637 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6639 (__floatundisf, __floatundidf): Likewise.
6640 * libgcc2.h (IS_IBM_EXTENDED): Define.
6642 2006-01-19 DJ Delorie <dj@redhat.com>
6644 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6646 2006-01-19 Paul Brook <paul@codesourcery.com>
6648 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6649 as nothrow when unwinding tables are disabled.
6651 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6654 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6655 of bit-field" when in system header.
6657 2006-01-19 DJ Delorie <dj@redhat.com>
6659 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6660 the 16 bit shift limit of the m16c.
6662 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6665 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6666 * config/i386/i386.c (output_set_got): Output the label if we have one
6667 for the TARGET_DEEP_BRANCH_PREDICTION case.
6669 2006-01-19 Jan Hubicka <jh@suse.cz>
6670 H.J. Lu <hongjiu.lu@intel.com>
6671 Evandro Menezes <evandro.menezes@amd.com>
6673 * invoke.texi (generic): Document
6675 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6676 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6677 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6678 (x86_use_incdec, x86_pad_returns): New variables
6679 (TARGET_CPU_DEFAULT_generic): New constant
6680 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6681 (enum processor_type): Add generic32 and generic64.
6682 * i386.md (cpu attribute): Add generic32/generic64
6683 (movhi splitter): Behave sanely when both partial_reg_dependency and
6684 partial_reg_stall are set.
6685 (K8 splitters): Enable for generic as well.
6686 * predicates.md (incdec_operand): Use TARGET_INCDEC
6687 (aligned_operand): Avoid memory mismatch stalls.
6688 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6689 * ppro.md: Enable for generic32
6690 * i386.c (generic64_cost, generic32_cost): New.
6691 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6692 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6693 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6694 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6695 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6696 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6697 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6698 x86_accumulate_outgoing_args, x86_prologue_using_move,
6699 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6700 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6702 (x86_use_incdec, x86_pad_returns): New.
6703 (override_options): Add generic32 and generic64, translate "generic"
6704 to generic32/generic64 and "i686" to "generic32", refuse
6705 "generic32"/"generic64" as arch target.
6706 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6707 (ix86_reorg): Honor PAD_RETURNS.
6709 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6711 * tree-pretty-print.c (dump_generic_node): Handle
6712 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6713 * cgraph.c (cgraph_expand_queue): Rename from
6714 cgraph_analyze_queue. Update all users.
6715 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6716 cgraph_expand_queue.
6717 (cgraph_expand_all_functions): Likewise.
6718 (cgraph_finalize_pending_functions): Remove. Update callers.
6720 * tree.h (OMP_DIRECTIVE_P): Define.
6721 (OMP_PARALLEL_FN): Define.
6722 (OMP_PARALLEL_DATA_ARG): Define.
6723 (OMP_SECTIONS_SECTIONS): Define.
6724 * tree-pass.h (pass_expand_omp): Declare.
6725 * omp-low.c (struct omp_region): Declare.
6726 (struct omp_context): Remove fields 'parallel_type',
6727 'parallel_start_ix' and 'parallel_start_additional_args'.
6729 (struct omp_for_data): Rename from struct expand_omp_for_data.
6730 (omp_regions): New static variable.
6731 (root_omp_region): New static variable.
6732 (find_omp_clause): Make static.
6733 (is_in_combined_parallel_ctx): Remove.
6734 (is_combined_parallel): New.
6735 (extract_omp_for_data): Move earlier in the file.
6736 (workshare_safe_to_combine_p): New.
6737 (get_ws_args_for): New.
6738 (determine_parallel_type): Move earlier in the file.
6739 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6741 (omp_copy_decl): Likewise.
6742 (create_omp_child_function): Likewise.
6743 (lookup_omp_region): New.
6744 (dump_omp_region): New.
6745 (debug_omp_region): New.
6746 (debug_all_omp_regions): New.
6747 (new_omp_region): New.
6748 (scan_omp_parallel): If parallel_nesting_level > 1, the
6749 directive is nested within another parallel directive.
6750 Set OMP_PARALLEL_FN.
6751 (scan_omp_for): Do not try to handle combined parallel+for
6753 Remove FIXME comment.
6754 (scan_omp_nested): Remove.
6755 (scan_omp_1): Do not call scan_omp_nested when
6756 parallel_nesting_level is > 1.
6757 Do not change the DECL_CONTEXT of local variables found.
6758 (lookup_decl_in_outer_ctx): New.
6759 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6760 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6761 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6762 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6763 If CTX is nested, lookup VAR in the outer context when
6764 building copy assignment.
6765 (lower_send_clauses): Rename from expand_send_clauses.
6766 If CTX is nested, lookup VAR in the outer context when
6767 building copy assignments.
6768 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6769 If CTX is nested, lookup VAR in the outer context when
6770 building copy assignments.
6771 (expand_parallel_call): Rename from build_parallel_call.
6772 Handle combined parallel+workshare cases.
6773 Re-implement to emit code into the CFG.
6775 (expand_omp_parallel): Re-implement to emit code into the CFG.
6776 Call move_sese_region_to_fn to outline the sub-graph
6777 containing the parallel region.
6778 (expand_omp_for_1): Remove.
6779 (expand_omp_for_generic): Re-implement to emit code into the
6781 (expand_omp_for_static_nochunk): Likewise.
6782 (expand_omp_for_static_chunk): Likewise.
6783 (expand_omp_for): Likewise.
6784 (expand_omp_sections): Likewise.
6785 (remove_exit_barriers): New.
6786 (expand_omp_synch): New.
6788 (build_omp_regions_1): New.
6789 (build_omp_regions): New.
6790 (execute_expand_omp): New.
6791 (gate_expand_omp): New.
6792 (pass_expand_omp): Define.
6793 (lower_omp_sections): Rename from expand_omp_sections.
6794 Set OMP_SECTIONS_SECTIONS.
6795 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6796 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6797 (lower_omp_single): Rename from expand_omp_simple.
6798 (lower_omp_master): Rename from expand_omp_master.
6799 (lower_omp_ordered): Rename from expand_omp_ordered.
6800 (lower_omp_critical): Rename from expand_omp_critical.
6801 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6802 (lower_omp_for): Re-implement.
6803 (lower_omp_parallel): Re-implement.
6804 (lower_regimplify): Rename from expand_regimplify.
6805 (lower_omp_1): Rename from expand_omp_1.
6806 If there are syntax errors in the program, replace every
6807 OpenMP directive with NOP.
6808 Call lower_omp_* instead of expand_omp_*.
6809 (lower_omp): Rename from expand_omp.
6811 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6812 * tree-gimple.h (enum omp_parallel_type): Remove.
6813 (gimple_boolify): Declare extern.
6814 (find_omp_clause, determine_parallel_type): Remove.
6816 * gimple-low.c (lower_omp_directive): New.
6817 (lower_stmt): Call it.
6818 (record_vars_into): Move from ...
6819 (record_vars): ... here.
6820 Call record_vars_into with current_function_decl.
6822 * gimplify.c (struct gimplify_ctx): Remove fields
6823 combined_pre_p and combined_ctxp. Update users.
6824 (get_formal_tmp_var): Add documentation.
6825 (gimple_boolify): Make extern.
6826 (gimplify_expr_in_ctx): Remove. Update callers.
6827 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6828 will always be a BIND_EXPR.
6829 (gimplify_expr): Handle OMP_RETURN_EXPR.
6830 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6831 (OMP_PARALLEL): Add 3 operands.
6832 (OMP_SECTIONS): Add 1 operand.
6833 (OMP_RETURN_EXPR): Define.
6835 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6836 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6837 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6838 creating a circular free list.
6839 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6841 * tree-flow.h (move_sese_region_to_fn): Declare.
6842 (record_vars_into): Declare.
6843 * tree-cfg.c (make_omp_sections_edges): New.
6844 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6845 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6846 OMP_SECTIONS and OMP_SECTION.
6847 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6848 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6849 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6850 (gather_blocks_in_sese_region): New.
6851 (struct move_stmt_d): Declare.
6853 (move_block_to_fn): New.
6854 (move_sese_region_to_fn): New.
6856 * passes.c (init_optimization_passes): Schedule
6857 pass_expand_omp after pass_init_datastructures.
6859 * tree-ssa-operands.c (get_expr_operands): Handle
6860 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6861 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6863 2006-01-19 Jeff Law <law@redhat.com>
6865 * tree-vrp.c (extract_range_from_assert): Refine the result range
6866 if the variable referenced by the ASSERT_EXPR has a range and
6867 either the tentative result range or the previous range is a
6870 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6872 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6874 2006-01-19 Jan Hubicka <jh@suse.cz>
6876 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6878 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6880 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6881 (expand_compound_operation, expand_field_assignment): Fail if the
6882 bit lengths of an extract operation are out of range.
6883 (make_extraction): Compute wanted_inner_mode based on the position
6884 and length of the extraction. Make it extraction_mode for non-constant
6885 positions, and do not modify offset in that case. When generating a
6886 new MEM, use a mode that can hold the extraction while keeping correct
6887 alignment. Remove code that supported MEMs wrapped by USEs.
6888 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6890 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6892 * config/s390/s390.md ("Y", "y"): New mode attribute.
6893 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6894 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6895 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6896 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6897 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6898 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6899 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6900 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6901 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6902 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6903 "addsi3", "subsi3"): Insn patterns removed.
6904 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6905 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6906 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6907 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6908 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6909 "*sub<mode>3_cconly2"): New insn patterns.
6910 ("addsi3", "subsi3"): New expanders.
6912 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6914 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6915 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6916 existing STMT_VINFO_VECTYPE if available.
6917 (vect_mark_relevant): Add special handling for stmts that are
6918 marked as STMT_VINFO_IN_PATTERN_P.
6919 (vect_analyze_loop): Call vect_pattern_recog.
6920 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6921 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6923 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6924 (vect_recog_func_ptr): New function-pointer type.
6925 * tree-vect-patterns.c: New file.
6926 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6927 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6928 (vect_pattern_recog_1): New functions.
6929 (vect_pattern_recog_funcs): New array of function pointers.
6931 * tree-vectorizer.h (ternary_op): New enum value.
6932 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6933 declaration. Revised documentation. Removed redundant dump prints.
6934 Removed redundant argument. Added support for reduction patterns.
6935 (vectorizable_reduction): Added support for reduction patterns.
6936 (vect_transform_stmt): Added support for patterns.
6938 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6939 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6940 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6941 (expand_widen_pattern_expr): New function.
6942 (init_optabs): Initialize new optabs udot_prod_optab,
6944 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6945 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6946 (expand_widen_pattern_expr): New function declaration.
6947 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6949 * tree-inline.c (estimate_num_insns_1): Added cases for new
6950 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6951 * tree-pretty-print.c (dump_generic_node): Likewise.
6952 (op_prio): Likewise.
6953 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6954 * tree-ssa-operands.c (get_expr_operands): Added case for
6956 * tree-vect-patterns.c (widened_name_p): New function.
6957 (vect_recog_dot_prod_pattern): Added function implementation.
6958 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6959 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6960 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6961 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6963 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6964 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6965 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6966 (init_optabs): Initialize new optabs widen_ssum_optab,
6968 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6969 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6970 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6971 use instead of type of def.
6972 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6973 function implementation.
6974 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6975 widen_ssumv8hi): New.
6977 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6980 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6983 * c-decl.c (add_flexible_array_elts_to_size): New function.
6984 (finish_decl): Use it.
6986 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6988 * diagnostic.h: Include options.h.
6989 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6990 dependancies for diagnostic.h.
6991 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6993 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6995 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6996 (ssa_ro_call_cache_valid): Ditto.
6997 * tree-ssa-alias.c (sort_tags_by_id): New function.
6998 (init_transitive_clobber_worklist): Ditto.
6999 (add_to_worklist): Ditto.
7000 (mark_aliases_call_clobbered): Ditto.
7001 (compute_tag_properties): Ditto.
7002 (set_initial_properties): Ditto.
7003 (compute_call_clobbered): Ditto.
7004 (compute_may_aliases): Call compute_call_clobbered and grouping.
7005 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7006 (compute_flow_insensitive_aliasing): Grouping now happens in our
7008 (setup_pointers_and_addressables): Remove clobbering related code.
7009 (add_may_alias): Ditto.
7010 (replace_may_alias): Ditto.
7011 (get_nmt_for): Ditto.
7012 (create_global_var):
7013 (is_escape_site): Return an escape_type enumeration.
7014 * tree-flow-inline.h (is_call_clobbered): Global var does not
7015 imply call clobbered.
7016 (mark_call_clobbered): Take a reason for marking this. Remove
7017 marking of globalness, and cache invalidation.
7018 (clear_call_clobbered): Remove cache invalidation code.
7019 * tree-dfa.c (dump_variable): If details is on, dump the reason
7021 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7023 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7024 (struct var_ann_d): Ditto.
7025 (enum escape_type): New.
7026 (mark_call_clobbered): Adjust prototype.
7027 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7028 are never call clobbered.
7029 Record reasons for escaping.
7030 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7031 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7032 (ssa_ro_call_cache_valid): Ditto.
7033 (clobbered_v_may_defs): Ditto.
7034 (clobbered_vuses): Ditto.
7035 (ro_call_vuses): Ditto.
7036 (clobber_stats): New.
7037 (init_ssa_operands): Zero out clobber stats.
7038 (fini_ssa_operands): Print out clobber stats.
7039 (get_call_expr_operands): Pass callee fndecl to
7041 (add_call_clobber_ops): Remove use of cache.
7042 Add use of PURE_CONST information.
7043 (add_call_read_ops): Remove use of cache.
7044 Add use of static not_read information.
7046 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7048 Introduce TLS descriptors for i386 and x86_64.
7049 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7050 (TARGET_ANY_GNU_TLS): New macro.
7051 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7052 (struct machine_function): Add tls_descriptor_call_expanded_p.
7053 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7054 (ix86_current_function_calls_tls_descriptor): Likewise.
7055 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7056 (override_options): Introduce gnu2 tls dialect.
7057 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7059 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7061 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7062 (ix86_init_machine_status): Initialize new field.
7063 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7064 (ix86_tls_module_base): New.
7065 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7066 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7067 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7068 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7069 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7070 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7071 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7072 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7073 * config/i386/predicates.md (tls_modbase_operand): New.
7074 (tp_or_register_operand): New.
7076 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7078 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7079 (look_for_address_of): Ditto.
7080 (ipa_init): Walk the function decls.
7081 (static_execute): Don't set readonly on FUNCTION_DECL's.
7083 2006-01-18 Roger Sayle <roger@eyesopen.com>
7085 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7086 for shifts where the source and destination registers are different.
7088 2006-01-18 Paul Brook <paul@codesourcery.com>
7090 Merge from csl-arm-branch.
7091 2005-03-14 Julian Brown <julian@codesourcery.com>
7092 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7093 (aeabi_llsl): Likewise.
7094 (ashrdi3): Likewise.
7095 (aeabi_lasr): Likewise.
7096 (lshrdi3): Likewise.
7097 (aeabi_llsr): Likewise.
7098 2005-03-10 Julian Brown <julian@codesourcery.com>
7099 * config.gcc: Disable shared libgcc for SymbianOS.
7100 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7102 2006-01-18 DJ Delorie <dj@redhat.com>
7104 * c-pragma.c (handle_pragma_diagnostic): New.
7105 (init_pragma): Register it.
7106 * doc/extend.texi: Document it.
7108 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7109 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7110 (diagnostic_context): Add classify_diagnostic[].
7111 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7112 as errors if they're overridden to DK_WARNING.
7113 (diagnostic_initialize): Initialize classify_diagnostic[].
7114 (diagnostic_set_kind_override): New.
7115 (diagnostic_report_diagnostic): Check for kind changes.
7116 * opts.c (common_handle_option): Take lang_mask. Update callers.
7118 * common.opt (Werror=): New.
7119 * doc/invoke.texi: Document -Werror=*
7121 2006-01-18 Jeff Law <law@redhat.com>
7123 * tree-vrp.c (test_for_singularity): Correct test for new
7124 min limit. Use operand_equal_p rather than pointer equality
7125 for testing if new min/max values are equal.
7127 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7128 using range information until after propagation and folding.
7130 2006-01-18 Richard Henderson <rth@redhat.com>
7131 Aldy Hernandez <aldyh@redhat.com>
7132 Jakub Jelinek <jakub@redhat.com>
7133 Diego Novillo <dnovillo@redhat.com>
7135 * omp-low.c: New file.
7136 * c-omp.c: New file.
7138 2006-01-18 Richard Henderson <rth@redhat.com>
7139 Jakub Jelinek <jakub@redhat.com>
7140 Diego Novillo <dnovillo@redhat.com>
7142 * doc/invoke.texi: Document -fopenmp.
7143 * tree-dump.h (debug_function): Declare.
7144 * hooks.c (hook_bool_tree_bool_false): New function.
7145 (hook_tree_tree_null): Remove.
7146 (hook_tree_tree_tree_null): New.
7147 * hooks.h: Update to match.
7148 * tree-pretty-print.c (debug_tree_chain): New.
7149 (print_generic_expr): Handle TDF_CHAIN.
7150 (dump_generic_node): Handle BLOCK.
7151 Do not abort with incomplete SWITCH_EXPRs.
7152 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7153 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7154 print space after directive name.
7155 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7156 Handle OMP_MASTER and OMP_ORDERED.
7157 Handle printing of OMP_BODY just in one place, goto
7158 dump_omp_body in the rest of OMP_* nodes that have
7160 Don't handle clause nodes here. Update omp statements to
7161 use dump_omp_clauses.
7162 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7163 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7164 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7165 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7166 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7167 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7168 Adjust output for GOMP_PARALLEL.
7169 (dump_omp_clauses): New.
7170 (print_declaration): Dump DECL_VALUE_EXPR.
7171 (op_symbol_1): Split out of op_symbol.
7172 (dumping_stmts): Remove. Update all users.
7173 * cgraph.c (cgraph_analyze_queue): New.
7174 (cgraph_add_new_function): New.
7175 * cgraph.h (cgraph_analyze_queue): Declare.
7176 (cgraph_add_new_function): Declare.
7177 (cgraph_lower_function): Remove.
7178 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7179 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7180 and TYPE_P nodes in its default clause.
7181 (empty_body_p): New.
7182 (tree_range_check_failed): New.
7184 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7185 OMP_CLAUSE_REDUCTION_MERGE,
7186 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7187 OMP_CLAUSE_PRIVATE_DEBUG,
7188 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7189 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7190 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7191 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7192 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7193 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7194 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7195 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7196 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7197 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7198 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7199 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7200 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7201 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7202 (TREE_RANGE_CHECK): New.
7203 (empty_body_p): Declare.
7204 (enum omp_clause_default_kind): New.
7205 (build_string_literal): Declare.
7206 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7207 (build5_stat, build5): Declare.
7208 * tree-pass.h (TDF_CHAIN): Define.
7209 * tree-pass.h (PROP_gimple_lomp): Define.
7210 (pass_lower_omp): Declare.
7211 * diagnostic.h (debug_tree_chain): Declare.
7212 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7214 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7215 * builtins.c (build_string_literal): Make extern.
7216 * gcc.c (include_spec_function): New.
7217 (static_spec_functions): Add it.
7218 (main): Move load of libgomp.spec ...
7219 (LINK_COMMAND_SPEC): ... here.
7220 (link_gomp_spec): New.
7221 (static_specs): Include it.
7222 (LINK_COMMAND_SPEC): Add link_gomp.
7223 (GOMP_SELF_SPECS): New.
7224 (driver_self_specs): Include it.
7225 (switch_matches): Don't mark inline.
7226 (main): Load libgomp.spec.
7227 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7228 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7229 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7230 * tree-gimple.h (enum omp_parallel): Declare.
7231 (determine_parallel_type): Declare.
7232 (omp_firstprivatize_variable): Declare.
7233 (omp_reduction_init): Declare.
7234 (diagnose_omp_structured_block_errors): Declare.
7235 (struct walk_stmt_info): Add want_return_expr.
7236 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7237 (find_omp_clause): Declare.
7238 (insert_field_into_struct): Declare.
7239 (struct walk_stmt_info): Move from tree-nested.c
7240 (walk_stmts): Declare.
7241 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7243 * cgraphunit.c (cgraph_lower_function): Make static.
7244 (cgraph_finalize_pending_functions): New.
7245 (cgraph_finalize_function): Call it.
7246 (cgraph_finalize_compilation_unit): Likewise.
7247 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7248 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7249 (BT_FN_UINT_UINT): New.
7250 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7251 DEF_FUNCTION_TYPE_VAR_4): Document.
7252 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7253 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7254 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7255 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7256 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7257 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7258 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7259 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7260 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7261 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7262 into separate files.
7263 (DEF_GOMP_BUILTIN): New.
7264 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7265 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7266 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7267 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7268 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7269 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7270 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7271 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7272 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7273 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7274 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7275 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7276 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7277 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7278 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7279 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7280 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7281 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7282 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7283 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7284 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7285 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7286 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7287 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7288 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7289 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7290 * sync-builtins.def: New file, moved from builtins.def.
7291 * omp-builtins.def: New file, moved from builtins.def.
7292 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7293 * gimple-low.c (lower_function_body): Clear data.
7294 (lower_stmt): Do not handle COMPOUND_EXPR.
7295 Remove call to print_node_brief.
7296 * c-tree.h (c_finish_omp_clauses): New prototype.
7297 (C_DECL_THREADPRIVATE_P): Define.
7298 (lookup_name_no_remap, c_omp_remap_private): Remove
7299 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7300 (check_for_loop_decls): Update decl.
7301 (lookup_name_no_remap, c_omp_remap_private): Declare.
7302 (build_indirect_ref, build_modify_expr, pushdecl,
7303 pushdecl_top_level): Move to c-common.h.
7304 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7305 before the switch, but just in the 2 places that need it.
7306 * c-decl.c (diagnose_mismatched_decls): Do not check for
7307 mismatched thread-local attributes when OLDDECL is marked
7308 threadprivate and NEWDECL has no thread-local attributes.
7309 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7310 (c_gimple_diagnostics_recursively): Rename from
7311 c_warn_unused_result_recursively. Invoke
7312 diagnose_omp_structured_block_errors.
7313 (check_for_loop_decls): Return a singular decl found.
7314 * langhooks.c (lhd_omp_predetermined_sharing): Return
7315 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7316 (lhd_omp_firstprivatize_type_sizes): New.
7317 (lhd_omp_assignment): New.
7318 (lhd_omp_predetermined_sharing): New.
7319 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7320 (struct lang_hooks_for_types): Add
7321 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7322 omp_predetermined_sharing, omp_disregard_value_expr,
7323 omp_private_debug_clause, omp_clause_default_ctor,
7324 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7325 (c_finish_omp_clauses): New.
7326 (c_finish_bc_stmt): Diagnose break within omp for.
7327 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7328 (build_unary_op): Return error_mark after reporting
7330 (build_modify_expr): Likewise.
7331 * gimplify.c: Include optabs.h and pointer-set.h.
7332 (enum gimplify_omp_var_data): Declare.
7333 (struct gimplify_omp_ctx): Declare.
7334 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7336 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7337 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7338 (splay_tree_compare_decl_uid): New.
7339 (new_omp_context): New.
7340 (delete_omp_context): New.
7341 (gimple_add_tmp_var): Call omp_add_variable.
7342 (gimplify_bind_expr): Likewise.
7343 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7344 true, disregard DECL_VALUE_EXPR on the decl if any.
7345 (gimplify_expr_in_ctx): New.
7346 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7347 omp_add_variable, omp_notice_variable, omp_is_private
7348 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7349 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7350 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7351 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7352 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7353 gimplify_omp_atomic): New.
7354 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7355 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7356 OMP_CRITICAL and OMP_ATOMIC.
7357 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7358 * c-pragma.h (enum pragma_kind): Add
7359 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7360 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7361 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7362 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7363 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7364 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7365 PRAGMA_OMP_THREADPRIVATE.
7366 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7367 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7368 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7369 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7370 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7371 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7372 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7373 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7374 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7375 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7376 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7377 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7378 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7380 (struct nesting_info): Add field_map,
7381 suppress_expansion, debug_var_chain.
7382 (create_nesting_tree): Initialize them.
7383 (lookup_field_for_decl): Use field_map.
7384 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7385 (convert_local_omp_clauses): New.
7386 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7387 (walk_body): Split out of walk_function.
7388 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7389 (convert_nonlocal_reference): Handle omp statements.
7390 (convert_local_reference): Likewise.
7391 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7392 (unnest_nesting_tree): New.
7393 (lower_nested_functions): Call it.
7394 (insert_field_into_struct): Make extern.
7395 (struct walk_stmt_info): Move to tree-gimple.h.
7396 (walk_stmts): Make extern.
7397 * omp-builtins.def: New file.
7398 * tree-iterator.c (expr_only): Clarify comment.
7399 * c-common.h (pushdecl_top_level, pushdecl,
7400 build_modify_expr, build_indirect_ref,
7401 c_finish_omp_master, c_finish_omp_critical,
7402 c_finish_omp_ordered, c_finish_omp_barrier,
7403 c_finish_omp_atomic, c_finish_omp_flush,
7404 c_finish_omp_for, c_split_parallel_clauses,
7405 omp_clause_default_kind, c_omp_sharing_predetermined,
7406 c_omp_remap_decl): Declare.
7407 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7408 (OBJS-common): Add omp-low.o.
7409 (c-omp.o, omp-low.o): Add.
7410 (gimplify.o): Add dependency on $(OPTABS_H).
7411 (GTFILES): Add omp-low.c.
7412 (gt-stringpool.h): Add.
7413 * tree-cfg.c (set_bb_for_stmt): Do not update the
7414 block-to-labels map if we are currently expanding to RTL.
7415 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7417 Handle IDENTIFIER_NODE.
7418 (tree_verify_flow_info): Do not ICE when emitting error
7419 messages about invalid labels.
7420 (dump_function_to_file): Reset CFUN before emitting the body
7422 (debug_function): New.
7423 * passes.c (init_optimization_passes): Schedule
7425 * langhooks-def.h (lhd_omp_predetermined_sharing,
7426 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7428 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7429 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7430 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7431 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7432 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7433 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7434 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7435 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7436 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7437 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7438 (LANG_HOOK_DECLS): Use them.
7440 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7441 Richard Henderson <rth@redhat.com>
7442 Jakub Jelinek <jakub@redhat.com>
7443 Diego Novillo <dnovillo@redhat.com>
7445 * c-parser.c (pragma_omp_clause): Define.
7446 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7447 (c_parser_compound_statement): Likewise.
7448 (c_parser_statement): Likewise.
7449 (c_parser_pragma): Handle omp pragmas.
7450 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7451 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7452 (c_parser_omp_clause_name, check_no_duplicate_clause,
7453 c_parser_omp_variable_list,
7454 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7455 c_parser_omp_clause_copyprivate,
7456 c_parser_omp_clause_default,
7457 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7458 c_parser_omp_clause_lastprivate,
7459 c_parser_omp_clause_nowait,
7460 c_parser_omp_clause_num_threads,
7461 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7462 c_parser_omp_clause_reduction,
7463 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7464 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7465 c_parser_omp_atomic, c_parser_omp_barrier,
7466 c_parser_omp_critical, c_parser_omp_flush,
7467 c_parser_omp_for_loop, c_parser_omp_for,
7468 c_parser_omp_master, c_parser_omp_ordered,
7469 c_parser_omp_sections_scope, c_parser_omp_sections,
7470 c_parser_omp_parallel, c_parser_omp_single,
7471 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7472 * c-pragma.c (init_pragma): Do omp pragma registration here.
7473 * c.opt (fopenmp): New flag.
7475 2006-01-18 Eric Christopher <echristo@apple.com>
7477 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7478 * config/darwin.h (GOMP_SELF_SPECS): Define.
7480 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7482 * rtl.h: Remove the prototype for reg_alloc.
7484 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7487 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7488 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7489 sjlj and dwarf2 exception handling.
7490 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7491 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7492 * pa/pa.c (function_value): Treat complex and vector types as
7494 (function_arg): Likewise. Only pass scalar floats in the floating
7495 point argument registers.
7496 * pa/t-slibgcc-dwarf-ver: New file.
7497 * pa/t-slibgcc-sjlj-ver: New file.
7498 * pa/t-slibgcc-elf-ver: Delete file.
7500 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7502 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7503 unlikely_test_section_p test.
7505 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7507 * mode-switching.c (optimize_mode_switching): Make it static.
7508 * basic-block.h: Remove the prototype for
7509 optimize_mode_switching.
7511 * modulo-sched.c (sms_schedule): Make it static.
7512 * rtl.h: Remove the prototype for sms_schedule.
7514 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7515 * rtl.h: Remove the prototype for gcse_after_reload_main.
7517 * reg-stack.c (reg_to_stack): Make it static.
7518 * rtl.h: Remove the prototype for reg_to_stack.
7520 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7522 * rtl.h: Remove the prototypes for regrename_optimize and
7523 copyprop_hardreg_forward.
7525 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7527 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7528 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7529 Test against the appropriate null constant for the mode.
7530 If 'fixup_overlap' is true, swap the operands if they overlap.
7531 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7532 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7533 alpha_split_tmode_pair and adjust for above change.
7534 * config/alpha/alpha.md (movtf_internal): Adjust call to
7535 alpha_split_tfmode_pair and rely on it to swap the operands.
7536 (movti_internal): New insn and post-reload splitter.
7537 (movti): New expander.
7539 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7541 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7544 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7546 * rtlanal.c (global_reg_mentioned_p_1,
7547 global_reg_mentioned_p): Remove.
7548 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7550 * flow.c (initialize_uninitialized_subregs): Make it static.
7551 * rtl.h: Remove the prototype for
7552 initialize_uninitialized_subregs.
7554 * function.c (instantiate_virtual_regs): Make it static.
7555 * function.h: Remove the prototype for
7556 instantiate_virtual_regs.
7558 * regmove.c (regmove_optimize, combine_stack_adjustments):
7560 * rtl.h: Remove the prototypes for regmove_optimize and
7561 combine_stack_adjustments.
7563 2006-01-17 Roger Sayle <roger@eyesopen.com>
7565 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7566 (size_cost): Encode costs in bytes so that a reg-reg addition is
7567 equivalent to COSTS_N_INSNS(1).
7568 (override_options): Use the size_cost.branch_cost as the default
7569 ix86_branch_cost when optimizing for size.
7571 2006-01-18 Ben Elliston <bje@au.ibm.com>
7573 * Makefile.in (D32PBIT_FUNCS): New.
7574 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7575 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7576 D64PBIT_FUNCS and D128PBIT_FUNCS.
7577 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7578 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7580 (decnumber_dep): Define.
7581 * doc/libgcc.texi (Decimal float library routines): New node.
7582 * config/dfp-bit.h, config/dfp-bit.c: New files.
7584 2006-01-18 Ben Elliston <bje@au.ibm.com>
7586 * expr.c (emit_move_change_mode): Always adjust addresses, not
7587 just during reload. Copy replacements only during reload.
7588 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7589 emit_move_via_integer.
7591 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7593 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7594 instead of $(srcdir) and ${srcdir}.
7596 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7600 * arm.h (struct machine_function): Add pic_reg.
7601 * arm.c (arm_pic_register): Make unsigned.
7602 (arm_override_options): Only set arm_pic_register if
7603 TARGET_SINGLE_PIC_BASE.
7604 (use_return_insn): Only test for a pic register if it is fixed.
7605 (arm_compute_save_reg0_reg12_mask): Likewise.
7606 (thumb_compute_save_reg_mask): Likewise.
7607 (legitimate_pic_operand): Factor out some known invariants.
7608 (legitimize_pic_address): If we don't have a fixed pic register,
7609 then set up a pseudo in the function entry sequence. Handle the
7610 pic base being in a pseudo.
7611 (arm_load_pic_register): Handle the pic register being in a pseudo.
7612 (arm_expand_prologue): Only set up the pic register if it is fixed.
7613 (thumb_expand_prologue): Likewise.
7614 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7615 (pic_load_addr_based_insn): Likewise.
7616 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7619 2006-01-18 Ben Elliston <bje@au.ibm.com>
7621 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7622 decimal float modes for all floating point registers.
7624 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7625 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7627 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7630 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7631 even when the pointer is not NULL.
7633 2006-01-16 Ian Lance Taylor <ian@airs.com>
7635 * common.opt (ftoplevel-reorder): New option.
7636 * cgraph.c (cgraph_asm_nodes): New global variable.
7637 (cgraph_asm_last_node): New static variable.
7638 (cgraph_order): New global variable.
7639 (cgraph_create_node): Set new order field.
7640 (cgraph_varpool_node): Likewise.
7641 (decide_is_variable_needed): Return true if not
7642 flag_toplevel_reorder.
7643 (cgraph_add_asm_node): New function.
7644 * cgraph.h (struct cgraph_node): Add order field.
7645 (struct cgraph_varpool_node): Add order field.
7646 (struct cgraph_asm_node): Define.
7647 (cgraph_asm_nodes, cgraph_order): Declare.
7648 (cgraph_add_asm_node): Declare.
7649 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7651 (cgraph_varpool_assemble_pending_decls): Call it.
7652 (cgraph_output_pending_asms): New static function.
7653 (cgraph_finalize_compilation_unit): Call it.
7654 (struct cgraph_order_sort): Define.
7655 (cgraph_output_in_order): New static function.
7656 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7657 !flag_toplevel_reorder case.
7658 * c-parser.c: Include "cgraph.h".
7659 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7661 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7662 than -fno-unit-at-a-time.
7663 * doc/invoke.texi (Option Summary): Mention
7664 -fno-toplevel-reorder.
7665 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7666 -funit-at-a-time documentation.
7668 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7669 Kazu Hirata <kazu@codesourcery.com>
7671 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7673 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7675 * Makefile.in (FUNCTION_H): New. Use it instead of
7676 function.h throughout the file.
7677 * function.h: Include tree.h.
7679 2006-01-17 Ben Elliston <bje@au.ibm.com>
7681 * recog.c: Separate some functions with whitespace.
7683 2006-01-16 Richard Henderson <rth@redhat.com>
7685 Merge from gomp branch:
7686 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7687 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7688 and rename from struct inline_data. Rename callee* to dst*;
7689 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7690 transform_new_cfg, transform_return_to_modify, and
7691 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7693 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7694 (copy_decl_for_dup): Remove.
7695 * tree-inline.c (struct inline_data): Move to header.
7696 (insert_decl_map): Export.
7697 (remap_decl): Update for member name changes. Use copy_decl hook.
7698 Allow for replacement to be a non-decl. Remove dead code.
7699 (remap_type_1): Check for existing mapping.
7700 (remap_type): Export.
7701 (remap_decls): Update for member name changes.
7702 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7703 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7704 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7705 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7706 (tree_function_versioning, build_duplicate_type): Likewise.
7707 (copy_body_r): Likewise. Export.
7708 (copy_decl_for_dup): Split into ...
7709 (copy_decl_for_dup_finish, copy_decl_to_var,
7710 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7711 (replace_ref_tree, inlining_p): Remove.
7713 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7715 * ifcvt.c (if_convert): Make it static.
7716 * rtl.h: Remove the prototype for if_convert.
7718 * local-alloc.c (local_alloc): Make it static.
7719 * rtl.h: Remove the prototype for local_alloc.
7721 * loop.c (loop_optimize): Make it static.
7722 * cfgloop.h: Remove the prototype for loop_optimize.
7725 2006-01-16 DJ Delorie <dj@redhat.com>
7727 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7730 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7732 * pa.md: Disparage copies between general and floating-point registers
7733 in 32-bit move patterns.
7735 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7738 * Makefile.in (check-%): Depend on site.exp instead of
7739 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7742 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7744 * global.c (global_alloc): Make it static.
7745 * rtl.h: Remove the prototype for global_alloc.
7747 2006-01-16 Richard Guenther <rguenther@suse.de>
7749 * tree-ssa-alias.c (struct used_part): Add write_only field.
7750 (get_or_create_used_part_for): Initialize it to true.
7751 (create_overlap_variables_for): Don't create structure variables
7752 for structures that only are written to.
7753 (find_used_portions): Handle MODIFY_EXPR to track whether a
7754 structure is only written to.
7756 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7758 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7760 * basic-block.h: Remove the prototype for
7761 partition_hot_cold_basic_blocks.
7763 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7765 * cppspec.c (lang_specific_spec_functions): Remove.
7766 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7767 * gcc.h (lang_specific_spec_functions): Remove.
7768 * gccspec.c (lang_specific_spec_functions): Remove.
7770 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7772 * combine.c (record_value_for_reg): Invalidate registers
7774 (record_dead_and_set_regs_1): Likewise, by passing them to
7775 record_value_for_reg.
7776 (record_dead_and_set_regs): Invalidate stores made by a
7777 call. We do not combine across a call, but we still
7778 relied on equivalences.
7780 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7782 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7783 vrp_int_const_binop returning non-constant nodes.
7785 2006-01-16 Paul Brook <paul@codesourcery.com>
7787 * config/m68k/m68k.c (output_move_const_into_data_reg):
7788 Output correct mnemonic for mvz and mvs.
7790 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7792 * rtl-factoring.c: Add sequence abstraction algorithm.
7793 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7794 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7796 (block_has_preserve_label): New function.
7797 * common.opt: Register new pass.
7798 * Makefile.in: Ditto.
7800 * timevar.def: Ditto.
7801 * tree-pass.h: Ditto.
7802 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7803 * rtl.h (make_jump_insn_raw): Add forward decl.
7804 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7806 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7807 Roger Sayle <roger@eyesopen.com>
7809 * fold-const.c (fold_minmax): New static function.
7810 (fold_binary) <MIN_EXPR>: Call it.
7811 <MAX_EXPR>: Likewise.
7812 * stor-layout.c (place_field): Use DECL_SIZE consistently
7813 in the computation of the new record size.
7815 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7817 * cse.c (cse_condition_code_reg): Make it static.
7818 * rtl.h: Remove the prototype for cse_condition_code_reg.
7820 * combine.c (combine_instructions): Make it static.
7821 * rtl.h: Remove the prototype for combine_instructions.
7823 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7826 * tree.c (get_file_function_name_long): Concatenate the first global
7827 object name with a string derived from the input filename of the object
7830 2006-01-16 Ben Elliston <bje@au.ibm.com>
7832 * config/i386/winnt-stubs.c: Update FSF address.
7833 * config/xtensa/ieee754-df.S: Ditto.
7834 * config/xtensa/ieee754-sf.S: Ditto.
7836 2006-01-14 Ian Lance Taylor <ian@airs.com>
7838 * ifcvt.c (noce_init_if_info): New static function, broken out of
7839 noce_process_if_block.
7840 (noce_process_if_block): Call noce_init_if_info.
7841 (check_cond_move_block): New static function.
7842 (cond_move_process_if_block): New static function.
7843 (process_if_block): Call cond_move_process_if_block.
7845 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7847 * cselib.c (hash_table): Rename to cselib_hash_table.
7848 (cselib_clear_table, discard_useless_values,
7849 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7850 cselib_init, cselib_finish): Adjust uses of hash_table.
7852 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7854 PR tree-optimization/25485
7855 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7856 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7857 is known to be false and true, respectively.
7859 2006-01-14 Richard Guenther <rguenther@suse.de>
7861 PR tree-optimization/22548
7862 PR tree-optimization/22555
7863 PR tree-optimization/22501
7864 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7865 * params.def (salias-max-array-elements): New parameter.
7866 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7867 * doc/invoke.texi (salias-max-array-elements): Document.
7868 * tree-flow-inline.h (var_can_have_subvars): We also handle
7870 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7872 * tree-ssa-structalias.c (params.h): Include.
7873 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7874 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7875 (get_constraint_for): For ADDR_EXPR operating on something
7876 containing an ARRAY_REF, add all subvars to the solution.
7877 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7878 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7879 for creating MUST_DEFs.
7880 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7882 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7884 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7886 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7887 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7888 number_of_iterations_le): New functions.
7889 (number_of_iterations_special): Removed.
7890 (number_of_iterations_exit): Do not use number_of_iterations_special.
7891 * tree.c (unsigned_type_for): Always return integer type.
7893 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7894 Richard Guenther <rguenther@suse.de>
7896 PR rtl-optimization/24257
7897 * gcse.c (find_moveable_store): Only consider a store movable
7898 when the SET_SRC of the insn can be assigned to a register.
7900 2006-01-14 Ian Lance Taylor <ian@airs.com>
7902 * tree.c (tree_not_class_check_failed): New function.
7903 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7904 (tree_not_class_check_failed): Declare.
7906 2006-01-13 Ian Lance Taylor <ian@airs.com>
7908 * reload1.c (do_output_reload): Add assertion rejecting a
7911 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7913 * combine.c (struct reg_stat): Add new fields truncation_label and
7915 (record_value_for_reg): Reset truncated_to_mode.
7916 (record_truncated_value): New function.
7917 (check_promoted_subreg): Call it. Rename to check_conversions.
7918 (combine_instructions): Rename check_promoted_subreg to
7920 (reg_truncated_to_mode): New function.
7921 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7922 (gen_lowpart_or_truncate): New function.
7923 (force_to_mode): Use it instead of gen_lowpart.
7925 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7927 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7928 VAR is a tag, not its type tag.
7930 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7932 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7933 alternatives to match style of other entries.
7934 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7936 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7938 PR tree-optimization/25771
7939 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7942 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7945 * tree-inline.c (declare_return_variable): If the return variable
7946 was marked as a non gimple complex, set the return slot variable
7947 to be a non gimple comple variable.
7949 2006-01-13 Richard Guenther <rguenther@suse.de>
7951 * builtins.c (expand_builtin_sincos): New function.
7952 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7954 (expand_builtin): Expand sincos using expand_builtin_sincos.
7956 2006-01-12 DJ Delorie <dj@redhat.com>
7958 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7959 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7960 so that constant shifts can be split.
7961 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7962 (m32c_valid_pointer_mode): Make static.
7963 (shift_gen_func_for): New.
7964 (m32c_prepare_shift): Use it. Split large const shifts into
7966 * config/m32c/predicates.md (shiftcount_operand): Allow more
7968 (longshiftcount_operand): New.
7969 * doc/md.texi (Machine Constraints): Document In6.
7971 2006-01-13 Ben Elliston <bje@au.ibm.com>
7973 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7974 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7977 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7979 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7980 to try to avoid clobbering pieces of structures when we know
7981 something about the whole structure.
7982 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7984 2006-01-13 Ben Elliston <bje@au.ibm.com>
7986 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7987 return in memory, as this is no limitation is no longer present.
7989 2006-01-12 DJ Delorie <dj@redhat.com>
7991 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7992 mova with fb, and for fb+0 -> An.
7994 * config/m32c/mov.md (peephole2): Fix enabling logic.
7996 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7997 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7998 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7999 FINI_ARRAY_SECTION_ASM_OP): Define.
8001 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8003 (m32c_legitimize_reload_address): New logic to reload FB to An.
8004 (m32c_output_reg_push): Add newline.
8005 (m32c_output_reg_pop): Likewise.
8007 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8009 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8011 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8013 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8015 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8017 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8020 2006-01-11 Ben Elliston <bje@au.ibm.com>
8022 * rtlanal.c (find_reg_note): Assert insn is not null.
8024 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8026 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8029 2006-01-11 Jeff Law <law@redhat.com>
8031 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8033 (mark_threaded_blocks, register_jump_thread): New functions.
8034 (thread_through_all_blocks): Remove unwanted argument. No
8035 longer rely on e->aux to communicate thread target info.
8036 Call mark_threaded_blocks. Release the threaded_blocks
8037 bitmap and threaded_edges vector when complete.
8038 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8039 (threaded_blocks): Remove.
8040 (tree_ssa_dominator_optimize): Remove initialization and
8041 finalization of threaded_blocks. Simplify call to
8042 thread_through_all_blocks.
8043 (thread_across_edge): Call register_jump_thread rather than
8044 storing thread information into e->aux.
8045 (free_all_edge_infos): Simplify now that e->aux is no longer
8046 used to communicate with thread_through_all_blocks.
8047 * tree-flow.h (thread_through_all_blocks): Update prototype.
8048 (register_jump_thread): Prototype.
8050 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8052 * df-core.c (df_compact_blocks, df_bb_replace): Use
8053 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8055 2006-01-11 Richard Guenther <rguenther@suse.de>
8057 PR tree-optimization/25734
8058 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8059 stop propagation after successful propagation to the LHS.
8061 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8063 * basic-block.h (control_flow_graph): Change the type of
8064 x_basic_block_info to VEC(basic_block,gc) *.
8065 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8067 (SET_BASIC_BLOCK): New.
8068 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8069 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8070 * cfgbuild.c (find_basic_blocks): Likewise.
8071 * cfglayout.c (fixup_reorder_chain): Likewise.
8072 * cfgrtl.c (create_basic_block_structure,
8073 rtl_create_basic_block): Likewise.
8074 * ifcvt.c (find_if_case_1): Likewise.
8075 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8078 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8080 * Makefile.in: Removed rotted odf.c entry.
8082 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8085 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8086 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8087 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8088 output pattern modifier, not %e.
8089 * config/cris/cris.c (cris_op_str): Update comment about pattern
8091 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8092 before falling through into...
8093 <case 'E'>: Redefined from old 'e' case.
8095 2006-01-11 Jan Hubicka <jh@suse.cz>
8098 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8100 2006-01-11 Jan Hubicka <jh@suse.cz>
8102 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8103 * i386.c (x86_decompose_lea): Kill.
8104 (ix86_rtx_costs): Kill.
8106 2006-01-11 Jan Hubicka <jh@suse.cz>
8108 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8109 * cgraph.h (cgraph_node): Add inline_decl.
8110 (cgraph_insert_node_to_hashtable): Declare.
8111 (save_inline_function_body): Declare.
8112 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8114 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8115 (cgraph_function_versioning): Update call of tree_function_versioning.
8116 (save_inline_function_body): New function.
8117 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8118 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8119 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8120 (cgraph_default_inline_p): Likewise.
8121 (cgraph_decide_inlining_incrementally): Likewise.
8122 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8123 (copy_bb): Kill saving; do updating of clones.
8124 (copy_cfg_body): Kill saving.
8125 (initialize_inlined-parameters): Likewise.
8126 (expand_call_inline): Likewise.
8128 (tree_function_versioning): New parameter "update_clones".
8129 (inlining_p): Kill saving.
8130 * tree-inline.h (tree_function_versioning): Update prototype.
8131 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8134 2006-01-11 Ian Lance Taylor <ian@airs.com>
8136 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8137 Allow undoing set of machine mode.
8138 (do_SUBST): Use enums instead of is_int.
8139 (do_SUBST_MODE): New function.
8140 (SUBST_MODE): New macro.
8141 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8142 reg and trying to replace reg_regno_rtx with a new register.
8143 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8144 (simplify_set): Use SUBST_MODE.
8145 (distribute_notes): Remove code that tried to update reg notes
8146 for regno_reg_rtx changes.
8148 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8150 PR tree-optimization/23109
8151 PR tree-optimization/23948
8152 PR tree-optimization/24123
8154 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8155 * tree-cfg.c (single_noncomplex_succ): New.
8156 * tree-flow.h (single_noncomplex_succ): Declare it.
8157 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8158 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8159 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8160 insert_bb, register_division_in, insert_reciprocals,
8161 replace_reciprocal, free_bb): New.
8162 (execute_cse_reciprocals_1): Rewritten.
8163 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8164 Do not commit any edge insertion. Always compute dominators and
8165 create the allocation pool.
8166 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8167 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8168 * targhooks.c (default_min_divistions_for_recip_mul): New.
8169 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8170 * passes.c (init_optimization_passes): Run recip after tree loop
8172 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8174 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8175 Kenneth Zadeck <zadeck@naturalbridge.com>
8177 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8178 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8179 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8180 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8181 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8182 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8183 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8184 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8185 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8186 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8187 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8188 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8189 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8190 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8191 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8192 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8193 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8194 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8195 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8196 DF_SCAN_POST_ALLOC): New macros.
8197 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8198 df_free_bb_function, df_local_compute_function, df_init_function,
8199 df_dataflow_function, df_confluence_function_0,
8200 df_confluence_function_n, df_transfer_function,
8201 df_finalizer_function, df_free_function, df_dump_problem_function,
8202 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8203 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8204 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8205 df_urec_bb_info, ) New types.
8206 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8208 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8209 df_analyze_simple_change_some_blocks,
8210 df_analyze_simple_change_one_block, df_compact_blocks,
8211 df_bb_replace, df_bb_regno_last_use_find,
8212 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8213 df_insn_regno_def_p, df_find_def, df_find_use,
8214 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8215 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8216 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8217 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8218 debug_df_chain, df_get_dependent_problem, df_chain_create,
8219 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8220 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8221 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8222 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8223 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8224 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8225 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8226 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8227 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8228 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8229 df_reorganize_refs, df_set_state, df_hard_reg_init,
8230 df_read_modify_subreg_p) New public functions.
8231 * df-core.c: The core dataflow solver and glue routines for rtl
8233 (df_init, df_add_problem, df_set_blocks, df_finish,
8234 df_hybrid_search_forward, df_hybrid_search_backward,
8235 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8236 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8237 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8238 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8239 df_reg_defined, df_find_use, df_reg_used, df_dump,
8240 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8241 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8242 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8243 debug_df_useno, reset_df_after_reload): New functions.
8244 * df-scan.c: The scanning fuctions, once in df.c, completely
8245 rewritten so that they now fully model the functionality of
8246 register usage at the backend.
8247 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8248 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8249 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8250 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8251 df_get_artificial_defs, df_get_artificial_uses,
8252 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8253 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8254 df_refs_delete, df_reorganize_refs, df_set_state,
8255 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8256 df_def_record_1, df_defs_record, df_uses_record,
8257 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8258 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8259 df_record_exit_block_uses, df_hard_reg_init): New functions.
8261 * df-problems.c: Seven concrete dataflow problems that use the
8262 scanning in df-scan.c and are solved by the engine in df-core.c.
8263 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8264 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8265 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8266 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8267 df_ru_free_bb_info, df_ru_alloc,
8268 df_ru_bb_local_compute_process_def,
8269 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8270 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8271 df_ru_transfer_function, df_ru_free, df_ru_dump,
8272 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8273 df_rd_free_bb_info, df_rd_alloc,
8274 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8275 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8276 df_rd_transfer_function, df_rd_free, df_rd_dump,
8277 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8278 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8279 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8280 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8281 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8282 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8283 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8284 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8285 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8286 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8287 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8288 df_urec_mark_reg_use_for_earlyclobber,
8289 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8290 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8291 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8292 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8293 df_chain_create_bb_process_use, df_chain_create_bb,
8294 df_chain_finalize, df_chain_free, df_chains_dump,
8295 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8296 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8297 df_reg_lifetime): New functions.
8298 * df.c: Deleted file.
8299 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8300 consistent with new df api.
8301 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8302 rest_of_handle_sms): Ditto.
8303 * web.c (unionfind_union, union_defs, entry_register, web_main):
8305 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8306 invariant_expr_equal_p, find_defs, check_dependencies,
8307 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8308 free_inv_motion_data, move_loop_invariants): Ditto.
8309 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8310 Update dependencies.
8311 (odf.c): Added defective entry that was deleted later in day.
8312 * sched-deps.c (sched_analyze_1): Ditto.
8314 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8316 * tree-ssa-operands.c (get_expr_operands): Record addressable
8317 variables directly. Do not call add_stmt_operands for CONST_DECLs
8319 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8320 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8322 2006-01-11 Ben Elliston <bje@au.ibm.com>
8324 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8325 function returns true in the positive case.
8327 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8330 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8331 for SI, DI, SF and DF modes. Add alternatives to copy between
8332 general and floating point registers to the 32-bit patterns.
8333 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8334 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8335 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8336 generating 64-bit code.
8337 * config/pa/pa.c (output_move_double): Handle copies between general
8338 and floating registers.
8340 2006-01-10 Stuart Hastings <stuart@apple.com>
8342 * config/i386/i386.md (set_got): Update.
8343 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8344 (builtin_setjmp_receiver): Mach-O support.
8345 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8346 (GOT_SYMBOL_NAME): Define.
8347 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8348 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8349 * config/i386/i386.c (override_options): Revise for Darwin.
8350 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8351 support. (darwin_x86_file_end): New. (output_set_got): Add label
8352 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8353 * config/i386/i386-protos.h (output_set_got): Likewise.
8354 * config/darwin.c (machopic_legitimize_pic_address): Update
8357 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8359 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8360 when MODE isn't BLKmode.
8362 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8364 PR rtl-optimization/25367
8365 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8367 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8370 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8371 for a negative bound.
8373 2006-01-10 Richard Guenther <rguenther@suse.de>
8375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8376 Never override with anything constraint.
8378 2006-01-10 Jan Beulich <jbeulich@novell.com>
8380 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8381 256 bits when optimize_size.
8383 2006-01-10 Jan Beulich <jbeulich@novell.com>
8385 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8387 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8388 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8391 2006-01-10 Ben Elliston <bje@au.ibm.com>
8393 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8395 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8396 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8397 (USE_FP_FOR_ARG): Reject decimal float modes.
8398 (function_arg_advance): Likewise.
8399 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8400 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8401 point types in AltiVec vectors.
8402 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8403 (rs6000_libcall_value): Likewise.
8405 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8407 * config/xtensa/ieee754-df.S: New file.
8408 * config/xtensa/ieee754-sf.S: New file.
8409 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8410 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8411 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8413 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8415 * config/sh/predicates.md (binary_float_operator,
8416 binary_logical_operator, commutative_float_operator,
8417 equality_comparison_operator, greater_comparison_operator,
8418 less_comparison_operator, logical_operator,
8419 noncommutative_float_operator, shift_operator,
8420 symbol_ref_operand, unary_float_operator): Remove redundant
8423 2006-01-09 Jeff Law <law@redhat.com>
8425 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8426 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8427 now unused arguments. Callers updated.
8428 (eliminate_redundant_computations): Remove now unused arguments,
8430 (local_fold): Remove, no longer used.
8431 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8433 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8434 (simplify_cond): New function.
8435 (forward_propagate_into_cond): Call simplify_cond.
8437 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8439 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8440 (*vec_extractv2di_1_sse): New.
8442 2006-01-09 Ben Elliston <bje@au.ibm.com>
8444 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8446 2006-01-08 Richard Guenther <rguenther@suse.de>
8448 * tree-ssa-structalias.c (get_constraint_for): Remove
8450 (get_constraint_for_component_ref): Likewise.
8451 (do_deref): Likewise.
8452 (get_constraint_for): Likewise.
8453 (do_structure_copy): Likewise.
8454 (handle_ptr_arith): Likewise.
8455 (find_func_aliases): Likewise. Remove unused need_anyoffset
8458 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8459 Kaz Kojima <kkojima@gcc.gnu.org>
8461 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8462 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8463 (EXTRA_CONSTRAINT_C16): Remove.
8464 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8465 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8466 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8467 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8468 constants of SHmedia. Handle nested constant expressions of
8470 (andcosts): Fix the costs for SHmedia constants.
8471 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8472 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8473 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8474 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8475 (movv4hi_i, movv2si_i): Likewise.
8476 (movsi_const): Adjust the second operand of ior so to match with
8478 (movdi_const, movdi_const_32bit): Likewise.
8479 (movdi_const_16bit+1): Don't sign-extend LOW.
8480 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8482 (*double_shori): Fix the split condition. Use GEN_INT instead
8483 of get_int_mode calls. Mask lower 16-bit of the argument of
8485 (sym2GOTPLT): Remove.
8486 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8488 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8489 instead of EXTRA_CONSTRAINT_C16.
8491 2006-01-07 Ian Lance Taylor <ian@airs.com>
8492 David Edelsohn <edelsohn@gnu.org>
8494 PR rtl-optimization/25662
8495 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8496 for constant operands instead of simplify_gen_binary.
8497 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8498 after trying simplify_binary_operation
8500 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8502 * tree.c (iterative_hash_expr): Hash decls based on UID.
8504 2006-01-06 Eric Christopher <echristo@apple.com>
8506 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8507 (TARGET_UNWIND_EMIT): Fix spelling.
8508 * target.h (gcc_target): Add except_table_label.
8509 * except.c (output_function_exception_table): Use.
8510 * varasm.c (default_emit_except_table_label): New.
8511 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8513 (asm_out): Add here.
8514 * output.h (default_emit_except_table_label): Prototype.
8515 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8516 * config/darwin.c (darwin_emit_except_table_label): Define.
8517 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8519 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8521 PR tree-optimization/18527
8522 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8523 number_of_iterations_special, number_of_iterations_exit):
8524 Move base and step of an iv to a single structure. Add
8525 no_overflow flag, and use it in # of iterations analysis.
8526 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8527 folded_casts argument.
8528 (simple_iv): Pass base and step in a structure. Set no_overflow
8530 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8531 Evaluate expensiveness of computing # of iterations instead of
8532 the final expression.
8533 * tree-scalar-evolution.h (affine_iv): New structure.
8534 (simple_iv): Declaration changed.
8535 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8536 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8537 find_givs_in_stmt): Changed due to simple_iv change.
8539 2006-01-06 Jeff Law <law@redhat.com>
8542 * tree-cfg.c (bsi_replace): Rename final argument from
8543 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8544 change (stmt -> orig_stmt).
8545 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8546 (bsi_remove): Add new argument. Remove EH information
8548 (verify_eh_throw_table_statements): New function.
8549 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8551 * tree-optimize.c (execute_free_cfg_annotations): Verify
8552 the EH throw statement table after removing annotations.
8553 * except.h (verify_eh_throw_table_statements): Prototype.
8554 * tree-flow.h (bsi_remove): Update prototype.
8555 * tree-vrp.c (remove_range_assertions): Add new argument to
8557 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8558 * tree-complex.c (expand_complex_div_wide): Likewise.
8559 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8560 * tree-tailcall.c (eliminate_tailcall): Likewise.
8561 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8562 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8563 * tree-nrv.c (tree_nrv): Likewise.
8564 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8565 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8566 (combine_blocks): Likewise.
8567 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8568 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8569 (cleanup_control_flow): Likewise.
8570 (remove_forwarder_block): Likewise.
8571 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8572 * tree-sra.c (sra_replace): Likewise.
8573 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8574 (forward_propagate_single_use_vars): Likewise.
8575 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8576 * tree-inline.c (expand_call_inline): Likewise.
8577 * tree-vect-transform.c (vect_transform_loop): Likewise.
8578 * tree-outof-ssa.c (rewrite_trees): Likewise.
8579 * tree-cfg.c (make_goto_expr_edges): Likewise.
8580 (cleanup_dead_labels): Likewise.
8581 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8582 (bsi_move_before, bsi_move_after): Likewise.
8583 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8584 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8586 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8589 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8591 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8592 on non gimple variables. Also add checks at the top for decls and
8594 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8596 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8597 and IMAGPART_EXPR for creating MUST_DEFs.
8598 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8599 and NAME_MEMORY_TAG separately from the DECLs.
8601 2006-01-06 Richard Guenther <rguenther@suse.de>
8603 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8604 annotation, if necessary.
8605 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8606 redundant calls to update_stmt.
8607 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8610 2006-01-05 Richard Henderson <rth@redhat.com>
8612 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8614 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8616 * c-typeck.c: Update copyright date.
8618 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8620 * c-typeck.c (build_c_cast): Always warn when casting
8621 from a pointer to an integer of different size, even if
8622 the node was constant.
8624 2006-01-05 Richard Guenther <rguenther@suse.de>
8626 PR tree-optimization/22555
8627 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8628 if one structure field is an array.
8629 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8630 operands even if we found a subvar, but ignore VOPs in this
8632 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8634 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8636 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8639 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8641 2006-01-05 Richard Guenther <rguenther@suse.de>
8642 Diego Novillo <dnovillo@redhat.com>
8644 * tree-pass.h (TODO_remove_unused_locals): Define.
8645 * gimple-low.c (expand_var_p, remove_useless_vars,
8646 pass_remove_useless_vars): Remove. Update all users.
8647 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8648 (remove_unused_locals): New function.
8649 * tree-flow.h (remove_unused_locals): Declare.
8650 * passes.c (execute_todo): Call remove_unused_locals if
8651 TODO_remove_unused_locals is set.
8652 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8653 * tree-ssa-dce.c (pass_dce): Likewise.
8654 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8656 2006-01-05 Richard Guenther <rguenther@suse.de>
8658 * tree-flow.h (struct fieldoff): Decompose field to
8659 type, size and decl.
8660 * tree-ssa-alias.c (create_sft): Take type as parameter.
8661 (create_overlap_variables_for): Store type, size and decl
8662 in the fieldoff structure.
8663 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8665 (push_fields_onto_fieldstack): Likewise.
8666 (create_variable_info_for): Likewise. Use offset for the
8667 SFT name if the decl is not available.
8669 2006-01-04 Paul Brook <paul@codesourcery.com>
8671 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8673 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8675 * lambda-code.c (can_put_in_inner_loop): Relax
8677 (can_put_after_inner_loop): New function.
8678 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8679 (perfect_nestify): Change to make copies and modify uses.
8681 2006-01-04 Richard Henderson <rth@redhat.com>
8683 Merge from gomp branch:
8684 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8685 via integer constant.
8686 (pragma_lex): Remove.
8687 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8688 rather than parsing it.
8689 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8690 handle_pragma_extern_prefix): Add %< %> quotes.
8691 (registered_pragmas): New.
8692 (c_register_pragma_1): New.
8693 (c_register_pragma): Use it.
8694 (c_register_pragma_with_expansion): Likewise.
8695 (c_invoke_pragma_handler): New.
8696 (init_pragma): Use cpp_register_deferred_pragma directly for
8698 * c-pragma.h (enum pragma_kind): New.
8699 (pragma_handler): New.
8700 (c_invoke_pragma_handler): Declare.
8701 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8703 * c-common.h (c_common_pch_pragma): Update decl.
8704 * Makefile.in (c-parser.o): Update dependencies.
8705 (GTFILES): Add c-pragma.h.
8706 * c-parser.c (struct c_token): Add pragma_kind.
8707 (struct c_parser): Add in_pragma.
8708 (c_lex_one_token): Always initialize keyword and pragma_kind.
8709 Extract data for CPP_PRAGMA.
8710 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8711 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8712 Don't allow CPP_PRAGMA_EOL if in_pragma.
8713 (c_parser_consume_pragma): New.
8714 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8715 (c_parser_skip_to_end_of_parameter): Likewise.
8716 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8717 (c_parser_skip_to_pragma_eol): New.
8718 (c_parser_external_declaration): Handle CPP_PRAGMA.
8719 (c_parser_compound_statement_nostart): Likewise.
8720 (c_parser_statement_after_labels): Likewise.
8721 (c_parser_pragma): New.
8722 (pragma_lex): Likewise.
8723 (c_parser_pragma_pch_preprocess): New.
8724 (c_parser_new): Merge into ...
8725 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8727 2006-01-04 Jeff Law <law@redhat.com>
8730 * tree-cfg.c (bsi_replace): Remove the original statement
8731 from the EH throw statement table.
8733 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8735 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8736 make the prototype extern "C" and add throw ().
8739 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8740 and pos non-negative and pos + len <= 32.
8741 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8742 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8743 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8746 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8747 as well as sizes not multiple of component size.
8750 * function.c (instantiate_expr): New function.
8751 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8752 walk its DECL_VALUE_EXPR with instantiate_expr.
8754 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8755 DW_OP_deref{,_size} if address isn't going to be added.
8757 2006-01-04 Ben Elliston <bje@au.ibm.com>
8759 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8760 * config/fp-bit.c: Likewise.
8762 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8764 * dominance.c: Add comment about why we use DFS numbering
8767 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8768 Richard Henderson <rth@redhat.com>
8770 Merge from gomp-branch:
8771 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8772 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8774 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8776 PR rtl-optimization/25578
8777 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8778 pass a parameter to simplify_shift_const if changing ASHIFTRT
8781 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8783 * builtins.c (get_builtin_sync_mem): New function.
8784 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8785 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8786 Call get_builtin_sync_mem to generate mem rtx.
8788 2006-01-03 Richard Guenther <rguenther@suse.de>
8791 * stmt.c (add_case_node): Make sure to clear overflow flags
8794 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8796 Merge from gomp-branch.
8797 * config/sparc/sync.md: New file.
8798 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8799 UNSPECV_LDSTUB): New constants.
8800 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8801 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8802 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8805 2006-01-03 Roger Sayle <roger@eyesopen.com>
8807 * combine.c (reg_subword_p): New predicate to test whether the
8808 destination of a set refers to a subword/piece of a register.
8809 (try_combine): Generalize the code to merge the setting of a
8810 pseudo to a constant followed by a set of a subword of that
8811 register to a constant.
8813 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8815 * basic-block.h (control_flow_graph): Change the type of
8816 x_label_to_block_map to VEC(basic_block,gc) *.
8817 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8818 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8820 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8821 VEC(basic_block,heap) *.
8822 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8823 ssa_prop_fini): Adjust the uses of cfg_blocks.
8825 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8827 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8829 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8830 hashing trees instead of a pointer hash.
8831 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8832 compare for MEM_EXPR.
8834 PR rtl-optimization/25130
8835 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8836 when comparing MEMs for GCSE
8838 2006-01-03 Ben Elliston <bje@au.ibm.com>
8840 * targhooks.h (default_decimal_float_supported_p): Declare.
8841 * targhooks.c (default_decimal_float_supported_p): Define.
8842 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8843 `default_decimal_float_supported_p'.
8844 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8846 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8848 * combine.c (apply_distributive_law <SUBREG>): Check
8849 TRULY_NOOP_TRUNCATION.
8851 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8853 * dwarf2out.c (have_switched_text_section): Delete.
8854 (have_multiple_function_sections): New.
8855 (have_location_lists): Make 'bool'.
8856 (add_AT_loc_list): Use 'true' not '1'.
8857 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8858 (output_loc_list): Use have_multiple_function_sections.
8859 (output_ranges): Likewise.
8860 (dwarf2out_begin_function): Set have_multiple_function_sections if
8862 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8863 Check function_section rather than DECL_SECTION_NAME.
8864 (dwarf2out_finish): Use have_multiple_function_sections.
8865 Don't clear have_location_lists.
8867 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8868 Jan Hubicka <jh@suse.cz>
8870 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8871 case of conditional jump jumping to the next instruction.
8872 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8873 cases of conditional jump jumping to the next instruction.
8875 2006-01-02 Jan Hubicka <jh@suse.cz>
8877 * i386.c (*_cost): Add COSTS_N_INSNS.
8878 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8880 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8883 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8885 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8887 * config/arm/arm.c (all_fpus): Fix comment typo.
8888 * config/darwin.c: Likewise.
8889 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8890 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8891 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8893 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8895 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8896 (rs6000_split_compare_and_swapqhi): New.
8897 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8898 (sync_compare_and_swapqhi_internal): New.
8899 * config/rs6000/rs6000-protos.h: Declare.