1 2006-04-04 Roger Sayle <roger@eyesopen.com>
3 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4 convert in the middle-end.
5 * expr.c (store_expr, store_constructor, get_inner_reference,
6 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8 * tree.c (build_range_type): Likewise.
10 2006-04-04 Tom Tromey <tromey@redhat.com>
12 * doc/install.texi (Prerequisites): Mention jar.
14 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
16 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
19 2006-04-04 Matthias Klose <doko@debian.org>
21 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
23 2006-04-03 Geoffrey Keating <geoffk@apple.com>
25 * doc/extend.texi (Function Attributes): Rewrite visibility
26 attribute documentation.
27 * doc/invoke.texi (C++ Dialect Options): Rewrite
28 -fvisibility-inlines-hidden documentation to describe something
29 entirely different, although in practise compatible.
30 (Code Gen Options): Warn about system headers in -fvisibiltity=
33 * doc/extend.texi (Other Builtins): Document that
34 __builtin_nan is a compile-time constant only when its argument
37 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
39 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
40 trying to remove TRUNCATE check if all bits outside the new mode
41 are identical to the sign bit.
43 2006-04-03 Jeff Law <law@redhat.com>
45 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
46 and operand scanning in some common cases.
48 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
49 Dale Johannesen <dalej@apple.com>
52 * regclass.c (struct reg_pref): Update documentation.
53 (regclass): Set prefclass to NO_REGS if memory is the best option.
54 (record_reg_classes): Cope with a prefclass set to NO_REGS.
55 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
56 into account. For non-registers, equate an empty preferred
57 reload class to a `!' in the constraint; move the if clause to
58 do so after those that reject the insn.
59 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
61 (find_dummy_reload): Likewise.
62 * doc/tm.texi (Register Classes): Document what it means
63 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
64 * config/i386/i386.c (ix86_preferred_reload_class): Force
65 using SSE registers (and return NO_REGS for floating-point
66 constants) if math is done with SSE.
67 (ix86_preferred_output_reload_class): New.
68 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
69 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
70 * config/i386/i386.md: Remove # register preferences.
72 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
75 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
76 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
78 (instantiate_parameters_1): Convert the operands before calling
79 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
80 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
82 2006-04-02 Roger Sayle <roger@eyesopen.com>
84 * builtins.c (dummy_object): Use build_int_cst instead of convert.
85 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
87 * dojump.c (do_jump): Likewise.
88 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
89 * gimplify.c (gimple_boolify, gimplify_init_constructor,
90 gimplify_boolean_expr): Likewise.
91 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
92 * varasm.c (array_size_for_constructor): Likewise.
93 * tree-object-size.c (compute_object_offset): Likewise.
95 2006-04-02 Roger Sayle <roger@eyesopen.com>
98 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
99 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
101 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
103 PR tree-optimization/26939
104 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
106 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
108 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
109 at_stmt. Convert the type of operands before calling
110 build_polynomial_chrec.
111 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
113 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
114 (instantiate_parameters_1): Convert the type of operands before calling
115 build_polynomial_chrec.
116 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
117 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
118 reset_evolution_in_loop): Insert asserts to check the types of the
120 (chrec_type): Moved...
121 (eq_evolutions_p): Use operand_equal_p.
122 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
123 the types of the operands.
124 (chrec_type): ...here.
125 * tree-data-ref.c (create_data_ref): Convert the operands before
126 calling chrec_replace_initial_condition.
127 (same_access_functions, analyze_subscript_affine_affine,
128 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
129 (compute_subscript_distance, analyze_ziv_subscript,
130 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
131 analyze_miv_subscript): Convert the operands before calling
132 chrec_fold_minus or chrec_fold_plus.
134 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
136 * tree-data-ref.c (compute_all_dependences): Use a pointer to
137 the dependence_relations vector.
138 (compute_data_dependences_for_loop): Adjust call to
139 compute_all_dependences.
141 2006-04-01 Roger Sayle <roger@eyesopen.com>
142 Richard Henderson <rth@redhat.com>
144 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
145 gimple_boolify on the condition before calling gimplify_expr.
147 2006-03-31 Bob Wilson <bob.wilson@acm.org>
149 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
150 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
151 the frame size. Update to use the new macros.
152 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
153 * config/xtensa/ieee754-df.S: Likewise.
155 2006-03-31 Richard Henderson <rth@redhat.com>
157 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
158 (make_edges): ... here. Control fallthru creation with a local
159 variable. Do not play with fake edges.
160 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
161 (make_goto_expr_edges): Don't play with fake edges. Make for_call
164 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
166 * dwarf2.h (DW64_CIE_ID): Define.
167 * dwarf2out.c (DWARF_CIE_ID): Define.
168 (output_call_frame_info): Output 0xffffffff before standard 8-byte
169 length header. Use DWARF_CIE_ID.
170 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
171 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
173 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
175 * config/sh/linux-atomic.asm: New file.
176 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
178 2006-03-31 DJ Delorie <dj@redhat.com>
180 * config/m32c/cond.md: Set condition flags properly throughout.
181 * config/m32c/minmax.md: Likewise.
182 * config/m32c/prologue.md: Likewise.
183 * config/m32c/bitops.md: Likewise.
184 * config/m32c/muldiv.md: Likewise.
185 * config/m32c/mov.md: Likewise.
186 * config/m32c/addsub.md: Likewise.
187 * config/m32c/m32c.md: Likewise.
188 * config/m32c/jump.md: Likewise.
189 * config/m32c/shift.md: Likewise.
191 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
192 conditionally output the pattern for this.
193 * config/m32c/m32c.c (flags_needed_for_conditional): New.
194 (m32c_compare_redundant): New.
195 (m32c_output_compare): New.
196 * config/m32c/m32c-protos.h (m32c_output_compare): New.
198 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
199 dest, not src. Allow other 4-byte modes.
201 2006-03-30 Denis Chertykov <denisc@overta.ru>
203 * doc/md.texi: Refer to avr/constraints.md instead of
206 2006-03-30 Roger Sayle <roger@eyesopen.com>
208 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
209 signed vs. unsigned comparison failures on some hosts.
211 2006-03-31 Alan Modra <amodra@bigpond.net.au>
214 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
215 change to FLOAT_REGS.
217 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
218 (rs6000_override_options): Use it.
219 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
220 only for -mabi=spe/no-spe and -mabi=altivec.
222 2006-03-30 Geoffrey Keating <geoffk@apple.com>
224 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
227 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
229 * Makefile.in: Rename docdir to gcc_docdir.
231 2006-03-30 Roger Sayle <roger@eyesopen.com>
234 * expr.c (emit_group_store): Optimize group stores into a pseudo
235 register by using a paradoxical subreg to initialize the destination
236 if the first or last member of the group specifies a "low part".
238 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
241 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
242 * target.h (struct gcc_target.speculate_insn): Change type of the
243 second parameter to 'int'.
244 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
245 the second operand of the DEPS_LIST.
246 (copy_DEPS_LIST_list): Update reference to the second operand of the
248 * rtl.h (alloc_DEPS_LIST): Update signature.
249 * sched-int.h (ds_t): Change typedef to 'int'.
250 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
252 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
254 * haifa-sched.c (try_ready): Change condition to restore
255 non-speculative pattern of the instruction.
256 (process_insn_depend_be_in_spec): Code to keep probability of the
257 speculative dependence non-decreasing.
259 2006-03-30 Jie Zhang <jie.zhang@analog.com>
261 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
262 (single_move_for_movmem): ... this. Also change all uses.
263 (bfin_expand_strmov): Renamed to...
264 (bfin_expand_movmem): ... this. Also change all uses.
265 * config/bfin/bfin.md (movstrsi): Renamed to...
268 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
270 PR tree-optimization/26830
272 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
273 (copy_prop_visit_stmt): Remove write-only variable ann.
274 (init_copy_prop): Check variable loop depth here. Do not simulate
275 memory-tag and virtual operand PHIs except for store copy prop.
277 2006-03-30 Richard Guenther <rguenther@suse.de>
279 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
280 variants with double arguments.
282 2006-03-29 David Edelsohn <edelsohn@gnu.org>
284 * genpreds.c (write_tm_constrs_h): Delete variable p.
285 * genconditions.c (write_header): Add tm-constrs.h to included
287 * genpeep.c (main): Add toplev.h to included headers.
288 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
289 (build/genpeep.o): Add toplev.h dependency.
290 * config/rs6000/constraints.md: Add "W" constraint.
292 2006-03-29 Roger Sayle <roger@eyesopen.com>
294 * stor-layout.c (mode_for_size_tree): Remove restiction on type
295 sizes by correctly testing whether the size fits a host integer.
296 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
297 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
298 SImode range for the default sizetype and bitsizetype.
300 2006-03-29 Roger Sayle <roger@eyesopen.com>
302 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
303 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
304 quickly if the argument is already of the correct type.
305 Call fold_build1 instead of build1. Tidy up blank lines.
307 2006-03-29 David Edelsohn <edelsohn@gnu.org>
309 * genemit.c (main): Add tm-constrs.h to included headers.
310 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
311 * genpeep.c (main): Add tm-constrs.h to included headers.
312 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
313 (write_tm_constrs_h): this and write complete file.
314 (write_tm_preds_h): Do not emit satisfies_constraint fns.
315 (write_insn_preds_c): Add tm-constrs.h to included headers.
316 (gen_constrs): New variable.
317 (parse_option): Parse "-c".
318 (main): Invoke write_tm_constrs_h.
319 * genrecog.c (write_header): Add tm-constrs.h to included headers.
320 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
321 (object_out_file): Add tm-constrs.h dependency.
323 (insn-output.o): Same.
325 (insn-preds.o): Same.
326 (insn-recog.o): Same.
327 (tm-constsr.h): New target.
328 (s-constrs-h): New target.
330 * config/rs6000/constraints.md: New file.
331 * config/rs6000/rs6000.c: Include tm-constrs.h.
332 (num_insn_constant_wide): Convert to satisfies_constraint.
333 (rs6000_rtx_costs): Convert to satisfies_constraint.
334 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
335 (CONST_OK_FOR_LETTER_P): Delete.
336 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
337 (EXTRA_CONSTRAINT): Delete.
338 (EXTRA_MEMORY_CONSTRAINT): Delete.
339 (EXTRA_ADDRESS_CONSTRAINT): Delete.
340 * config/rs6000/predicates.md: Convert to satisfies_constraint.
341 * config/rs6000/rs6000.md: Include constraints.md. Convert to
342 satisfies_constraint.
344 * config/i386/i386.c: Include tm-constrs.h.
346 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
348 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
349 * tree-data-ref.c (find_data_references_in_loop,
350 compute_data_dependences_for_loop): Use pointers to VEC.
351 (analyze_all_data_dependences): Adjust calls.
352 * tree-data-ref.h (find_data_references_in_loop,
353 compute_data_dependences_for_loop): Adjust declarations.
354 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
355 compute_data_dependences_for_loop.
357 2006-03-29 Paul Brook <paul@codesourcery.com>
359 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
362 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
364 PR tree-optimization/26859
365 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
367 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
368 for the step after fold_convert.
370 2006-03-29 Paul Brook <paul@codesourcery.com>
372 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
373 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
375 2006-03-29 Paul Brook <paul@codesourcery.com>
378 * targhooks.c (default_narrow_bitfield): New fuction.
379 * targhooks.h (default_narrow_bitfield): add prototype.
380 * target.h (gcc_target): Add narrow_volatile_bitfield.
381 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
382 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
383 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
384 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
386 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
388 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
390 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
391 (NR_C_MODES): Add TDmode, DDmode and SDmode.
392 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
393 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
394 (s390_function_arg_float): Allow SDmode and DDmode values to be
395 passed in floating point registers.
396 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
397 check with SCALAR_FLOAT_MODE_P.
398 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
400 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
402 PR tree-optimization/25985
403 * tree-ssa-loop-niter.c (number_of_iterations_le,
404 number_of_iterations_ne): Make comments more precise.
405 (number_of_iterations_cond): Add only_exit argument. Use the
406 fact that signed variables do not overflow only when only_exit
408 (loop_only_exit_p): New.
409 (number_of_iterations_exit): Pass result of loop_only_exit_p to
410 number_of_iterations_cond.
412 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
414 PR tree-optimization/26643
415 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
418 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
420 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
421 (divsi3_i4_int): Likewise.
423 2006-03-28 Roger Sayle <roger@eyesopen.com>
425 * expr.c (emit_group_store): Only create a new pseudo reg if the
426 quantity it needs to hold isn't already a suitable pseudo.
428 2006-03-28 Jeff Law <law@redhat.com>
430 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
431 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
433 2006-03-28 Roger Sayle <roger@eyesopen.com>
435 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
436 the equivalent ~X & Y, and the symmetry related transformations.
437 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
438 ~X & Y, and symmetry related transforms.
440 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
442 Revert my 2006-03-27 patches.
444 2006-03-28 Roger Sayle <roger@eyesopen.com>
446 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
447 ~(T1)X, when T1 and T2 are integer types of the same precision
448 and (T2)X isn't an extension.
450 2006-03-28 Jeff Law <law@redhat.com>
452 PR tree-optimization/26796
453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
454 need EH edge cleanups rather than purging them immediately.
455 (eliminate_degenerate_phis): Handle queued EH cleanups.
457 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
459 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
462 2006-03-27 Roger Sayle <roger@eyesopen.com>
465 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
466 cast BIT_NOT_EXPR operand to the correct type.
468 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
470 * tree-loop-linear.c: Don't include varray.h.
471 (gather_interchange_stats, try_interchange_loops,
472 linear_transform_loops): Use VEC instead of VARRAY.
473 * lambda-mat.c: Don't include varray.h.
474 * tree-chrec.c: Same.
475 * lambda-trans.c: Same.
476 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
477 VEC instead of VARRAY.
478 * tree-vectorizer.h: Idem.
479 * tree-data-ref.c (dump_data_references,
480 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
481 initialize_data_dependence_relation, finalize_ddr_dependent,
482 compute_all_dependences, find_data_references_in_loop,
483 compute_data_dependences_for_loop, analyze_all_data_dependences,
484 free_dependence_relation, free_dependence_relations,
485 free_data_refs): Idem.
486 * tree-data-ref.h (data_reference_p, subscript_p): New.
487 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
488 VEC instead of VARRAY.
489 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
490 (find_data_references_in_loop, compute_data_dependences_for_loop,
491 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
492 dump_data_dependence_relations, free_dependence_relations,
493 free_data_refs): Adjust declaration.
494 (lambda_transform_legal_p): Move declaration here...
495 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
496 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
497 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
498 vect_analyze_data_refs): Use VEC instead of VARRAY.
499 * lambda.h (lambda_transform_legal_p): ...from here.
500 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
501 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
502 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
503 tree-chrec.o): Don't depend on VARRAY_H.
505 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
507 * rtl.def (Copyright): Update date.
508 (DEPS_LIST): Change type of the second operand to 'int'.
509 * target.h (Copyright): Update date.
510 (struct gcc_target.speculate_insn): Change type of the second parameter
512 * lists.c (Copyright): Update date.
513 (alloc_DEPS_LIST): Change signature. Update reference to the second
514 operand of the DEPS_LIST.
515 (copy_DEPS_LIST_list): Update reference to the second operand of the
517 * rtl.h (Copyright): Update date.
518 (alloc_DEPS_LIST): Update signature.
519 * sched-int.h (Copyright): Update date.
520 (ds_t): Change typedef to 'int'.
521 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
523 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
525 * haifa-sched.c (Copyright): Update date.
526 (try_ready): Change condition to restore non-speculative pattern
528 (process_insn_depend_be_in_spec): Code to keep probability of the
529 speculative dependence non-decreasing.
531 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
533 * regrename.c (replace_oldest_value_addr): Initialize a variable to
534 shut up the compiler.
536 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
538 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
539 to use lib prefix for target.
540 ($(T)libic_invalidate_array_4-200.a): Likewise.
541 ($(T)libic_invalidate_array_4a.a): Likewise.
543 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
544 J"orn Rennecke <joern.rennecke@st.com>
546 * superh.opt: New file.
547 * sh.c (boardtype, osruntime): Remove.
548 * superh.h (SUBTARGET_OPTIONS): Remove.
549 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
551 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
552 arguments with ^ and/or [].
554 * config.gcc (sh-*-*): Add quoting to account for quirk of
556 Replace == with = in enable_incomplete_targets test.
558 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
559 with MASK_LITTLE_ENDIAN.
561 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
562 * config/sh/sh.opt: Added to some comments.
563 * config/sh/superh.h: Removed some chaff.
565 * config/sh/sh.opt: Add m4-[1234]00* options.
566 * config/sh/sh.c (sh_handle_option): Likewise.
567 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
568 (ic_invalidate_array_4-100.o): New rule.
569 ($(T)libic_invalidate_array_4-100.a): Likewise.
570 (ic_invalidate_array_4-200.o): Likewise.
571 ($(T)libic_invalidate_array_4-200.a): Likewise.
572 (ic_invalidate_array_4a.o): Likewise.
573 ($(T)libic_invalidate_array_4a.a): Likewise.
574 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
575 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
577 * config/sh/crt1.asm: Merged in profiling code.
578 * config/sh/superh.h (STARTFILE_SPEC): Override.
579 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
580 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
581 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
583 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
584 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
585 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
587 * sh.opt (mpretend-cmove): New option.
588 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
589 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
590 (movsicc): Add TARGET_PRETEND_CMOVE code.
592 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
594 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
595 s390_class_max_nregs): New function prototypes.
596 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
597 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
598 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
599 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
601 2006-03-26 Geoffrey Keating <geoffk@apple.com>
603 * dwarf2out.c (add_location_or_const_value_attribute): Call
604 tree_add_const_value_attribute if nothing else works.
605 (reference_to_unused): New.
606 (rtl_for_decl_init): Use reference_to_unused to decide whether
607 to output an initializer.
609 2006-03-27 Alan Modra <amodra@bigpond.net.au>
612 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
613 peephole removing spe frob_di_df_2.
615 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
617 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
618 (subscript_dependence_tester_1): Declared.
619 (print_dir_vectors, print_dist_vectors): New.
620 (debug_data_dependence_relation): New.
621 (dump_data_dependence_relation): Print more details.
622 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
623 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
624 (save_dist_v, save_dir_v, add_outer_distances,
625 build_classic_dist_vector_1): New.
626 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
627 Don't test for lambda_vector_lexico_pos.
628 (same_access_functions, add_multivariate_self_dist,
629 add_other_self_distances, dir_from_dist): New.
630 (build_classic_dir_vector): Replace implementation almost identical to
631 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
633 (subscript_dependence_tester_1): New.
634 (subscript_dependence_tester): Handle the lexicographically negative
635 distance vectors by recomputing the dependence relation.
636 (compute_affine_dependence): Remove parameter loop_nest_depth.
637 (compute_self_dependence): Don't call compute_subscript_distance.
638 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
639 Add a parameter for the loop_nest.
640 (find_loop_nest_1, find_loop_nest): New.
641 (compute_data_dependences_for_loop): Compute the loop nest, and give
642 up if the nest is not well formed.
643 * tree-data-ref.h (loop_p): New.
644 (struct data_dependence_relation): Replace size_vect field with
645 loop_nest, a vec of loops.
646 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
647 (DDR_LOOP_NEST): New.
648 (print_dir_vectors, print_dist_vectors,
649 debug_data_dependence_relation): Declared.
650 (index_in_loop_nest): New.
651 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
652 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
655 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
657 * simplify-rtx.c (simplify_relational_operation): Call
658 simplify_relational_operation_1 even if mode is VOIDmode.
660 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
662 PR tree-optimization/26804
663 * tree.h (DECL_CALL_CLOBBERED): New macro.
664 (tree_decl_common): Add call_clobbered_flag.
665 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
666 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
667 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
668 (mark_non_addressable): Ditto.
669 * tree-ssa.c (verify_call_clobbered): New function.
670 (verify_alias_info): Use it.
671 * tree-pass.h (pass_reset_cc_flags): New prototype.
672 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
673 (reset_cc_flags): New function.
674 * passes.c (init_optimization_passes): Call reset_cc_flags after
675 initializing referenced_vars.
677 2006-03-25 Uros Bizjak <uros@kss-loka.si>
678 Roger Sayle <roger@eyesopen.com>
681 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
682 to 1.0 for non-real operands. Implement A / A optimization for
685 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
687 * config/i386/i386.c (size_cost): Correct the comment for
688 cost of storing fp registers.
689 (i386_cost): Likewise.
690 (i486_cost): Likewise.
691 (pentium_cost): Likewise.
692 (pentiumpro_cost): Likewise.
694 (athlon_cost): Likewise.
696 (pentium4_cost): Likewise.
697 (nocona_cost): Likewise.
698 (generic64_cost): Likewise.
699 (generic32_cost): Likewise.
701 2006-03-24 Denis Chertykov <denisc@overta.ru>
703 * config/avr/avr-protos.h (extra_constraint): Delete.
704 (extra_constraint_Q): New declaration.
705 * config/avr/constraints.md: New file.
706 * config/avr/avr.md: Include it.
707 (REG_X, REG_Y, REG_Z, REG_W): New constants.
708 (TMP_REGNO, ZERO_REGNO): Likewise.
709 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
710 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
711 (extra_constraint): Delete.
712 (extra_constraint_Q): Test for memory constraint 'Q'.
713 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
714 (REG_CLASS_FROM_LETTER): Delete.
715 (CONST_OK_FOR_LETTER_P): Delete.
716 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
717 (EXTRA_CONSTRAINT): Delete.
719 (ZERO_REGNO): Delete.
721 2006-03-24 Jeff Law <law@redhat.com>
723 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
724 directly. Call mark_new_vars_to_rename slightly earlier.
726 2006-03-24 Geoffrey Keating <geoffk@apple.com>
728 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
730 (gen_compile_unit_die): Use new language types for Objective-C and
732 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
736 * config/t-darwin (crt3.o): Work around bug 26840.
737 * config/darwin-crt3.c: Rewrite.
738 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
740 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
742 * doc/invoke.texi: Document -femit-class-debug-always
743 * common.opt: Add -femit-class-debug-always.
745 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
747 * config/s390/s390.c (s390_decompose_address): Allow SImode for
748 index and base register.
749 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
750 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
751 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
752 REGNO_OK_FOR_INDEX_P.
753 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
755 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
756 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
757 REG_OK_FOR_BASE_P): Definitions removed.
759 2006-03-24 Jakub Jelinek <jakub@redhat.com>
762 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
763 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
764 set yet or weren't marked as local yet.
766 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
768 * regrename.c (scan_rtx_address): Initialize a variable to shut up
771 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
773 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
774 (rs6000_legitimate_small_data_p): Delete.
775 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
776 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
777 and make static. Add forward declaration. Update uses.
778 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
779 of offsettable_memref_p.
780 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
781 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
783 2006-03-24 Jeff Law <law@redhat.com>
785 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
786 around bug in immediate-use iterator.
788 2006-03-24 Alan Modra <amodra@bigpond.net.au>
791 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
792 or __LITTLE_ENDIAN__.
794 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
796 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
797 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
798 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
799 * config/sh/sh.opt (mdiv=): Amend description.
800 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
801 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
802 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
803 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
804 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
805 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
806 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
807 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
808 TARGET_DIVIDE_CALL_FP.
810 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
812 * haifa-sched.c (choose_ready): Fix type of the local variable.
813 Move local variables. Add comment.
814 (check_reg_live): Change signature. Make callable from debugger.
815 * sched-int.h (check_reg_live): Update signature.
816 * sched-ebb.c (check_reg_live): Update parameters.
817 * sched-rgn.c (check_reg_live): Ditto.
818 (region_head_or_leaf_p): Check pointer before dereferencing.
819 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
820 before reload on optimization levels below 1.
822 2006-03-23 Richard Henderson <rth@redhat.com>
824 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
828 * config/alpha/predicates.md (local_symbolic_operand): Reject
831 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
834 * tree-ssa-pre.c (create_value_expr_from): Don't reject
835 expressions which have overflowed constants.
837 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
839 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
841 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
843 * cfgloopmanip.c (create_loop_notes): Removed.
844 * final.c (final_scan_insn): Do not handle loop notes.
845 * jump.c (squeeze_notes): Ditto.
846 * cfglayout.c (skip_insns_after_block,
847 duplicate_insn_chain): Ditto.
848 * cfgcleanup.c (rest_of_handle_jump2): Do not call
850 * cfgloop.h (create_loop_notes): Declaration removed.
852 2006-03-23 Richard Sandiford <richard@codesourcery.com>
854 * varasm.c (output_constant_pool): Restore fnname and fndecl
856 (assemble_start_function): Adjust call accordingly.
857 (assemble_end_function): Likewise.
859 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
862 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
865 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
867 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
870 * system.h (ICE_EXIT_CODE): New macro.
871 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
872 (diagnostic_action_after_output): Likewise.
873 * gcc.c (fatal_ice): New function.
874 (execute): Use it instead of fatal.
875 (fancy_abort): Likewise.
876 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
878 2006-03-22 Jeff Law <law@redhat.com>
880 * loop-unroll.c (analyze_iv_to_split_insn): Handle
881 iv_analyze_result returning false.
883 2006-03-22 Jie Zhang <jie.zhang@analog.com>
885 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
887 2006-03-22 Richard Henderson <rth@redhat.com>
890 * except.c (duplicate_eh_regions_0): New.
891 (duplicate_eh_region_1): Duplicate the children of the node as
892 well as the node itself. Link them up properly.
893 (duplicate_eh_region_2): Merge into ...
894 (duplicate_eh_regions): ... here. Take copy_region argument, and
895 copy only a sub-tree if asked. Simplify copying and fixup.
896 (eh_region_outer_p): New.
897 * except.h (duplicate_eh_regions): Update decl.
898 (eh_region_outer_p): Declare.
899 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
900 (lower_omp_master): Likewise.
901 (lower_omp_ordered): Likewise.
902 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
903 (move_stmt_r): Use it to remap labels. Handle recursion vs
904 remap_decls_p properly.
905 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
906 (find_outermost_region_in_block): New.
907 (new_label_mapper): New.
908 (move_sese_region_to_fn): Copy eh information to the new function
910 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
912 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
915 2006-03-22 Richard Sandiford <richard@codesourcery.com>
917 * doc/md.texi (-mshared): Mention that -mshared code can be linked
918 into shared libraries.
920 2006-03-22 Richard Sandiford <richard@codesourcery.com>
922 * doc/md.texi: Refer to i386/constraints.md instead of
924 * config/i386/constraints.md: New file, extracted from...
925 * config/i386/predicates.md: ...here.
926 * config/i386/i386.md: Include constraints.md.
928 2006-03-21 Jason Merrill <jason@redhat.com>
930 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
933 * expr.c (init_block_move_fn): Force default visibility.
934 (init_block_clear_fn): Likewise.
935 * builtins.c (expand_builtin_fork_or_exec): Likewise.
936 * targhooks.c (default_external_stack_protect_fail): Likewise.
938 2006-03-21 Richard Sandiford <richard@codesourcery.com>
940 * config/mips/predicates.md (const_call_insn_operand): Allow direct
941 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
942 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
943 Use TARGET_OLDABI instead of !TARGET_NEWABI.
944 (loadgp): Use mips_current_loadgp_style.
945 (loadgp_noshared): New pattern.
946 (sibcall_internal): Use MIPS_CALL.
947 (sibcall_value_internal): Likewise.
948 (sibcall_value_multiple_internal): Likewise.
949 (call_internal): Likewise.
950 (call_value_internal): Likewise.
951 (call_value_multiple_internal): Likewise.
952 (call_split): Use MIPS_CALL and add an 'S' constraint.
953 (call_value_split): Likewise.
954 (call_value_multiple_split): Likewise.
955 * config/mips/mips.opt (-mabicalls): Tweak docstring.
956 (-mshared): New option.
957 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
958 (mips_current_loadgp_style): Declare.
959 * config/mips/mips.c (mips_classify_symbol): Avoid using
960 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
961 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
962 TARGET_ABSOLUTE_ABICALLS.
963 (override_options): Adjust comments. Improve the warning that is
964 issued when -mabicalls and -G are used together.
965 (mips_file_start): Remove comment.
966 (mips_current_loadgp_style): New function.
967 (mips_gnu_local_gp): New variable.
968 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
970 (mips_output_function_prologue): Use mips_current_laodgp_style.
971 (mips_expand_prologue): Call mips_emit_loadgp before emitting
972 the cprestore instruction.
973 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
974 live for TARGET_ABSOLUTE_ABICALLS.
975 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
976 (ASM_SPEC): Pass down -mshared and -mno-shared.
977 (MIPS_CALL): New macro.
978 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
980 * doc/invoke.texi (-mabicalls): Update documentation.
981 (-mshared): Document.
983 2006-03-21 Steve Ellcey <sje@cup.hp.com>
985 * config/ia64/unwind-hpux.c: New file.
986 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
988 2006-03-21 Steve Ellcey <sje@cup.hp.com>
991 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
993 2006-03-21 Jeff Law <law@redhat.com>
995 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
996 type conversions of a VR_VARYING source to a wider type.
998 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1000 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1001 tm_file on Solaris 10 and later.
1002 (sparc64-*-solaris2*): Likewise.
1003 (sparc-*-solaris2*): Likewise.
1004 * config/sol26.h: Rename to config/sol2-6.h.
1005 * config/sol2-10.h: New file.
1007 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1010 * tree-ssa-pre.c (create_component_ref_by_pieces):
1013 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1016 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1017 return it immediately.
1019 2006-03-21 Michael Matz <matz@suse.de>
1021 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1023 (remove_arc, add_arc): Update num_out_arcs member.
1024 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1026 (cache_presence): New function.
1027 (compare_states_for_equiv): New function.
1028 (state_is_differed): Don't take number of outargs, adjust callers.
1029 Use new invariant for speeding up.
1030 (init_equiv_class): Create initial classes based on sorted
1032 (partition_equiv_class): Don't track out_arcs_num.
1033 (evaluate_equiv_classes): Call cache_presence on all states and
1036 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1038 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1039 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1040 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1041 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1043 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1044 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1045 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1046 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1047 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1049 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1050 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1051 (REGNO_REG_CLASS): ARGP is in PREGS.
1052 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1054 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1055 to deal with those addresses.
1056 * addresses.h: New file.
1057 * caller-save.c: Include "addresses.h".
1058 (init_caller_save): Use new base_reg_class function.
1059 * rtl-factoring.c: Include "addresses.h".
1060 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1061 * recog.c: Include "addresses.h".
1062 (preprocess_constraints): Use new base_reg_class function.
1063 * regrename.c: Include "addresses.h".
1064 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1065 functions. Keep track of a new var INDEX_CODE to compute valid
1067 (replace_oldest_value_addr): Likewise.
1068 (replace_oldest_value_mem): Use base_reg_class.
1069 * reload.c: Include "addresses.h".
1070 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1071 (find_reloads): Use new base_reg_class function.
1072 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1073 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1074 all callers and prototype changed.
1075 * reload1.c: Include "addresses.h".
1076 (maybe_fix_stack_asms): Use base_reg_class.
1077 * regclass.c: Include "addresses.h".
1078 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1079 (init_reg_autoinc): Use new base_reg_class function.
1080 (record_reg_classes): Likewise.
1081 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1082 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1083 Use new args to compute necessary class.
1085 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1086 regrename.o, rtl-factoring.o): Update dependencies.
1087 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1088 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1089 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1090 REG_OK_FOR_INDEX_P): Delete documentation.
1092 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1094 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1095 from V7 to V9 for Solaris 7 and above.
1097 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1099 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1100 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1101 argument pointers may not alias any other storage.
1102 * common.opt: Define option -fargument-noalias-anything.
1103 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1104 alias semantics is specified by flag_argument_noalias > 2.
1106 2006-03-20 Jeff Law <law@redhat.com>
1108 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1109 (pass_phi_only_cprop): Declare.
1110 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1112 * tree-ssa-dom.c (degenerate_phi_result): New function.
1113 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1114 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1115 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1116 (eliminate_degenerate_phis): Likewise.
1117 (pass_phi_only_cprop): New pass descriptor.
1118 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1119 support code. Callers updated.
1120 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1121 (store_copy_prop): Likewise.
1122 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1124 2006-03-20 Jason Merrill <jason@redhat.com>
1127 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1128 (push_visibility, pop_visibility): Likewise.
1129 * c-pragma.h: Declare them.
1131 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1133 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1135 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1136 parameter and use get_ebb_head_tail.
1137 (sh_md_init_global): Adjust uses of find_regmode_weight.
1139 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1141 * function.h (struct function) <x_tail_recursion_reentry>:
1142 Rename to x_stack_check_probe_note.
1143 (tail_recursion_reentry): Rename to stack_check_probe_note.
1144 * function.c: Replace tail_recursion_reentry with
1145 stack_check_probe_note everywhere.
1146 (expand_function_start): Only emit a note for
1147 stack_check_probe_note with -fstack-protect.
1148 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1150 * emit-rtl.c (remove_unnecessary_notes): Remove.
1151 (pass_remove_unnecessary_notes): Remove.
1152 * rtl.h (remove_unnecessary_notes): Remove prototype.
1153 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1154 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1155 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1157 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1160 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1161 (valid_in_set): Handle ARRAY_REF.
1162 Change "if min_variant or VH" to asserts.
1163 (create_component_ref_by_pieces): Handle ARRAY_REF.
1164 (create_expression_by_pieces): Likewise.
1165 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1167 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1169 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1170 is operand of switch, not str[0].
1172 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1174 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1175 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1177 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1179 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1180 end of insn_extra_address_constraint declaration.
1182 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1184 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1185 (no-sum-in-toc): Same.
1186 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1188 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1189 NO_FP_IN_TOC for -fPIC instead of mask.
1191 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1192 (BOOT_LDFLAGS): Delete.
1194 * config/rs6000/t-aix52: Same.
1196 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1197 (stmsi[345678]_power): New.
1199 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1201 * config/ia64/ia64.opt: Add empty line to end of file.
1203 2006-03-17 Richard Guenther <rguenther@suse.de>
1206 * builtins.c (get_pointer_alignment): For component style references
1207 adjust alignment to the component type alignment. Make sure
1208 to adjust alignment for component access of constants.
1210 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1212 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1215 2006-03-17 Paul Brook <paul@codesourcery.com>
1217 * doc/install.texi: Docuemnt --with-mode.
1218 * config.gcc: Add --with-mode for arm*-*-*.
1219 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1221 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1223 * sh.c (max_labelno_before_reorg): New variable.
1224 (sh_reorg): Initialize it.
1225 (find_barrier): Check max_labelno_before_reorg before using
1226 label_to_alignment. Take length of explicit alignment insns
1227 into account. When seeing a UNSPECV_CONST_END, return it.
1229 * sh.c (fixup_mova): Set mode of affected label to QImode.
1230 (untangle_mova): New function.
1231 (find_barrier): Use it. Check mode of label before decrementing
1233 (sh_reorg): Likewise.
1234 Set mode of all insns back to VOIDmode.
1236 * sh.c (MOVA_LABELREF): New macro.
1237 (mova_p, fixup_mova, sh_reorg): Use it.
1238 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1239 ADDR_DIFF_VEC matches mova.
1241 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1243 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1244 with ATTRIBUTE_UNUSED.
1246 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1248 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1249 pointer, instead of assuming it is possible to derive the
1250 correct args size from a call insn.
1252 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1254 * rtl.h (CONST_INT_P): Define.
1255 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1256 instead of GET_CODE(x) == CONST_INT.
1257 (vax_rtx_costs): Likewise.
1258 (vax_output_int_move): Likewise.
1259 (vax_output_int_add): Likewise.
1260 (legitimate_constant_address_p): Likewise.
1261 (index_term_p): Likewise.
1262 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1263 * config/vax/vax.md (and<mode>3): Likewise.
1264 (ashrsi3): Likewise.
1266 (movstricthi): Likewise.
1267 (movstrictqi): Likewise.
1268 (rotrsi3): Likewise.
1269 (five unnamed insns): Likewise.
1271 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1273 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1274 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1275 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1276 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1277 Pass to ASM_OUTPUT_DWARF_OFFSET.
1278 * dwarf2out.c (debug_frame_section): New.
1279 (output_call_frame_info): Use debug_frame_section. Pass it to
1280 dw2_asm_output_offset.
1281 (output_die): Pass appropriate section to dw2_asm_output_offset.
1282 (output_compilation_unit_header): Likewise.
1283 (output_pubnames): Likewise.
1284 (output_aranges): Likewise.
1285 (enum dw_val_class): Break dw_val_class_lbl_offset into
1286 dw_val_class_lineptr and dw_val_class_macptr.
1287 (add_AT_lbl_offset): Delete.
1288 (add_AT_lineptr): New.
1289 (add_AT_macptr): New.
1290 (AT_lbl): Expect a lineptr or macptr.
1291 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1292 (attr_checksum): Likewise.
1293 (same_dw_val_p): Likewise.
1294 (size_of_die): Likewise.
1295 (value_format): Likewise.
1296 (output_die): Likewise.
1297 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1299 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1300 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1301 * config/darwin-protos.h (darwin_file_start): New.
1302 (darwin_asm_output_dwarf_offset): New.
1303 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1304 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1306 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1307 if not EH section; simplify.
1308 (darwin_file_start): New.
1309 (darwin_asm_output_dwarf_offset): New.
1310 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1312 (DEBUG_INFO_SECTION): Likewise.
1313 (DEBUG_ABBREV_SECTION): Likewise.
1314 (DEBUG_ARANGES_SECTION): Likewise.
1315 (DEBUG_MACINFO_SECTION): Likewise.
1316 (DEBUG_LINE_SECTION): Likewise.
1317 (DEBUG_LOC_SECTION): Likewise.
1318 (DEBUG_PUBNAMES_SECTION): Likewise.
1319 (DEBUG_STR_SECTION): Likewise.
1320 (DEBUG_RANGES_SECTION): Likewise.
1321 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1322 (ASM_OUTPUT_DWARF_OFFSET): New.
1324 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1326 * config.gcc (tm_defines): Always add to previous value rather
1329 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1331 * config/mips/predicates.md (splittable_const_int_operand): New,
1332 split from move_operand.
1333 (splittable_symbolic_operand): New.
1334 (move_operand): Add commentary. Use splittable_const_int_operand.
1335 Inline mips_atomic_symbolic_constant_p.
1336 * config/mips/mips.md: Add combine splitters for handling moves
1337 of splittable_const_int_operands and splittable_symbolic_operands.
1338 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1339 (mips_split_symbol): Declare.
1340 (mips_move_integer): Declare.
1341 * config/mips/mips.c (mips_split_p): Make global.
1342 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1343 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1344 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1345 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1346 (mips_offset_within_object_p): Handle block symbols.
1347 (mips_atomic_symbolic_constant_p): Delete.
1348 (mips_cannot_force_const_mem): Return false for constants that
1349 mips_legitimize_move can handle.
1350 (mips_use_blocks_for_constant_p): New function.
1351 (mips_split_symbol): Make global.
1352 (mips_move_integer): Likewise. Add a temporary register argument.
1353 (mips_legitimize_const_move): Use splittable_const_int_operand and
1354 splittable_symbolic_operand.
1355 (mips_use_anchors_for_symbol_p): New function.
1356 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1357 (mips_split_p): Declare.
1359 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1361 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1362 (mips*-*-linux*): Likewise.
1364 2006-03-16 Roger Sayle <roger@eyesopen.com>
1365 Daniel Speyer <dspeyer@wam.umd.edu>
1368 * tree-dump.c (dump_real): New function.
1369 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1370 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1371 (tree-dump.o): Add $(REAL_H) to the dependencies.
1373 2006-03-16 Roger Sayle <roger@eyesopen.com>
1376 * real.c (real_from_string): If the mantissa is zero, don't bother
1377 parsing the exponent as the result should always be zero.
1379 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1381 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1383 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1385 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1386 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1387 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1388 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1389 ia64_sched_finish_global): New static functions to implement
1390 hooks from gcc_target.sched.
1391 (spec_check_no, max_uid, pending_data_specs): New static variables.
1392 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1393 ia64_spec_check_src_p): New static functions.
1394 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1395 (TARGET_SCHED_ADJUST_COST): Removed.
1396 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1397 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1398 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1399 TARGET_SCHED_GEN_CHECK,
1400 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1401 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1402 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1403 Fixed to handle speculation checks.
1404 (rtx_needs_barrier): Fixed to handle speculative loads and
1406 (ia64_variable_issue): Added code to count speculative loads and their
1408 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1410 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1412 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1414 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1415 (ia64_reorg): Reset stops_p to NULL after it is freed.
1416 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1417 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1418 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1420 (data_speculative, control_speculative, check_load): New attributes.
1421 (mov<mode>_advanced, mov<mode>_speculative,
1422 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1423 zero_extend<mode>di2_speculative,
1424 zero_extend<mode>di2_speculative_advanced): New patterns for
1425 data and control speculative loads.
1426 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1428 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1429 New pattern for data and control speculation checks.
1430 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1431 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1432 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1433 Auxiliary definitions for the patterns.
1434 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1435 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1437 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1439 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1440 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1441 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1442 New resource constraints.
1443 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1445 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1446 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1447 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1448 msched-in-control-spec, msched-ldc, msched-control-ldc,
1449 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1450 msched-prefer-non-control-spec-insns,
1451 msched-count-spec-in-critical-path): New flags to tune speculative
1453 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1454 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1455 msched-in-control-spec, msched-ldc, msched-control-ldc,
1456 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1457 msched-prefer-non-control-spec-insns,
1458 msched-count-spec-in-critical-path): Document new flags.
1460 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1462 * target.h (struct spec_info_def): New opaque declaration.
1463 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1464 speculate_insn, needs_block_p, gen_check,
1465 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1466 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1467 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1468 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1469 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1470 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1472 (TARGET_SCHED): Use new macros.
1473 * rtl.h (copy_DEPS_LIST_list): New prototype.
1474 * sched-int.h (struct sched_info): Change signature of new_ready field,
1475 adjust all initializations. New fields: add_remove_insn,
1476 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1477 region_head_or_leaf_p.
1478 (struct spec_info_def): New structure declaration.
1479 (spec_info_t): New typedef.
1480 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1481 recovery_block, orig_pat.
1482 (glat_start, glat_end): New variables declaraions.
1483 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1485 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1486 DETACH_LIFE_INFO, USE_GLAT.
1487 (enum SPEC_SCHED_FLAGS): New enumeration.
1488 (NOTE_NOTE_BB_P): New macro.
1489 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1490 attach_life_info, debug_spec_status, check_reg_live): New functions.
1491 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1492 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1494 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1495 * ddg.c (get_block_head_tail): Adjust all uses.
1496 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1497 (sms_sched_info): Initialize new fields.
1498 (contributes_to_priority): Removed.
1499 * haifa-sched.c (params.h): New include.
1500 (get_block_head_tail): Adjust all uses.
1501 (ISSUE_POINTS): New macro.
1502 (glat_start, glat_end): New global variables.
1503 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1504 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1505 old_last_basic_block, before_recovery, current_sched_info_var,
1506 rgn_n_insns, luid): New static variables.
1507 (insn_cost1): New function. Move logic from insn_cost to here.
1508 (find_insn_reg_weight1): New function. Move logic from
1509 find_insn_reg_weight to here.
1510 (reemit_notes, move_insn, max_issue): Change signature.
1511 (move_insn1): Removed.
1512 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1513 extend_bb): New static functions to support extension of scheduler's
1515 (generate_recovery_code, process_insn_depend_be_in_spec,
1516 begin_speculative_block, add_to_speculative_block,
1517 init_before_recovery, create_recovery_block, create_check_block_twin,
1518 fix_recovery_deps): New static functions to support
1519 generation of recovery code.
1520 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1521 restore_bb_notes, move_block_after_check, move_succs): New static
1522 functions to support ebb scheduling.
1523 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1524 functions to support handling of register live information.
1525 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1526 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1527 add_jump_dependencies): New static functions.
1528 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1529 consistancy checking.
1530 (debug_spec_status): New function to call from debugger.
1531 (priority): Added code to handle speculation checks.
1532 (rank_for_schedule): Added code to distinguish speculative instructions.
1533 (schedule_insn): Added code to handle speculation checks.
1534 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1535 Fixed to handle ebbs.
1536 (move_insn): Added code to handle ebb scheduling.
1537 (max_issue): Added code to use ISSUE_POINTS of instructions.
1538 (choose_ready): Added code to choose between speculative and
1539 non-speculative instructions.
1540 (schedule_block): Added code to handle ebb scheduling and scheduling of
1541 speculative instructions.
1542 (sched_init): Initialize new variables.
1543 (sched_finish): Free new variables. Print statistics.
1544 (try_ready): Added code to handle speculative instructions.
1545 * lists.c (copy_DEPS_LIST_list): New function.
1546 * sched-deps.c (extend_dependency_caches): New function. Move logic
1547 from create_dependency_caches to here.
1548 (get_dep_weak, ds_merge): Make global.
1549 * genattr.c (main): Code to output prototype for
1550 dfa_clear_single_insn_cache.
1551 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1552 (output_dfa_clean_insn_cache_func): Code to output
1553 dfa_clear_single_insn_cache function.
1554 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1556 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1558 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1559 New static variables.
1560 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1561 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1563 (ebb_sched_info): Initialize new fields.
1564 (get_block_head_tail): Adjust all uses.
1565 (compute_jump_reg_dependencies): Fixed to use glat_start.
1566 (schedule_ebb): Code to remove unreachable last block.
1567 (schedule_ebbs): Added code to update register live information.
1568 * sched-rgn.c (region_sched_info): Initialize new fields.
1569 (get_block_head_tail): Adjust all uses.
1570 (last_was_jump): Removed. Adjust users.
1571 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1572 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1573 Implement new hooks.
1574 (check_dead_notes1): New static function.
1575 (struct region): New fields: dont_calc_deps, has_real_ebb.
1576 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1577 (BB_TO_BLOCK): Fixed to handle EBBs.
1578 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1579 (ebb_head): New static variable.
1580 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1581 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1583 (compute_dom_prob_ps): New assertion.
1584 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1585 global_live_at_start.
1586 (init_ready_list): New assertions.
1587 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1588 (new_ready): Add support for BEGIN_CONTROL speculation.
1589 (schedule_insns): Fixed code that updates register live information
1591 (schedule_region): Fixed to handle EBBs.
1592 (init_regions): Use extend_regions and check_dead_notes1.
1593 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1594 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1595 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1596 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1597 TARGET_SCHED_GEN_CHECK,
1598 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1599 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1600 * doc/invoke.texi (max-sched-insn-conflict-delay,
1601 sched-spec-prob-cutoff): Document.
1603 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1605 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1606 inter_tick, queue_index.
1607 (struct sched_info): Change signature of init_ready_list field.
1608 Adjust all initializations.
1609 (RESOLVED_DEPS): New access macro.
1610 (ready_add): Remove prototype.
1611 (try_ready): Add prototype.
1612 * sched-rgn.c (init_ready_list): Use try_ready.
1613 (schedule_region): Initialize
1614 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1615 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1616 (init_ready_list): Use try_ready.
1617 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1618 * lists.c (remove_list_elem): Remove `static'.
1619 (remove_free_INSN_LIST_elem): New function.
1620 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1621 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1622 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1624 (readyp): New variable.
1625 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1626 change_queue_index, resolve_dep): New static functions.
1627 (try_ready): New function. Adjust callers in sched-rgn.c and
1628 sched-ebb.c to use it instead of ready_add.
1629 (clock_var): Move at the begining of file.
1630 (rank_for_schedule): Fix typo.
1631 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1632 (ready_lastpos): Enforce assertion.
1633 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1635 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1636 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1637 (queue_to_ready): Use free_INSN_LIST_list.
1638 (early_queue_to_ready): Fix typo.
1639 (schedule_block): Init readyp. Move init_ready_list call after the
1640 initialization of clock_var. Fix error in rejecting insn by
1641 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1642 that previously corrected INSN_TICKs. Add code for handling
1644 (set_priorities): Fix typo.
1645 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1646 Clarify comment and code that keeps current_sched_info->next_tail
1649 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1651 * sched-rgn.c (extend_rgns): New static function.
1652 (find_rgns): Use it.
1653 (gather_region_statistics, print_region_statistics): New static
1655 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1656 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1659 Andrey Belevantsev <abel@ispras.ru>
1661 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1662 * lists.c (unused_deps_list): New variable.
1663 (free_list): Add assertions to verify the proper distinguishing
1664 between INSN_LISTs and DEPS_LISTs.
1665 (find_list_elem, remove_list_elem, remove_list_node): New static
1667 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1668 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1669 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1670 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1672 (free_INSN_LIST_node): Likewise.
1673 * modulo-sched.c (current_sched_info): Initialize flags field.
1674 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1675 * rtl.def (DEPS_LIST): Define.
1676 * rtl.h: Declare new functions from lists.c.
1677 * sched-deps.c (spec_dependency_cache): New static variable.
1678 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1679 (add_dependence): Change return type to void. Move the logic to ...
1680 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1681 (delete_all_dependences): Add comment about forward_dependency_cache.
1682 Handle spec_dependency_cache. Handle DEPS_LISTs.
1683 (fixup_sched_groups): Clarify the change of priority of output
1684 and anti dependencies.
1685 (sched_analyze_2): Adjust add_dependence calls to create data
1686 speculative dependence.
1687 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1688 Adjust all callers. Handle DEPS_LISTS.
1689 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1690 presence of speculation.
1691 (init_dependency_caches, free_dependency_caches):
1692 Handle spec_dependency_cache.
1693 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1694 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1695 New static functions.
1696 (add_or_update_back_dep, add_or_update_back_forw_dep,
1697 add_back_forw_dep, delete_back_forw_dep): New functions.
1698 * sched-int.h (ds_t, dw_t): New typedefs.
1699 (struct sched_info): Add new field flags.
1700 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1701 Prototype new sched-deps.c functions.
1702 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1703 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1704 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1705 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1706 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1707 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1709 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1711 * sched-rgn.c (current_sched_info): Initialize flags field.
1712 (schedule_insns): Initialize current_sched_info before the sched_init
1714 * sched-ebb.c (current_sched_info): Initialize flags field.
1715 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1716 Call add_or_update_back_dep instead of add_dependence.
1717 Create control speculative dependencies.
1718 (schedule_insns): Initialize current_sched_info before the sched_init
1721 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1723 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1725 (sh_fallback_frame_state): Likewise.
1727 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1729 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1730 Do switch on default_use_cxa_atexit.
1731 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1732 * config/darwin-crt3.o: New.
1733 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1734 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1735 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1737 * config/rs6000/t-darwin: Move crt2.o building to here.
1738 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1739 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1742 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1744 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1745 from '! xxx' to '!xxx' for coding-style conformance.
1746 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1747 (EXTRA_CONSTRAINT): Likewise.
1748 * config/vax/vax.md (four unnamed insns): Likewise.
1750 2006-03-15 Paul Brook <paul@codesourcery.com>
1752 * config/arm/arm.c (minipool_pad): New.
1753 (add_minipool_forward_ref): Include pool alignment padding in address
1755 (push_minipool_fix): Set minipool_pad.
1756 (minipool_pad): Ditto.
1758 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1760 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1761 instead of GET_CODE() == MEM and REG_P() instead of
1763 (print_operand_address): Likewise.
1764 (vax_address_cost): Likewise.
1765 (vax_rtx_costs): Likewise.
1766 (vax_notice_update_cc): Likewise.
1767 (vax_output_int_add): Likewise.
1768 (INDEX_REGISTER_P): Likewise.
1769 (BASE_REGISTER_P): Likewise.
1770 (nonindexed_address_p): Likewise.
1771 (vax_mode_dependent_address_p): Likewise.
1772 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1773 (PRINT_OPERAND): Likewise.
1774 * config/vax/vax.md (ashlsi3): Likewise.
1775 (ashlsi3): Likewise.
1776 (some more unnamed insns): Likewise.
1778 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1780 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1781 iterator-style macro.
1782 (mark_control_dependent_edges_necessary): Update the use of
1783 EXECUTE_IF_CONTROL_DEPENDENT.
1785 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1787 * config/sh/predicates.md (cache_address_operand): Special.
1788 (ua_address_operand): Likewise.
1790 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1792 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1794 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1796 2006-03-15 Andreas Schwab <schwab@suse.de>
1798 * gensupport.c (identify_predicable_attribute): Don't free p_false
1799 when it is still in use.
1801 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1803 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1804 the default setting here.
1806 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1808 * tree-pass.h (pass_cfg): Remove.
1809 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1810 * passes.c (pass_cfg): Don't run it.
1812 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1814 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1815 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1817 (stack_regs_mentioned): Update the uses of
1818 stack_regs_mentioned_data. Don't access the array beyond its
1820 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1821 Don't include gt-reg-stack.h.
1823 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1824 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1826 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1829 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1832 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1834 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1836 2006-03-14 Richard Guenther <rguenther@suse.de>
1838 PR tree-optimization/26672
1839 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1842 2006-03-14 Richard Guenther <rguenther@suse.de>
1844 PR tree-optimization/26667
1845 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1846 node for the callees. Always allow inlining if it will shrink
1849 2006-03-14 Richard Guenther <rguenther@suse.de>
1852 * builtins.c (get_pointer_alignment): Prefer alignment
1853 information from decls over that from types.
1855 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1858 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1860 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1862 * config/rs6000/rs6000.opt (mdlmzb): New option.
1863 (msched-prolog, msched-epilog): Use Var not Mask.
1864 * doc/invoke.texi (-mdlmzb): Document.
1865 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1867 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1868 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1870 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1872 PR rtl-optimization/25739
1873 * bt-load.c (augment_live_range): Free tos pointer.
1875 * gensupport.c (identify_predicable_attribute): Free
1877 * gcov.c (create_file_names): Free name pointer.
1879 2006-03-13 Roger Sayle <roger@eyesopen.com>
1882 * stmt.c (emit_case_nodes): Handle the case where the index is a
1883 CONST_INT, where the comparison mode is specified by the index type.
1885 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1887 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1890 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1892 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1893 (*branch_fp_inverted): Likewise.
1895 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1898 * omp-low.c (expand_omp_for_generic): Mark istart0
1899 and iend0 as addressable.
1901 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1903 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1905 2006-03-13 Jeff Law <law@redhat.com>
1907 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1908 virtual operands are interesting.
1909 (vrp_visit_stmt): Corresponding changes.
1911 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1913 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1915 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1916 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1917 * config/bfin/crti.S: Use it instead of __PIC__.
1918 * config/bfin/crtn.S: Likewise.
1920 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1921 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1923 Lose 'G' modifier for call operand.
1924 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1925 recognize 'G' modifier.
1927 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1930 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1931 * stmt.c (expand_case): Likewise.
1933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1935 PR rtl-optimization/26254
1936 * loop-invariant.c (seq_insns_valid_p): New function.
1937 (move_invariant_reg): Only emit new code if it is valid.
1939 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1941 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1943 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1944 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1945 (commit_one_edge_insertion): Do not look for loop notes.
1947 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1949 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1950 flag_test_coverage out of loop.
1952 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1954 * final.c (shorten_branches): Remove outdated comment, and turn
1955 the if branch that guards it to continue.
1957 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1959 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1960 * cfgloop.h (struct loop): Remove unused fields.
1962 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1964 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1965 (-dL, -fdump-rtl-loop2): Update the dump file names
1967 * doc/invoke.texi: Update dump file names.
1969 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1971 * predict.c (estimate_probability): Remove.
1972 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1973 * basic-block.h (estimate_probability): Remove prototype.
1974 * passes.c (finish_optimization_passes): Dump branch prediction or
1975 profiling heuristics to the .profile tree dump.
1976 (init_optimization_passes): Unqueue pass_branch_prob.
1978 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1980 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1982 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1983 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1985 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1987 * function.h (frame_offset_overflow): Declare.
1988 * function.c (frame_offset_overflow): New function.
1989 (assign_stack_local_1): Call it to detect that the offset overflows.
1990 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1992 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1994 * config/sh/sh.c: Include alloc-pool.h.
1995 (label_ref_list_pool): New alloc pool.
1996 (label_ref_list_t): New type for lists of labels.
1997 (struct pool_node): Make wend a label_ref_list_t.
1998 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2000 (dump_table): Likewise.
2001 (sh_reorg): Set up the alloc pool before using add_constant and
2002 dump_table, and destroy it when finishing.
2004 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2006 * config/mips/mips.c: Remove redundant comment.
2008 2006-03-10 Jason Merrill <jason@redhat.com>
2011 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2012 the target was declared 'register'.
2014 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2016 * genpreds.c (write_insn_constraint_len): Change definition of
2017 insn_constraint_len to return size_t to match the declaration.
2019 2006-03-10 DJ Delorie <dj@redhat.com>
2021 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2023 (m32c_expand_insv): Fix test for an AND mask.
2025 2006-03-10 Richard Guenther <rguenther@suse.de>
2028 * builtins.c (get_pointer_alignment): Handle component
2029 references for field alignment.
2031 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2033 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2034 when building with libgloss.
2035 (sh*elf): Implement --without-fp option.
2036 (sh64-superh-linux*): Don't multilib.
2038 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2040 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2042 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2044 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2045 Set it when one of the replacement functions returned true.
2046 Return TODO_cleanup_cfg if cfgchanged is true.
2047 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2049 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2051 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2052 instead of gen_lowpart.
2054 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2056 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2058 (mips_output_order_conditional_branch): Declare.
2059 * config/mips/mips.h (MIPS_BRANCH): New macro.
2060 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2061 for the comparison. Use gen_condjump.
2062 (mips_output_conditional_branch): Rework interface to take the
2063 asm templates for a direct branch and the inverse of a direct branch.
2064 (mips_output_order_conditional_branch): New function.
2065 (mips_builtin_branch_and_move): New function.
2066 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2067 branch condition. Use gen_single_cc as the condition for
2068 __builtin_mips_upper_* or __builtin_mips_lower_*.
2069 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2070 Use VOIDmode for the branch condition.
2071 * config/mips/predicates.md (order_operator): New predicate.
2072 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2073 (branch_fp): Rename to...
2074 (*branch_fp): ...this. Remove mode from comparison operator.
2075 Use new mips_output_conditional_branch interface.
2076 (branch_fp_inverted): Rename to...
2077 (*branch_fp_inverted): ...this and update as for *branch_fp.
2078 (*branch_zero<mode>): Rename to...
2079 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2080 Use mips_output_order_conditional_branch. Only accept ordered
2082 (*branch_zero<mode>_inverted): Rename to...
2083 (*branch_order<mode>_inverted): ...this and update as for
2084 *branch_order<mode>.
2085 (*branch_equality<mode>): Accept zero as the second operand to
2086 the equality operator. Use the new mips_output_conditional_branch
2088 (*branch_equality<mode>_inverted): Likewise.
2089 (condjump): New expander.
2090 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2092 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2093 (bc1any2t, bc1any2f): Likewise.
2094 (single_cc): New expander.
2095 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2097 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2099 * doc/md.texi: Update documentation of MIPS constraints.
2100 * config/mips/constraints.md: New file.
2101 * config/mips/mips.md: Include it.
2102 * config/mips/mips.c (mips_char_to_class): Delete.
2103 (override_options): Don't initialize mips_char_to_class.
2104 * config/mips/mips.h (mips_char_to_class): Delete.
2105 (REG_CLASS_FROM_LETTER): Delete.
2106 (CONST_OK_FOR_LETTER_P): Delete.
2107 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2108 (EXTRA_CONSTRAINT_Y): Delete.
2109 (EXTRA_CONSTRAINT_STR): Delete.
2110 (CONSTRAINT_LEN): Delete.
2111 (EXTRA_MEMORY_CONSTRAINT): Delete.
2113 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2115 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2116 original fn's eh regions.
2118 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2120 * fold-const.c (build_range_check): Make sure to use a valid type to
2121 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2124 (range_predecessor): New static function.
2125 (range_successor): Likewise.
2126 (merge_ranges): Use them to compute predecessors and successors of
2129 2006-03-09 Roger Sayle <roger@eyesopen.com>
2132 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2133 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2135 2006-03-08 DJ Delorie <dj@redhat.com>
2137 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2138 (addpsi3): Expand to include memory operands. Remove
2139 reload-specific splits.
2140 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2141 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2142 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2143 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2144 (shift1_qi, shift1_hi, insv): New.
2145 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2146 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2147 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2149 * config/m32c/m32c-protos.h: Update as needed.
2150 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2151 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2152 Fail for unrecognized R* constraints.
2153 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2154 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2155 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2157 (m32c_init_libfuncs): New.
2158 (m32c_legitimate_address_p): Add debug wrapper.
2159 (m32c_rtx_costs): New.
2160 (m32c_address_cost): New.
2161 (conversions): Add 'B' prefix.
2162 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2163 operands, or word regnames for QI operands. 'B' prints bit
2165 (m32c_expand_setmemhi): New.
2166 (m32c_expand_movmemhi): New.
2167 (m32c_expand_movstr): New.
2168 (m32c_expand_cmpstr): New.
2169 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2170 (m32c_expand_neg_mulpsi3): Handle non-ints.
2171 (m32c_cmp_flg_0): New.
2172 (m32c_expand_movcc): New.
2173 (m32c_expand_insv): New.
2174 (m32c_scc_pattern): New.
2175 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2176 a0/a1 out of SIregs.
2177 (STORE_FLAG_VALUE): New.
2178 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2181 * config/m32c/mov.md: Make constraints more liberal.
2182 (zero_extendqihi2): Optimize r0/r1 case.
2183 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2184 * config/m32c/predicates.md (m32c_any_operand): New.
2185 (m32c_nonimmediate_operand): New.
2186 (m32c_hl_operand): New.
2187 (m32c_r3_operand): New.
2190 (memsym_operand): New.
2191 (memimmed_operand): New.
2192 (a_qi_operand): New.
2193 (m32c_eqne_operator): New.
2194 (m32c_1bit8_operand): New.
2195 (m32c_1bit16_operand): New.
2196 (m32c_1mask8_operand): New.
2197 (m32c_1mask16_operand): New.
2198 * config/m32c/blkmov.md: New file.
2199 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2201 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2203 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2204 unsigned to fix signed/unsigned comparison issue in
2205 DWARF2_FRAME_REG_OUT.
2206 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2207 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2209 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2210 of ptr into the ENABLE_CHECKING section.
2212 2006-03-08 Jeff Law <law@redhat.com>
2214 * tree-vrp.c (infer_value_range): Only count pointer uses
2215 and dereferences if -fdelete-null-pointer-checks is enabled.
2217 * tree-vrp.c (find_assert_locations): Infer value ranges for
2218 single use pointers, but do not create ASSERT_EXPRs for them.
2219 When a non-null range is inferred for a pointer, backwards
2220 propagate that range to other equivalent pointers through the
2223 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2226 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2227 language hook targets.
2228 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2229 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2230 if language hook targets were missing.
2232 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2234 * tree-ssa-opfinalize.h: Removed.
2235 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2237 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2238 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2239 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2240 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2241 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2242 finalize_ssa_v_must_def_ops): New.
2244 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2246 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2249 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2251 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2253 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2254 addresses with offsets; reorganize.
2256 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2257 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2258 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2260 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2263 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2265 2006-03-08 Ben Elliston <bje@au.ibm.com>
2267 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2269 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2272 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2275 2006-03-07 Richard Guenther <rguenther@suse.de>
2277 PR tree-optimization/26587
2278 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2280 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2282 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2284 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2286 * hooks.c (hook_bool_mode_rtx_true): New function.
2287 * hooks.h (hook_bool_mode_rtx_true): Declare.
2288 * toplev.c (compile_file): Call output_shared_constant_pool.
2289 * varasm.c (shared_constant_pool): New variable.
2290 (assemble_start_function, assemble_end_function): Remove arguments
2291 from call to output_constant_pool.
2292 (create_constant_pool): New function, split out from...
2293 (init_varasm_status): ...here.
2294 (force_const_mem): Choose between the shared and per-function constant
2295 pools. Set current_function_uses_const_pool when reusing old entries
2296 as well as when creating new ones.
2297 (mark_constant): Ignore data argument.
2298 (mark_constants): Remove pool argument.
2299 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2300 to decide whether the function uses a constant pool.
2301 (output_constant_pool_contents): New function, split out from...
2302 (output_constant_pool): ...here.
2303 (output_shared_constant_pool): New function.
2304 (init_varasm_once): Initialize shared_constant_pool.
2305 * output.h (output_constant_pool): Delete.
2306 (output_shared_constant_pool): Declare.
2307 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2308 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2310 2006-03-06 Nick Clifton <nickc@redhat.com>
2312 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2313 flag_strength_reduce.
2315 2006-03-06 Ben Elliston <bje@au.ibm.com>
2317 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2318 x86_64-*-linux* configurations.
2320 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2321 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2323 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2325 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2327 * basic-block.h: Remove the extern for
2328 rediscover_loops_after_threading.
2330 * cfgloop.c (cancel_loop): Make it static.
2331 * cfgloop.h: Remove the prototype for cancel_loop.
2333 * flow.c (recompute_reg_usage): Make it static.
2334 * rtl.h: Remove the prototype for recompute_reg_usage.
2336 * function.c (use_return_register): Make it static.
2337 * function.h: Remove the prototype.
2339 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2341 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2343 * recog.h: Remove the prototype for
2344 validate_change_maybe_volatile.
2346 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2348 * rtlanal.c (replace_reg): Remove.
2349 * rtl.h: Remove the prototype for replace_reg.
2351 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2353 * regclass.c (reg_scan_update): Remove.
2354 (reg_scan_mark_refs): Remove the last argument.
2355 * rtl.h: Remove the prototype for reg_scan_update.
2357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2359 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2360 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2361 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2362 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2363 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2364 loop-invariant.c, omp-low.c, opts.c, passes.c,
2365 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2366 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2367 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2368 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2369 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2370 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2374 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2375 * dwarf2out.h: Remove the prototype for
2376 dwarf2out_add_library_unit_info.
2378 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2380 * tree.c (add_var_to_bind_expr): Remove.
2381 * tree.h: Remove the prototype for add_var_to_bind_expr.
2383 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2385 * regclass.c (n_non_fixed_regs): Remove.
2386 (init_reg_sets_1, globalize_reg): Remove all uses of
2388 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2390 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2392 * rtlanal.c (insns_safe_to_move_p): Remove.
2393 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2395 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2397 * expmed.c (expand_mult_add): Remove.
2398 * expr.h: Remove the prototype for expand_mult_add.
2400 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2402 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2403 and REG_SAVED_VAL_EXP constants.
2404 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2405 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2406 Handle regs stored by value.
2407 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2408 (execute_cfa_program): Handle DW_CFA_val_offset,
2409 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2410 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2411 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2412 (uw_install_context_1): Handle target regs stored by value.
2414 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2416 * tree-sra.c (tree_sra): Return todoflags;
2417 (generate_one_element): Set TODO_update_smt_usage if needed.
2418 (pass_sra): Remove TODO_update_smt_usage.
2419 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2421 (tree_ssa_forward_propagate_single_use_vars): Return
2422 TODO_update_smt_usage if we need to update SMT usage.
2423 (pass_forwprop): Remove TODO_update_smt_usage.
2425 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2427 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2428 (correct_use_link): Remove reference to get_stmt_operands.
2429 (update_stmt_operands): Likewise.
2430 (get_modify_expr_operands): New function factored out of
2431 parse_ssa_operands and get_expr_operands.
2432 Try to create V_MUST_DEFs for LHS by default.
2433 (get_expr_operands) <case MODIFY_EXPR>: Call
2434 get_modify_expr_operands.
2435 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2436 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2437 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2438 get_modify_expr_operands.
2440 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2442 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2443 * tree-flow.h: Remove the prototype for
2444 referenced_var_lookup_if_exists.
2446 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2448 PR rtl-optimization/26345
2450 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2452 2006-03-03 Roger Sayle <roger@eyesopen.com>
2454 PR tree-optimization/26524
2455 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2456 fold_convert to create a constant of the appropriate type.
2458 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2460 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2461 SYMBOL_REF_IN_BLOCK_P.
2462 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2463 of SYMBOL_FLAG_IN_BLOCK.
2464 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2465 instead of SYMBOL_REF_IN_BLOCK_P.
2466 * explow.c (use_anchored_address): Likewise.
2467 * rtl.c (rtx_size): Likewise.
2468 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2469 instead of SYMBOL_FLAG_IN_BLOCK.
2470 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2471 SYMBOL_REF_IN_BLOCK_P.
2472 (assemble_variable): Likewise.
2473 (output_constant_def_contents): Likewise.
2474 (output_constant_pool): Likewise.
2475 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2476 instead of SYMBOL_FLAG_IN_BLOCK.
2477 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2478 SYMBOL_REF_IN_BLOCK_P.
2479 (SYMBOL_REF_BLOCK): Likewise.
2480 (SYMBOL_REF_OFFSET): Likewise.
2481 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2482 SYMBOL_REF_IN_BLOCK_P.
2483 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2484 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2485 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2486 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2488 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2490 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2492 2006-03-02 Roger Sayle <roger@eyesopen.com>
2494 * simplify-rtx.c (simplify_unary_operation): When simplifying
2495 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2496 that we perform the right shift in the appropriate mode, and
2497 then extend or truncate the result to requested mode.
2499 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2501 * gengtype.c (main): Handle double_int type.
2502 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2503 * double-int.c: New file.
2504 * double-int.h: New file.
2505 * system.h: Include doubleint.h.
2506 * Makefile.in (SYSTEM_H): Include double-int.h.
2507 (double-int.o): Add.
2509 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2512 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2515 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2517 * tree-vrp.c (remove_range_assertions): Do not update statements
2520 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2522 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2524 * gcse.c (rest_of_handle_gcse): Ditto.
2525 * except.c (gate_handle_eh): Ditto.
2526 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2527 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2529 2006-03-02 Eric Christopher <echristo@apple.com>
2531 * config/i386/i386.c (machopic_output_stub): Add indirection to
2534 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2538 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2540 Sun Niagara specific optimizations.
2541 * config.gcc: Recognize niagara as target.
2542 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2543 (TARGET_CPU_niagara): Define.
2544 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2545 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2546 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2547 (ASM_CPU_SPEC): Likewise.
2548 (PROCESSOR_NIAGARA): New enum entry.
2549 (REGISTER_MOVE_COST): Handle Niagara.
2550 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2551 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2552 (sparc_override_options): Recognize "niagara", set appropriate
2553 default MASK_* values for it, and align functions to 32-bytes
2554 by default just like ULTRASPARC/ULTRASPARC3.
2555 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2556 (sparc64_initialize_trampoline): Likewise.
2557 (sparc_use_sched_lookahead): Use zero for niagara.
2558 (sparc_issue_rate): Use one for niagara.
2559 * config/sparc/niagara.md: New file.
2560 * config/sparc/sparc.md: Include it.
2561 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2562 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2563 when default cpu is niagara.
2564 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2565 (ASM_CPU_SPEC): Likewise.
2566 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2567 when default cpu is niagara.
2568 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2569 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2570 just like v9/ultrasparc/ultrasparc3.
2571 * doc/invoke.texi: Add documentation for "niagara" and improve
2572 existing documentation for ultrasparc variants.
2574 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2576 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2578 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2580 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2581 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2582 and say that only one is needed.
2583 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2584 * target.h (have_switchable_bss_sections): New hook.
2585 * explow.c (use_anchored_address): Check that the symbol is in a block.
2586 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2587 (bss_noswitch_section): New variables.
2588 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2589 (get_noswitch_section): New function.
2590 (get_block_for_section): Allow SECT to be null.
2591 (unlikely_text_section_p): Use SECTION_STYLE.
2592 (bss_initializer_p): New function.
2593 (get_variable_section): Move earlier in file. Take a new argument,
2594 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2595 Return one of the new *_sections in such cases.
2596 (get_block_for_decl): New function, extracting some logic from
2597 use_blocks_for_decl_p.
2598 (change_symbol_section): Remove in favor of...
2599 (change_symbol_block): ...this new function.
2600 (use_blocks_for_decl_p): Remove checks now performed by
2602 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2603 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2604 (emit_local, emit_bss, emit_common): ...these new functions.
2605 Return true if the alignment was honored.
2606 (emit_tls_common): New function.
2607 (asm_emit_uninitialised): Delete.
2608 (assemble_variable_noswitch): New function, split out from...
2609 (assemble_variable): ...here. Don't make decisions about common
2610 variables here. Globalize all public decls that go into non-common
2611 sections. Check whether SYMBOL_REF_BLOCK is null.
2612 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2613 (output_constant_pool): Likewise.
2614 (init_varasm_once): Initialize the new section variables.
2615 (have_global_bss_p): New function.
2616 (categorize_decl_for_section): Use bss_initializer_p.
2617 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2618 (place_block_symbol): Assert that the symbol must be in a block.
2619 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2620 (TARGET_INITIALIZER): Include it.
2621 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2622 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2623 (SECTION_MACH_DEP): Bump by two.
2624 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2625 (unnamed_section): Mention SECTION_UNNAMED in comment.
2626 (named_section): Likewise SECTION_NAMED.
2627 (noswitch_section_callback): New type.
2628 (noswitch_section): New structure.
2629 (section): Add a noswitch_section alternative.
2630 (SECTION_STYLE): New macro.
2631 (tls_comm_section, comm_section, lcomm_section): Declare.
2632 (bss_noswitch_section, have_global_bss_p): Declare.
2633 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2634 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2636 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2637 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2640 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2642 * gcc/tree-vrp.c (execute_vrp): Return value.
2643 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2644 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2645 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2646 (tree_lower_complex_O0): Ditto.
2647 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2648 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2649 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2650 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2651 (execute_tail_calls): Ditto.
2652 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2653 * gcc/tree.h (init_function_for_compilation): Ditto.
2654 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2655 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2656 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2657 * gcc/final.c (compute_alignments): Ditto.
2658 (rest_of_handle_final): Ditto.
2659 (rest_of_handle_shorten_branches): Ditto.
2660 (rest_of_clean_state): Ditto.
2661 * gcc/omp-low.c (execute_expand_omp): Ditto.
2662 (execute_lower_omp): Ditto.
2663 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2664 * gcc/ipa-reference.c (static_execute): Ditto.
2665 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2666 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2667 (rest_of_handle_machine_reorg): Ditto.
2668 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2669 * gcc/flow.c (recompute_reg_usage): Ditto.
2670 (rest_of_handle_remove_death_notes): Ditto.
2671 (rest_of_handle_life): Ditto.
2672 (rest_of_handle_flow2): Ditto.
2673 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2674 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2675 (do_ssa_store_ccp): Ditto.
2676 (execute_fold_all_builtins): Ditto.
2677 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2678 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2679 * gcc/ipa-pure-const.c (static_execute): Ditto.
2680 * gcc/cse.c (rest_of_handle_cse): Ditto.
2681 (rest_of_handle_cse2): Ditto.
2682 * gcc/web.c (rest_of_handle_web): Ditto.
2683 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2684 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2685 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2686 * gcc/tree-nrv.c (tree_nrv): Ditto.
2687 (execute_return_slot_opt): Ditto.
2688 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2689 (create_structure_vars): Ditto.
2690 * gcc/loop-init.c (rtl_loop_init): Ditto.
2691 (rtl_loop_done): Ditto.
2692 (rtl_move_loop_invariants): Ditto.
2693 (rtl_unswitch): Ditto.
2694 (rtl_unroll_and_peel_loops): Ditto.
2695 (rtl_doloop): Ditto.
2696 * gcc/gimple-low.c (lower_function_body): Ditto.
2697 (mark_used_blocks): Ditto.
2698 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2699 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2700 (cgraph_early_inlining): Ditto.
2701 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2702 * gcc/jump.c (cleanup_barriers): Ditto.
2703 (purge_line_number_notes): Ditto.
2704 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2705 (rest_of_handle_if_after_reload): Ditto.
2706 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2707 (tree_ssa_loop_im): Ditto.
2708 (tree_ssa_loop_unswitch): Ditto.
2709 (tree_vectorize): Ditto.
2710 (tree_linear_transform): Ditto.
2711 (tree_ssa_loop_ivcanon): Ditto.
2712 (tree_ssa_empty_loop): Ditto.
2713 (tree_ssa_loop_bounds): Ditto.
2714 (tree_complete_unroll): Ditto.
2715 (tree_ssa_loop_prefetch): Ditto.
2716 (tree_ssa_loop_ivopts): Ditto.
2717 (tree_ssa_loop_done): Ditto.
2718 * gcc/predict.c (tree_estimate_probability): Ditto.
2719 * gcc/recog.c (split_all_insns_noflow): Ditto.
2720 (rest_of_handle_peephole2): Ditto.
2721 (rest_of_handle_split_all_insns): Ditto.
2722 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2723 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2724 (rest_of_handle_stack_adjustments): Ditto.
2725 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2726 * gcc/function.c (instantiate_virtual_regs): Ditto.
2727 (init_function_for_compilation): Ditto.
2728 (rest_of_handle_check_leaf_regs): Ditto.
2729 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2730 (rest_of_handle_gcse): Ditto.
2731 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2732 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2733 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2734 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2735 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2736 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2737 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2738 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2739 * gcc/except.c (set_nothrow_function_flags): Ditto.
2740 (convert_to_eh_region_ranges): Ditto.
2741 (rest_of_handle_eh): Ditto.
2742 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2743 (remove_unnecessary_notes): Ditto.
2744 * gcc/except.h (set_nothrow_function_flags): Ditto.
2745 (convert_to_eh_region_ranges): Ditto.
2746 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2747 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2748 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2749 (execute_fre): Ditto.
2750 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2751 (rest_of_handle_jump2): Ditto.
2752 * gcc/tree-sra.c (tree_sra): Ditto.
2753 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2754 (execute_mudflap_function_decls): Ditto.
2755 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2756 (do_store_copy_prop): Ditto.
2757 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2758 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2759 * gcc/tree-ssa-forwprop.c
2760 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2761 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2762 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2763 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2764 (execute_late_warn_uninitialized): Ditto.
2765 * gcc/rtl.h (cleanup_barriers): Ditto.
2766 (split_all_insns_noflow): Ditto.
2767 (purge_line_number_notes): Ditto.
2768 (unshare_all_rtl): Ditto.
2769 (remove_unnecessary_notes): Ditto.
2770 (recompute_reg_usage): Ditto.
2771 (variable_tracking_main): Ditto.
2772 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2773 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2774 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2775 (execute_free_cfg_annotations): Ditto.
2776 (execute_fixup_cfg): Ditto.
2777 (execute_cleanup_cfg_pre_ipa): Ditto.
2778 (execute_cleanup_cfg_post_optimizing): Ditto.
2779 (execute_init_datastructures): Ditto.
2780 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2781 * gcc/combine.c (rest_of_handle_combine): Ditto.
2782 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2783 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2784 (rest_of_handle_reorder_blocks): Ditto.
2785 (rest_of_handle_partition_blocks): Ditto.
2786 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2787 * gcc/tree-profile.c (tree_profiling): Ditto.
2788 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2789 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2790 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2791 (rest_of_handle_sched2): Ditto.
2792 * gcc/basic-block.h (free_bb_insn): Ditto.
2793 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2794 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2795 (remove_useless_stmts): Ditto.
2796 (split_critical_edges): Ditto.
2797 (execute_warn_function_return): Ditto.
2798 (execute_warn_function_noreturn): Ditto.
2799 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2800 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2801 * gcc/passes.c (execute_one_pass): Run additional
2802 todos returned by execute function.
2803 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2806 2006-03-02 Richard Guenther <rguenther@suse.de>
2808 * tree-ssa-alias.c (find_used_portions): Consider taking
2809 the address as making the variable not write-only.
2811 2006-03-02 Nick Clifton <nickc@redhat.com>
2813 * config.gcc (default_use_cxa_atexit): Extend the description of
2814 this configure variable. Set its default value to "yes" for
2815 Linux, NetBSD and ELF targets on the assumption that they will
2816 use C libraries with the __cxa_atexit function.
2818 2006-03-02 Ben Elliston <bje@au.ibm.com>
2820 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2821 parameter as unused to suppress a build warning.
2823 2006-03-02 Ben Elliston <bje@au.ibm.com>
2825 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2828 2006-03-01 Roger Sayle <roger@eyesopen.com>
2831 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2832 declared name, the weak reference name, and the typeof name.
2833 (__gthrw): Avoid expanding the declared name suffix.
2834 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2836 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2838 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2840 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2841 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2842 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2843 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2844 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2845 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2846 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2847 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2848 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2849 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2850 (DW_END_default, DW_END_big, DW_END_little): New.
2851 (DW_END_lo_user, DW_END_hi_user): Define.
2852 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2853 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2854 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2857 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2859 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2861 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2863 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2865 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2867 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2868 to 'symbol_mem_tag'.
2870 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2873 2006-03-01 Roger Sayle <roger@eyesopen.com>
2875 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2877 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2880 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2881 MACHO_DYNAMIC_NO_PIC_P.
2882 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2884 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2887 * config/darwin-protos.h (darwin_asm_output_anchor):
2889 * config/darwin-sections.def (cstring_section):
2890 Add SECTION_MERGE to the flags.
2891 (literal4_section): Likewise.
2892 (literal8_section): Likewise.
2893 (objc_selector_refs_section): Likewise.
2894 (objc_cls_refs_section): Likewise.
2895 * config/darwin.c (darwin_asm_output_anchor): New
2897 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2899 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2901 Fix PR tree-optimization/26443
2902 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2903 to todo and PROP_tmt_usage to properties_destroyed.
2904 * tree-ssa-ccp.c (pass_ccp): Ditto.
2905 (pass_store_ccp): Ditto.
2906 * tree-ssa-dom.c (pass_dominator): Ditto.
2908 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2910 * tree-ssa-operands.c: Cleanup whitespace.
2911 (get_asm_expr_operands): Move before first invocation.
2912 (get_indirect_ref_operands): Likewise.
2913 (get_tmr_operands): Likewise.
2914 (get_call_expr_operands): Likewise.
2915 (append_def): Likewise.
2916 (append_use): Likewise.
2917 (append_v_may_def): Likewise.
2918 (append_v_must_def): Likewise.
2919 (add_call_clobber_ops): Likewise.
2920 (add_call_read_ops): Likewise.
2921 (add_stmt_operand): Likewise.
2922 (add_virtual_operand): Likewise.
2923 (build_ssa_operands): Likewise.
2925 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2930 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2931 with a call expr to ...
2932 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2934 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2936 * tree-vrp.c (extract_range_from_assert): Remove special
2937 handling for types with super-types.
2939 2006-03-01 Ben Elliston <bje@au.ibm.com>
2941 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2942 and powerpc64-*-linux* configurations.
2943 * config/t-dfprules: New file.
2945 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2946 Compile dfp-bit.c from the source directory using -DWIDTH and
2947 $DFP_CFLAGS to control the compilation of that file, rather than
2948 generating width-specific versions in the build directory.
2949 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2950 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2952 2006-02-28 Zack Weinberg <zackw@panix.com>
2954 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2957 2006-02-28 Eric Christopher <echristo@apple.com>
2959 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2960 Set up IN_LIBGCC definition of TARGET_64BIT.
2961 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2963 2006-02-28 Roger Sayle <roger@eyesopen.com>
2966 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2967 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2968 cases via the construction of "expr != 0".
2970 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2972 * alias.c (alias_invariant, alias_invariant_size): Remove.
2973 (record_base_value): Remove.
2974 (memrefs_conflict_p): Don't look at alias_invariant.
2975 (end_alias_analysis): Don't free it.
2976 * alias.h (record_base_value): Remove prototype.
2978 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2979 Adam Nemet <anemet@caviumnetworks.com>
2981 * rtl.h (truncated_to_mode): Declare it.
2982 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2983 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2984 (RTL_HOOKS_INITIALIZER): Include it.
2985 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2986 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2987 reg_truncated_to_mode.
2988 * rtlanal.c (truncated_to_mode): Define it.
2989 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2991 2006-02-28 Jeff Law <law@redhat.com>
2993 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2994 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2995 the range allowed by TYPE_PRECISION.
2997 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2999 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3001 PR tree-optimization/26419
3002 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3005 2006-02-27 Zack Weinberg <zackw@panix.com>
3007 * doc/md.texi: Fix typo in previous change.
3009 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3013 2006-02-27 Zack Weinberg <zackw@panix.com>
3015 * rtl.def (define_constraint, define_register_constraint)
3016 (define_memory_constraint, define_address_constraint): New MD forms.
3017 * gensupport.c (process_rtx): Put define_constraint etc on the
3019 * genpreds.c (process_define_predicate): Adjust comment. Validate
3020 the name, and call validate_exp to validate the expression.
3021 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3022 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3023 all callers changed.
3024 (validate_exp, needs_variable, struct constraint_data)
3025 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3026 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3027 (const_dbl_constraints, constraint_max_namelen)
3028 (have_register_constraints, have_memory_constraints)
3029 (have_address_constraints, have_address_constraints)
3030 (have_extra_constraints, have_const_int_constraints)
3031 (have_const_dbl_constraints, mangle, add_constraint)
3032 (process_define_constraint, process_define_register_constraint)
3033 (write_enum_constraint_num, write_lookup_constraint)
3034 (write_insn_constraint_len, write_regclass_for_constraint)
3035 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3036 (write_insn_extra_memory_constraint)
3037 (write_insn_extra_address_constraint)
3038 (write_satisfies_constraint_fns): New.
3039 (write_tm_preds_h): If we have new-style constraint definitions,
3040 prototype the functions generated from them, and define the
3041 old constraint interface (still used by generic code) in terms of
3043 (write_insn_preds_c): If we have new-style constraint definitions,
3044 generate all relevant functions from those definitions.
3045 (main): Handle define_constraint etc.
3046 * genoutput.c (struct constraint_data, indep_constraints)
3047 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3048 (mdep_constraint_len): New data structures and functions, defined
3049 #ifdef USE_MD_CONSTRAINTS.
3050 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3051 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3052 use new logic to validate operand constraints against constraint
3054 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3056 * defaults.h: If none of the old-style constraint macros are
3057 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3058 old-style macros; and poison REG_CLASS_FROM_LETTER,
3059 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3061 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3062 * doc/md.texi: Document new constraint-definition mechanism and the
3063 C interface it provides. Remove references to old mechanism
3064 elsewhere in the document.
3065 (Machine Constraints): Use pathnames relative to gcc directory,
3066 i.e. config/ARCH/FILE. Change i386 section to refer to
3067 config/i386/predicates.md; update that section to match docstrings.
3068 * doc/tm.texi: Move all documentation of the old constraint-
3069 definition macros to their own section, clearly mark as obsolete.
3071 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3072 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3074 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3075 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3076 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3078 (splits and peepholes): Use satisfies_constraint_*.
3079 * config/i386/i386.c (memory_address_length)
3080 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3082 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3084 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3085 scalar operation to be put back into the loop.
3087 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3090 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3091 (extract_cie_info): Handle S flag in augmentation string.
3092 (execute_cfa_program): If context->signal_frame, execute also
3093 fs->pc == context->ra instructions.
3094 (uw_frame_state_for): If context->signal_frame, don't subtract one
3095 from context->ra to find FDE.
3096 (uw_update_context_1): Set context->signal_frame to
3098 (_Unwind_GetIPInfo): New function.
3099 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3100 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3102 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3103 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3104 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3105 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3106 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3107 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3108 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3109 x86_64_fallback_frame_state): Set fs->signal_frame.
3110 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3111 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3112 (frob_update_context): Likewise. Workaround missing S flag in
3113 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3114 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3115 Remove the psw_addr + 1 hack.
3117 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3119 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3120 with aggregates here.
3121 (find_func_aliases): Remove code for &<aggregate> from here.
3123 2006-02-26 Roger Sayle <roger@eyesopen.com>
3125 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3126 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3127 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3130 2006-02-26 Roger Sayle <roger@eyesopen.com>
3133 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3135 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3137 * opts.c (decode_options): Do not handle flag_strength_reduce.
3138 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3139 and OPT_fstrength_reduce.
3140 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3141 flag_prefetch_loop_arrays for being nonzero.
3142 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3144 (fprefetch-loop-arrays-rtl): Removed.
3145 (flag_prefetch_loop_arrays): Do not specify the value.
3147 * doc/passes.texi: Update documentation of loop optimizer
3149 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3150 -frerun-loop-opt): Remove.
3152 2006-02-26 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/26421
3155 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3156 in function calls that are ADDR_EXPRs as using the whole structure.
3158 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3160 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3161 * tree-pass.h (pass_loop_optimize): Remove.
3162 * passes.c (pass_loop_optimize): Never run it.
3163 * toplev.c (backend_init): Don't call init_loop.
3164 * opts.c (flag_loop_optimize_set): Remove.
3165 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3166 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3167 the old RTL loop optimizer when profiling enabled.
3168 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3169 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3170 pre-headers for the sake of the old RTL loop optimizer.
3171 * Makefile.in: Remove all references to loop.o.
3173 * doc/invoke.texi: Remove all references to -floop-optimize
3174 and -frerun-loop-opt.
3176 2006-02-26 Zack Weinberg <zackw@panix.com>
3178 * doc/md.texi (Machine Constraints): Refer to all files with paths
3179 relative to gcc directory (i.e. config/CPU/file). Add missing
3180 @table @code ... @end table to M32C subsection.
3182 2006-02-26 Roger Sayle <roger@eyesopen.com>
3184 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3186 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3188 2006-02-26 Roger Sayle <roger@eyesopen.com>
3189 James A. Morrison <phython@gcc.gnu.org>
3192 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3193 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3194 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3195 signedness of the shift operation.
3197 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3199 PR tree-optimization/26359
3200 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3202 2006-02-25 Roger Sayle <roger@eyesopen.com>
3204 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3205 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3206 as X == 0, and some symmetry related transformations.
3207 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3209 2006-02-25 Roger Sayle <roger@eyesopen.com>
3212 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3213 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3214 symmetry related transformations. Fold (X^C1) == C2 as
3217 2006-02-25 Juergen Weigert <jw@suse.de>
3218 Richard Guenther <rguenther@suse.de>
3220 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3222 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3224 * combine.c (gen_lowpart_or_truncate): Call
3225 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3227 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3229 * doc/invoke.texi: Move -fopenmp description to "Options for
3231 Remove reference to -lgomp.
3233 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3235 * doc/install.texi: Require GNU tar version 1.14.
3237 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3239 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3240 * doc/invoke.texi (C++ Dialect Options): Document
3241 -fno-use-cxa-get-exception-ptr.
3242 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3243 * configure: Regenerate.
3244 * c.opt (fuse-cxa-get-exception-ptr): New.
3245 * c-opts.c (c_common_handle_option): Handle
3246 OPT_fuse_cxa_get_exception_ptr.
3247 * c-common.c (flag_use_cxa_atexit): Update documentation.
3248 (flag_use_cxa_get_exception_ptr): New.
3249 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3250 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3252 (C_COMMON_OVERRIDE_OPTIONS): New.
3254 2006-02-24 Roger Sayle <roger@eyesopen.com>
3257 * combine.c (try_combine): Explicitly check whether GET_CODE is
3258 a SET or a CLOBBER, instead on checking that it isn't a USE.
3260 2006-02-24 Roger Sayle <roger@eyesopen.com>
3262 * fold-const.c (fold_comparison): New subroutine of fold_binary
3263 containing transformations common to both the equality and
3264 ordering relational operators, factored out of fold_binary.
3265 (fold_binary): Separate out the equality operators (EQ_EXPR
3266 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3267 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3268 transformations common to both.
3269 (fold_div_compare): Fix latent bugs in the previously unreachable
3270 LT_EXPR and GE_EXPR cases.
3272 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3274 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3275 decl libname for clog to __clog on AIX.
3277 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3279 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3282 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3283 output traceback table for thunks. Localise rs6000_stack_info call.
3285 2006-02-23 Roger Sayle <roger@eyesopen.com>
3286 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3288 * gthr-posix.h (__gthrw): Fix typo in comment.
3290 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3292 * doc/cpp.texi (Character sets): Document that we do support
3293 input files to be in any character set.
3295 2006-02-23 Jeff Law <law@redhat.com>
3297 * tree.h (PHI_ARG_NONZERO): Remove.
3298 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3299 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3300 node to the new node.
3302 PR tree-optimization/26425
3303 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3304 min/max, then assume its varying.
3306 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3308 PR rtl-optimization/26316
3309 * rtlanal.c (enum may_trap_p_flags): New.
3310 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3311 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3312 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3313 (may_trap_after_code_motion_p): New function.
3314 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3315 (find_invariant_insn): Use may_trap_after_code_motion_p.
3316 * rtl.h (may_trap_after_code_motion_p): Declare.
3318 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3320 * emit-rtl.c (immed_double_const): Cleanup.
3322 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3324 Fix PR tree-optimization/26376
3325 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3328 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3331 * gimplify.c (omp_add_variable): Guard variable size decl test with
3332 DECL_SIZE (decl) check.
3334 2006-02-23 Richard Guenther <rguenther@suse.de>
3337 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3338 like aggregate types.
3340 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3342 * configure.ac: Add --with{,out}-long-double-128 configure option.
3343 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3344 * configure: Rebuilt.
3345 * config.in: Rebuilt.
3346 * doc/install.texi (Options specification): Document
3347 --with-long-double-128.
3349 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3350 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3351 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3352 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3354 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3356 * config/s390/s390.c (override_options): Handle
3357 TARGET_DEFAULT_LONG_DOUBLE_128.
3359 * config/alpha/alpha.c (override_options): Handle
3360 TARGET_DEFAULT_LONG_DOUBLE_128.
3362 * config/sparc/sparc.c (sparc_override_options): Handle
3363 TARGET_DEFAULT_LONG_DOUBLE_128.
3365 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3367 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3368 (real-install-headers-tar, real-install-headers-cpio)
3369 (real-install-headers-cp): New targets.
3371 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3373 * tree.h (variable_section): Delete.
3374 * varasm.c (variable_section): Delete.
3376 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3378 * install.texi: Add notes on install.texi2html.
3379 (Building in parallel): Do not use footnotes.
3381 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3384 * doc/install.texi (Configuration): Document --disable-libgomp.
3386 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3388 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3390 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3392 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3393 (vec_extractv2df_0_sse): New.
3395 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3397 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3398 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3399 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3400 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3401 to the result of the expression.
3402 (def_cfa_1): Adjust.
3403 (frame_pointer_cfa_offset): Rename to...
3404 (frame_pointer_fb_offset): ... this. Adjust all uses.
3405 (convert_cfa_to_loc_list): Rename to...
3406 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3407 Pass it on to build_cfa_loc.
3408 (compute_frame_pointer_to_cfa_displacement): Rename to...
3409 (compute_frame_pointer_to_fb_displacement): ... this. New
3410 offset parameter. Use it in computation.
3411 (gen_subprogram_die): Compute cfa_fb_offset with the new
3412 macro, and use it to compute the fb loc list and the
3415 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3417 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3418 replaced with register_operand.
3419 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3420 non-DREG is expensive.
3421 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3422 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3425 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3427 * doc/install.texi2html: Use set -e.
3429 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3431 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3432 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3433 * doc/invoke.texi (-fshared-data): Delete.
3434 * common.opt (fshared-data): Delete.
3435 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3436 (assemble_static_space): Remove #if 0 code.
3437 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3438 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3439 * config/cris/cris.h: Remove FIXME.
3441 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3443 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3446 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3449 * combine.c (simplify_shift_const_1): Disable nested shifts
3450 optimization for vector shifts.
3452 2006-02-20 Roger Sayle <roger@eyesopen.com>
3454 PR tree-optimization/26361
3455 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3456 of unsigned integer types.
3458 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3460 * tree-chrec.c (eq_evolutions_p): New.
3461 * tree-chrec.h (eq_evolutions_p): Declared.
3462 * tree-data-ref.c: Fix formatting.
3463 (datadep_stats, dependence_stats): New.
3465 (print_direction_vector): New.
3466 (dump_data_dependence_relation): Use print_direction_vector.
3467 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3468 (compute_subscript_distance): Static.
3469 (initialize_data_dependence_relation): Static. Get the number
3470 of loops surrounding the references from the callers, and initialize
3471 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3472 base_object_differ_p analyzers.
3473 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3474 compute_overlap_steps_for_affine_1_2,
3475 analyze_subscript_affine_affine): Count the classified dependences.
3476 Print a message when a test failed.
3477 (can_use_analyze_subscript_affine_affine): New.
3478 (analyze_siv_subscript): Compute the data dependences on symbolic
3479 scevs that verify can_use_analyze_subscript_affine_affine.
3480 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3481 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3482 Handle symbolic scevs.
3483 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3485 (subscript_dependence_tester): Moved...
3486 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3487 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3488 DDR_SIZE_VECT instead of getting it in parameter.
3489 (subscript_dependence_tester): ... here. Take as a parameter
3490 loop_nest_depth. Call build_classic_dist_vector and
3491 build_classic_dir_vector.
3492 (compute_affine_dependence): Update subscript_dependence_tester
3493 parameters. Update datadep_stats counters. Call
3494 compute_subscript_distance.
3495 (compute_self_dependence): Save the dist and dir vectors. Call
3496 compute_subscript_distance.
3497 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3498 (compute_all_dependences): Reorder parameters as they were before
3499 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3500 compute_subscript_distance. Update the use of
3501 compute_affine_dependence and initialize_data_dependence_relation.
3502 (find_data_references_in_loop): Handle COMPONENT_REF.
3503 (compute_data_dependences_for_loop): Initialize dependence_stats.
3504 Don't call build_classic_dist_vector and build_classic_dir_vector.
3505 Update the parameters of initialize_data_dependence_relation and
3506 compute_all_dependences. Print the statistics from datadep_stats.
3507 (analyze_all_data_dependences): Static. Not used until the pass for
3508 checking the data dependences is contributed.
3509 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3510 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3511 (initialize_data_dependence_relation, compute_affine_dependence,
3512 analyze_all_data_dependences, compute_subscript_distance): Removed.
3513 (print_direction_vector): New.
3514 * lambda.h (gcd): ... here.
3515 (lambda_vector_gcd): Moved here from gcd_vector.
3516 * lambda-code.c (gcd, gcd_vector): Removed.
3517 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3518 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3520 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3522 * ipa-type-escape.c: Tidy some comments and white space.
3523 * tree-ssa-operands.c: Likewise.
3525 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3528 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3529 (dump_decl_name): Do not walk the decl tree chains.
3530 * tree-pass.h (TDF_CHAIN): Remove.
3532 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3534 * Makefile.in (C): Remove
3536 (.PHONY): Remove C and PROTO
3538 2006-02-20 Roger Sayle <roger@eyesopen.com>
3541 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3542 deprecated CHAR_TYPE tree code.
3544 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3546 * configure.ac (target_list): Add install-info, dvi, html.
3547 * configure: Regenerate.
3549 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3550 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3551 treelang/Make-lang.in: Do not use double-colon rules.
3553 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3555 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3556 (TMT_USED_ALONE): New macro.
3557 * tree-pass.h (PROP_tmt_usage): New property.
3558 (TODO_update_tmt_usage): New todo.
3559 * tree-ssa-alias.c (updating_used_alone): New variable.
3560 (recalculate_used_alone): New function.
3561 (compute_may_aliases): Set updating_used_alone, call
3562 recalculate_used_alone.
3563 * tree-sra.c (pass_sra): Note that this pass destroys
3564 PROP_tmt_usage, and add TODO_update_tmt_usage.
3565 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3566 * tree-flow.h (updating_used_alone): Prototype.
3567 (recalculate_used_alone): Ditto.
3568 * passes.c (execute_todo): Add code to set updating_used_alone,
3569 and call recalculate.
3570 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3571 for clobber if used alone, and add assert to verify used_alone
3574 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3576 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3577 for non tls symbols added.
3578 (legitimize_address): Do nothing for PLUS expressions if one of the
3579 addends is a tls symbol reference.
3581 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3585 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3587 * Makefile.in (BOOTSTRAPPING): New.
3588 (quickstrap): New definition if BOOTSTRAPPING=yes.
3590 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3591 * configure.ac: Substitute all_selected_languages with the languages
3592 that were configured. For all the other variables except
3593 lang_specs_files, include all the languages in the tree.
3594 * configure: Regenerate.
3596 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3597 if there is one. Run the commands to run fixincludes in the same
3600 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3601 * doc/install.texi: Document exact conventions for searching target tools.
3602 Document --with-build-time-tools. Document toplevel bootstrap. Document
3603 something more about building an Ada cross-compiler. Don't list GNU Make
3604 requirements which affect all platforms.
3606 2006-02-19 Roger Sayle <roger@eyesopen.com>
3609 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3610 only equivalent if the have both the same mode and precision.
3612 2006-02-20 Ben Elliston <bje@au.ibm.com>
3614 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3616 2006-02-19 Roger Sayle <roger@eyesopen.com>
3617 Steven Bosscher <stevenb.gcc@gmail.com>
3619 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3620 constant pool references to identify stack mode constants.
3621 * rtlanal.c (constant_pool_constant_p): New predicate to check
3622 whether operand is a floating point constant in the pool.
3623 * rtl.h (constant_pool_constant_p): Prototype here.
3624 * loop.c (scan_loop): Avoid hoisting constants from the constant
3625 pool on STACK_REGS targets.
3626 (load_mems): Likewise.
3627 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3628 loads into x87 registers expensive in terms of register pressure.
3630 2006-02-19 Roger Sayle <roger@eyesopen.com>
3632 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3633 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3635 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3637 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3638 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3640 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3642 * doc/invoke.texi: Document -fipa-pta.
3643 * common.opt: Add ipa-pta option.
3644 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3645 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3646 (do_ds_constraint): Ditto.
3647 (get_constraint_for): Only add to referenced_vars if
3648 referenced_vars exists.
3649 (insert_into_field_list): Rewrite to do this unsorted.
3650 (insert_into_field_list_sorted): Rename old insert_into_field_list
3652 (create_function_info_for): Use insert_into_field_list_sorted.
3653 (create_variable_info_for): Rewrite so it uses unsorted version,
3654 since the field list is sorted.
3655 (intra_create_variable_infos): Only add to referenced_vars if
3656 referenced_vars exists.
3657 (ipa_pta_execute): Init heapvars, and delete when done.
3658 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3660 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3662 * doc/install.texi: Add missing `@samp'.
3664 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3666 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3669 2006-02-18 Mark Wielaard <mark@klomp.org>
3671 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3672 who added new 4.1 features, bug fixes and integration support.
3674 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3677 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3680 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3682 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3683 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3684 (copy_insn_1): Likewise. Don't copy each field individually.
3686 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3688 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3689 * rtl.c (rtx_size): Rename variable to...
3690 (rtx_code_size): ...this.
3691 (rtx_size): New function.
3692 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3693 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3695 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3696 * rtl.h (rtx_code_size): New variable.
3697 (rtx_size): Change from a variable to a function.
3698 (RTX_SIZE): Rename to...
3699 (RTX_CODE_SIZE): ...this.
3702 PR tree-optimization/17106
3703 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3704 (Anchored Addresses): New section.
3705 * doc/invoke.texi (-fsection-anchors): Document.
3706 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3707 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3708 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3709 * hooks.c (hook_bool_mode_rtx_false): New function.
3710 * hooks.h (hook_bool_mode_rtx_false): Declare.
3711 * gengtype.c (create_optional_field): New function.
3712 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3713 SYMBOL_REF_IN_BLOCK_P is true.
3714 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3715 (min_anchor_offset, max_anchor_offset): Likewise.
3716 (use_anchors_for_symbol_p): New hook.
3717 * toplev.c (compile_file): Call output_object_blocks.
3718 (target_supports_section_anchors_p): New function.
3719 (process_options): Check that -fsection-anchors is only used on
3720 targets that support it and when -funit-at-a-time is in effect.
3721 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3722 if the decl doesn't have one.
3723 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3724 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3725 of force_const_mem through use_anchored_address.
3726 (expand_expr_constant): New function.
3727 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3728 calling expand_expr for INDIRECT_REF.
3729 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3730 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3731 * expr.h (use_anchored_address): Declare.
3732 * loop-unroll.c: Don't declare rtx vectors here.
3733 * explow.c: Include output.h.
3734 (validize_mem): Call use_anchored_address.
3735 (use_anchored_address): New function.
3736 * common.opt (-fsection-anchors): New switch.
3737 * varasm.c (object_block_htab, anchor_labelno): New variables.
3738 (hash_section, object_block_entry_eq, object_block_entry_hash)
3739 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3740 (use_blocks_for_decl_p, change_symbol_section): New functions.
3741 (get_variable_section): New function, split out from assemble_variable.
3742 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3743 use_blocks_for_decl_p say so. Use change_symbol_section if the
3744 symbol has already been created.
3745 (assemble_variable_contents): New function, split out from...
3746 (assemble_variable): ...here. Don't output any code for
3747 block symbols; just pass them to place_block_symbol.
3748 Use get_variable_section and assemble_variable_contents.
3749 (get_constant_alignment, get_constant_section, get_constant_size): New
3750 functions, split from output_constant_def_contents.
3751 (build_constant_desc): Create a block symbol if use_object_blocks_p
3752 says so. Or into SYMBOL_REF_FLAGS.
3753 (assemble_constant_contents): New function, split from...
3754 (output_constant_def_contents): ...here. Don't output any code
3755 for block symbols; just pass them to place_section_symbol.
3756 Use get_constant_section and get_constant_alignment.
3757 (force_const_mem): Create a block symbol if use_object_blocks_p and
3758 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3759 (output_constant_pool_1): Add an explicit alignment argument.
3760 Don't switch sections here.
3761 (output_constant_pool): Adjust call to output_constant_pool_1.
3762 Switch sections here instead. Don't output anything for block symbols;
3763 just pass them to place_block_symbol.
3764 (init_varasm_once): Initialize object_block_htab.
3765 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3766 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3767 (place_block_symbol, get_section_anchor, output_object_block)
3768 (output_object_block_htab, output_object_blocks): New functions.
3769 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3770 (TARGET_ASM_OUT): Include it.
3771 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3772 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3773 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3774 (TARGET_INITIALIZER): Include them.
3775 * rtl.c (rtl_check_failed_block_symbol): New function.
3776 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3777 (block_symbol, object_block): New structures.
3778 (rtx_def): Add a block_symbol field to the union.
3779 (BLOCK_SYMBOL_CHECK): New macro.
3780 (rtl_check_failed_block_symbol): Declare.
3781 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3782 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3783 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3784 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3785 * output.h (output_section_symbols): Declare.
3786 (object_block): Name structure.
3787 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3788 (default_use_anchors_for_symbol_p): Declare.
3789 * Makefile.in (RTL_BASE_H): Add vec.h.
3790 (explow.o): Depend on output.h.
3791 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3792 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3793 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3794 (rs6000_use_blocks_for_constant_p): New function.
3796 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3798 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3800 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3803 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3806 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3808 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3812 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3815 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3816 instead of DECL_REGISTER.
3818 2006-02-18 Olivier Hainque <hainque@adacore.com>
3821 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3823 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3826 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3827 * opth-gen.awk: Handle Var and InverseMask together.
3828 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3829 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3830 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3831 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3833 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3834 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3835 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3836 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3837 LINUX_DYNAMIC_LINKER): Define.
3838 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3839 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3841 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3842 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3843 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3844 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3845 (TARGET_C99_FUNCTIONS): Don't define.
3846 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3847 GLIBC_DYNAMIC_LINKER.
3848 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3849 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3850 GLIBC_DYNAMIC_LINKER64): Define.
3851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3852 LINUX_DYNAMIC_LINKER64.
3853 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3854 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3855 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3857 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3858 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3859 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3860 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3861 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3863 and LINUX_DYNAMIC_LINKER32.
3864 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3866 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3867 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3868 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3870 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3871 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3872 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3873 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3874 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3875 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3876 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3877 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3878 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3879 LINUX_DYNAMIC_LINKER): Define.
3880 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3881 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3882 GLIBC_DYNAMIC_LINKER64): Define.
3883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3884 LINUX_DYNAMIC_LINKER64.
3885 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3886 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3887 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3888 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3889 LINUX_DYNAMIC_LINKER): Define.
3890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3891 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3892 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3893 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3894 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3895 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3896 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3897 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3898 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3899 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3900 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3901 * doc/invoke.texi (-muclibc): Remove caveat about supported
3904 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3906 * doc/cpp.texi (__TIMESTAMP__): Document.
3908 2006-02-17 Roger Sayle <roger@eyesopen.com>
3911 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3912 C is one less than the width of X (and related transformations).
3913 * simplify-rtx.c (simplify_unary_operation_1): Transform
3914 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3915 depending on STORE_FLAG_VALUE, were C is one less then the
3918 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3920 Fix PR tree-optimization/26341
3921 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3922 about NAME_MEMORY_TAG's.
3924 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3927 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3928 with hardware float support, and software float support. Add fcpy
3929 alternative to hardware patterns. Add alternatives to copy between
3930 general and floating-point registers to the 32-bit pattern.
3931 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3932 secondary reload to load a QI or HI mode constant into a floating
3934 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3935 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3937 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3940 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3942 (load_macho_picbase_di): Likewise.
3944 2006-02-16 Jeff Law <law@redhat.com>
3946 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3947 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3948 (ssa_name_nonzero_p): Likewise.
3949 (get_value_range): Return NULL if VRP is not running.
3950 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3951 VRP routines do not discover a range.
3952 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3953 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3954 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3955 (tree_expr_nonnegative_p): Similarly.
3956 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3957 (restore_nonzero_vars_to_original_value): Remove.
3958 (unsafe_associative_fp_binop): Remove.
3959 (tree_ssa_dominator_optimize): Remove initialization and
3960 finalization of nonzero_vars and nonzero_vars_stack.
3961 (dom_opt_initialize_block): No longer push marker on
3963 (dom_opt_finalize_block): No longer call
3964 restore_nonzero_vars_to_original_value.
3965 (record_equivalences_from_phis): No longer look for
3966 nonzero PHI arguments.
3967 (cprop_into_successor_phis): No longer propagate nonzero
3968 property into PHI arguments. Lose unused argument. Caller
3970 (record_equivalences_from_stmt): No longer record nonzero
3971 values for SSA_NAMEs.
3972 (lookup_avail_expr): No longer use nonzero_vars.
3974 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3975 for sizetype when sizetype is unsigned.
3977 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3979 PR rtl-optimization/25603
3980 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3981 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3982 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3983 with new meaning of SETS.
3985 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3990 * config/linux.opt: New file.
3991 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3992 LINUX_DYNAMIC_LINKER): Define.
3993 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3994 * config.gcc (*-*-linux*): Define extra_options.
3995 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3996 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3997 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3998 GLIBC_DYNAMIC_LINKER.
3999 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4000 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4001 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4003 * doc/invoke.texi (GNU/Linux Options): New section.
4005 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4007 * config/sparc/sparc.md (setjmp): Rewrite.
4008 (setjmp_32): Delete.
4009 (setjmp_64): Likewise.
4011 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4013 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4016 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4018 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4021 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4023 PR rtl-optimization/26296
4024 * Makefile.in (loop-invariant.c): Add except.h dependency.
4025 * loop-invariant.c: Include except.h.
4026 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4028 2005-02-16 Paul Brook <paul@codesourcery.com>
4030 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4033 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4035 PR rtl-optimization/25636
4036 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4037 when deciding whether an insn is an initializing insn.
4039 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4041 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4042 (tree_code_size): Ditto.
4043 * tree.h (struct tree_memory_tag): Remove parent_var.
4044 (struct tree_struct_field_tag): New.
4047 (union tree_node): Add sft member.
4048 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4050 (create_sft): Add size and offset argument, set SFT_OFFSET and
4052 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4053 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4054 * tree-flow-inline.h (get_subvar_at): Update for
4055 SFT_OFFSET/SFT_SIZE.
4056 (var_can_have_subvars): Ditto.
4057 (overlap_subvar): Ditto.
4058 * print-tree.c (print_node): Print out interesting things for
4060 * tree-flow.h (struct subvar): Remove offset and size members.
4061 * tree-ssa-operands.c (get_expr_operands): Update for
4062 get_indirect_ref_operands changes.
4063 (get_indirect_ref_operands): Call add_virtual_operand instead of
4064 add_stmt_operand. Only recurse on base var if requested.
4065 (access_can_touch_variable): New function.
4066 (add_stmt_operand): Split virtual operand handling into ...
4067 (add_virtual_operand): Here. Add offset, size, and for_clobber
4068 arguments. Prune alias sets.
4069 (add_call_clobber_ops): Call add_virtual_operand.
4071 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4074 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4076 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4077 than TREE_CODE as index into omp_clause_num_ops array.
4079 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4081 PR rtl-optimization/26184
4082 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4084 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4085 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4086 must_precede, must_follow and tobe_scheduled.
4089 * opts.c (common_handle_option): Free new_option pointer.
4090 * df-core.c (df_analyze): Free postorder pointer.
4092 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4094 * Makefile.in: Fix the examples about the use of stamps
4096 2006-02-15 Michael Matz <matz@suse.de>
4100 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4101 influenced by maximum_field_alignment or DECL_PACKED.
4102 (update_alignment_for_field): Ditto.
4103 (place_field): Ditto.
4104 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4107 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4109 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4110 (debug_flow_info): Pass it.
4111 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4112 * bb-reorder.c (reorder_basic_blocks): Likewise.
4113 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4114 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4115 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4116 * gcse.c (gcse_main, bypass_jumps): Likewise.
4117 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4118 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4119 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4120 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4121 * rtl.h (dump_flow_info): Adjust prototype.
4122 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4123 * var-tracking.c (variable_tracking_main): Likewise.
4124 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4125 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4128 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4130 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4133 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4135 PR tree-optimization/26209
4136 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4137 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4139 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4141 2006-02-14 Roger Sayle <roger@eyesopen.com>
4144 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4145 (X,Y) and the corresponding symmetry related transformations.
4146 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4147 (X,Y) and its symmetry related transformations.
4149 2006-02-14 Roger Sayle <roger@eyesopen.com>
4151 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4154 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4156 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4158 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4161 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4162 support COMDAT group.
4163 * configure: Regenerate.
4165 2006-02-14 Roger Sayle <roger@eyesopen.com>
4170 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4172 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4174 Fix PR tree-optimization/26260
4176 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4178 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4179 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4180 * tree-ssa-structalias.c (create_variable_info_for): Use
4181 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4183 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4185 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4187 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4188 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4189 of the ending condition.
4190 * tree-ssa-loop-manip.c: Include params.h.
4191 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4192 tree_unroll_loop): New functions.
4193 * tree-pass.h (pass_loop_prefetch): Declare.
4194 * loop.c (rest_of_handle_loop_optimize): Test for
4195 -fprefetch-loop-arrays-rtl.
4196 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4197 * timevar.def (TV_TREE_PREFETCH): New timevar.
4198 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4199 pass_loop_prefetch): New.
4200 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4201 (cleanup_tree_cfg_loop): Call scev_reset.
4202 * common.opt (fprefetch-loop-arrays-rtl): Add.
4203 * tree-ssa-loop-prefetch.c: New file.
4204 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4205 (new_temp_expr_table): Initialize expr_vars.
4206 (free_temp_expr_table): Cleanup expr_vars.
4207 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4208 expressions from being merged into one.
4209 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4210 (struct tree_niter_desc): Add control, bound and cmp fields.
4211 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4213 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4214 (tree-cfgcleanup.o): Add SCEV_H dependency.
4215 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4216 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4218 2006-02-14 Richard Guenther <rguenther@suse.de>
4220 PR tree-optimization/26258
4221 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4222 in PHI argument processing.
4224 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4226 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4227 new expression in the requested machine mode.
4229 2006-02-13 Roger Sayle <roger@eyesopen.com>
4231 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4232 directly, instead let do_compare_rtx_and_jump handle this for us.
4233 * expr.c (expand_expr_real_1): Likewise.
4234 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4235 before do_jump_by_parts_greater.
4236 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4237 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4239 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4241 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4243 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4245 PR rtl-optimization/26235
4246 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4247 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4250 2006-02-13 Jeff Law <law@redhat.com>
4252 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4255 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4258 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4259 twice if decl is a builtin. When trying again, call get_callee_fndecl
4260 first to verify it is still a builtin.
4262 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4264 * dwarf2out.c (base_type_die): Don't add AT_name here.
4265 (subrange_type_die): Don't add AT_name here.
4266 (modified_type_die): Rearrange code flow. Do add AT_name here.
4268 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4270 PR rtl-optimization/26247
4271 PR rtl-optimization/26248
4272 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4274 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4276 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4277 * config/fixtfdi.c: Likewise.
4278 * config/fixunstfdi.c: Likewise.
4279 * config/floatditf.c: Likewise.
4281 2006-02-13 Roger Sayle <roger@eyesopen.com>
4284 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4285 into (X,C2) if C1 is a subset of the bits of C2. Transform
4286 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4288 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4290 2006-02-13 Josh Conner <jconner@apple.com>
4293 * varasm.c (function_section): Check for section name before
4294 calling select_section on targets that define
4295 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4296 unlikely_text_section instead of hot_function_section if
4297 first_function_block_is_cold.
4299 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4302 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4304 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4306 PR rtl-optimization/26222
4307 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4308 after tree->rtl expansion.
4309 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4310 before passing it to emit_move_insn.
4312 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4314 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4316 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4317 Clarify documentation.
4318 * c-common.h (warn_write_strings): Remove.
4319 * c-common.c (warn_write_strings): Likewise.
4320 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4323 2006-02-12 Roger Sayle <roger@eyesopen.com>
4326 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4327 (do_jump_parts_zero_rtx): New function renamed from
4328 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4329 (do_jump_parts_equality_rtx): New function split out from
4330 do_jump_parts_equality. Old implementation renamed as above.
4331 Call do_jump_parts_zero_rtx if either operand is zero.
4332 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4333 do all of the heavy lifting.
4334 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4335 calling either do_jump_by_parts_greater_rtx or
4336 do_jump_by_parts_equality_rtx.
4337 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4338 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4339 moved to do_compare_rtx_and_jump, call it directly.
4340 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4341 mode argument. Call do_compare_rtx_and_jump.
4342 (emit_case_nodes): Update calls to do_jump_if_equal.
4344 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4346 PR rtl-optimization/26225
4347 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4349 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4351 PR rtl-optimization/26232
4352 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4354 2006-02-11 Jason Merrill <jason@redhat.com>
4357 * tree-inline.c (declare_return_variable): Just don't use the
4358 modify target if it's a gimple complex reg and the return slot
4361 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4363 * doc/contrib.texi: Update my entry.
4365 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4367 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4369 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4371 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4374 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4376 * doc/invoke.texi (-floop-optimize2): Removed.
4377 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4378 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4379 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4380 * common.opt (floop-optimize2): Removed.
4381 (fmove-loop-invariants): Enabled by default.
4383 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4385 * tree-if-conv.c (combine_blocks): Free the result of
4386 get_loop_exit_edges.
4388 2006-02-10 Jeff Law <law@redhat.com>
4390 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4392 PR tree-optimization/26213
4393 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4394 loop trying to follow SSA_NAME_VALUE chains.
4396 2006-02-10 Richard Guenther <rguenther@suse.de>
4398 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4399 deal with structures that end in implicitly variable sized arrays.
4401 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4403 PR rtl-optimization/24762
4404 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4407 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4409 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4410 (struct ivopts_data): Add regs_used field.
4411 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4412 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4413 instead of loop_data->regs_used;
4414 (free_loop_data): Do not free aux fields for loops.
4415 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4416 and tree_ssa_iv_optimize_finalize.
4418 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4420 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4422 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4425 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4426 computing the effective result type.
4428 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4431 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4432 (tree_overlaps_hard_reg_set): Declare.
4433 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4434 type and signature to match function type expected by walk_tree.
4435 (tree_overlaps_hard_reg_set): New function.
4436 (decl_conflicts_with_clobbers_p): Rename to:
4437 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4438 Use tree_overlaps_hard_reg_set. Changed caller.
4439 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4440 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4441 * cris.c (cris_md_asm_clobbers): Likewise.
4443 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4445 * reload1.c (emit_input_reload_insns): Delete code that tries to
4446 inherit using find_equiv_reg.
4448 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4450 * c-common.h (flag_const_strings): Don't declare.
4451 * c-common.c (flag_const_strings): Remove.
4452 * c.opt (fconst_strings): Remove.
4453 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4454 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4455 (c_common_init_options): Don't set flag_const_strings.
4456 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4458 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4460 * arm.md (tlobits_cbranch): New pattern.
4461 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4462 testing a single bit.
4464 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4467 * tree-ssa-pre.c (create_component_ref_by_pieces):
4468 Handle RETURN_DECL like VAR_DECL.
4470 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4473 * fold-const.c (fold_indirect_ref_1): Fold
4474 "*(foo *)&complexfoo" to "__real__ complexfoo"
4475 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4477 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4479 * tree-flow-inline.h (var_can_have_subvars):
4480 Volatile variables should not have subvariables.
4482 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4485 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4486 multiplying unsigned values.
4489 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4491 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4493 2006-02-08 Jason Merrill <jason@redhat.com>
4496 * tree.def: Elaborate on difference from MODIFY_EXPR.
4497 * doc/c-tree.texi (INIT_EXPR): Likewise.
4498 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4499 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4500 (gimplify_target_expr): Likewise.
4501 (gimplify_cond_expr): Remove target handling.
4502 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4503 (gimplify_expr): Clobber it here.
4504 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4505 Do return slot optimization if we have an INIT_EXPR.
4508 * tree-inline.c (declare_return_variable): Also clear
4509 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4512 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4515 * gimplify.c (gimplify_one_sizepos): Fix typo.
4517 2006-02-08 Jeff Law <law@redhat.com>
4519 PR tree-optimization/21417
4520 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4521 across a backedge if the control statement at the end of the
4522 block is data dependent on other statements in the same block.
4523 (record_temporary_equivalences_from_stmts): Remove over-conservative
4524 test for threading across backedges.
4526 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4527 control statement, handle all three special cases in the same
4528 manner as they all have the same desired solution. No longer
4529 special case edge flag updating when the post dominator is
4532 2006-02-08 Roger Sayle <roger@eyesopen.com>
4534 * tree.def (CHAR_TYPE): Remove.
4535 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4536 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4537 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4538 (gen_string_type_die): Delete unreachable function.
4540 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4541 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4542 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4543 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4544 * builtins.c (type_to_class): Likewise.
4545 * fold-const.c (fold_convert, build_range_check,
4546 merge_ranges): Likewise.
4547 * expr.c (count_type_elements): Likewise.
4548 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4549 * stor-layout.c (layout_type): Likewise.
4550 * ipa-type-escape.c (type_to_consider): Likewise.
4551 * gimplify.c (omp_firstprivatize_type_sizes,
4552 gimplify_type_sizes): Likewise.
4553 * explow.c (promote_mode): Likewise.
4554 * tree-sra.c (is_sra_scalar_type): Likewise.
4555 * varasm.c (output_constant): Likewise.
4556 * tree-inline.c (remap_type_1): Likewise.
4557 * convert.c (convert_to_pointer, convert_to_real,
4558 convert_to_integer, convert_to_complex): Likewise.
4560 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4562 * df-scan.c (df_def_record_1): A set destination may
4563 be a parallel regardless of mode.
4565 2006-02-08 Roger Sayle <roger@eyesopen.com>
4568 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4569 * config/mips/_tilib.c: Remove.
4570 * config/fixtfdi.c: New libgcc source file.
4571 * config/fixunstfdi.c: New source file.
4572 * config/floatditf.c: New source file.
4573 * config/floatunditf.c: New souce file.
4574 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4575 files above instead of config/mips/_tilib.c.
4576 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4578 2006-02-08 Jeff Law <law@redhat.com>
4580 PR tree-optimization/26169
4581 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4584 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4586 * df.h (DF_REG_SIZE): Return the length of the initialized
4589 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4591 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4592 __muldf3): Return a correctly signed zero.
4594 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4596 * passes.c (register_one_dump_file): Accept the current properties
4597 instead of pass number. Adjust call to dump_register. Remove
4599 (register_dump_files): Now a wrapper around...
4600 (register_dump_files_1): ... this one. Do not modify the pass
4602 (next_pass_1): Cosmetic fix.
4603 (execute_todo): Keep second parameter only. Use curr_properties
4604 instead of fetching it from the pass structure. Check and set
4606 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4607 instead of fetching it from the pass structure. Fix calls to
4608 execute_todo. Update curr_properties and initialize .vcg RTL dump
4609 after running the pass. Reset last_verified.
4610 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4612 (FIRST_AUTO_NUMBERED_DUMP): New.
4613 (dump_register): Remove "num" parameter, assign it within the
4615 (get_dump_file_name): Modify template for dumps.
4616 * tree-dump.h (dump_register): Adjust prototype.
4617 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4618 (PROP_trees): Add PROP_gimple_lomp.
4619 (TODO_set_props): New.
4620 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4621 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4622 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4624 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4626 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4627 (sparc64-*-linux*): Likewise.
4628 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4629 * config/sparc/t-linux: New file.
4630 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4631 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4632 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4633 -m32 -mlong-double-128.
4635 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4636 * config/alpha/t-linux: New file.
4637 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4639 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4640 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4641 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4642 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4643 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4644 (CPP_ARCH32_SPEC): Remove.
4646 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4648 PR tree-optimization/26145
4649 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4652 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4655 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4656 >= 240000 when generating code for SOM runtime.
4657 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4658 to $$dyncall when generating code for SOM runtime..
4660 2006-02-07 Dirk Mueller <dmueller@suse.com>
4663 * doc/invoke.texi (-Wsequence-point): Update documentation
4664 that -Wsequence-point is implemented for C++ as well.
4666 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4668 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4669 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4670 (LIB_SPEC): Likewise.
4671 * doc/invoke.texi (SPARC options): Document -pthread.
4673 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4675 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4678 2006-02-07 Roger Sayle <roger@eyesopen.com>
4680 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4681 Correct comment describing BOOLEAN_TYPE.
4683 2006-02-07 Dirk Mueller <dmueller@suse.com>
4685 * c.opt: C++ frontend supports -Wdiv-by-zero.
4686 * c-opts.c (c_common_handle_option): Remove dead case.
4688 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4690 * configure.ac (TLS assembler check): Do not enable TLS by
4691 default on SPARC/Solaris before version 10.
4692 * configure: Regenerate.
4694 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4696 * doc/invoke.texi (xl-compat): Document conversion and support
4699 2006-02-07 Jeff Law <law@redhat.com>
4701 * tree-vrp.c (find_conditional_asserts): Update comments.
4702 (simplify_stmt_for_jump_threading): New.
4703 (identify_jump_threads, finalize_jump_threads): New.
4704 (vrp_finalize): Call identify_jump_threads.
4705 (execute_vrp): Call finalize_jump_threads.
4706 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4707 (vrp_element, vrp_data, vrp_element_p): Remove.
4708 (vrp_hash_elt, vrp_variables_stack): Remove.
4709 (vrp_hash, vrp_eq, record_range): Remove.
4710 (simplify_cond_and_lookup_avail_expr): Remove.
4711 (extract_range_from_cond): Remove.
4712 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4713 (simplify_stmt_for_jump_threading): New.
4714 (dom_thread_across_edge): New wrapper.
4715 (tree_ssa_dominator_optimize): No longer initialize or
4716 finalize any of the VRP datastructures. Remove iteration
4717 step and simplify as a result of removal of iteration step.
4718 (pass_dominator): Perform a cfg cleanup after DOM.
4719 (dom_opt_finalize_block): Use the new common routines
4720 for threading jumps. Simplify stack management slightly.
4721 No longer need to unwind VRP state.
4722 (record_equivalences_from_incoming_edge): No longer record
4724 (eliminate_redundant_computations): No longer call
4725 simplify_cond_and_lookup_avail_expr.
4726 * tree-flow.h (potentially_threadable_block): Prototype.
4727 (thread_across_edge): Likewise.
4728 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4729 (tree-ssa-threadedge.o): Add dependencies.
4730 * tree-ssa-threadedge.c: New file.
4731 * passes.c (init_optimization_passes): Merge PHIs before
4732 calling VRP. Run VRP again late in the SSA optimization pipeline.
4734 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4736 * df-core.c (df_set_blocks): Do not dereference function pointers.
4737 (df_finish1): Likewise.
4738 (df_hybrid_search_forward): Likewise.
4739 (df_hybrid_search_backward): Likewise.
4740 (df_iterative_dataflow): Likewise.
4741 (df_analyze_problem): Likewise.
4742 (df_compact_blocks): Likewise.
4743 (df_dump): Likewise.
4744 * df-scan.c (df_rescan_blocks): Likewise.
4745 (df_record_entry_block_defs): Likewise.
4747 * genconditions.c (write_conditions): Guard the definition of
4748 'insn_conditions' with the check on GCC version.
4749 (write_writer): Guard the traversal 'insn_conditions' with
4750 the check on GCC version.
4752 2006-02-07 Richard Guenther <rguenther@suse.de>
4756 2006-01-30 Richard Guenther <rguenther@suse.de>
4758 * gimplify.c (gimplify_target_expr): Handle easy cases
4759 without creating a temporary.
4761 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4763 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4764 use of float in probability computations. Use edge probabilities
4765 in place of statically computed probabilities.
4766 (min_spec_prob): New static variable.
4767 (schedule_insns): Initialize it.
4768 (GET_SRC_PROB): Removed.
4769 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4771 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4774 * config/ia64/unwind-ia64.c: Revert last change.
4775 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4776 (INCOMING_FRAME_SP_OFFSET): Define.
4778 2006-02-06 Roger Sayle <roger@eyesopen.com>
4780 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4782 2006-02-07 Ben Elliston <bje@au.ibm.com>
4784 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4785 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4786 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4787 (ix86_return_in_memory): Handle TDmode.
4788 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4789 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4791 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4793 * reorg.c (dbr_schedule): Use dump_file instead of file.
4795 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4798 * config/ia64/predicates.md (extr_len_operand): New predicate.
4799 * config/ia64/ia64.md (extv): Tighten constraints.
4801 (*tbit_and_2): Ditto.
4802 (*tbit_and_3): Ditto.
4803 (*tbit_or_2): Ditto.
4804 (*tbit_or_3): Ditto.
4808 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4811 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4813 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4815 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4816 loop_optimizer_init and loop_optimizer_finalize
4817 * tree-ssa-sink.c (execute_sink_code): Ditto.
4818 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4819 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4820 tree_ssa_loop_done): Ditto.
4821 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4822 * sched-ebb.c: Include output.h.
4823 (schedule_ebbs): Do not use dump argument.
4824 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4825 * loop.c (loop_dump_stream): Removed.
4826 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4828 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4829 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4830 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4831 loop_iterations, strength_reduce, record_biv, record_giv,
4832 final_giv_value, check_final_value, check_ext_dependent_givs,
4833 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4834 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4835 dump_file instead of loop_dump_stream.
4836 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4838 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4840 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4841 * haifa-sched.c: Include output.h
4842 (schedule_insns, sched_init): Do not use dump argument.
4843 * mode-switching.c (optimize_mode_switching): Ditto.
4844 * modulo-sched.c (stats_file): Removed.
4845 (print_node_sched_params): Do not call argument dump_file.
4846 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4847 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4849 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4851 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4852 rtl_loop_init, rtl_loop_done): Ditto.
4853 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4854 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4856 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4857 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4858 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4859 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4860 * emit-rtl.c (renumber_insns): Ditto.
4861 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4862 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4863 * regclass.c (regclass): Ditto.
4864 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4865 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4866 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4867 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4869 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4870 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4872 * gcse.c (gcse_file, debug_stderr): Removed.
4873 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4874 rest_of_handle_gcse): Do not use dump argument.
4875 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4876 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4877 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4878 compute_code_hoist_vbeinout, compute_code_hoist_data,
4879 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4880 compute_store_table, build_store_vectors, insert_insn_start_bb,
4881 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4882 store_motion): Use dump_file instead of gcse_file.
4883 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4884 * profile.c (profile_dump_file): Removed.
4885 (branch_prob): Use dump_file instead of profile_dump_file.
4886 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4888 * tree-ssa-copy.c (dump_copy_of): Ditto.
4889 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4890 dump file to life_analysis.
4891 * bt-load.c (branch_target_load_optimize): Ditto.
4892 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4894 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4895 regclass, dbr_schedule): Declaration changed.
4896 * sched-int.h (sched_init): Declaration changed.
4897 * tree-profile.c (tree_profile_dump_file): Removed.
4898 (tree_profile_hooks): Removed profile_dump_file hook.
4899 * rtl-profile (rtl_profile_dump_file): Removed.
4900 (rtl_profile_hooks): emoved profile_dump_file hook.
4901 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4903 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4904 * tree-cfg.c (build_tree_cfg): Ditto.
4905 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4906 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4907 Declaration changed.
4908 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4909 life_analysis and schedule_insns.
4910 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4912 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4914 * config/mips/mips.c (mips_reorg): Ditto.
4915 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4918 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4920 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4921 (s390_mangle_fundamental_type): New.
4922 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4925 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4926 (alpha_mangle_fundamental_type): New.
4927 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4930 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4932 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4934 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4935 (sparc_mangle_fundamental_type): New.
4937 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4939 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4940 (s390x-*-linux*): Likewise.
4941 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4942 * config/s390/t-linux: New file.
4944 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4946 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4947 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4949 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4951 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4952 (ANTIC_SAFE_LOADS): New macro.
4953 (find_or_generate_expression): Add prototype.
4954 (set_contains_value): Allow null set for sake of not always having
4955 to allocate ANTIC_SAFE_LOADS.
4956 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4957 Allow COMPONENT_REF too.
4958 (valid_in_set): Allow COMPONENT_REF.
4959 Check ANTIC_SAFE_LOADS too.
4960 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4961 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4963 (can_PRE_operation): Add COMPONENT_REF.
4964 (create_component_ref_by_pieces): New function.
4965 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4966 (insert_aux): Move AGGREGATE_TYPE_P check here.
4967 (compute_avail): Set bb local stmt uids.
4968 (pass_pre): Use TODO_update_ssa_only_virtuals.
4970 2006-02-06 Ben Elliston <bje@au.ibm.com>
4972 * configure.ac: Unconditionally disable decimal float by default.
4973 * configure: Regenerate.
4975 2006-02-06 Ben Elliston <bje@au.ibm.com>
4977 * read-rtl.c (read_name): Terminate reading on EOF.
4979 2006-02-06 Ben Elliston <bje@au.ibm.com>
4981 * dfp.c (decimal_real_arithmetic): Change second argument type
4982 from int to enum tree_code. Do not always return true, but now
4983 return result of any call to decimal_do helper functions.
4984 * dfp.h (decimal_real_arithmetic): Update prototype.
4986 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4988 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4990 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4993 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4996 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4998 * tree-vrp.c (cfg_loops): Removed.
4999 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5000 Use current_loops instead of cfg_loops. Pass flags to
5001 loop_optimizer_init.
5002 * cfgloopmanip.c (fix_loop_structure): Update only available
5004 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5005 loop_optimizer_init.
5006 * modulo-sched.c (build_loops_structure): Removed.
5007 (sms_schedule): Use loop_optimizer_init.
5008 * loop-init.c (loop_optimizer_init): Use flags to determine
5009 which properties of loops to prepare.
5010 (rtl_loop_init): Pass flags to loop_optimizer_init.
5011 * tree-ssa-sink.c (execute_sink_code): Ditto.
5012 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5013 * tree-ssa-pre.c (init_pre): Ditto.
5014 * cfgloop.h (LOOPS_NORMAL): New.
5015 (loop_optimizer_init): Declaration changed.
5017 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5019 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5020 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5022 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5024 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5026 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5027 * pa/t-pa64: Delete quadlib.c rule.
5028 * pa/x-ada: Revert last change.
5029 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5031 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5033 PR rtl-optimization/26087
5034 * rtlanal.c (canonicalize_condition): Do not cross basic block
5037 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5040 * config/ia64/ia64.c: Include debug.h.
5041 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5042 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5043 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5044 (process_epilogue, process_set, process_for_unwind_directive):
5045 Output unwind info only if requested. Add CFA info if requested.
5046 Add new arguments as needed. Adjust callers.
5047 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5049 (DWARF2_FRAME_INFO): Define to zero.
5050 * config/ia64/unwind-ia64.c: Remove code that compensated for
5051 the CFA offset error fixed above.
5052 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5053 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5054 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5055 -funwind-tables and -fexceptions to enable frame info.
5056 (dwarf2out_frame_init): Define initial CFA even if
5057 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5058 DWARF2_UNWIND_INFO is nonzero, not just defined.
5059 (dwarf2out_frame_finish): Output non-EH call frame info only
5060 if DWARF2_FRAME_INFO is nonzero.
5061 (convert_cfa_to_loc_list,
5062 compute_frame_pointer_to_cfa_displacement): Define even if
5063 unwind info is not supported.
5064 (gen_subprogram_die): Use the above unconditionally. Remove
5065 legacy alternate code.
5066 * toplev.c (compile_file): Compile in call to
5067 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5068 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5070 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5071 Jakub Jelinek <jakub@redhat.com>
5073 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5074 IBM extended float format long double as "g" on powerpc*-linux.
5076 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5079 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5080 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5082 2006-02-03 Jason Merrill <jason@redhat.com>
5085 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5088 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5089 on the return slot if it's an NRV.
5091 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5093 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5094 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5095 rewrite_use): Do not handle USE_OUTER.
5096 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5097 add_iv_outer_candidates, may_replace_final_value,
5098 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5099 (find_interesting_uses_op): Functionality of
5100 find_interesting_uses_outer_or_nonlin moved here.
5101 (find_interesting_uses_outside): Use find_interesting_uses_op.
5103 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5106 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5108 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5109 Ulrich Weigand <uweigand@de.ibm.com>
5112 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5113 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5114 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5115 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5117 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5118 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5119 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5120 Define secondary reloads for TFmode moves.
5121 (constant_modes): Add TFmode.
5122 (NR_C_MODES): Set to 8.
5123 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5125 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5126 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5127 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5128 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5129 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5130 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5131 (FPR mode macro): Add TFmode.
5132 (DSF mode macro): New.
5133 (<de>, <dee> mode attributes): Removed.
5134 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5135 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5136 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5137 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5138 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5139 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5140 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5141 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5142 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5143 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5144 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5145 "*negabs<mode>2", "sqrt<mode>2"):
5146 Changed <de> to <xde>. R constraint replaced by <Rf>.
5147 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5149 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5150 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5151 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5153 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5154 "extenddftf2", "extendsftf2"): New expanders.
5155 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5156 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5157 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5158 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5160 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5161 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5162 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5163 __floatditf): Add a GCC_4.1.0 symbol version tag.
5164 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5167 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5170 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5171 Use targetm.binds_local_p instead of TREE_PUBLIC.
5173 2006-02-02 Roger Sayle <roger@eyesopen.com>
5175 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5176 on INTEGER_TYPEs to indicate that it denotes a character type.
5177 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5178 signed_char_type_node, unsigned_char_type_node and char_type_node.
5179 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5180 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5181 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5183 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5184 Daniel Berlin <dberlin@dberlin.org>
5186 * tree-tailcall.c (arg_needs_copy_p): New function.
5187 (eliminate_tail_call): Use arg_needs_copy_p.
5188 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5189 (add_virtual_phis): New function.
5191 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5193 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5194 #ignore instead of #scratch for %g7 .register directive.
5196 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5198 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5201 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5203 * flow.c (calculate_global_regs_live): Assert that there aren't any
5206 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5208 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5210 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5211 bsi_after_labels iterator.
5212 * tree-if-conv.c (find_phi_replacement_condition,
5213 replace_phi_with_cond_modify_expr): Likewise.
5214 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5215 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5217 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5219 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5221 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5224 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5225 array after growing it.
5227 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5230 * fold-const.c (fold_checksum_tree): Change type of buf.
5232 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5234 * reload.c (push_secondary_reload): Initialize t_icode.
5236 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5238 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5239 -msoft-float -mlong-double-128 only issue a warning, but don't
5240 swich to DFmode long double.
5242 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5244 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5245 has a constant equivalent, iterate over equivalents for arg0,
5246 calling simplify_relational_operation and if there's a result
5247 cheaper than X, apply fold_rtx and return the result.
5249 2006-02-01 Jan Hubicka <jh@suse.cz>
5251 * opts.c (no_unit_at_a_time_default): New global variable.
5252 (decode_options): Use it.
5253 * opts.h (no_unit_at_a_time_default): Declare.
5255 2006-02-01 Paul Brook <paul@codesourcery.com>
5257 * function.c (assign_parm_setup_reg): Use function argument promotion
5259 * expr.c (expand_expr_real_1): Use function argument promotion rules
5262 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5264 * gcc.c (process_command): Change j to 'unsigned int'.
5266 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5269 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5270 Use the corrected index for the character
5271 out of the string constant.
5273 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5275 * mode-switching.c (optimize_mode_switching): Fix size
5276 allocated for bb_info[n_entities].
5278 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5280 * gcc.c (main): Correct type that is allocated for
5281 explicit_link_files.
5283 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5285 * config/s390/s390.c (init_alignment_context): Set
5286 ALIAS_SET_MEMORY_BARRIER on the MEM.
5287 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5289 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5292 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5294 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5297 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5299 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5300 * regrename.c: Ditto.
5301 * tree-ssa-loop-im.c: Ditto.
5302 * tree-dump.c: Ditto.
5303 * tree-complex.c: Ditto.
5304 * genrecog.c: Ditto.
5305 * tree-ssa-threadupdate.c: Ditto.
5307 * java/class.c: Ditto.
5308 * java/jcf-parse.c: Ditto.
5309 * java/resource.c: Ditto.
5310 * java/except.c: Ditto.
5311 * java/jvspec.c: Ditto.
5312 * java/jcf-write.c: Ditto.
5313 * java/jcf-path.c: Ditto.
5314 * java/gjavah.c: Ditto.
5315 * java/zextract.c: Ditto.
5316 * java/jcf-io.c: Ditto.
5317 * java/jcf.h: Ditto.
5318 * java/buffer.c: Ditto.
5319 * java/lang.c: Ditto.
5320 * java/parse-scan.y: Ditto.
5321 * java/lex.c: Ditto.
5322 * java/lex.h: Ditto.
5323 * cfgloopmanip.c: Ditto.
5324 * postreload-gcse.c: Ditto.
5325 * tree-ssa-loop-manip.c: Ditto.
5326 * postreload.c: Ditto.
5327 * tree-ssa-loop-ch.c: Ditto.
5331 * diagnostic.c: Ditto.
5333 * genoutput.c: Ditto.
5335 * cfghooks.c: Ditto.
5336 * cfgloopanal.c: Ditto.
5337 * objc/objc-act.c: Ditto.
5339 * genextract.c: Ditto.
5340 * genautomata.c: Ditto.
5341 * pretty-print.c: Ditto.
5343 * cgraphunit.c: Ditto.
5346 * haifa-sched.c: Ditto.
5347 * dominance.c: Ditto.
5349 * tree-ssa-loop-ivopts.c: Ditto.
5351 * mode-switching.c: Ditto.
5352 * modulo-sched.c: Ditto.
5354 * ipa-pure-const.c: Ditto.
5356 * fix-header.c: Ditto.
5358 * tree-stdarg.c: Ditto.
5359 * ipa-utils.c: Ditto.
5360 * loop-init.c: Ditto.
5361 * ipa-inline.c: Ditto.
5364 * alloc-pool.c: Ditto.
5365 * dwarf2out.c: Ditto.
5367 * genattrtab.c: Ditto.
5368 * tree-ssa-loop-ivcanon.c: Ditto.
5372 * fortran/gfortranspec.c: Ditto.
5374 * local-alloc.c: Ditto.
5375 * langhooks.c: Ditto.
5376 * function.c: Ditto.
5377 * tree-vectorizer.c: Ditto.
5379 * ipa-type-escape.c: Ditto.
5381 * tree-if-conv.c: Ditto.
5384 * tree-data-ref.c: Ditto.
5385 * loop-unroll.c: Ditto.
5386 * treelang/treetree.c: Ditto.
5389 * ggc-common.c: Ditto.
5391 * coverage.c: Ditto.
5393 * tree-cfgcleanup.c: Ditto.
5394 * tree-ssa-pre.c: Ditto.
5395 * cfgcleanup.c: Ditto.
5396 * loop-invariant.c: Ditto.
5398 * ipa-prop.c: Ditto.
5399 * print-tree.c: Ditto.
5400 * conflict.c: Ditto.
5401 * ggc-page.c: Ditto.
5402 * sched-deps.c: Ditto.
5403 * regclass.c: Ditto.
5404 * tree-object-size.c: Ditto.
5406 * bb-reorder.c: Ditto.
5407 * resource.c: Ditto.
5408 * var-tracking.c: Ditto.
5410 * df-problems.c: Ditto.
5411 * reg-stack.c: Ditto.
5414 * sched-rgn.c: Ditto.
5415 * tree-ssa-structalias.c: Ditto.
5416 * tree-ssa-reassoc.c: Ditto.
5417 * config/darwin-c.c: Ditto.
5418 * config/darwin.c: Ditto.
5419 * config/arm/arm.c: Ditto.
5421 * collect2.c: Ditto.
5424 2006-01-31 Nicolas Pitre <nico@cam.org>
5426 * arm.md (smaxsi3): Make aware of smax_m1.
5429 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5431 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5433 2006-01-31 Richard Guenther <rguenther@suse.de>
5435 * doc/invoke.texi (-msselibm): Document.
5436 * target.h (expand_library_builtin): New target hook.
5437 * builtins.c (expand_builtin): Use expand_library_builtin.
5438 (default_expand_library_builtin): New function.
5439 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5440 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5441 (link_gcc_math_spec): Declare.
5442 (static_specs): Add link_gcc_math_spec.
5443 * expr.h (default_expand_library_builtin): Declare.
5444 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5445 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5446 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5447 * config/i386/i386.opt (msselibm): New target option.
5448 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5449 (ix86_init_sse_abi_builtins): New function.
5450 (ix86_expand_library_builtin): Likewise.
5451 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5452 (override_options): Handle error conditions wrt -msselibm.
5453 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5454 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5455 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5458 2006-01-31 Richard Guenther <rguenther@suse.de>
5459 Paolo Bonzini <bonzini@gnu.org>
5461 * doc/install.texi (--disable-libgcc-math): Document.
5463 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5465 * expr.h (expand_normal): new inline function.
5466 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5468 * dwarf2out.c: use it.
5473 * config/sparc/sparc.c: use it.
5474 * config/i386/i386.c: use it.
5475 * config/rs6000/rs6000.c: use it.
5476 * config/arm/arm.c: use it.
5477 * config/mips/mips.c: use it.
5478 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5480 2006-01-30 Roger Sayle <roger@eyesopen.com>
5482 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5483 argv to the appropriate type.
5485 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5487 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5490 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5493 * config/s390/s390.c (struct machine_function): New flag
5494 decomposed_literal_pool_addresses_ok_p.
5495 (s390_reorg): Set it before final stage of literal pool transforms.
5496 (s390_decompose_address): Only accept displacements of the form
5497 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5499 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5501 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5502 the comparison routine return.
5504 2006-01-30 Michael Matz <matz@suse.de>
5506 * global.c (find_reg): Only evict for global regs.
5507 Take n_refs into account and dump more info.
5509 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5512 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5513 (pragma_trap, pragma_nosave_low_regs): Likewise.
5514 (current_function_anonymous_args): Likewise.
5515 (sh_deferred_function_attributes): New variable.
5516 (sh_deferred_function_attributes_tail): Likewise.
5517 (print_operand): For '@', look up trap_exit attribute.
5518 (calc_live_regs): Look up trapa_handler attribute. For trapa
5519 handlers, save/restore fpscr, but don't do any other
5520 interrupt-specific saves.
5521 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5522 Fix check for partially saved registers to check for SHmedia.
5523 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5524 (sh_output_function_epilogue): Don't clear any of the removed
5526 (sh_insert_attributes): Don't check pragma_interrupt.
5527 Insert deferred attributes. Check that interrupt attribute is
5528 present for other attributes that require its presence.
5529 (sh_attribute_table): Add new attributes trapa_handler and
5531 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5532 Don't check for pragma_interrupt. Don't store argument.
5533 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5534 (sh_deferred_function_attributes): Declare.
5535 (sh_deferred_function_attributes_tail): Likewise.
5536 * sh.md (sp_switch_1): Add operand. Change generator caller.
5537 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5538 (*return_i): Don't use when trap_exit attribute is in effect.
5539 (*return_trapa): New insn pattern.
5541 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5542 setting c_target_objs and cxx_target_objs.
5543 * t-sh: Add rule for sh-c.o.
5545 2006-01-30 Richard Guenther <rguenther@suse.de>
5548 * gimplify.c (gimplify_target_expr): Handle easy cases
5549 without creating a temporary.
5551 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5553 * vec.h (safe_grow): Remove duplicated line.
5555 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5558 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5559 (expand_omp): ... here.
5560 (expand_omp_parallel): Only remove barriers for combined
5561 parallel+workshare constructs.
5563 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5567 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5568 * tree.c (build_qualified_type): Chain the new type to the original
5569 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5570 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5571 (build_pointer_type_for_mode): Only return unqualified types.
5572 (build_reference_type_for_mode): Likewise.
5574 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5576 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5577 * Makefile.in (CXX_COMPAT_WARN): Define.
5578 * configure: Regenerate.
5580 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5583 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5586 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5588 * toplev.c: Fix thinko.
5590 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5591 Marcin Dalecki <martin@dalecki.de>
5593 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5594 (push_srcloc): Use XNEW.
5595 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5597 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5599 * df-core.c (df_set_blocks): Deleted all variable.
5601 2006-01-28 Ian Lance Taylor <ian@airs.com>
5603 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5604 cgraph_output_pending_asms.
5606 2006-01-28 Zack Weinberg <zackw@panix.com>
5608 * c.opt: Add -W(no-)overlength-strings.
5609 * doc/invoke.texi: Document it.
5610 * c-opts.c (c_common_handle_option): -pedantic implies
5611 -Woverlength-strings, if not explicitly disabled already.
5612 (c_common_post_options): -Woverlength-strings defaults to off, and
5613 is always off for C++.
5614 * c-common.c (fix_string_type): Issue warning about strings longer
5615 than is portable only if warn_overlength_strings. Rearrange code
5616 a little for clarity.
5617 * configure.in: Check for -Wno-overlength-strings as well before
5618 enabling -pedantic in stage 1.
5619 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5620 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5622 * genconditions.c (write_header, write_one_condition)
5623 (write_conditions, write_writer): Consolidate very long strings
5624 that were broken up to fit in C89 portable limit. Don't use
5625 printf when fputs will do.
5627 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5629 * combine.c (simplify_comparison <AND>): Check
5630 TRULY_NOOP_TRUNCATION before start using a subreg.
5632 * config/mips/mips.md (*branch_zero<mode>,
5633 *branch_zero<mode>_inverted, *branch_equality<mode>,
5634 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5635 Remove mode check from comparisons.
5637 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5639 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5641 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5643 * expmed.c (const_mult_add_overflow_p): Remove.
5644 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5646 * recog.c (validate_replace_rtx_subexp): Remove.
5647 * recog.h: Remove the prototype for
5648 validate_replace_rtx_subexp.
5650 * integrate.h: Remove the prototype for
5651 copy_decl_for_inlining.
5652 * rtl.h: Remove the prototype for mark_constant_function.
5653 * tree-vectorizer.h: Remove the prototype for
5654 vect_strip_conversion.
5656 * modulo-sched.c (create_partial_schedule,
5657 free_partial_schedule, reset_partial_schedule): Make them
5660 * hooks.c (hook_bool_rtx_int_false): Remove.
5661 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5663 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5665 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5666 and -mlong-double-128 are incompatible.
5667 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5668 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5669 (TARGET_LIBGCC2_CFLAGS): Define.
5670 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5671 (TARGET_LIBGCC2_CFLAGS): Same.
5672 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5674 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5677 * c-typeck.c (build_binary_op): Perform implicit casts of
5678 operands before shortening them.
5680 * cfgloopmanip.c (split_loop_bb): Remove.
5681 * cfgloop.h: Remove the prototype for split_loop_bb.
5683 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5684 * cfgloop.h: Remove the prototype for
5685 flow_loop_outside_edge_p.
5687 * emit-rtl.c (init_virtual_regs): Make it static.
5688 * function.h: Remove the prototype for init_virtual_regs.
5690 * recog.c (peephole2_optimize): Make it static.
5691 * recog.h: Remove the prototype for peephole2_optimize.
5693 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5695 * df-scan.c (df_record_entry_block_defs): Check if
5696 INCOMING_RETURN_ADDR_RTX is defined.
5698 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5699 Kenneth Zadeck <zadeck@naturalbridge.com>
5701 PR rtl-optimization/24762
5702 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5703 * targhooks.c (hook_void_bitmap): New hook prototype.
5704 * targhoohs.h (hook_void_bitmap): Ditto.
5705 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5706 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5707 * target.h (live_on_entry): New function pointer.
5708 * df-scan.c (df_all_hard_regs): Removed.
5709 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5710 (df_scan_free_internal): Added df->entry_block_defs.
5711 (df_scan_alloc): Ditto.
5712 (df_scan_dump): Ditto.
5713 (df_uses_record): Plumbed flag field properly thru calls.
5714 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5715 This part fixes PR24762.
5716 (df_bb_refs_record): Added code to make the frame and arg
5717 pointers live in EH blocks.
5718 (df_refs_record): Added call to df_record_entry_block_defs.
5719 (df_record_entry_block_defs): New function.
5720 * df-core.c: Added comments to describe new artifical defs.
5721 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5722 (entry_block_defs): New field in struct df.
5723 (df_all_hard_regs): Deleted.
5724 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5725 * df-problems.c (df_ru_bb_local_compute_process_def):
5726 Added code to handle artifical defs in the entry to a function.
5727 (df_ru_bb_local_compute): Ditto.
5728 (df_rd_bb_local_compute_process_def): Ditto.
5729 (df_rd_bb_local_compute): Ditto.
5730 (df_lr_bb_local_compute): Ditto.
5731 (df_ur_bb_local_compute): Ditto.
5732 (df_urec_bb_local_compute): Ditto.
5733 (df_chain_create_bb): Ditto.
5734 (df_ur_local_finalize): Removed entry.
5735 (df_urec_init): Ditto.
5736 (df_urec_local_finalize): Ditto.
5737 (df_ri_bb_compute): Added detection of last use of pseudos.
5738 * Makefile.in (df-scan.o): Updated dependencies.
5739 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5740 * config/mips/mips.c (mips_set_live_on_entry): Added.
5741 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5743 * dce.c (marked_insn_p): Added code to handle artifical defs.
5745 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5747 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5749 (_mm_cvtsi128_si64): Likewise.
5750 (_mm_cvtsd_si64): Likewise.
5751 (_mm_cvttsd_si64): Likewise.
5752 (_mm_cvtsi64_sd): Likewise.
5753 (_mm_cvtsi64_si128): Likewise.
5754 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5755 (_mm_cvtsi64_m64): Likewise.
5756 (_m_to_int64): Likewise.
5757 (_mm_cvtm64_si64): Likewise.
5758 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5759 (_mm_cvttss_si64): Likewise.
5760 (_mm_cvtsi64_ss): Likewise.
5761 (_mm_cvtss_f32): Likewise.
5763 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5765 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5766 for pragma redefine_extname.
5768 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5771 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5772 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5773 -mno-minimal-toc to previous content.
5774 (bispecs): Remove goal.
5775 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5776 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5777 compatibility aliases on powerpc-*-*gnu*.
5778 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5779 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5780 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5781 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5782 (ldblspecs): New goal.
5783 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5784 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5786 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5787 L_sf_to_tf or L_df_to_tf is defined.
5789 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5790 Alan Modra <amodra@bigpond.net.au>
5793 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5794 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5795 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5796 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5797 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5798 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5799 (rs6000_override_options): Initialize rs6000_ieeequad.
5800 Initialize TFmode format to ibm_extended_format if not
5802 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5804 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5805 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5806 (function_arg_advance): IBM long double passed in two FPRs, not
5808 (function_arg): IBM long double passed in FPRs.
5809 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5810 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5811 Only multireg GPR aligned.
5812 (rs6000_init_libfuncs): Enable IBM long double functions if not
5814 (rs6000_generate_compare): Use IBM long double compare if not
5816 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5817 (TARGET_IEEEQUAD): Define.
5818 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5819 not TARGET_IEEEQUAD.
5820 * config/rs6000/rs6000.md: Enable TFmode patterns if
5822 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5823 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5824 and -mlong-double-128 are incompatible.
5825 * doc/invoke.texi (-mabi): Collect options together. Add
5826 ibmlongdouble and ieeelongdouble.
5828 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5830 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5832 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5833 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5834 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5835 * rtl.h (rtunion_def): Remove rt_ptr.
5837 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5838 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5839 * config/i386/winnt.c (i386_pe_mark_dllexport)
5840 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5842 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5844 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5846 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5850 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5851 pthread_key_delete. From John David Anglin. gthrw-ify
5852 pthread_getunique_np only if it it's not a macro. Delete
5854 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5855 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5856 __gthread_objc_condition_signal, __gthread_key_delete): Add
5857 "__attribute__ ((__unused__))" to unused arguments.
5858 (__gthread_recursive_mutex_init_function): Add missing return.
5859 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5860 gthr-posix95.h: Use macro-based approach for name redirection
5861 on targets missing weakref.
5863 2006-01-26 Zack Weinberg <zackw@panix.com>
5865 * genconditions.c (write_header): In generated code, #ifdef out
5866 all includes and fake declarations, except includes of bconfig.h
5867 and system.h, unless GCC_VERSION >= 3001. Do not include
5868 gensupport.h in any case.
5869 (write_conditions): Generate a definition of struct c_test. Add
5870 a comment to the generated #endif.
5871 (write_one_condition): Escape backslashes in string too.
5872 (write_writer): Generated code must escape backslashes and quote
5873 marks (but not newlines) in the strings it writes.
5874 * Makefile.in (build/gencondmd.o): Update dependencies.
5876 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5879 * Makefile.in (insn-automata.o): Add header file dependencies.
5880 * genautomata.c: Add includes.
5882 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5885 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5887 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5889 * configure.ac: Expect target tools paths to be passed from the toplevel
5890 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5892 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5894 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5897 * c.opt (Wpointer-sign): Init to -1.
5898 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5899 OPT_pedantic, to 0 otherwise.
5900 * doc/invoke.texi: Update.
5902 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5904 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5905 constants provided by 80387 instructions in the destination mode.
5907 2006-01-26 Richard Guenther <rguenther@suse.de>
5908 Andrew Pinski <pinskia@physics.uc.edu>
5911 partial PR tree-opt/17064
5912 * tree-ssa-structalias.c (intra_create_variable_infos):
5913 Create heap variables for incoming parameters if
5914 flag_argument_noalias > 1.
5915 (find_what_p_points_to): Look through default defs of
5918 2006-01-26 Jeff Law <law@redhat.com>
5921 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5922 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5923 within the VR_RANGE, use the VR_RANGE as the result, not the
5925 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5926 bounds for the type.
5928 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5930 * tree-ssa-alias.c (maybe_create_global_var): Change
5931 subvar walking to an assertion that we don't have subvar'd variables.
5933 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5936 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5937 Use a new variable, inner. PARM_DECLs are always non-weak.
5939 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5941 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5944 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5946 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5948 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5950 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5951 (smax_insn, smin_insn, smax_0, smin_0): New.
5953 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5956 * config/cris/cris.c (cris_order_for_addsi3): New function.
5957 * config/cris/cris-protos.h: Prototype it.
5958 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5959 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5960 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5961 (split for "op.S1 [rx=rx+i],ry (swapped)")
5962 (split for "op(s|u).S1 [rx=rx+i],ry")
5963 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5964 Apply cris_order_for_addsi3 when generating addsi3 insns.
5966 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5968 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5969 (TREE_BLOCK): Add call to EXPR_CHECK.
5971 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5974 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5975 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5976 (dump_omp_clauses): ... here.
5977 (dump_generic_node): Handle OMP_CLAUSE.
5978 * tree.c (omp_clause_num_ops): New.
5979 (omp_clause_code_name): New.
5980 (tree_code_size): Handle OMP_CLAUSE.
5981 (tree_size): Likewise.
5982 (make_node): Document handling of OMP_CLAUSE.
5983 (tree_node_structure): Handle OMP_CLAUSE.
5984 (omp_clause_check_failed): New.
5985 (omp_clause_range_check_failed): New.
5986 (omp_clause_operand_check_failed): New.
5987 (build_omp_clause): New.
5988 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5989 * tree.h (enum omp_clause_code): Declare.
5990 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5991 (OMP_CLAUSE_RANGE_CHECK): Define.
5992 (OMP_CLAUSE_ELT_CHECK): Define.
5993 (omp_clause_check_failed): Declare.
5994 (omp_clause_operand_check_failed): Declare.
5995 (omp_clause_range_check_failed): Declare.
5996 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5997 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5998 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5999 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6000 (OMP_CLAUSE_IF_EXPR): Likewise.
6001 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6002 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6003 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6004 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6005 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6006 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6007 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6008 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6009 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6010 (OMP_CLAUSE_CODE): Define.
6011 (OMP_CLAUSE_SET_CODE): Define.
6012 (OMP_CLAUSE_CODE): Define.
6013 (OMP_CLAUSE_OPERAND): Define.
6014 (struct tree_omp_clause): Declare.
6015 (union tree_node): Add field 'omp_clause'.
6016 * treestruct.def (TS_OMP_CLAUSE): Define.
6017 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6018 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6019 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6020 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6021 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6022 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6023 (OMP_CLAUSE): Define.
6024 * print-tree.c (print_node): Handle OMP_CLAUSE.
6025 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6026 * c-typeck.c: Likewise.
6027 * gimplify.c: Likewise.
6028 * c-omp.c: Likewise.
6029 * tree-nested.c: Likewise.
6030 * tree-inline.c: Likewise.
6031 * c-parser.c: Likewise.
6032 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6035 2006-01-25 Roger Sayle <roger@eyesopen.com>
6037 PR rtl-optimization/25703
6038 * combine.c (try_combine): Handle zero_extract and strict_low_part
6039 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6041 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6043 * global.c: Fix comment typos.
6045 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6048 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6049 Use output_addr_const instead of assemble_name.
6051 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6053 * Makefile.in (sched-vis.o): Update dependencies.
6054 * haifa-sched.c (sched_finish): Clear current_sched_info.
6055 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6056 (dump_flow_info): Call it.
6057 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6059 * basic-block.h (dump_bb_info): Declare.
6060 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6061 option, and apply options only for dump files whose TDF_RTL,
6062 TDF_TREE, or TDF_IPA bits match.
6063 * rtl.h: Declare new functions exported from sched-vis.c.
6064 * sched-vis.c: Enable also if scheduling is not used.
6065 (print_value): Print the mode of registers if not inside scheduling.
6066 (print_insn): Make it work outside the scheduler. Beautify the output
6068 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6070 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6072 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6073 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6074 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6075 depending on the value of CONSTANT_POOL_ADDRESS_P.
6076 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6078 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6079 rather than SYMBOL_REF_DECL.
6080 (rtx_constant_pool): Remove const_rtx_sym_htab.
6081 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6082 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6083 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6084 Remove handling of const_rtx_sym_htab.
6085 (find_pool_constant): Delete.
6086 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6087 rather than find_pool_constant.
6088 (get_pool_constant_for_function): Delete.
6089 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6091 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6092 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6093 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6094 (SYMBOL_REF_CONSTANT): New macro.
6095 (get_pool_constant_for_function): Delete.
6096 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6097 rather than SYMBOL_REF_DECL.
6098 (i386_pe_mark_dllimport): Likewise.
6099 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6100 rather than SYMBOL_REF_DECL.
6101 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6102 (machopic_indirect_call_target): Likewise.
6104 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6106 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6108 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6110 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6112 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6114 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6116 2006-01-24 David Daney <ddaney@avtrex.com>
6119 * configure.ac (enable_tls): New enable option.
6120 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6121 * configure: Regenerate.
6122 * doc/install.texi (--enable-tls): Document new option.
6123 (--disable-tls): Ditto.
6125 2006-01-24 Richard Henderson <rth@redehat.com>
6127 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6128 * alias.c (true_dependence): Respect it.
6129 (canon_true_dependence, write_dependence_p): Likewise.
6130 * builtins.c (get_builtin_sync_mem): Set it.
6132 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6134 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6137 2006-01-24 DJ Delorie <dj@redhat.com>
6139 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6140 for storing constants in single-bit bitfields.
6142 2006-01-25 Ben Elliston <bje@au.ibm.com>
6144 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6146 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6149 * tree-ssa-pre.c (phi_translate): Return NULL
6150 for AGGREGATE_TYPE's.
6152 2006-01-24 Zack Weinberg <zackw@panix.com>
6154 * genautomata.c (process_state_for_insn_equiv_partition):
6155 Use xcalloc for insn_arcs_array.
6156 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6157 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6159 2006-01-24 Richard Henderson <rth@redhat.com>
6161 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6164 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6166 PR rtl-optimization/25890
6167 PR rtl-optimization/25905
6168 * combine.c (expand_compound_operation, expand_field_assignment):
6169 Fail if the bitfield's final position is out of bounds.
6171 2006-01-24 Ian Lance Taylor <ian@airs.com>
6174 * cgraphunit.c (cgraph_output_in_order): Don't clear
6175 cgraph_asm_nodes until after asm strings have been output.
6177 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6179 * fix-header.c (read_scan_file): Add new parameter imultilib when
6180 calling register_include_chains.
6182 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6184 * omp-low.c: Update documentation.
6186 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6187 Daniel Berlin <dberlin@dberlin.org>
6191 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6192 return from the function.
6194 2006-01-22 Zack Weinberg <zackw@panix.com>
6196 * rtl.def (match_code): Add second argument.
6197 * genpreds.c (write_extract_subexp): New function.
6198 (write_match_code): Add path argument. Use write_extract_subexp.
6199 (write_predicate_expr): Pass path to write_match_code.
6200 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6201 not perform a mode test.
6202 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6203 a subexpression does not constrain the top-level code set.
6204 * read-rtl.c (read_rtx_variadic): New function.
6205 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6206 * doc/md.texi: Document new notation.
6207 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6208 (cmpsi_operand): ... here, using new notation.
6210 2006-01-22 Zack Weinberg <zackw@panix.com>
6212 * varray.c: Remove GENERATOR_FILE #ifdefs.
6214 2006-01-22 Zack Weinberg <zackw@panix.com>
6216 * genautomata.c (output_reserved_units_table): Emit nothing if
6217 description->query_units_num is zero. Remove extra blank line.
6218 (output_cpu_unit_reservation_p): Short circuit
6219 if description->query_units_num is zero.
6221 2006-01-22 Zack Weinberg <zackw@panix.com>
6223 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6224 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6225 nor any of the random handful of variables that used to be necessary
6226 when this program was linked with rtlanal.o. Prune set of forward
6227 function declarations.
6228 (struct attr_desc): Remove static_p field.
6229 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6230 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6231 (attr_string): Do not read the character one past the length of
6233 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6234 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6235 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6236 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6237 (make_automaton_attrs): New.
6238 (main): Do not call into genautomata. Call local gen_bypass
6239 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6240 Remove special case for insn_alts.
6241 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6242 varray.h (leftover from previous change). Prune set of forward
6243 function declarations. Remove state_alts fields from all
6244 structures. Remove state_alts_table from struct automaton.
6245 Make everything except main static. Do not maintain num_dfa_decls.
6246 Do not maintain state_alts fields of various structures.
6247 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6248 (add_arc): Remove state_alts argument. All callers updated.
6249 (output_reserved_units_table): Emit #ifdef here...
6250 (output_tables): ...not here. Don't generate state_alts tables.
6251 (expand_automata): Don't generate attributes.
6252 (write_automata): Don't generate state_alts functions.
6253 (main): New function.
6254 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6255 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6256 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6257 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6258 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6259 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6260 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6261 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6263 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6264 * genattrtab.h: Delete file.
6265 * Makefile.in (OBJS-common): Add insn-automata.o.
6266 (insn-automata.o): New rule.
6267 (simple_generated_c): Add insn-automata.c.
6268 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6269 (genprogmd): Add automata.
6270 (build/genattrtab): Needs no extra objects nor libraries.
6271 (build/genautomata): Needs build/vec.o and -lm.
6273 2006-01-22 Zack Weinberg <zackw@panix.com>
6275 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6276 (output_dfa_max_issue_rate, locked_states_num): Delete.
6277 (struct automaton): Add locked_states field.
6278 (output_dead_lock_vect): Save number of locked states in
6279 automaton->locked_states. If it is zero, don't print anything.
6280 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6281 (output_internal_dead_lock_func): Only test the dead_lock_vect
6282 for automata that have locked states.
6283 (output_statistics): Always print the number of locked states for
6284 each automaton. Calculate total number of locked states here.
6285 (write_automata): Don't call output_dfa_max_issue_rate.
6286 * genattrtab.c: Define length_unit_log as a const variable.
6287 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6288 max_insn_queue_index const.
6289 * final.c (length_unit_log): Declare const.
6290 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6292 2006-01-22 Zack Weinberg <zackw@panix.com>
6294 * genautomata.c: Include vec.h, not varray.h.
6295 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6296 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6297 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6298 VEC_* macros operating on appropriately typed vectors, or to
6299 malloced arrays when the size is known in advance. Const-ify
6300 many char* variables and function arguments. No functional changes.
6301 * Makefile.in (build/varray.o): Delete rule.
6302 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6303 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6305 2006-01-22 Zack Weinberg <zackw@panix.com>
6307 * gensupport.c: Define get_insn_name and record_insn_name here.
6308 (read_md_rtx): Call record_insn_name as appropriate.
6309 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6310 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6311 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6313 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6314 (BUILD_VARRAY): Delete.
6315 (genprognormal): Rename genprogmd. Fold in all programs from
6316 genprognoprint; also attrtab.
6317 (build/genattrtab): Just mention genautomata.o and varray.o.
6318 Reorganize a bit, add comments to make the categories clearer.
6320 2006-01-22 Zack Weinberg <zackw@panix.com>
6322 * genconditions.c (condition_table, add_condition): Delete.
6323 (write_conditions): Don't emit n_insn_conditions nor
6324 insn_elision_unavailable. Issue the gcc version #ifdef here,
6325 inside the table, with no #else clause ...
6326 (write_header): ...not here.
6327 (write_writer): New function.
6328 (main): Don't initialize condition_table. Use add_c_test.
6330 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6331 files on the command line.
6332 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6333 Return -1 if there is no entry in the table, don't abort.
6334 (add_c_test, traverse_c_tests): New functions.
6335 * gensupport.h (insn_elision_unavailable, insn_conditions)
6336 (n_insn_conditions): Delete declarations.
6337 (add_c_test, traverse_c_tests): Declare.
6338 * read-rtl.c: Include gensupport.h.
6339 (read_conditions): New function.
6340 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6341 (read_rtx_1): If we get EOF when we were looking for an initial
6342 open paren, return 0. Call read_conditions when appropriate.
6343 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6344 dummy-conditions.o. Eliminate references to insn-conditions.o,
6345 or change them to build/gencondmd.o, as appropriate. Remove
6346 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6347 from $(simple_generated_c). For all files remaining in those
6348 two lists, add insn-conditions.md to the generator command line.
6349 Give insn-constants.h/s-constants their own rules. Add rules
6350 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6351 (build/read-rtl.o): Depend on gensupport.h.
6352 (genprognormal): Include preds.
6353 (genprogearly): Rename genprognoprint; only difference is now that
6354 they don't link with $(BUILD_PRINT).
6355 * dummy-conditions.c: Delete.
6357 2006-01-22 Zack Weinberg <zackw@panix.com>
6359 * genextract.c: Don't include insn-config.h. Do include vec.h.
6360 Declare vectors of int, char, and locstr.
6361 (locstr): New typedef.
6362 (struct extraction): Make all array fields into bare pointers.
6363 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6364 (insn_code_number): Delete.
6365 (accum_extract): New struct.
6366 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6367 (gen_insn): Take insn_code_number as an argument. Use an
6368 accum_extract structure instead of loading data directly into
6369 a struct extraction, and having to know how big it might get.
6370 (walk_rtx): Operate entirely on an accum_extract structure.
6371 (print_path): Avoid unnecessary use of printf.
6372 (print_header): New function, split out of main. Distinguish
6373 more carefully between an unrecognizable insn and an insn that
6374 has the code number of a define_expand.
6375 (main): Pass insn_code_number to gen_insn. Call print_header
6376 only after parsing. Avoid unnecessary use of printf.
6377 * Makefile.in (build/vec.o): New rule.
6378 (build/genextract): Depend on build/vec.o.
6379 (build/genextract.o): Don't depend on insn-config.h.
6381 2006-01-22 Zack Weinberg <zackw@panix.com>
6383 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6384 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6385 practical. Eliminate per-generator-program link rules.
6387 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6390 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6391 with a call expr to ...
6392 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6394 2006-01-23 Richard Guenther <rguenther@suse.de>
6396 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6397 before make_edge with conditional EDGE_TRUE_VALUE.
6399 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6400 Jan Hubicka <jh@suse.cz>
6401 Richard Guenther <rguenther@suse.de>
6403 PR rtl-optimization/25654
6404 * cfgexpand.c (aggregate_contains_union_type): New function.
6405 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6406 for structure variables that contain a union type.
6408 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6410 * gengtype.c (new_structure): Return the structure.
6411 (create_option): Add an extra "next" argument.
6412 (create_field): New function.
6413 (adjust_field_rtx_def): Use create_option and create_field.
6414 Remove a now-unnecessary call to find_structure.
6415 (adjust_field_tree_def): Likewise.
6416 (note_yacc_type): Remove an unnecessary call to find_structure.
6417 * gengtype.h (new_structure): Return the structure.
6418 (create_option): Add an extra argument.
6419 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6420 (option): Adjust calls to create_option.
6422 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6424 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6426 2006-01-22 Paul Brook <paul@codesourcery.com>
6427 Peter Barada <peter@the-baradas.com>
6429 * config/m68k/m68k.md: Add Coldfire FPU support.
6430 Define FP mode macro and associated attributes.
6431 Use it for float mode patterns.
6432 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6433 (LIBCALL_VALUE): Use m68k_libcall_value.
6434 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6435 (m68k_function_value): Ditto.
6436 (emit_move_sequence): Ditto.
6437 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6438 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6439 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6440 (MULTILIB_EXCEPTIONS): Ditto.
6441 * config/m68k/m68k.opt: Add mcfv4e.
6442 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6443 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6444 (m68k_output_function_prologue): Save ColdFire FPU registers.
6445 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6446 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6447 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6448 ColdFire FPU registers.
6449 (m68k_libcall_value, m68k_function_value): New functions.
6450 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6451 (LIBCALL_VALUE): Use m68k_libcall_value.
6452 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6453 (MASK_COLDFIRE): Add MASK_CFV4E.
6454 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6455 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6456 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6457 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6458 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6459 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6460 * doc/invoke.tex: Document -mcfv4e on m68k.
6462 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6464 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6467 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6470 * c-opts.c (c_common_handle_option): Don't include
6471 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6472 * doc/invoke.texi (C++ Dialect Options): Document that
6473 -Wnon-virtual-dtor is no longer included in -Wall.
6475 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6477 * gcov.c (print_version), gcov-dump.c (print_version),
6478 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6481 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6483 * df-scan.c (problem_SCAN): Added NULL reset function.
6484 (df_scan_reset_blocks): Added code to call reset block function
6485 (df_bb_refs_delete) Fixed comment.
6486 (df_insn_refs_delete): Made tolerant of deleting non existent info
6487 for dataflow problems that need to be reset.
6488 * df-core.c (df_set_blocks): Ditto.
6489 * df.h (struct df_problem): Added reset_fun.
6490 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6491 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6492 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6493 functions to clear out all references to def-use or use-def chains.
6495 2006-01-21 Ben Elliston <bje@au.ibm.com>
6497 * varasm.c (assemble_real): Initialise data array.
6499 2006-01-20 Paul Brook <paul@codesourcery.com>
6501 Merge from csl-arm-branch.
6502 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6503 * config/arm/arm.md (movdi): Force operands[1] to a register
6504 if we have a non-register source.
6505 (*arm_movdi, *movdf_soft_insn): Require that one of the
6506 operands be a register.
6507 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6508 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6510 2006-01-20 DJ Delorie <dj@redhat.com>
6512 * varasm.c (initialize_constant_valid_p): Allow pointers
6513 initialized from integer constants of lesser precision.
6514 (output_constant): Allow non-int-sized pointer modes to be
6515 initialized from integer constants.
6517 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6520 * cppdefault.h (struct default_include): Add multilib flag.
6521 * cppdefault.c (cpp_include_defaults): Set it.
6522 * c.opt (-imultilib): New option.
6523 * c-opts.c (imultilib): New.
6524 (c_common_handle_option): Handle -imultilib.
6525 (c_common_post_options): Likewise.
6526 * c-incpath.c (add_standard_paths, register_include_chains):
6528 * c-incpath.h (register_include_chains): Add extra parameter.
6529 * gcc.c (do_spec_1): Generate -imultilib option.
6530 (The Specs Language): Update %I description.
6531 (process_command): Update copyright notice.
6532 * doc/cppopts.texi (-imultilib): Document.
6533 * doc/invoke.texi (-imultilib): Include in option summary.
6534 (%I): Update specs documentation.
6536 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6538 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6540 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6542 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6545 2006-01-20 Richard Guenther <rguenther@suse.de>
6546 Steven Bosscher <stevenb.gcc@gmail.com>
6548 PR rtl-optimization/24626
6549 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6550 EDGE_TRUE_VALUE if in RTL mode.
6553 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6554 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6556 2006-01-20 Dirk Mueller <dmueller@suse.com>
6559 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6560 instead of a special NOP marker.
6561 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6562 NOP marker handling.
6563 * c-common.h (empty_body_warning): Add forward declaration.
6564 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6565 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6567 2006-01-20 Paul Brook <paul@codesourcery.com>
6569 * Makefile.in (lang_checks): Keep going if mkdir fails.
6571 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6573 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6574 be able to clean out basic block when not necessary.
6575 (df_scan_free): Fixed to properly delete information if df is
6576 unused before calling df_finish.
6577 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6578 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6580 (df_bb_refs_delete): New function.
6581 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6582 * df-core.c (df_set_blocks): Added code to properly clean out
6583 unused blocks if they are not part of the blocks to consider.
6584 Added additional null check.
6585 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6586 be able to clean out basic block when not necessary
6587 * df.h (df_free_bb_function): Ditto.
6588 (df_bb_refs_delete): New function.
6589 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6590 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6591 basic block parameter to be able to clean out basic block when not
6593 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6594 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6595 Fixed to properly delete information if df is unused before
6598 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6600 PR rtl-optimization/25799
6601 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6602 Corrected confluence operator to remove bits from op2 before oring
6603 with op1 rather than removing bits from op1.
6604 (df_ru_transfer_function): Corrected test on wrong bitmap which
6605 caused infinite loop. Both of these problems were introduced in
6606 the dataflow rewrite.
6608 2006-01-19 DJ Delorie <dj@redhat.com>
6610 * reload1.c (find_reload_regs): Note the details of reload
6611 failures in the dump file.
6612 (spill_failure): Likewise.
6614 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6616 * loop-iv.c: Include df.h and hashtab.h.
6617 (enum iv_grd_result): New enum.
6618 (DF_REF_IV, DF_REF_IV_SET): New macros.
6619 (struct biv_entry): New.
6620 (df, bivs): New global variables.
6621 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6622 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6624 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6625 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6626 analyzed_for_bivness_p, record_biv): New functions.
6627 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6628 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6629 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6631 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6633 (iv_number_of_iterations): Use new interface to iv analysis.
6634 * loop-unroll.c: Do not include varray.h.
6635 (analyze_iv_to_split_insn): Use new interface to iv
6637 * loop-unswitch.c (may_unswitch_on): Ditto.
6638 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6640 (df_bb_modify): Realloc tables to the new index.
6641 (df_find_use): New function.
6642 * df.h (df_find_use): Declare.
6643 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6645 * cfgloop.h (struct rtx_iv): Remove analysed field.
6646 (iv_get_reaching_def): Removed.
6647 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6648 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6649 (loop-iv.o): Add df.h and hashtab.h dependency.
6650 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6652 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6655 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6657 (__floatundisf, __floatundidf): Likewise.
6658 * libgcc2.h (IS_IBM_EXTENDED): Define.
6660 2006-01-19 DJ Delorie <dj@redhat.com>
6662 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6664 2006-01-19 Paul Brook <paul@codesourcery.com>
6666 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6667 as nothrow when unwinding tables are disabled.
6669 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6672 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6673 of bit-field" when in system header.
6675 2006-01-19 DJ Delorie <dj@redhat.com>
6677 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6678 the 16 bit shift limit of the m16c.
6680 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6683 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6684 * config/i386/i386.c (output_set_got): Output the label if we have one
6685 for the TARGET_DEEP_BRANCH_PREDICTION case.
6687 2006-01-19 Jan Hubicka <jh@suse.cz>
6688 H.J. Lu <hongjiu.lu@intel.com>
6689 Evandro Menezes <evandro.menezes@amd.com>
6691 * invoke.texi (generic): Document
6693 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6694 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6695 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6696 (x86_use_incdec, x86_pad_returns): New variables
6697 (TARGET_CPU_DEFAULT_generic): New constant
6698 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6699 (enum processor_type): Add generic32 and generic64.
6700 * i386.md (cpu attribute): Add generic32/generic64
6701 (movhi splitter): Behave sanely when both partial_reg_dependency and
6702 partial_reg_stall are set.
6703 (K8 splitters): Enable for generic as well.
6704 * predicates.md (incdec_operand): Use TARGET_INCDEC
6705 (aligned_operand): Avoid memory mismatch stalls.
6706 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6707 * ppro.md: Enable for generic32
6708 * i386.c (generic64_cost, generic32_cost): New.
6709 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6710 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6711 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6712 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6713 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6714 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6715 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6716 x86_accumulate_outgoing_args, x86_prologue_using_move,
6717 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6718 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6720 (x86_use_incdec, x86_pad_returns): New.
6721 (override_options): Add generic32 and generic64, translate "generic"
6722 to generic32/generic64 and "i686" to "generic32", refuse
6723 "generic32"/"generic64" as arch target.
6724 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6725 (ix86_reorg): Honor PAD_RETURNS.
6727 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6729 * tree-pretty-print.c (dump_generic_node): Handle
6730 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6731 * cgraph.c (cgraph_expand_queue): Rename from
6732 cgraph_analyze_queue. Update all users.
6733 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6734 cgraph_expand_queue.
6735 (cgraph_expand_all_functions): Likewise.
6736 (cgraph_finalize_pending_functions): Remove. Update callers.
6738 * tree.h (OMP_DIRECTIVE_P): Define.
6739 (OMP_PARALLEL_FN): Define.
6740 (OMP_PARALLEL_DATA_ARG): Define.
6741 (OMP_SECTIONS_SECTIONS): Define.
6742 * tree-pass.h (pass_expand_omp): Declare.
6743 * omp-low.c (struct omp_region): Declare.
6744 (struct omp_context): Remove fields 'parallel_type',
6745 'parallel_start_ix' and 'parallel_start_additional_args'.
6747 (struct omp_for_data): Rename from struct expand_omp_for_data.
6748 (omp_regions): New static variable.
6749 (root_omp_region): New static variable.
6750 (find_omp_clause): Make static.
6751 (is_in_combined_parallel_ctx): Remove.
6752 (is_combined_parallel): New.
6753 (extract_omp_for_data): Move earlier in the file.
6754 (workshare_safe_to_combine_p): New.
6755 (get_ws_args_for): New.
6756 (determine_parallel_type): Move earlier in the file.
6757 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6759 (omp_copy_decl): Likewise.
6760 (create_omp_child_function): Likewise.
6761 (lookup_omp_region): New.
6762 (dump_omp_region): New.
6763 (debug_omp_region): New.
6764 (debug_all_omp_regions): New.
6765 (new_omp_region): New.
6766 (scan_omp_parallel): If parallel_nesting_level > 1, the
6767 directive is nested within another parallel directive.
6768 Set OMP_PARALLEL_FN.
6769 (scan_omp_for): Do not try to handle combined parallel+for
6771 Remove FIXME comment.
6772 (scan_omp_nested): Remove.
6773 (scan_omp_1): Do not call scan_omp_nested when
6774 parallel_nesting_level is > 1.
6775 Do not change the DECL_CONTEXT of local variables found.
6776 (lookup_decl_in_outer_ctx): New.
6777 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6778 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6779 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6780 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6781 If CTX is nested, lookup VAR in the outer context when
6782 building copy assignment.
6783 (lower_send_clauses): Rename from expand_send_clauses.
6784 If CTX is nested, lookup VAR in the outer context when
6785 building copy assignments.
6786 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6787 If CTX is nested, lookup VAR in the outer context when
6788 building copy assignments.
6789 (expand_parallel_call): Rename from build_parallel_call.
6790 Handle combined parallel+workshare cases.
6791 Re-implement to emit code into the CFG.
6793 (expand_omp_parallel): Re-implement to emit code into the CFG.
6794 Call move_sese_region_to_fn to outline the sub-graph
6795 containing the parallel region.
6796 (expand_omp_for_1): Remove.
6797 (expand_omp_for_generic): Re-implement to emit code into the
6799 (expand_omp_for_static_nochunk): Likewise.
6800 (expand_omp_for_static_chunk): Likewise.
6801 (expand_omp_for): Likewise.
6802 (expand_omp_sections): Likewise.
6803 (remove_exit_barriers): New.
6804 (expand_omp_synch): New.
6806 (build_omp_regions_1): New.
6807 (build_omp_regions): New.
6808 (execute_expand_omp): New.
6809 (gate_expand_omp): New.
6810 (pass_expand_omp): Define.
6811 (lower_omp_sections): Rename from expand_omp_sections.
6812 Set OMP_SECTIONS_SECTIONS.
6813 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6814 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6815 (lower_omp_single): Rename from expand_omp_simple.
6816 (lower_omp_master): Rename from expand_omp_master.
6817 (lower_omp_ordered): Rename from expand_omp_ordered.
6818 (lower_omp_critical): Rename from expand_omp_critical.
6819 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6820 (lower_omp_for): Re-implement.
6821 (lower_omp_parallel): Re-implement.
6822 (lower_regimplify): Rename from expand_regimplify.
6823 (lower_omp_1): Rename from expand_omp_1.
6824 If there are syntax errors in the program, replace every
6825 OpenMP directive with NOP.
6826 Call lower_omp_* instead of expand_omp_*.
6827 (lower_omp): Rename from expand_omp.
6829 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6830 * tree-gimple.h (enum omp_parallel_type): Remove.
6831 (gimple_boolify): Declare extern.
6832 (find_omp_clause, determine_parallel_type): Remove.
6834 * gimple-low.c (lower_omp_directive): New.
6835 (lower_stmt): Call it.
6836 (record_vars_into): Move from ...
6837 (record_vars): ... here.
6838 Call record_vars_into with current_function_decl.
6840 * gimplify.c (struct gimplify_ctx): Remove fields
6841 combined_pre_p and combined_ctxp. Update users.
6842 (get_formal_tmp_var): Add documentation.
6843 (gimple_boolify): Make extern.
6844 (gimplify_expr_in_ctx): Remove. Update callers.
6845 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6846 will always be a BIND_EXPR.
6847 (gimplify_expr): Handle OMP_RETURN_EXPR.
6848 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6849 (OMP_PARALLEL): Add 3 operands.
6850 (OMP_SECTIONS): Add 1 operand.
6851 (OMP_RETURN_EXPR): Define.
6853 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6854 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6855 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6856 creating a circular free list.
6857 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6859 * tree-flow.h (move_sese_region_to_fn): Declare.
6860 (record_vars_into): Declare.
6861 * tree-cfg.c (make_omp_sections_edges): New.
6862 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6863 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6864 OMP_SECTIONS and OMP_SECTION.
6865 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6866 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6867 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6868 (gather_blocks_in_sese_region): New.
6869 (struct move_stmt_d): Declare.
6871 (move_block_to_fn): New.
6872 (move_sese_region_to_fn): New.
6874 * passes.c (init_optimization_passes): Schedule
6875 pass_expand_omp after pass_init_datastructures.
6877 * tree-ssa-operands.c (get_expr_operands): Handle
6878 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6879 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6881 2006-01-19 Jeff Law <law@redhat.com>
6883 * tree-vrp.c (extract_range_from_assert): Refine the result range
6884 if the variable referenced by the ASSERT_EXPR has a range and
6885 either the tentative result range or the previous range is a
6888 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6890 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6892 2006-01-19 Jan Hubicka <jh@suse.cz>
6894 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6896 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6898 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6899 (expand_compound_operation, expand_field_assignment): Fail if the
6900 bit lengths of an extract operation are out of range.
6901 (make_extraction): Compute wanted_inner_mode based on the position
6902 and length of the extraction. Make it extraction_mode for non-constant
6903 positions, and do not modify offset in that case. When generating a
6904 new MEM, use a mode that can hold the extraction while keeping correct
6905 alignment. Remove code that supported MEMs wrapped by USEs.
6906 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6908 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6910 * config/s390/s390.md ("Y", "y"): New mode attribute.
6911 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6912 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6913 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6914 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6915 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6916 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6917 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6918 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6919 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6920 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6921 "addsi3", "subsi3"): Insn patterns removed.
6922 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6923 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6924 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6925 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6926 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6927 "*sub<mode>3_cconly2"): New insn patterns.
6928 ("addsi3", "subsi3"): New expanders.
6930 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6932 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6933 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6934 existing STMT_VINFO_VECTYPE if available.
6935 (vect_mark_relevant): Add special handling for stmts that are
6936 marked as STMT_VINFO_IN_PATTERN_P.
6937 (vect_analyze_loop): Call vect_pattern_recog.
6938 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6939 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6941 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6942 (vect_recog_func_ptr): New function-pointer type.
6943 * tree-vect-patterns.c: New file.
6944 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6945 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6946 (vect_pattern_recog_1): New functions.
6947 (vect_pattern_recog_funcs): New array of function pointers.
6949 * tree-vectorizer.h (ternary_op): New enum value.
6950 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6951 declaration. Revised documentation. Removed redundant dump prints.
6952 Removed redundant argument. Added support for reduction patterns.
6953 (vectorizable_reduction): Added support for reduction patterns.
6954 (vect_transform_stmt): Added support for patterns.
6956 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6957 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6958 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6959 (expand_widen_pattern_expr): New function.
6960 (init_optabs): Initialize new optabs udot_prod_optab,
6962 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6963 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6964 (expand_widen_pattern_expr): New function declaration.
6965 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6967 * tree-inline.c (estimate_num_insns_1): Added cases for new
6968 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6969 * tree-pretty-print.c (dump_generic_node): Likewise.
6970 (op_prio): Likewise.
6971 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6972 * tree-ssa-operands.c (get_expr_operands): Added case for
6974 * tree-vect-patterns.c (widened_name_p): New function.
6975 (vect_recog_dot_prod_pattern): Added function implementation.
6976 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6977 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6978 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6979 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6981 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6982 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6983 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6984 (init_optabs): Initialize new optabs widen_ssum_optab,
6986 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6987 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6988 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6989 use instead of type of def.
6990 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6991 function implementation.
6992 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6993 widen_ssumv8hi): New.
6995 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6998 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7001 * c-decl.c (add_flexible_array_elts_to_size): New function.
7002 (finish_decl): Use it.
7004 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7006 * diagnostic.h: Include options.h.
7007 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7008 dependancies for diagnostic.h.
7009 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7011 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7013 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7014 (ssa_ro_call_cache_valid): Ditto.
7015 * tree-ssa-alias.c (sort_tags_by_id): New function.
7016 (init_transitive_clobber_worklist): Ditto.
7017 (add_to_worklist): Ditto.
7018 (mark_aliases_call_clobbered): Ditto.
7019 (compute_tag_properties): Ditto.
7020 (set_initial_properties): Ditto.
7021 (compute_call_clobbered): Ditto.
7022 (compute_may_aliases): Call compute_call_clobbered and grouping.
7023 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7024 (compute_flow_insensitive_aliasing): Grouping now happens in our
7026 (setup_pointers_and_addressables): Remove clobbering related code.
7027 (add_may_alias): Ditto.
7028 (replace_may_alias): Ditto.
7029 (get_nmt_for): Ditto.
7030 (create_global_var):
7031 (is_escape_site): Return an escape_type enumeration.
7032 * tree-flow-inline.h (is_call_clobbered): Global var does not
7033 imply call clobbered.
7034 (mark_call_clobbered): Take a reason for marking this. Remove
7035 marking of globalness, and cache invalidation.
7036 (clear_call_clobbered): Remove cache invalidation code.
7037 * tree-dfa.c (dump_variable): If details is on, dump the reason
7039 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7041 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7042 (struct var_ann_d): Ditto.
7043 (enum escape_type): New.
7044 (mark_call_clobbered): Adjust prototype.
7045 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7046 are never call clobbered.
7047 Record reasons for escaping.
7048 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7049 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7050 (ssa_ro_call_cache_valid): Ditto.
7051 (clobbered_v_may_defs): Ditto.
7052 (clobbered_vuses): Ditto.
7053 (ro_call_vuses): Ditto.
7054 (clobber_stats): New.
7055 (init_ssa_operands): Zero out clobber stats.
7056 (fini_ssa_operands): Print out clobber stats.
7057 (get_call_expr_operands): Pass callee fndecl to
7059 (add_call_clobber_ops): Remove use of cache.
7060 Add use of PURE_CONST information.
7061 (add_call_read_ops): Remove use of cache.
7062 Add use of static not_read information.
7064 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7066 Introduce TLS descriptors for i386 and x86_64.
7067 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7068 (TARGET_ANY_GNU_TLS): New macro.
7069 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7070 (struct machine_function): Add tls_descriptor_call_expanded_p.
7071 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7072 (ix86_current_function_calls_tls_descriptor): Likewise.
7073 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7074 (override_options): Introduce gnu2 tls dialect.
7075 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7077 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7079 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7080 (ix86_init_machine_status): Initialize new field.
7081 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7082 (ix86_tls_module_base): New.
7083 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7084 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7085 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7086 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7087 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7088 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7089 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7090 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7091 * config/i386/predicates.md (tls_modbase_operand): New.
7092 (tp_or_register_operand): New.
7094 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7096 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7097 (look_for_address_of): Ditto.
7098 (ipa_init): Walk the function decls.
7099 (static_execute): Don't set readonly on FUNCTION_DECL's.
7101 2006-01-18 Roger Sayle <roger@eyesopen.com>
7103 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7104 for shifts where the source and destination registers are different.
7106 2006-01-18 Paul Brook <paul@codesourcery.com>
7108 Merge from csl-arm-branch.
7109 2005-03-14 Julian Brown <julian@codesourcery.com>
7110 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7111 (aeabi_llsl): Likewise.
7112 (ashrdi3): Likewise.
7113 (aeabi_lasr): Likewise.
7114 (lshrdi3): Likewise.
7115 (aeabi_llsr): Likewise.
7116 2005-03-10 Julian Brown <julian@codesourcery.com>
7117 * config.gcc: Disable shared libgcc for SymbianOS.
7118 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7120 2006-01-18 DJ Delorie <dj@redhat.com>
7122 * c-pragma.c (handle_pragma_diagnostic): New.
7123 (init_pragma): Register it.
7124 * doc/extend.texi: Document it.
7126 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7127 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7128 (diagnostic_context): Add classify_diagnostic[].
7129 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7130 as errors if they're overridden to DK_WARNING.
7131 (diagnostic_initialize): Initialize classify_diagnostic[].
7132 (diagnostic_set_kind_override): New.
7133 (diagnostic_report_diagnostic): Check for kind changes.
7134 * opts.c (common_handle_option): Take lang_mask. Update callers.
7136 * common.opt (Werror=): New.
7137 * doc/invoke.texi: Document -Werror=*
7139 2006-01-18 Jeff Law <law@redhat.com>
7141 * tree-vrp.c (test_for_singularity): Correct test for new
7142 min limit. Use operand_equal_p rather than pointer equality
7143 for testing if new min/max values are equal.
7145 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7146 using range information until after propagation and folding.
7148 2006-01-18 Richard Henderson <rth@redhat.com>
7149 Aldy Hernandez <aldyh@redhat.com>
7150 Jakub Jelinek <jakub@redhat.com>
7151 Diego Novillo <dnovillo@redhat.com>
7153 * omp-low.c: New file.
7154 * c-omp.c: New file.
7156 2006-01-18 Richard Henderson <rth@redhat.com>
7157 Jakub Jelinek <jakub@redhat.com>
7158 Diego Novillo <dnovillo@redhat.com>
7160 * doc/invoke.texi: Document -fopenmp.
7161 * tree-dump.h (debug_function): Declare.
7162 * hooks.c (hook_bool_tree_bool_false): New function.
7163 (hook_tree_tree_null): Remove.
7164 (hook_tree_tree_tree_null): New.
7165 * hooks.h: Update to match.
7166 * tree-pretty-print.c (debug_tree_chain): New.
7167 (print_generic_expr): Handle TDF_CHAIN.
7168 (dump_generic_node): Handle BLOCK.
7169 Do not abort with incomplete SWITCH_EXPRs.
7170 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7171 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7172 print space after directive name.
7173 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7174 Handle OMP_MASTER and OMP_ORDERED.
7175 Handle printing of OMP_BODY just in one place, goto
7176 dump_omp_body in the rest of OMP_* nodes that have
7178 Don't handle clause nodes here. Update omp statements to
7179 use dump_omp_clauses.
7180 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7181 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7182 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7183 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7184 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7185 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7186 Adjust output for GOMP_PARALLEL.
7187 (dump_omp_clauses): New.
7188 (print_declaration): Dump DECL_VALUE_EXPR.
7189 (op_symbol_1): Split out of op_symbol.
7190 (dumping_stmts): Remove. Update all users.
7191 * cgraph.c (cgraph_analyze_queue): New.
7192 (cgraph_add_new_function): New.
7193 * cgraph.h (cgraph_analyze_queue): Declare.
7194 (cgraph_add_new_function): Declare.
7195 (cgraph_lower_function): Remove.
7196 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7197 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7198 and TYPE_P nodes in its default clause.
7199 (empty_body_p): New.
7200 (tree_range_check_failed): New.
7202 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7203 OMP_CLAUSE_REDUCTION_MERGE,
7204 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7205 OMP_CLAUSE_PRIVATE_DEBUG,
7206 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7207 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7208 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7209 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7210 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7211 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7212 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7213 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7214 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7215 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7216 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7217 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7218 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7219 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7220 (TREE_RANGE_CHECK): New.
7221 (empty_body_p): Declare.
7222 (enum omp_clause_default_kind): New.
7223 (build_string_literal): Declare.
7224 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7225 (build5_stat, build5): Declare.
7226 * tree-pass.h (TDF_CHAIN): Define.
7227 * tree-pass.h (PROP_gimple_lomp): Define.
7228 (pass_lower_omp): Declare.
7229 * diagnostic.h (debug_tree_chain): Declare.
7230 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7232 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7233 * builtins.c (build_string_literal): Make extern.
7234 * gcc.c (include_spec_function): New.
7235 (static_spec_functions): Add it.
7236 (main): Move load of libgomp.spec ...
7237 (LINK_COMMAND_SPEC): ... here.
7238 (link_gomp_spec): New.
7239 (static_specs): Include it.
7240 (LINK_COMMAND_SPEC): Add link_gomp.
7241 (GOMP_SELF_SPECS): New.
7242 (driver_self_specs): Include it.
7243 (switch_matches): Don't mark inline.
7244 (main): Load libgomp.spec.
7245 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7246 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7247 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7248 * tree-gimple.h (enum omp_parallel): Declare.
7249 (determine_parallel_type): Declare.
7250 (omp_firstprivatize_variable): Declare.
7251 (omp_reduction_init): Declare.
7252 (diagnose_omp_structured_block_errors): Declare.
7253 (struct walk_stmt_info): Add want_return_expr.
7254 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7255 (find_omp_clause): Declare.
7256 (insert_field_into_struct): Declare.
7257 (struct walk_stmt_info): Move from tree-nested.c
7258 (walk_stmts): Declare.
7259 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7261 * cgraphunit.c (cgraph_lower_function): Make static.
7262 (cgraph_finalize_pending_functions): New.
7263 (cgraph_finalize_function): Call it.
7264 (cgraph_finalize_compilation_unit): Likewise.
7265 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7266 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7267 (BT_FN_UINT_UINT): New.
7268 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7269 DEF_FUNCTION_TYPE_VAR_4): Document.
7270 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7271 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7272 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7273 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7274 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7275 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7276 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7277 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7278 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7279 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7280 into separate files.
7281 (DEF_GOMP_BUILTIN): New.
7282 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7283 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7284 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7285 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7286 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7287 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7288 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7289 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7290 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7291 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7292 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7293 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7294 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7295 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7296 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7297 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7298 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7299 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7300 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7301 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7302 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7303 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7304 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7305 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7306 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7307 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7308 * sync-builtins.def: New file, moved from builtins.def.
7309 * omp-builtins.def: New file, moved from builtins.def.
7310 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7311 * gimple-low.c (lower_function_body): Clear data.
7312 (lower_stmt): Do not handle COMPOUND_EXPR.
7313 Remove call to print_node_brief.
7314 * c-tree.h (c_finish_omp_clauses): New prototype.
7315 (C_DECL_THREADPRIVATE_P): Define.
7316 (lookup_name_no_remap, c_omp_remap_private): Remove
7317 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7318 (check_for_loop_decls): Update decl.
7319 (lookup_name_no_remap, c_omp_remap_private): Declare.
7320 (build_indirect_ref, build_modify_expr, pushdecl,
7321 pushdecl_top_level): Move to c-common.h.
7322 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7323 before the switch, but just in the 2 places that need it.
7324 * c-decl.c (diagnose_mismatched_decls): Do not check for
7325 mismatched thread-local attributes when OLDDECL is marked
7326 threadprivate and NEWDECL has no thread-local attributes.
7327 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7328 (c_gimple_diagnostics_recursively): Rename from
7329 c_warn_unused_result_recursively. Invoke
7330 diagnose_omp_structured_block_errors.
7331 (check_for_loop_decls): Return a singular decl found.
7332 * langhooks.c (lhd_omp_predetermined_sharing): Return
7333 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7334 (lhd_omp_firstprivatize_type_sizes): New.
7335 (lhd_omp_assignment): New.
7336 (lhd_omp_predetermined_sharing): New.
7337 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7338 (struct lang_hooks_for_types): Add
7339 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7340 omp_predetermined_sharing, omp_disregard_value_expr,
7341 omp_private_debug_clause, omp_clause_default_ctor,
7342 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7343 (c_finish_omp_clauses): New.
7344 (c_finish_bc_stmt): Diagnose break within omp for.
7345 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7346 (build_unary_op): Return error_mark after reporting
7348 (build_modify_expr): Likewise.
7349 * gimplify.c: Include optabs.h and pointer-set.h.
7350 (enum gimplify_omp_var_data): Declare.
7351 (struct gimplify_omp_ctx): Declare.
7352 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7354 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7355 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7356 (splay_tree_compare_decl_uid): New.
7357 (new_omp_context): New.
7358 (delete_omp_context): New.
7359 (gimple_add_tmp_var): Call omp_add_variable.
7360 (gimplify_bind_expr): Likewise.
7361 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7362 true, disregard DECL_VALUE_EXPR on the decl if any.
7363 (gimplify_expr_in_ctx): New.
7364 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7365 omp_add_variable, omp_notice_variable, omp_is_private
7366 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7367 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7368 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7369 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7370 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7371 gimplify_omp_atomic): New.
7372 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7373 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7374 OMP_CRITICAL and OMP_ATOMIC.
7375 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7376 * c-pragma.h (enum pragma_kind): Add
7377 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7378 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7379 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7380 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7381 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7382 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7383 PRAGMA_OMP_THREADPRIVATE.
7384 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7385 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7386 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7387 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7388 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7389 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7390 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7391 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7392 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7393 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7394 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7395 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7396 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7398 (struct nesting_info): Add field_map,
7399 suppress_expansion, debug_var_chain.
7400 (create_nesting_tree): Initialize them.
7401 (lookup_field_for_decl): Use field_map.
7402 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7403 (convert_local_omp_clauses): New.
7404 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7405 (walk_body): Split out of walk_function.
7406 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7407 (convert_nonlocal_reference): Handle omp statements.
7408 (convert_local_reference): Likewise.
7409 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7410 (unnest_nesting_tree): New.
7411 (lower_nested_functions): Call it.
7412 (insert_field_into_struct): Make extern.
7413 (struct walk_stmt_info): Move to tree-gimple.h.
7414 (walk_stmts): Make extern.
7415 * omp-builtins.def: New file.
7416 * tree-iterator.c (expr_only): Clarify comment.
7417 * c-common.h (pushdecl_top_level, pushdecl,
7418 build_modify_expr, build_indirect_ref,
7419 c_finish_omp_master, c_finish_omp_critical,
7420 c_finish_omp_ordered, c_finish_omp_barrier,
7421 c_finish_omp_atomic, c_finish_omp_flush,
7422 c_finish_omp_for, c_split_parallel_clauses,
7423 omp_clause_default_kind, c_omp_sharing_predetermined,
7424 c_omp_remap_decl): Declare.
7425 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7426 (OBJS-common): Add omp-low.o.
7427 (c-omp.o, omp-low.o): Add.
7428 (gimplify.o): Add dependency on $(OPTABS_H).
7429 (GTFILES): Add omp-low.c.
7430 (gt-stringpool.h): Add.
7431 * tree-cfg.c (set_bb_for_stmt): Do not update the
7432 block-to-labels map if we are currently expanding to RTL.
7433 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7435 Handle IDENTIFIER_NODE.
7436 (tree_verify_flow_info): Do not ICE when emitting error
7437 messages about invalid labels.
7438 (dump_function_to_file): Reset CFUN before emitting the body
7440 (debug_function): New.
7441 * passes.c (init_optimization_passes): Schedule
7443 * langhooks-def.h (lhd_omp_predetermined_sharing,
7444 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7446 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7447 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7448 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7449 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7450 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7451 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7452 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7453 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7454 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7455 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7456 (LANG_HOOK_DECLS): Use them.
7458 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7459 Richard Henderson <rth@redhat.com>
7460 Jakub Jelinek <jakub@redhat.com>
7461 Diego Novillo <dnovillo@redhat.com>
7463 * c-parser.c (pragma_omp_clause): Define.
7464 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7465 (c_parser_compound_statement): Likewise.
7466 (c_parser_statement): Likewise.
7467 (c_parser_pragma): Handle omp pragmas.
7468 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7469 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7470 (c_parser_omp_clause_name, check_no_duplicate_clause,
7471 c_parser_omp_variable_list,
7472 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7473 c_parser_omp_clause_copyprivate,
7474 c_parser_omp_clause_default,
7475 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7476 c_parser_omp_clause_lastprivate,
7477 c_parser_omp_clause_nowait,
7478 c_parser_omp_clause_num_threads,
7479 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7480 c_parser_omp_clause_reduction,
7481 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7482 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7483 c_parser_omp_atomic, c_parser_omp_barrier,
7484 c_parser_omp_critical, c_parser_omp_flush,
7485 c_parser_omp_for_loop, c_parser_omp_for,
7486 c_parser_omp_master, c_parser_omp_ordered,
7487 c_parser_omp_sections_scope, c_parser_omp_sections,
7488 c_parser_omp_parallel, c_parser_omp_single,
7489 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7490 * c-pragma.c (init_pragma): Do omp pragma registration here.
7491 * c.opt (fopenmp): New flag.
7493 2006-01-18 Eric Christopher <echristo@apple.com>
7495 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7496 * config/darwin.h (GOMP_SELF_SPECS): Define.
7498 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7500 * rtl.h: Remove the prototype for reg_alloc.
7502 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7505 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7506 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7507 sjlj and dwarf2 exception handling.
7508 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7509 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7510 * pa/pa.c (function_value): Treat complex and vector types as
7512 (function_arg): Likewise. Only pass scalar floats in the floating
7513 point argument registers.
7514 * pa/t-slibgcc-dwarf-ver: New file.
7515 * pa/t-slibgcc-sjlj-ver: New file.
7516 * pa/t-slibgcc-elf-ver: Delete file.
7518 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7520 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7521 unlikely_test_section_p test.
7523 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7525 * mode-switching.c (optimize_mode_switching): Make it static.
7526 * basic-block.h: Remove the prototype for
7527 optimize_mode_switching.
7529 * modulo-sched.c (sms_schedule): Make it static.
7530 * rtl.h: Remove the prototype for sms_schedule.
7532 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7533 * rtl.h: Remove the prototype for gcse_after_reload_main.
7535 * reg-stack.c (reg_to_stack): Make it static.
7536 * rtl.h: Remove the prototype for reg_to_stack.
7538 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7540 * rtl.h: Remove the prototypes for regrename_optimize and
7541 copyprop_hardreg_forward.
7543 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7545 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7546 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7547 Test against the appropriate null constant for the mode.
7548 If 'fixup_overlap' is true, swap the operands if they overlap.
7549 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7550 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7551 alpha_split_tmode_pair and adjust for above change.
7552 * config/alpha/alpha.md (movtf_internal): Adjust call to
7553 alpha_split_tfmode_pair and rely on it to swap the operands.
7554 (movti_internal): New insn and post-reload splitter.
7555 (movti): New expander.
7557 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7559 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7562 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7564 * rtlanal.c (global_reg_mentioned_p_1,
7565 global_reg_mentioned_p): Remove.
7566 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7568 * flow.c (initialize_uninitialized_subregs): Make it static.
7569 * rtl.h: Remove the prototype for
7570 initialize_uninitialized_subregs.
7572 * function.c (instantiate_virtual_regs): Make it static.
7573 * function.h: Remove the prototype for
7574 instantiate_virtual_regs.
7576 * regmove.c (regmove_optimize, combine_stack_adjustments):
7578 * rtl.h: Remove the prototypes for regmove_optimize and
7579 combine_stack_adjustments.
7581 2006-01-17 Roger Sayle <roger@eyesopen.com>
7583 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7584 (size_cost): Encode costs in bytes so that a reg-reg addition is
7585 equivalent to COSTS_N_INSNS(1).
7586 (override_options): Use the size_cost.branch_cost as the default
7587 ix86_branch_cost when optimizing for size.
7589 2006-01-18 Ben Elliston <bje@au.ibm.com>
7591 * Makefile.in (D32PBIT_FUNCS): New.
7592 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7593 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7594 D64PBIT_FUNCS and D128PBIT_FUNCS.
7595 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7596 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7598 (decnumber_dep): Define.
7599 * doc/libgcc.texi (Decimal float library routines): New node.
7600 * config/dfp-bit.h, config/dfp-bit.c: New files.
7602 2006-01-18 Ben Elliston <bje@au.ibm.com>
7604 * expr.c (emit_move_change_mode): Always adjust addresses, not
7605 just during reload. Copy replacements only during reload.
7606 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7607 emit_move_via_integer.
7609 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7611 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7612 instead of $(srcdir) and ${srcdir}.
7614 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7618 * arm.h (struct machine_function): Add pic_reg.
7619 * arm.c (arm_pic_register): Make unsigned.
7620 (arm_override_options): Only set arm_pic_register if
7621 TARGET_SINGLE_PIC_BASE.
7622 (use_return_insn): Only test for a pic register if it is fixed.
7623 (arm_compute_save_reg0_reg12_mask): Likewise.
7624 (thumb_compute_save_reg_mask): Likewise.
7625 (legitimate_pic_operand): Factor out some known invariants.
7626 (legitimize_pic_address): If we don't have a fixed pic register,
7627 then set up a pseudo in the function entry sequence. Handle the
7628 pic base being in a pseudo.
7629 (arm_load_pic_register): Handle the pic register being in a pseudo.
7630 (arm_expand_prologue): Only set up the pic register if it is fixed.
7631 (thumb_expand_prologue): Likewise.
7632 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7633 (pic_load_addr_based_insn): Likewise.
7634 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7637 2006-01-18 Ben Elliston <bje@au.ibm.com>
7639 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7640 decimal float modes for all floating point registers.
7642 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7643 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7645 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7648 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7649 even when the pointer is not NULL.
7651 2006-01-16 Ian Lance Taylor <ian@airs.com>
7653 * common.opt (ftoplevel-reorder): New option.
7654 * cgraph.c (cgraph_asm_nodes): New global variable.
7655 (cgraph_asm_last_node): New static variable.
7656 (cgraph_order): New global variable.
7657 (cgraph_create_node): Set new order field.
7658 (cgraph_varpool_node): Likewise.
7659 (decide_is_variable_needed): Return true if not
7660 flag_toplevel_reorder.
7661 (cgraph_add_asm_node): New function.
7662 * cgraph.h (struct cgraph_node): Add order field.
7663 (struct cgraph_varpool_node): Add order field.
7664 (struct cgraph_asm_node): Define.
7665 (cgraph_asm_nodes, cgraph_order): Declare.
7666 (cgraph_add_asm_node): Declare.
7667 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7669 (cgraph_varpool_assemble_pending_decls): Call it.
7670 (cgraph_output_pending_asms): New static function.
7671 (cgraph_finalize_compilation_unit): Call it.
7672 (struct cgraph_order_sort): Define.
7673 (cgraph_output_in_order): New static function.
7674 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7675 !flag_toplevel_reorder case.
7676 * c-parser.c: Include "cgraph.h".
7677 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7679 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7680 than -fno-unit-at-a-time.
7681 * doc/invoke.texi (Option Summary): Mention
7682 -fno-toplevel-reorder.
7683 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7684 -funit-at-a-time documentation.
7686 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7687 Kazu Hirata <kazu@codesourcery.com>
7689 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7691 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7693 * Makefile.in (FUNCTION_H): New. Use it instead of
7694 function.h throughout the file.
7695 * function.h: Include tree.h.
7697 2006-01-17 Ben Elliston <bje@au.ibm.com>
7699 * recog.c: Separate some functions with whitespace.
7701 2006-01-16 Richard Henderson <rth@redhat.com>
7703 Merge from gomp branch:
7704 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7705 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7706 and rename from struct inline_data. Rename callee* to dst*;
7707 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7708 transform_new_cfg, transform_return_to_modify, and
7709 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7711 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7712 (copy_decl_for_dup): Remove.
7713 * tree-inline.c (struct inline_data): Move to header.
7714 (insert_decl_map): Export.
7715 (remap_decl): Update for member name changes. Use copy_decl hook.
7716 Allow for replacement to be a non-decl. Remove dead code.
7717 (remap_type_1): Check for existing mapping.
7718 (remap_type): Export.
7719 (remap_decls): Update for member name changes.
7720 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7721 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7722 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7723 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7724 (tree_function_versioning, build_duplicate_type): Likewise.
7725 (copy_body_r): Likewise. Export.
7726 (copy_decl_for_dup): Split into ...
7727 (copy_decl_for_dup_finish, copy_decl_to_var,
7728 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7729 (replace_ref_tree, inlining_p): Remove.
7731 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7733 * ifcvt.c (if_convert): Make it static.
7734 * rtl.h: Remove the prototype for if_convert.
7736 * local-alloc.c (local_alloc): Make it static.
7737 * rtl.h: Remove the prototype for local_alloc.
7739 * loop.c (loop_optimize): Make it static.
7740 * cfgloop.h: Remove the prototype for loop_optimize.
7743 2006-01-16 DJ Delorie <dj@redhat.com>
7745 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7748 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7750 * pa.md: Disparage copies between general and floating-point registers
7751 in 32-bit move patterns.
7753 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7756 * Makefile.in (check-%): Depend on site.exp instead of
7757 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7760 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7762 * global.c (global_alloc): Make it static.
7763 * rtl.h: Remove the prototype for global_alloc.
7765 2006-01-16 Richard Guenther <rguenther@suse.de>
7767 * tree-ssa-alias.c (struct used_part): Add write_only field.
7768 (get_or_create_used_part_for): Initialize it to true.
7769 (create_overlap_variables_for): Don't create structure variables
7770 for structures that only are written to.
7771 (find_used_portions): Handle MODIFY_EXPR to track whether a
7772 structure is only written to.
7774 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7776 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7778 * basic-block.h: Remove the prototype for
7779 partition_hot_cold_basic_blocks.
7781 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7783 * cppspec.c (lang_specific_spec_functions): Remove.
7784 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7785 * gcc.h (lang_specific_spec_functions): Remove.
7786 * gccspec.c (lang_specific_spec_functions): Remove.
7788 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7790 * combine.c (record_value_for_reg): Invalidate registers
7792 (record_dead_and_set_regs_1): Likewise, by passing them to
7793 record_value_for_reg.
7794 (record_dead_and_set_regs): Invalidate stores made by a
7795 call. We do not combine across a call, but we still
7796 relied on equivalences.
7798 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7800 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7801 vrp_int_const_binop returning non-constant nodes.
7803 2006-01-16 Paul Brook <paul@codesourcery.com>
7805 * config/m68k/m68k.c (output_move_const_into_data_reg):
7806 Output correct mnemonic for mvz and mvs.
7808 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7810 * rtl-factoring.c: Add sequence abstraction algorithm.
7811 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7812 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7814 (block_has_preserve_label): New function.
7815 * common.opt: Register new pass.
7816 * Makefile.in: Ditto.
7818 * timevar.def: Ditto.
7819 * tree-pass.h: Ditto.
7820 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7821 * rtl.h (make_jump_insn_raw): Add forward decl.
7822 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7824 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7825 Roger Sayle <roger@eyesopen.com>
7827 * fold-const.c (fold_minmax): New static function.
7828 (fold_binary) <MIN_EXPR>: Call it.
7829 <MAX_EXPR>: Likewise.
7830 * stor-layout.c (place_field): Use DECL_SIZE consistently
7831 in the computation of the new record size.
7833 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7835 * cse.c (cse_condition_code_reg): Make it static.
7836 * rtl.h: Remove the prototype for cse_condition_code_reg.
7838 * combine.c (combine_instructions): Make it static.
7839 * rtl.h: Remove the prototype for combine_instructions.
7841 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7844 * tree.c (get_file_function_name_long): Concatenate the first global
7845 object name with a string derived from the input filename of the object
7848 2006-01-16 Ben Elliston <bje@au.ibm.com>
7850 * config/i386/winnt-stubs.c: Update FSF address.
7851 * config/xtensa/ieee754-df.S: Ditto.
7852 * config/xtensa/ieee754-sf.S: Ditto.
7854 2006-01-14 Ian Lance Taylor <ian@airs.com>
7856 * ifcvt.c (noce_init_if_info): New static function, broken out of
7857 noce_process_if_block.
7858 (noce_process_if_block): Call noce_init_if_info.
7859 (check_cond_move_block): New static function.
7860 (cond_move_process_if_block): New static function.
7861 (process_if_block): Call cond_move_process_if_block.
7863 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7865 * cselib.c (hash_table): Rename to cselib_hash_table.
7866 (cselib_clear_table, discard_useless_values,
7867 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7868 cselib_init, cselib_finish): Adjust uses of hash_table.
7870 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7872 PR tree-optimization/25485
7873 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7874 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7875 is known to be false and true, respectively.
7877 2006-01-14 Richard Guenther <rguenther@suse.de>
7879 PR tree-optimization/22548
7880 PR tree-optimization/22555
7881 PR tree-optimization/22501
7882 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7883 * params.def (salias-max-array-elements): New parameter.
7884 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7885 * doc/invoke.texi (salias-max-array-elements): Document.
7886 * tree-flow-inline.h (var_can_have_subvars): We also handle
7888 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7890 * tree-ssa-structalias.c (params.h): Include.
7891 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7892 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7893 (get_constraint_for): For ADDR_EXPR operating on something
7894 containing an ARRAY_REF, add all subvars to the solution.
7895 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7896 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7897 for creating MUST_DEFs.
7898 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7900 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7902 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7904 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7905 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7906 number_of_iterations_le): New functions.
7907 (number_of_iterations_special): Removed.
7908 (number_of_iterations_exit): Do not use number_of_iterations_special.
7909 * tree.c (unsigned_type_for): Always return integer type.
7911 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7912 Richard Guenther <rguenther@suse.de>
7914 PR rtl-optimization/24257
7915 * gcse.c (find_moveable_store): Only consider a store movable
7916 when the SET_SRC of the insn can be assigned to a register.
7918 2006-01-14 Ian Lance Taylor <ian@airs.com>
7920 * tree.c (tree_not_class_check_failed): New function.
7921 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7922 (tree_not_class_check_failed): Declare.
7924 2006-01-13 Ian Lance Taylor <ian@airs.com>
7926 * reload1.c (do_output_reload): Add assertion rejecting a
7929 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7931 * combine.c (struct reg_stat): Add new fields truncation_label and
7933 (record_value_for_reg): Reset truncated_to_mode.
7934 (record_truncated_value): New function.
7935 (check_promoted_subreg): Call it. Rename to check_conversions.
7936 (combine_instructions): Rename check_promoted_subreg to
7938 (reg_truncated_to_mode): New function.
7939 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7940 (gen_lowpart_or_truncate): New function.
7941 (force_to_mode): Use it instead of gen_lowpart.
7943 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7945 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7946 VAR is a tag, not its type tag.
7948 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7950 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7951 alternatives to match style of other entries.
7952 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7954 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7956 PR tree-optimization/25771
7957 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7960 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7963 * tree-inline.c (declare_return_variable): If the return variable
7964 was marked as a non gimple complex, set the return slot variable
7965 to be a non gimple comple variable.
7967 2006-01-13 Richard Guenther <rguenther@suse.de>
7969 * builtins.c (expand_builtin_sincos): New function.
7970 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7972 (expand_builtin): Expand sincos using expand_builtin_sincos.
7974 2006-01-12 DJ Delorie <dj@redhat.com>
7976 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7977 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7978 so that constant shifts can be split.
7979 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7980 (m32c_valid_pointer_mode): Make static.
7981 (shift_gen_func_for): New.
7982 (m32c_prepare_shift): Use it. Split large const shifts into
7984 * config/m32c/predicates.md (shiftcount_operand): Allow more
7986 (longshiftcount_operand): New.
7987 * doc/md.texi (Machine Constraints): Document In6.
7989 2006-01-13 Ben Elliston <bje@au.ibm.com>
7991 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7992 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7995 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7997 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7998 to try to avoid clobbering pieces of structures when we know
7999 something about the whole structure.
8000 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8002 2006-01-13 Ben Elliston <bje@au.ibm.com>
8004 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8005 return in memory, as this is no limitation is no longer present.
8007 2006-01-12 DJ Delorie <dj@redhat.com>
8009 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8010 mova with fb, and for fb+0 -> An.
8012 * config/m32c/mov.md (peephole2): Fix enabling logic.
8014 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8015 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8016 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8017 FINI_ARRAY_SECTION_ASM_OP): Define.
8019 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8021 (m32c_legitimize_reload_address): New logic to reload FB to An.
8022 (m32c_output_reg_push): Add newline.
8023 (m32c_output_reg_pop): Likewise.
8025 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8027 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8029 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8031 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8033 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8035 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8038 2006-01-11 Ben Elliston <bje@au.ibm.com>
8040 * rtlanal.c (find_reg_note): Assert insn is not null.
8042 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8044 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8047 2006-01-11 Jeff Law <law@redhat.com>
8049 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8051 (mark_threaded_blocks, register_jump_thread): New functions.
8052 (thread_through_all_blocks): Remove unwanted argument. No
8053 longer rely on e->aux to communicate thread target info.
8054 Call mark_threaded_blocks. Release the threaded_blocks
8055 bitmap and threaded_edges vector when complete.
8056 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8057 (threaded_blocks): Remove.
8058 (tree_ssa_dominator_optimize): Remove initialization and
8059 finalization of threaded_blocks. Simplify call to
8060 thread_through_all_blocks.
8061 (thread_across_edge): Call register_jump_thread rather than
8062 storing thread information into e->aux.
8063 (free_all_edge_infos): Simplify now that e->aux is no longer
8064 used to communicate with thread_through_all_blocks.
8065 * tree-flow.h (thread_through_all_blocks): Update prototype.
8066 (register_jump_thread): Prototype.
8068 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8070 * df-core.c (df_compact_blocks, df_bb_replace): Use
8071 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8073 2006-01-11 Richard Guenther <rguenther@suse.de>
8075 PR tree-optimization/25734
8076 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8077 stop propagation after successful propagation to the LHS.
8079 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8081 * basic-block.h (control_flow_graph): Change the type of
8082 x_basic_block_info to VEC(basic_block,gc) *.
8083 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8085 (SET_BASIC_BLOCK): New.
8086 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8087 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8088 * cfgbuild.c (find_basic_blocks): Likewise.
8089 * cfglayout.c (fixup_reorder_chain): Likewise.
8090 * cfgrtl.c (create_basic_block_structure,
8091 rtl_create_basic_block): Likewise.
8092 * ifcvt.c (find_if_case_1): Likewise.
8093 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8096 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8098 * Makefile.in: Removed rotted odf.c entry.
8100 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8103 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8104 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8105 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8106 output pattern modifier, not %e.
8107 * config/cris/cris.c (cris_op_str): Update comment about pattern
8109 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8110 before falling through into...
8111 <case 'E'>: Redefined from old 'e' case.
8113 2006-01-11 Jan Hubicka <jh@suse.cz>
8116 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8118 2006-01-11 Jan Hubicka <jh@suse.cz>
8120 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8121 * i386.c (x86_decompose_lea): Kill.
8122 (ix86_rtx_costs): Kill.
8124 2006-01-11 Jan Hubicka <jh@suse.cz>
8126 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8127 * cgraph.h (cgraph_node): Add inline_decl.
8128 (cgraph_insert_node_to_hashtable): Declare.
8129 (save_inline_function_body): Declare.
8130 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8132 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8133 (cgraph_function_versioning): Update call of tree_function_versioning.
8134 (save_inline_function_body): New function.
8135 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8136 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8137 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8138 (cgraph_default_inline_p): Likewise.
8139 (cgraph_decide_inlining_incrementally): Likewise.
8140 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8141 (copy_bb): Kill saving; do updating of clones.
8142 (copy_cfg_body): Kill saving.
8143 (initialize_inlined-parameters): Likewise.
8144 (expand_call_inline): Likewise.
8146 (tree_function_versioning): New parameter "update_clones".
8147 (inlining_p): Kill saving.
8148 * tree-inline.h (tree_function_versioning): Update prototype.
8149 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8152 2006-01-11 Ian Lance Taylor <ian@airs.com>
8154 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8155 Allow undoing set of machine mode.
8156 (do_SUBST): Use enums instead of is_int.
8157 (do_SUBST_MODE): New function.
8158 (SUBST_MODE): New macro.
8159 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8160 reg and trying to replace reg_regno_rtx with a new register.
8161 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8162 (simplify_set): Use SUBST_MODE.
8163 (distribute_notes): Remove code that tried to update reg notes
8164 for regno_reg_rtx changes.
8166 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8168 PR tree-optimization/23109
8169 PR tree-optimization/23948
8170 PR tree-optimization/24123
8172 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8173 * tree-cfg.c (single_noncomplex_succ): New.
8174 * tree-flow.h (single_noncomplex_succ): Declare it.
8175 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8176 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8177 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8178 insert_bb, register_division_in, insert_reciprocals,
8179 replace_reciprocal, free_bb): New.
8180 (execute_cse_reciprocals_1): Rewritten.
8181 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8182 Do not commit any edge insertion. Always compute dominators and
8183 create the allocation pool.
8184 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8185 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8186 * targhooks.c (default_min_divistions_for_recip_mul): New.
8187 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8188 * passes.c (init_optimization_passes): Run recip after tree loop
8190 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8192 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8193 Kenneth Zadeck <zadeck@naturalbridge.com>
8195 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8196 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8197 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8198 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8199 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8200 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8201 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8202 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8203 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8204 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8205 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8206 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8207 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8208 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8209 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8210 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8211 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8212 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8213 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8214 DF_SCAN_POST_ALLOC): New macros.
8215 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8216 df_free_bb_function, df_local_compute_function, df_init_function,
8217 df_dataflow_function, df_confluence_function_0,
8218 df_confluence_function_n, df_transfer_function,
8219 df_finalizer_function, df_free_function, df_dump_problem_function,
8220 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8221 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8222 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8223 df_urec_bb_info, ) New types.
8224 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8226 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8227 df_analyze_simple_change_some_blocks,
8228 df_analyze_simple_change_one_block, df_compact_blocks,
8229 df_bb_replace, df_bb_regno_last_use_find,
8230 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8231 df_insn_regno_def_p, df_find_def, df_find_use,
8232 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8233 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8234 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8235 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8236 debug_df_chain, df_get_dependent_problem, df_chain_create,
8237 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8238 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8239 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8240 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8241 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8242 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8243 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8244 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8245 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8246 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8247 df_reorganize_refs, df_set_state, df_hard_reg_init,
8248 df_read_modify_subreg_p) New public functions.
8249 * df-core.c: The core dataflow solver and glue routines for rtl
8251 (df_init, df_add_problem, df_set_blocks, df_finish,
8252 df_hybrid_search_forward, df_hybrid_search_backward,
8253 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8254 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8255 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8256 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8257 df_reg_defined, df_find_use, df_reg_used, df_dump,
8258 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8259 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8260 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8261 debug_df_useno, reset_df_after_reload): New functions.
8262 * df-scan.c: The scanning fuctions, once in df.c, completely
8263 rewritten so that they now fully model the functionality of
8264 register usage at the backend.
8265 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8266 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8267 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8268 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8269 df_get_artificial_defs, df_get_artificial_uses,
8270 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8271 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8272 df_refs_delete, df_reorganize_refs, df_set_state,
8273 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8274 df_def_record_1, df_defs_record, df_uses_record,
8275 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8276 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8277 df_record_exit_block_uses, df_hard_reg_init): New functions.
8279 * df-problems.c: Seven concrete dataflow problems that use the
8280 scanning in df-scan.c and are solved by the engine in df-core.c.
8281 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8282 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8283 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8284 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8285 df_ru_free_bb_info, df_ru_alloc,
8286 df_ru_bb_local_compute_process_def,
8287 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8288 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8289 df_ru_transfer_function, df_ru_free, df_ru_dump,
8290 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8291 df_rd_free_bb_info, df_rd_alloc,
8292 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8293 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8294 df_rd_transfer_function, df_rd_free, df_rd_dump,
8295 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8296 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8297 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8298 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8299 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8300 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8301 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8302 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8303 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8304 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8305 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8306 df_urec_mark_reg_use_for_earlyclobber,
8307 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8308 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8309 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8310 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8311 df_chain_create_bb_process_use, df_chain_create_bb,
8312 df_chain_finalize, df_chain_free, df_chains_dump,
8313 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8314 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8315 df_reg_lifetime): New functions.
8316 * df.c: Deleted file.
8317 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8318 consistent with new df api.
8319 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8320 rest_of_handle_sms): Ditto.
8321 * web.c (unionfind_union, union_defs, entry_register, web_main):
8323 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8324 invariant_expr_equal_p, find_defs, check_dependencies,
8325 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8326 free_inv_motion_data, move_loop_invariants): Ditto.
8327 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8328 Update dependencies.
8329 (odf.c): Added defective entry that was deleted later in day.
8330 * sched-deps.c (sched_analyze_1): Ditto.
8332 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8334 * tree-ssa-operands.c (get_expr_operands): Record addressable
8335 variables directly. Do not call add_stmt_operands for CONST_DECLs
8337 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8338 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8340 2006-01-11 Ben Elliston <bje@au.ibm.com>
8342 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8343 function returns true in the positive case.
8345 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8348 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8349 for SI, DI, SF and DF modes. Add alternatives to copy between
8350 general and floating point registers to the 32-bit patterns.
8351 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8352 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8353 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8354 generating 64-bit code.
8355 * config/pa/pa.c (output_move_double): Handle copies between general
8356 and floating registers.
8358 2006-01-10 Stuart Hastings <stuart@apple.com>
8360 * config/i386/i386.md (set_got): Update.
8361 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8362 (builtin_setjmp_receiver): Mach-O support.
8363 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8364 (GOT_SYMBOL_NAME): Define.
8365 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8366 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8367 * config/i386/i386.c (override_options): Revise for Darwin.
8368 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8369 support. (darwin_x86_file_end): New. (output_set_got): Add label
8370 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8371 * config/i386/i386-protos.h (output_set_got): Likewise.
8372 * config/darwin.c (machopic_legitimize_pic_address): Update
8375 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8377 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8378 when MODE isn't BLKmode.
8380 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8382 PR rtl-optimization/25367
8383 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8385 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8388 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8389 for a negative bound.
8391 2006-01-10 Richard Guenther <rguenther@suse.de>
8393 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8394 Never override with anything constraint.
8396 2006-01-10 Jan Beulich <jbeulich@novell.com>
8398 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8399 256 bits when optimize_size.
8401 2006-01-10 Jan Beulich <jbeulich@novell.com>
8403 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8405 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8406 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8409 2006-01-10 Ben Elliston <bje@au.ibm.com>
8411 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8413 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8414 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8415 (USE_FP_FOR_ARG): Reject decimal float modes.
8416 (function_arg_advance): Likewise.
8417 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8418 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8419 point types in AltiVec vectors.
8420 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8421 (rs6000_libcall_value): Likewise.
8423 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8425 * config/xtensa/ieee754-df.S: New file.
8426 * config/xtensa/ieee754-sf.S: New file.
8427 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8428 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8429 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8431 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8433 * config/sh/predicates.md (binary_float_operator,
8434 binary_logical_operator, commutative_float_operator,
8435 equality_comparison_operator, greater_comparison_operator,
8436 less_comparison_operator, logical_operator,
8437 noncommutative_float_operator, shift_operator,
8438 symbol_ref_operand, unary_float_operator): Remove redundant
8441 2006-01-09 Jeff Law <law@redhat.com>
8443 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8444 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8445 now unused arguments. Callers updated.
8446 (eliminate_redundant_computations): Remove now unused arguments,
8448 (local_fold): Remove, no longer used.
8449 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8451 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8452 (simplify_cond): New function.
8453 (forward_propagate_into_cond): Call simplify_cond.
8455 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8457 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8458 (*vec_extractv2di_1_sse): New.
8460 2006-01-09 Ben Elliston <bje@au.ibm.com>
8462 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8464 2006-01-08 Richard Guenther <rguenther@suse.de>
8466 * tree-ssa-structalias.c (get_constraint_for): Remove
8468 (get_constraint_for_component_ref): Likewise.
8469 (do_deref): Likewise.
8470 (get_constraint_for): Likewise.
8471 (do_structure_copy): Likewise.
8472 (handle_ptr_arith): Likewise.
8473 (find_func_aliases): Likewise. Remove unused need_anyoffset
8476 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8477 Kaz Kojima <kkojima@gcc.gnu.org>
8479 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8480 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8481 (EXTRA_CONSTRAINT_C16): Remove.
8482 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8483 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8484 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8485 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8486 constants of SHmedia. Handle nested constant expressions of
8488 (andcosts): Fix the costs for SHmedia constants.
8489 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8490 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8491 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8492 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8493 (movv4hi_i, movv2si_i): Likewise.
8494 (movsi_const): Adjust the second operand of ior so to match with
8496 (movdi_const, movdi_const_32bit): Likewise.
8497 (movdi_const_16bit+1): Don't sign-extend LOW.
8498 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8500 (*double_shori): Fix the split condition. Use GEN_INT instead
8501 of get_int_mode calls. Mask lower 16-bit of the argument of
8503 (sym2GOTPLT): Remove.
8504 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8506 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8507 instead of EXTRA_CONSTRAINT_C16.
8509 2006-01-07 Ian Lance Taylor <ian@airs.com>
8510 David Edelsohn <edelsohn@gnu.org>
8512 PR rtl-optimization/25662
8513 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8514 for constant operands instead of simplify_gen_binary.
8515 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8516 after trying simplify_binary_operation
8518 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8520 * tree.c (iterative_hash_expr): Hash decls based on UID.
8522 2006-01-06 Eric Christopher <echristo@apple.com>
8524 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8525 (TARGET_UNWIND_EMIT): Fix spelling.
8526 * target.h (gcc_target): Add except_table_label.
8527 * except.c (output_function_exception_table): Use.
8528 * varasm.c (default_emit_except_table_label): New.
8529 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8531 (asm_out): Add here.
8532 * output.h (default_emit_except_table_label): Prototype.
8533 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8534 * config/darwin.c (darwin_emit_except_table_label): Define.
8535 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8537 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8539 PR tree-optimization/18527
8540 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8541 number_of_iterations_special, number_of_iterations_exit):
8542 Move base and step of an iv to a single structure. Add
8543 no_overflow flag, and use it in # of iterations analysis.
8544 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8545 folded_casts argument.
8546 (simple_iv): Pass base and step in a structure. Set no_overflow
8548 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8549 Evaluate expensiveness of computing # of iterations instead of
8550 the final expression.
8551 * tree-scalar-evolution.h (affine_iv): New structure.
8552 (simple_iv): Declaration changed.
8553 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8554 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8555 find_givs_in_stmt): Changed due to simple_iv change.
8557 2006-01-06 Jeff Law <law@redhat.com>
8560 * tree-cfg.c (bsi_replace): Rename final argument from
8561 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8562 change (stmt -> orig_stmt).
8563 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8564 (bsi_remove): Add new argument. Remove EH information
8566 (verify_eh_throw_table_statements): New function.
8567 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8569 * tree-optimize.c (execute_free_cfg_annotations): Verify
8570 the EH throw statement table after removing annotations.
8571 * except.h (verify_eh_throw_table_statements): Prototype.
8572 * tree-flow.h (bsi_remove): Update prototype.
8573 * tree-vrp.c (remove_range_assertions): Add new argument to
8575 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8576 * tree-complex.c (expand_complex_div_wide): Likewise.
8577 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8578 * tree-tailcall.c (eliminate_tailcall): Likewise.
8579 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8580 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8581 * tree-nrv.c (tree_nrv): Likewise.
8582 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8583 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8584 (combine_blocks): Likewise.
8585 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8586 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8587 (cleanup_control_flow): Likewise.
8588 (remove_forwarder_block): Likewise.
8589 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8590 * tree-sra.c (sra_replace): Likewise.
8591 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8592 (forward_propagate_single_use_vars): Likewise.
8593 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8594 * tree-inline.c (expand_call_inline): Likewise.
8595 * tree-vect-transform.c (vect_transform_loop): Likewise.
8596 * tree-outof-ssa.c (rewrite_trees): Likewise.
8597 * tree-cfg.c (make_goto_expr_edges): Likewise.
8598 (cleanup_dead_labels): Likewise.
8599 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8600 (bsi_move_before, bsi_move_after): Likewise.
8601 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8602 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8604 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8607 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8609 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8610 on non gimple variables. Also add checks at the top for decls and
8612 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8614 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8615 and IMAGPART_EXPR for creating MUST_DEFs.
8616 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8617 and NAME_MEMORY_TAG separately from the DECLs.
8619 2006-01-06 Richard Guenther <rguenther@suse.de>
8621 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8622 annotation, if necessary.
8623 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8624 redundant calls to update_stmt.
8625 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8628 2006-01-05 Richard Henderson <rth@redhat.com>
8630 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8632 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8634 * c-typeck.c: Update copyright date.
8636 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8638 * c-typeck.c (build_c_cast): Always warn when casting
8639 from a pointer to an integer of different size, even if
8640 the node was constant.
8642 2006-01-05 Richard Guenther <rguenther@suse.de>
8644 PR tree-optimization/22555
8645 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8646 if one structure field is an array.
8647 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8648 operands even if we found a subvar, but ignore VOPs in this
8650 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8652 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8654 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8657 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8659 2006-01-05 Richard Guenther <rguenther@suse.de>
8660 Diego Novillo <dnovillo@redhat.com>
8662 * tree-pass.h (TODO_remove_unused_locals): Define.
8663 * gimple-low.c (expand_var_p, remove_useless_vars,
8664 pass_remove_useless_vars): Remove. Update all users.
8665 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8666 (remove_unused_locals): New function.
8667 * tree-flow.h (remove_unused_locals): Declare.
8668 * passes.c (execute_todo): Call remove_unused_locals if
8669 TODO_remove_unused_locals is set.
8670 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8671 * tree-ssa-dce.c (pass_dce): Likewise.
8672 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8674 2006-01-05 Richard Guenther <rguenther@suse.de>
8676 * tree-flow.h (struct fieldoff): Decompose field to
8677 type, size and decl.
8678 * tree-ssa-alias.c (create_sft): Take type as parameter.
8679 (create_overlap_variables_for): Store type, size and decl
8680 in the fieldoff structure.
8681 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8683 (push_fields_onto_fieldstack): Likewise.
8684 (create_variable_info_for): Likewise. Use offset for the
8685 SFT name if the decl is not available.
8687 2006-01-04 Paul Brook <paul@codesourcery.com>
8689 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8691 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8693 * lambda-code.c (can_put_in_inner_loop): Relax
8695 (can_put_after_inner_loop): New function.
8696 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8697 (perfect_nestify): Change to make copies and modify uses.
8699 2006-01-04 Richard Henderson <rth@redhat.com>
8701 Merge from gomp branch:
8702 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8703 via integer constant.
8704 (pragma_lex): Remove.
8705 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8706 rather than parsing it.
8707 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8708 handle_pragma_extern_prefix): Add %< %> quotes.
8709 (registered_pragmas): New.
8710 (c_register_pragma_1): New.
8711 (c_register_pragma): Use it.
8712 (c_register_pragma_with_expansion): Likewise.
8713 (c_invoke_pragma_handler): New.
8714 (init_pragma): Use cpp_register_deferred_pragma directly for
8716 * c-pragma.h (enum pragma_kind): New.
8717 (pragma_handler): New.
8718 (c_invoke_pragma_handler): Declare.
8719 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8721 * c-common.h (c_common_pch_pragma): Update decl.
8722 * Makefile.in (c-parser.o): Update dependencies.
8723 (GTFILES): Add c-pragma.h.
8724 * c-parser.c (struct c_token): Add pragma_kind.
8725 (struct c_parser): Add in_pragma.
8726 (c_lex_one_token): Always initialize keyword and pragma_kind.
8727 Extract data for CPP_PRAGMA.
8728 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8729 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8730 Don't allow CPP_PRAGMA_EOL if in_pragma.
8731 (c_parser_consume_pragma): New.
8732 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8733 (c_parser_skip_to_end_of_parameter): Likewise.
8734 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8735 (c_parser_skip_to_pragma_eol): New.
8736 (c_parser_external_declaration): Handle CPP_PRAGMA.
8737 (c_parser_compound_statement_nostart): Likewise.
8738 (c_parser_statement_after_labels): Likewise.
8739 (c_parser_pragma): New.
8740 (pragma_lex): Likewise.
8741 (c_parser_pragma_pch_preprocess): New.
8742 (c_parser_new): Merge into ...
8743 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8745 2006-01-04 Jeff Law <law@redhat.com>
8748 * tree-cfg.c (bsi_replace): Remove the original statement
8749 from the EH throw statement table.
8751 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8753 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8754 make the prototype extern "C" and add throw ().
8757 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8758 and pos non-negative and pos + len <= 32.
8759 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8760 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8761 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8764 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8765 as well as sizes not multiple of component size.
8768 * function.c (instantiate_expr): New function.
8769 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8770 walk its DECL_VALUE_EXPR with instantiate_expr.
8772 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8773 DW_OP_deref{,_size} if address isn't going to be added.
8775 2006-01-04 Ben Elliston <bje@au.ibm.com>
8777 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8778 * config/fp-bit.c: Likewise.
8780 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8782 * dominance.c: Add comment about why we use DFS numbering
8785 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8786 Richard Henderson <rth@redhat.com>
8788 Merge from gomp-branch:
8789 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8790 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8792 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8794 PR rtl-optimization/25578
8795 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8796 pass a parameter to simplify_shift_const if changing ASHIFTRT
8799 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8801 * builtins.c (get_builtin_sync_mem): New function.
8802 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8803 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8804 Call get_builtin_sync_mem to generate mem rtx.
8806 2006-01-03 Richard Guenther <rguenther@suse.de>
8809 * stmt.c (add_case_node): Make sure to clear overflow flags
8812 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8814 Merge from gomp-branch.
8815 * config/sparc/sync.md: New file.
8816 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8817 UNSPECV_LDSTUB): New constants.
8818 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8819 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8820 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8823 2006-01-03 Roger Sayle <roger@eyesopen.com>
8825 * combine.c (reg_subword_p): New predicate to test whether the
8826 destination of a set refers to a subword/piece of a register.
8827 (try_combine): Generalize the code to merge the setting of a
8828 pseudo to a constant followed by a set of a subword of that
8829 register to a constant.
8831 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8833 * basic-block.h (control_flow_graph): Change the type of
8834 x_label_to_block_map to VEC(basic_block,gc) *.
8835 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8836 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8838 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8839 VEC(basic_block,heap) *.
8840 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8841 ssa_prop_fini): Adjust the uses of cfg_blocks.
8843 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8845 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8847 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8848 hashing trees instead of a pointer hash.
8849 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8850 compare for MEM_EXPR.
8852 PR rtl-optimization/25130
8853 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8854 when comparing MEMs for GCSE
8856 2006-01-03 Ben Elliston <bje@au.ibm.com>
8858 * targhooks.h (default_decimal_float_supported_p): Declare.
8859 * targhooks.c (default_decimal_float_supported_p): Define.
8860 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8861 `default_decimal_float_supported_p'.
8862 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8864 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8866 * combine.c (apply_distributive_law <SUBREG>): Check
8867 TRULY_NOOP_TRUNCATION.
8869 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8871 * dwarf2out.c (have_switched_text_section): Delete.
8872 (have_multiple_function_sections): New.
8873 (have_location_lists): Make 'bool'.
8874 (add_AT_loc_list): Use 'true' not '1'.
8875 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8876 (output_loc_list): Use have_multiple_function_sections.
8877 (output_ranges): Likewise.
8878 (dwarf2out_begin_function): Set have_multiple_function_sections if
8880 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8881 Check function_section rather than DECL_SECTION_NAME.
8882 (dwarf2out_finish): Use have_multiple_function_sections.
8883 Don't clear have_location_lists.
8885 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8886 Jan Hubicka <jh@suse.cz>
8888 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8889 case of conditional jump jumping to the next instruction.
8890 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8891 cases of conditional jump jumping to the next instruction.
8893 2006-01-02 Jan Hubicka <jh@suse.cz>
8895 * i386.c (*_cost): Add COSTS_N_INSNS.
8896 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8898 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8901 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8903 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8905 * config/arm/arm.c (all_fpus): Fix comment typo.
8906 * config/darwin.c: Likewise.
8907 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8908 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8909 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8911 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8913 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8914 (rs6000_split_compare_and_swapqhi): New.
8915 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8916 (sync_compare_and_swapqhi_internal): New.
8917 * config/rs6000/rs6000-protos.h: Declare.