1 2006-02-28 Jeff Law <law@redhat.com>
3 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5 the range allowed by TYPE_PRECISION.
7 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11 PR tree-optimization/26419
12 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15 2006-02-27 Zack Weinberg <zackw@panix.com>
17 * doc/md.texi: Fix typo in previous change.
19 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
23 2006-02-27 Zack Weinberg <zackw@panix.com>
25 * rtl.def (define_constraint, define_register_constraint)
26 (define_memory_constraint, define_address_constraint): New MD forms.
27 * gensupport.c (process_rtx): Put define_constraint etc on the
29 * genpreds.c (process_define_predicate): Adjust comment. Validate
30 the name, and call validate_exp to validate the expression.
31 (mark_mode_tests, write_extract_subexp): Can assume correct input.
32 (write_predicate_expr): Likewise. NAME argument no longer necessary;
34 (validate_exp, needs_variable, struct constraint_data)
35 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
36 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
37 (const_dbl_constraints, constraint_max_namelen)
38 (have_register_constraints, have_memory_constraints)
39 (have_address_constraints, have_address_constraints)
40 (have_extra_constraints, have_const_int_constraints)
41 (have_const_dbl_constraints, mangle, add_constraint)
42 (process_define_constraint, process_define_register_constraint)
43 (write_enum_constraint_num, write_lookup_constraint)
44 (write_insn_constraint_len, write_regclass_for_constraint)
45 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
46 (write_insn_extra_memory_constraint)
47 (write_insn_extra_address_constraint)
48 (write_satisfies_constraint_fns): New.
49 (write_tm_preds_h): If we have new-style constraint definitions,
50 prototype the functions generated from them, and define the
51 old constraint interface (still used by generic code) in terms of
53 (write_insn_preds_c): If we have new-style constraint definitions,
54 generate all relevant functions from those definitions.
55 (main): Handle define_constraint etc.
56 * genoutput.c (struct constraint_data, indep_constraints)
57 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
58 (mdep_constraint_len): New data structures and functions, defined
59 #ifdef USE_MD_CONSTRAINTS.
60 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
61 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
62 use new logic to validate operand constraints against constraint
64 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
66 * defaults.h: If none of the old-style constraint macros are
67 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
68 old-style macros; and poison REG_CLASS_FROM_LETTER,
69 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
71 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
72 * doc/md.texi: Document new constraint-definition mechanism and the
73 C interface it provides. Remove references to old mechanism
74 elsewhere in the document.
75 (Machine Constraints): Use pathnames relative to gcc directory,
76 i.e. config/ARCH/FILE. Change i386 section to refer to
77 config/i386/predicates.md; update that section to match docstrings.
78 * doc/tm.texi: Move all documentation of the old constraint-
79 definition macros to their own section, clearly mark as obsolete.
81 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
82 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
84 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
85 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
86 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
88 (splits and peepholes): Use satisfies_constraint_*.
89 * config/i386/i386.c (memory_address_length)
90 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
92 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
94 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
95 scalar operation to be put back into the loop.
97 2006-02-27 Jakub Jelinek <jakub@redhat.com>
100 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
101 (extract_cie_info): Handle S flag in augmentation string.
102 (execute_cfa_program): If context->signal_frame, execute also
103 fs->pc == context->ra instructions.
104 (uw_frame_state_for): If context->signal_frame, don't subtract one
105 from context->ra to find FDE.
106 (uw_update_context_1): Set context->signal_frame to
108 (_Unwind_GetIPInfo): New function.
109 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
110 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
112 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
113 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
114 * unwind-compat.c (_Unwind_GetIPInfo): New function.
115 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
116 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
117 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
118 * config/i386/linux-unwind.h (x86_fallback_frame_state,
119 x86_64_fallback_frame_state): Set fs->signal_frame.
120 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
121 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
122 (frob_update_context): Likewise. Workaround missing S flag in
123 Linux 2.6.12 - 2.6.16 kernel vDSOs.
124 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
125 Remove the psw_addr + 1 hack.
127 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
129 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
130 with aggregates here.
131 (find_func_aliases): Remove code for &<aggregate> from here.
133 2006-02-26 Roger Sayle <roger@eyesopen.com>
135 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
136 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
137 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
140 2006-02-26 Roger Sayle <roger@eyesopen.com>
143 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
145 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
147 * opts.c (decode_options): Do not handle flag_strength_reduce.
148 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
149 and OPT_fstrength_reduce.
150 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
151 flag_prefetch_loop_arrays for being nonzero.
152 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
154 (fprefetch-loop-arrays-rtl): Removed.
155 (flag_prefetch_loop_arrays): Do not specify the value.
157 * doc/passes.texi: Update documentation of loop optimizer
159 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
160 -frerun-loop-opt): Remove.
162 2006-02-26 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/26421
165 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
166 in function calls that are ADDR_EXPRs as using the whole structure.
168 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
170 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
171 * tree-pass.h (pass_loop_optimize): Remove.
172 * passes.c (pass_loop_optimize): Never run it.
173 * toplev.c (backend_init): Don't call init_loop.
174 * opts.c (flag_loop_optimize_set): Remove.
175 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
176 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
177 the old RTL loop optimizer when profiling enabled.
178 * predict.c (tree_estimate_probability): Always strip builtin_expect.
179 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
180 pre-headers for the sake of the old RTL loop optimizer.
181 * Makefile.in: Remove all references to loop.o.
183 * doc/invoke.texi: Remove all references to -floop-optimize
184 and -frerun-loop-opt.
186 2006-02-26 Zack Weinberg <zackw@panix.com>
188 * doc/md.texi (Machine Constraints): Refer to all files with paths
189 relative to gcc directory (i.e. config/CPU/file). Add missing
190 @table @code ... @end table to M32C subsection.
192 2006-02-26 Roger Sayle <roger@eyesopen.com>
194 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
196 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
198 2006-02-26 Roger Sayle <roger@eyesopen.com>
199 James A. Morrison <phython@gcc.gnu.org>
202 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
203 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
204 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
205 signedness of the shift operation.
207 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
209 PR tree-optimization/26359
210 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
212 2006-02-25 Roger Sayle <roger@eyesopen.com>
214 * simplify-rtx.c (simplify_relational_operation_1): Simplify
215 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
216 as X == 0, and some symmetry related transformations.
217 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
219 2006-02-25 Roger Sayle <roger@eyesopen.com>
222 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
223 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
224 symmetry related transformations. Fold (X^C1) == C2 as
227 2006-02-25 Juergen Weigert <jw@suse.de>
228 Richard Guenther <rguenther@suse.de>
230 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
232 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
234 * combine.c (gen_lowpart_or_truncate): Call
235 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
237 2006-02-24 Diego Novillo <dnovillo@redhat.com>
239 * doc/invoke.texi: Move -fopenmp description to "Options for
241 Remove reference to -lgomp.
243 2006-02-24 David Edelsohn <edelsohn@gnu.org>
245 * doc/install.texi: Require GNU tar version 1.14.
247 2006-02-24 Geoffrey Keating <geoffk@apple.com>
249 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
250 * doc/invoke.texi (C++ Dialect Options): Document
251 -fno-use-cxa-get-exception-ptr.
252 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
253 * configure: Regenerate.
254 * c.opt (fuse-cxa-get-exception-ptr): New.
255 * c-opts.c (c_common_handle_option): Handle
256 OPT_fuse_cxa_get_exception_ptr.
257 * c-common.c (flag_use_cxa_atexit): Update documentation.
258 (flag_use_cxa_get_exception_ptr): New.
259 * c-common.h (flag_use_cxa_get_exception_ptr): New.
260 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
262 (C_COMMON_OVERRIDE_OPTIONS): New.
264 2006-02-24 Roger Sayle <roger@eyesopen.com>
267 * combine.c (try_combine): Explicitly check whether GET_CODE is
268 a SET or a CLOBBER, instead on checking that it isn't a USE.
270 2006-02-24 Roger Sayle <roger@eyesopen.com>
272 * fold-const.c (fold_comparison): New subroutine of fold_binary
273 containing transformations common to both the equality and
274 ordering relational operators, factored out of fold_binary.
275 (fold_binary): Separate out the equality operators (EQ_EXPR
276 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
277 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
278 transformations common to both.
279 (fold_div_compare): Fix latent bugs in the previously unreachable
280 LT_EXPR and GE_EXPR cases.
282 2006-02-24 David Edelsohn <edelsohn@gnu.org>
284 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
285 decl libname for clog to __clog on AIX.
287 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
289 2006-02-24 Alan Modra <amodra@bigpond.net.au>
292 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
293 output traceback table for thunks. Localise rs6000_stack_info call.
295 2006-02-23 Roger Sayle <roger@eyesopen.com>
296 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
298 * gthr-posix.h (__gthrw): Fix typo in comment.
300 2006-02-23 Geoffrey Keating <geoffk@apple.com>
302 * doc/cpp.texi (Character sets): Document that we do support
303 input files to be in any character set.
305 2006-02-23 Jeff Law <law@redhat.com>
307 * tree.h (PHI_ARG_NONZERO): Remove.
308 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
309 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
310 node to the new node.
312 PR tree-optimization/26425
313 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
314 min/max, then assume its varying.
316 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
318 PR rtl-optimization/26316
319 * rtlanal.c (enum may_trap_p_flags): New.
320 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
321 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
322 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
323 (may_trap_after_code_motion_p): New function.
324 * loop-invariant.c (find_identical_invariants): Fix dump formating.
325 (find_invariant_insn): Use may_trap_after_code_motion_p.
326 * rtl.h (may_trap_after_code_motion_p): Declare.
328 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
330 * emit-rtl.c (immed_double_const): Cleanup.
332 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
334 Fix PR tree-optimization/26376
335 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
338 2006-02-23 Jakub Jelinek <jakub@redhat.com>
341 * gimplify.c (omp_add_variable): Guard variable size decl test with
342 DECL_SIZE (decl) check.
344 2006-02-23 Richard Guenther <rguenther@suse.de>
347 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
348 like aggregate types.
350 2006-02-23 Jakub Jelinek <jakub@redhat.com>
352 * configure.ac: Add --with{,out}-long-double-128 configure option.
353 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
354 * configure: Rebuilt.
355 * config.in: Rebuilt.
356 * doc/install.texi (Options specification): Document
357 --with-long-double-128.
359 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
360 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
361 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
362 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
364 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
366 * config/s390/s390.c (override_options): Handle
367 TARGET_DEFAULT_LONG_DOUBLE_128.
369 * config/alpha/alpha.c (override_options): Handle
370 TARGET_DEFAULT_LONG_DOUBLE_128.
372 * config/sparc/sparc.c (sparc_override_options): Handle
373 TARGET_DEFAULT_LONG_DOUBLE_128.
375 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
377 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
378 (real-install-headers-tar, real-install-headers-cpio)
379 (real-install-headers-cp): New targets.
381 2006-02-22 Richard Sandiford <richard@codesourcery.com>
383 * tree.h (variable_section): Delete.
384 * varasm.c (variable_section): Delete.
386 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
388 * install.texi: Add notes on install.texi2html.
389 (Building in parallel): Do not use footnotes.
391 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
394 * doc/install.texi (Configuration): Document --disable-libgomp.
396 2006-02-21 Geoffrey Keating <geoffk@apple.com>
398 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
400 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
402 * config/i386/sse.md (vec_extractv2df_1_sse): New.
403 (vec_extractv2df_0_sse): New.
405 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
407 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
408 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
409 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
410 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
411 to the result of the expression.
413 (frame_pointer_cfa_offset): Rename to...
414 (frame_pointer_fb_offset): ... this. Adjust all uses.
415 (convert_cfa_to_loc_list): Rename to...
416 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
417 Pass it on to build_cfa_loc.
418 (compute_frame_pointer_to_cfa_displacement): Rename to...
419 (compute_frame_pointer_to_fb_displacement): ... this. New
420 offset parameter. Use it in computation.
421 (gen_subprogram_die): Compute cfa_fb_offset with the new
422 macro, and use it to compute the fb loc list and the
425 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
427 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
428 replaced with register_operand.
429 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
430 non-DREG is expensive.
431 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
432 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
435 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
437 * doc/install.texi2html: Use set -e.
439 2006-02-21 Richard Sandiford <richard@codesourcery.com>
441 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
442 (ASM_OUTPUT_SHARED_LOCAL): Delete.
443 * doc/invoke.texi (-fshared-data): Delete.
444 * common.opt (fshared-data): Delete.
445 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
446 (assemble_static_space): Remove #if 0 code.
447 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
448 (ASM_OUTPUT_SHARED_LOCAL): Poison.
449 * config/cris/cris.h: Remove FIXME.
451 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
453 * doc/sourcebuild.texi (Front End Directory): No more double-colon
456 2006-02-21 Jakub Jelinek <jakub@redhat.com>
459 * combine.c (simplify_shift_const_1): Disable nested shifts
460 optimization for vector shifts.
462 2006-02-20 Roger Sayle <roger@eyesopen.com>
464 PR tree-optimization/26361
465 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
466 of unsigned integer types.
468 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
470 * tree-chrec.c (eq_evolutions_p): New.
471 * tree-chrec.h (eq_evolutions_p): Declared.
472 * tree-data-ref.c: Fix formatting.
473 (datadep_stats, dependence_stats): New.
475 (print_direction_vector): New.
476 (dump_data_dependence_relation): Use print_direction_vector.
477 (object_analysis, create_data_ref): Handle COMPONENT_REF.
478 (compute_subscript_distance): Static.
479 (initialize_data_dependence_relation): Static. Get the number
480 of loops surrounding the references from the callers, and initialize
481 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
482 base_object_differ_p analyzers.
483 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
484 compute_overlap_steps_for_affine_1_2,
485 analyze_subscript_affine_affine): Count the classified dependences.
486 Print a message when a test failed.
487 (can_use_analyze_subscript_affine_affine): New.
488 (analyze_siv_subscript): Compute the data dependences on symbolic
489 scevs that verify can_use_analyze_subscript_affine_affine.
490 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
491 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
492 Handle symbolic scevs.
493 (analyze_overlapping_iterations): Let symbolic affine scevs to be
495 (subscript_dependence_tester): Moved...
496 (build_classic_dist_vector, build_classic_dir_vector): Don't use
497 lambda_vector_clear on newly allocated vectors. Get nb_loops from
498 DDR_SIZE_VECT instead of getting it in parameter.
499 (subscript_dependence_tester): ... here. Take as a parameter
500 loop_nest_depth. Call build_classic_dist_vector and
501 build_classic_dir_vector.
502 (compute_affine_dependence): Update subscript_dependence_tester
503 parameters. Update datadep_stats counters. Call
504 compute_subscript_distance.
505 (compute_self_dependence): Save the dist and dir vectors. Call
506 compute_subscript_distance.
507 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
508 (compute_all_dependences): Reorder parameters as they were before
509 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
510 compute_subscript_distance. Update the use of
511 compute_affine_dependence and initialize_data_dependence_relation.
512 (find_data_references_in_loop): Handle COMPONENT_REF.
513 (compute_data_dependences_for_loop): Initialize dependence_stats.
514 Don't call build_classic_dist_vector and build_classic_dir_vector.
515 Update the parameters of initialize_data_dependence_relation and
516 compute_all_dependences. Print the statistics from datadep_stats.
517 (analyze_all_data_dependences): Static. Not used until the pass for
518 checking the data dependences is contributed.
519 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
520 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
521 (initialize_data_dependence_relation, compute_affine_dependence,
522 analyze_all_data_dependences, compute_subscript_distance): Removed.
523 (print_direction_vector): New.
524 * lambda.h (gcd): ... here.
525 (lambda_vector_gcd): Moved here from gcd_vector.
526 * lambda-code.c (gcd, gcd_vector): Removed.
527 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
528 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
530 2006-02-20 Diego Novillo <dnovillo@redhat.com>
532 * ipa-type-escape.c: Tidy some comments and white space.
533 * tree-ssa-operands.c: Likewise.
535 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
538 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
539 (dump_decl_name): Do not walk the decl tree chains.
540 * tree-pass.h (TDF_CHAIN): Remove.
542 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
544 * Makefile.in (C): Remove
546 (.PHONY): Remove C and PROTO
548 2006-02-20 Roger Sayle <roger@eyesopen.com>
551 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
552 deprecated CHAR_TYPE tree code.
554 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
556 * configure.ac (target_list): Add install-info, dvi, html.
557 * configure: Regenerate.
559 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
560 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
561 treelang/Make-lang.in: Do not use double-colon rules.
563 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
565 * tree.h (struct tree_memory_tag): Add is_used_alone member.
566 (TMT_USED_ALONE): New macro.
567 * tree-pass.h (PROP_tmt_usage): New property.
568 (TODO_update_tmt_usage): New todo.
569 * tree-ssa-alias.c (updating_used_alone): New variable.
570 (recalculate_used_alone): New function.
571 (compute_may_aliases): Set updating_used_alone, call
572 recalculate_used_alone.
573 * tree-sra.c (pass_sra): Note that this pass destroys
574 PROP_tmt_usage, and add TODO_update_tmt_usage.
575 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
576 * tree-flow.h (updating_used_alone): Prototype.
577 (recalculate_used_alone): Ditto.
578 * passes.c (execute_todo): Add code to set updating_used_alone,
579 and call recalculate.
580 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
581 for clobber if used alone, and add assert to verify used_alone
584 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
586 * config/s390/s390.c (legitimize_pic_address): Assertions checking
587 for non tls symbols added.
588 (legitimize_address): Do nothing for PLUS expressions if one of the
589 addends is a tls symbol reference.
591 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
595 * Makefile.in (LDFLAGS): Define from autoconf substitution.
597 * Makefile.in (BOOTSTRAPPING): New.
598 (quickstrap): New definition if BOOTSTRAPPING=yes.
600 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
601 * configure.ac: Substitute all_selected_languages with the languages
602 that were configured. For all the other variables except
603 lang_specs_files, include all the languages in the tree.
604 * configure: Regenerate.
606 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
607 if there is one. Run the commands to run fixincludes in the same
610 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
611 * doc/install.texi: Document exact conventions for searching target tools.
612 Document --with-build-time-tools. Document toplevel bootstrap. Document
613 something more about building an Ada cross-compiler. Don't list GNU Make
614 requirements which affect all platforms.
616 2006-02-19 Roger Sayle <roger@eyesopen.com>
619 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
620 only equivalent if the have both the same mode and precision.
622 2006-02-20 Ben Elliston <bje@au.ibm.com>
624 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
626 2006-02-19 Roger Sayle <roger@eyesopen.com>
627 Steven Bosscher <stevenb.gcc@gmail.com>
629 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
630 constant pool references to identify stack mode constants.
631 * rtlanal.c (constant_pool_constant_p): New predicate to check
632 whether operand is a floating point constant in the pool.
633 * rtl.h (constant_pool_constant_p): Prototype here.
634 * loop.c (scan_loop): Avoid hoisting constants from the constant
635 pool on STACK_REGS targets.
636 (load_mems): Likewise.
637 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
638 loads into x87 registers expensive in terms of register pressure.
640 2006-02-19 Roger Sayle <roger@eyesopen.com>
642 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
643 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
645 2006-02-19 David Edelsohn <edelsohn@gnu.org>
647 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
648 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
650 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
652 * doc/invoke.texi: Document -fipa-pta.
653 * common.opt: Add ipa-pta option.
654 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
655 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
656 (do_ds_constraint): Ditto.
657 (get_constraint_for): Only add to referenced_vars if
658 referenced_vars exists.
659 (insert_into_field_list): Rewrite to do this unsorted.
660 (insert_into_field_list_sorted): Rename old insert_into_field_list
662 (create_function_info_for): Use insert_into_field_list_sorted.
663 (create_variable_info_for): Rewrite so it uses unsorted version,
664 since the field list is sorted.
665 (intra_create_variable_infos): Only add to referenced_vars if
666 referenced_vars exists.
667 (ipa_pta_execute): Init heapvars, and delete when done.
668 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
670 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
672 * doc/install.texi: Add missing `@samp'.
674 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
676 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
679 2006-02-18 Mark Wielaard <mark@klomp.org>
681 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
682 who added new 4.1 features, bug fixes and integration support.
684 2006-02-18 David Edelsohn <edelsohn@gnu.org>
687 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
690 2006-02-18 Richard Sandiford <richard@codesourcery.com>
692 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
693 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
694 (copy_insn_1): Likewise. Don't copy each field individually.
696 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
698 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
699 * rtl.c (rtx_size): Rename variable to...
700 (rtx_code_size): ...this.
701 (rtx_size): New function.
702 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
703 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
705 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
706 * rtl.h (rtx_code_size): New variable.
707 (rtx_size): Change from a variable to a function.
708 (RTX_SIZE): Rename to...
709 (RTX_CODE_SIZE): ...this.
712 PR tree-optimization/17106
713 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
714 (Anchored Addresses): New section.
715 * doc/invoke.texi (-fsection-anchors): Document.
716 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
717 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
718 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
719 * hooks.c (hook_bool_mode_rtx_false): New function.
720 * hooks.h (hook_bool_mode_rtx_false): Declare.
721 * gengtype.c (create_optional_field): New function.
722 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
723 SYMBOL_REF_IN_BLOCK_P is true.
724 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
725 (min_anchor_offset, max_anchor_offset): Likewise.
726 (use_anchors_for_symbol_p): New hook.
727 * toplev.c (compile_file): Call output_object_blocks.
728 (target_supports_section_anchors_p): New function.
729 (process_options): Check that -fsection-anchors is only used on
730 targets that support it and when -funit-at-a-time is in effect.
731 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
732 if the decl doesn't have one.
733 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
734 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
735 of force_const_mem through use_anchored_address.
736 (expand_expr_constant): New function.
737 (expand_expr_addr_expr_1): Call it. Use the same modifier when
738 calling expand_expr for INDIRECT_REF.
739 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
740 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
741 * expr.h (use_anchored_address): Declare.
742 * loop-unroll.c: Don't declare rtx vectors here.
743 * explow.c: Include output.h.
744 (validize_mem): Call use_anchored_address.
745 (use_anchored_address): New function.
746 * common.opt (-fsection-anchors): New switch.
747 * varasm.c (object_block_htab, anchor_labelno): New variables.
748 (hash_section, object_block_entry_eq, object_block_entry_hash)
749 (use_object_blocks_p, get_block_for_section, create_block_symbol)
750 (use_blocks_for_decl_p, change_symbol_section): New functions.
751 (get_variable_section): New function, split out from assemble_variable.
752 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
753 use_blocks_for_decl_p say so. Use change_symbol_section if the
754 symbol has already been created.
755 (assemble_variable_contents): New function, split out from...
756 (assemble_variable): ...here. Don't output any code for
757 block symbols; just pass them to place_block_symbol.
758 Use get_variable_section and assemble_variable_contents.
759 (get_constant_alignment, get_constant_section, get_constant_size): New
760 functions, split from output_constant_def_contents.
761 (build_constant_desc): Create a block symbol if use_object_blocks_p
762 says so. Or into SYMBOL_REF_FLAGS.
763 (assemble_constant_contents): New function, split from...
764 (output_constant_def_contents): ...here. Don't output any code
765 for block symbols; just pass them to place_section_symbol.
766 Use get_constant_section and get_constant_alignment.
767 (force_const_mem): Create a block symbol if use_object_blocks_p and
768 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
769 (output_constant_pool_1): Add an explicit alignment argument.
770 Don't switch sections here.
771 (output_constant_pool): Adjust call to output_constant_pool_1.
772 Switch sections here instead. Don't output anything for block symbols;
773 just pass them to place_block_symbol.
774 (init_varasm_once): Initialize object_block_htab.
775 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
776 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
777 (place_block_symbol, get_section_anchor, output_object_block)
778 (output_object_block_htab, output_object_blocks): New functions.
779 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
780 (TARGET_ASM_OUT): Include it.
781 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
782 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
783 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
784 (TARGET_INITIALIZER): Include them.
785 * rtl.c (rtl_check_failed_block_symbol): New function.
786 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
787 (block_symbol, object_block): New structures.
788 (rtx_def): Add a block_symbol field to the union.
789 (BLOCK_SYMBOL_CHECK): New macro.
790 (rtl_check_failed_block_symbol): Declare.
791 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
792 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
793 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
794 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
795 * output.h (output_section_symbols): Declare.
796 (object_block): Name structure.
797 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
798 (default_use_anchors_for_symbol_p): Declare.
799 * Makefile.in (RTL_BASE_H): Add vec.h.
800 (explow.o): Depend on output.h.
801 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
802 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
803 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
804 (rs6000_use_blocks_for_constant_p): New function.
806 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
808 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
810 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
813 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
816 2006-02-18 Diego Novillo <dnovillo@redhat.com>
818 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
822 2006-02-18 Jakub Jelinek <jakub@redhat.com>
825 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
826 instead of DECL_REGISTER.
828 2006-02-18 Olivier Hainque <hainque@adacore.com>
831 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
833 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
836 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
837 * opth-gen.awk: Handle Var and InverseMask together.
838 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
839 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
840 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
841 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
843 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
844 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
845 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
846 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
847 LINUX_DYNAMIC_LINKER): Define.
848 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
849 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
851 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
852 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
853 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
854 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
855 (TARGET_C99_FUNCTIONS): Don't define.
856 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
857 GLIBC_DYNAMIC_LINKER.
858 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
859 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
860 GLIBC_DYNAMIC_LINKER64): Define.
861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
862 LINUX_DYNAMIC_LINKER64.
863 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
865 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
867 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
869 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
870 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
871 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
873 and LINUX_DYNAMIC_LINKER32.
874 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
876 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
878 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
880 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
881 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
882 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
883 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
884 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
885 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
886 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
887 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
888 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
889 LINUX_DYNAMIC_LINKER): Define.
890 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
891 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
892 GLIBC_DYNAMIC_LINKER64): Define.
893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
894 LINUX_DYNAMIC_LINKER64.
895 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
896 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
897 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
898 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
899 LINUX_DYNAMIC_LINKER): Define.
900 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
901 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
902 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
903 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
904 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
905 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
906 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
907 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
908 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
909 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
911 * doc/invoke.texi (-muclibc): Remove caveat about supported
914 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
916 * doc/cpp.texi (__TIMESTAMP__): Document.
918 2006-02-17 Roger Sayle <roger@eyesopen.com>
921 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
922 C is one less than the width of X (and related transformations).
923 * simplify_rtx.c (simplify_unary_operation_1): Transform
924 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
925 depending on STORE_FLAG_VALUE, were C is one less then the
928 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
930 Fix PR tree-optimization/26341
931 * tree-ssa-operands.c (add_virtual_operand): Remove assert
932 about NAME_MEMORY_TAG's.
934 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
937 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
938 with hardware float support, and software float support. Add fcpy
939 alternative to hardware patterns. Add alternatives to copy between
940 general and floating-point registers to the 32-bit pattern.
941 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
942 secondary reload to load a QI or HI mode constant into a floating
944 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
945 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
947 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
950 * config/rs6000/darwin.md (load_macho_picbase_si): Add
952 (load_macho_picbase_di): Likewise.
954 2006-02-16 Jeff Law <law@redhat.com>
956 * tree-vrp.c (set_value_range_to_nonnegative): New function.
957 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
958 (ssa_name_nonzero_p): Likewise.
959 (get_value_range): Return NULL if VRP is not running.
960 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
961 VRP routines do not discover a range.
962 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
963 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
964 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
965 (tree_expr_nonnegative_p): Similarly.
966 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
967 (restore_nonzero_vars_to_original_value): Remove.
968 (unsafe_associative_fp_binop): Remove.
969 (tree_ssa_dominator_optimize): Remove initialization and
970 finalization of nonzero_vars and nonzero_vars_stack.
971 (dom_opt_initialize_block): No longer push marker on
973 (dom_opt_finalize_block): No longer call
974 restore_nonzero_vars_to_original_value.
975 (record_equivalences_from_phis): No longer look for
976 nonzero PHI arguments.
977 (cprop_into_successor_phis): No longer propagate nonzero
978 property into PHI arguments. Lose unused argument. Caller
980 (record_equivalences_from_stmt): No longer record nonzero
981 values for SSA_NAMEs.
982 (lookup_avail_expr): No longer use nonzero_vars.
984 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
985 for sizetype when sizetype is unsigned.
987 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
989 PR rtl-optimization/25603
990 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
991 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
992 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
993 with new meaning of SETS.
995 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1000 * config/linux.opt: New file.
1001 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1002 LINUX_DYNAMIC_LINKER): Define.
1003 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1004 * config.gcc (*-*-linux*): Define extra_options.
1005 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1006 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1007 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1008 GLIBC_DYNAMIC_LINKER.
1009 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1010 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1011 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1012 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1013 * doc/invoke.texi (GNU/Linux Options): New section.
1015 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1017 * config/sparc/sparc.md (setjmp): Rewrite.
1018 (setjmp_32): Delete.
1019 (setjmp_64): Likewise.
1021 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1023 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1026 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1028 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1031 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1033 PR rtl-optimization/26296
1034 * Makefile.in (loop-invariant.c): Add except.h dependency.
1035 * loop-invariant.c: Include except.h.
1036 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1038 2005-02-16 Paul Brook <paul@codesourcery.com>
1040 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1043 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1045 PR rtl-optimization/25636
1046 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1047 when deciding whether an insn is an initializing insn.
1049 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1051 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1052 (tree_code_size): Ditto.
1053 * tree.h (struct tree_memory_tag): Remove parent_var.
1054 (struct tree_struct_field_tag): New.
1057 (union tree_node): Add sft member.
1058 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1060 (create_sft): Add size and offset argument, set SFT_OFFSET and
1062 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1063 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1064 * tree-flow-inline.h (get_subvar_at): Update for
1065 SFT_OFFSET/SFT_SIZE.
1066 (var_can_have_subvars): Ditto.
1067 (overlap_subvar): Ditto.
1068 * print-tree.c (print_node): Print out interesting things for
1070 * tree-flow.h (struct subvar): Remove offset and size members.
1071 * tree-ssa-operands.c (get_expr_operands): Update for
1072 get_indirect_ref_operands changes.
1073 (get_indirect_ref_operands): Call add_virtual_operand instead of
1074 add_stmt_operand. Only recurse on base var if requested.
1075 (access_can_touch_variable): New function.
1076 (add_stmt_operand): Split virtual operand handling into ...
1077 (add_virtual_operand): Here. Add offset, size, and for_clobber
1078 arguments. Prune alias sets.
1079 (add_call_clobber_ops): Call add_virtual_operand.
1081 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1084 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1086 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1087 than TREE_CODE as index into omp_clause_num_ops array.
1089 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1091 PR rtl-optimization/26184
1092 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1094 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1095 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1096 must_precede, must_follow and tobe_scheduled.
1099 * opts.c (common_handle_option): Free new_option pointer.
1100 * df-core.c (df_analyze): Free postorder pointer.
1102 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1104 * Makefile.in: Fix the examples about the use of stamps
1106 2006-02-15 Michael Matz <matz@suse.de>
1110 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1111 influenced by maximum_field_alignment or DECL_PACKED.
1112 (update_alignment_for_field): Ditto.
1113 (place_field): Ditto.
1114 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1117 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1119 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1120 (debug_flow_info): Pass it.
1121 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1122 * bb-reorder.c (reorder_basic_blocks): Likewise.
1123 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1124 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1125 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1126 * gcse.c (gcse_main, bypass_jumps): Likewise.
1127 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1128 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1129 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1130 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1131 * rtl.h (dump_flow_info): Adjust prototype.
1132 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1133 * var-tracking.c (variable_tracking_main): Likewise.
1134 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1135 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1138 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1140 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1143 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1145 PR tree-optimization/26209
1146 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1147 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1149 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1151 2006-02-14 Roger Sayle <roger@eyesopen.com>
1154 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1155 (X,Y) and the corresponding symmetry related transformations.
1156 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1157 (X,Y) and its symmetry related transformations.
1159 2006-02-14 Roger Sayle <roger@eyesopen.com>
1161 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1164 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1166 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1168 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1171 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1172 support COMDAT group.
1173 * configure: Regenerate.
1175 2006-02-14 Roger Sayle <roger@eyesopen.com>
1180 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1182 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1184 Fix PR tree-optimization/26260
1186 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1188 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1189 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1190 * tree-ssa-structalias.c (create_variable_info_for): Use
1191 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1193 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1195 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1197 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1198 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1199 of the ending condition.
1200 * tree-ssa-loop-manip.c: Include params.h.
1201 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1202 tree_unroll_loop): New functions.
1203 * tree-pass.h (pass_loop_prefetch): Declare.
1204 * loop.c (rest_of_handle_loop_optimize): Test for
1205 -fprefetch-loop-arrays-rtl.
1206 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1207 * timevar.def (TV_TREE_PREFETCH): New timevar.
1208 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1209 pass_loop_prefetch): New.
1210 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1211 (cleanup_tree_cfg_loop): Call scev_reset.
1212 * common.opt (fprefetch-loop-arrays-rtl): Add.
1213 * tree-ssa-loop-prefetch.c: New file.
1214 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1215 (new_temp_expr_table): Initialize expr_vars.
1216 (free_temp_expr_table): Cleanup expr_vars.
1217 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1218 expressions from being merged into one.
1219 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1220 (struct tree_niter_desc): Add control, bound and cmp fields.
1221 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1223 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1224 (tree-cfgcleanup.o): Add SCEV_H dependency.
1225 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1226 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1228 2006-02-14 Richard Guenther <rguenther@suse.de>
1230 PR tree-optimization/26258
1231 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1232 in PHI argument processing.
1234 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1236 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1237 new expression in the requested machine mode.
1239 2006-02-13 Roger Sayle <roger@eyesopen.com>
1241 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1242 directly, instead let do_compare_rtx_and_jump handle this for us.
1243 * expr.c (expand_expr_real_1): Likewise.
1244 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1245 before do_jump_by_parts_greater.
1246 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1247 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1249 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1251 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1253 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1255 PR rtl-optimization/26235
1256 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1257 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1260 2006-02-13 Jeff Law <law@redhat.com>
1262 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1265 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1268 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1269 twice if decl is a builtin. When trying again, call get_callee_fndecl
1270 first to verify it is still a builtin.
1272 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1274 * dwarf2out.c (base_type_die): Don't add AT_name here.
1275 (subrange_type_die): Don't add AT_name here.
1276 (modified_type_die): Rearrange code flow. Do add AT_name here.
1278 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1280 PR rtl-optimization/26247
1281 PR rtl-optimization/26248
1282 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1284 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1286 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1287 * config/fixtfdi.c: Likewise.
1288 * config/fixunstfdi.c: Likewise.
1289 * config/floatditf.c: Likewise.
1291 2006-02-13 Roger Sayle <roger@eyesopen.com>
1294 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1295 into (X,C2) if C1 is a subset of the bits of C2. Transform
1296 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1298 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1300 2006-02-13 Josh Conner <jconner@apple.com>
1303 * varasm.c (function_section): Check for section name before
1304 calling select_section on targets that define
1305 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1306 unlikely_text_section instead of hot_function_section if
1307 first_function_block_is_cold.
1309 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1312 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1314 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1316 PR rtl-optimization/26222
1317 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1318 after tree->rtl expansion.
1319 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1320 before passing it to emit_move_insn.
1322 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1324 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1326 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1327 Clarify documentation.
1328 * c-common.h (warn_write_strings): Remove.
1329 * c-common.c (warn_write_strings): Likewise.
1330 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1333 2006-02-12 Roger Sayle <roger@eyesopen.com>
1336 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1337 (do_jump_parts_zero_rtx): New function renamed from
1338 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1339 (do_jump_parts_equality_rtx): New function split out from
1340 do_jump_parts_equality. Old implementation renamed as above.
1341 Call do_jump_parts_zero_rtx if either operand is zero.
1342 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1343 do all of the heavy lifting.
1344 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1345 calling either do_jump_by_parts_greater_rtx or
1346 do_jump_by_parts_equality_rtx.
1347 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1348 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1349 moved to do_compare_rtx_and_jump, call it directly.
1350 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1351 mode argument. Call do_compare_rtx_and_jump.
1352 (emit_case_nodes): Update calls to do_jump_if_equal.
1354 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1356 PR rtl-optimization/26225
1357 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1359 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1361 PR rtl-optimization/26232
1362 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1364 2006-02-11 Jason Merrill <jason@redhat.com>
1367 * tree-inline.c (declare_return_variable): Just don't use the
1368 modify target if it's a gimple complex reg and the return slot
1371 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1373 * doc/contrib.texi: Update my entry.
1375 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1377 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1379 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1381 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1384 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1386 * doc/invoke.texi (-floop-optimize2): Removed.
1387 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1388 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1389 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1390 * common.opt (floop-optimize2): Removed.
1391 (fmove-loop-invariants): Enabled by default.
1393 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1395 * tree-if-conv.c (combine_blocks): Free the result of
1396 get_loop_exit_edges.
1398 2006-02-10 Jeff Law <law@redhat.com>
1400 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1402 PR tree-optimization/26213
1403 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1404 loop trying to follow SSA_NAME_VALUE chains.
1406 2006-02-10 Richard Guenther <rguenther@suse.de>
1408 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1409 deal with structures that end in implicitly variable sized arrays.
1411 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1413 PR rtl-optimization/24762
1414 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1417 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1419 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1420 (struct ivopts_data): Add regs_used field.
1421 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1422 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1423 instead of loop_data->regs_used;
1424 (free_loop_data): Do not free aux fields for loops.
1425 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1426 and tree_ssa_iv_optimize_finalize.
1428 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1430 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1432 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1435 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1436 computing the effective result type.
1438 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1441 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1442 (tree_overlaps_hard_reg_set): Declare.
1443 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1444 type and signature to match function type expected by walk_tree.
1445 (tree_overlaps_hard_reg_set): New function.
1446 (decl_conflicts_with_clobbers_p): Rename to:
1447 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1448 Use tree_overlaps_hard_reg_set. Changed caller.
1449 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1450 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1451 * cris.c (cris_md_asm_clobbers): Likewise.
1453 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1455 * reload1.c (emit_input_reload_insns): Delete code that tries to
1456 inherit using find_equiv_reg.
1458 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1460 * c-common.h (flag_const_strings): Don't declare.
1461 * c-common.c (flag_const_strings): Remove.
1462 * c.opt (fconst_strings): Remove.
1463 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1464 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1465 (c_common_init_options): Don't set flag_const_strings.
1466 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1468 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1470 * arm.md (tlobits_cbranch): New pattern.
1471 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1472 testing a single bit.
1474 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1477 * tree-ssa-pre.c (create_component_ref_by_pieces):
1478 Handle RETURN_DECL like VAR_DECL.
1480 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1483 * fold-const.c (fold_indirect_ref_1): Fold
1484 "*(foo *)&complexfoo" to "__real__ complexfoo"
1485 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1487 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1489 * tree-flow-inline.h (var_can_have_subvars):
1490 Volatile variables should not have subvariables.
1492 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1495 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1496 multiplying unsigned values.
1499 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1501 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1503 2006-02-08 Jason Merrill <jason@redhat.com>
1506 * tree.def: Elaborate on difference from MODIFY_EXPR.
1507 * doc/c-tree.texi (INIT_EXPR): Likewise.
1508 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1509 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1510 (gimplify_target_expr): Likewise.
1511 (gimplify_cond_expr): Remove target handling.
1512 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1513 (gimplify_expr): Clobber it here.
1514 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1515 Do return slot optimization if we have an INIT_EXPR.
1518 * tree-inline.c (declare_return_variable): Also clear
1519 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1522 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1525 * gimplify.c (gimplify_one_sizepos): Fix typo.
1527 2006-02-08 Jeff Law <law@redhat.com>
1529 PR tree-optimization/21417
1530 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1531 across a backedge if the control statement at the end of the
1532 block is data dependent on other statements in the same block.
1533 (record_temporary_equivalences_from_stmts): Remove over-conservative
1534 test for threading across backedges.
1536 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1537 control statement, handle all three special cases in the same
1538 manner as they all have the same desired solution. No longer
1539 special case edge flag updating when the post dominator is
1542 2006-02-08 Roger Sayle <roger@eyesopen.com>
1544 * tree.def (CHAR_TYPE): Remove.
1545 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1546 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1547 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1548 (gen_string_type_die): Delete unreachable function.
1550 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1551 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1552 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1553 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1554 * builtins.c (type_to_class): Likewise.
1555 * fold-const.c (fold_convert, build_range_check,
1556 merge_ranges): Likewise.
1557 * expr.c (count_type_elements): Likewise.
1558 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1559 * stor-layout.c (layout_type): Likewise.
1560 * ipa-type-escape.c (type_to_consider): Likewise.
1561 * gimplify.c (omp_firstprivatize_type_sizes,
1562 gimplify_type_sizes): Likewise.
1563 * explow.c (promote_mode): Likewise.
1564 * tree-sra.c (is_sra_scalar_type): Likewise.
1565 * varasm.c (output_constant): Likewise.
1566 * tree-inline.c (remap_type_1): Likewise.
1567 * convert.c (convert_to_pointer, convert_to_real,
1568 convert_to_integer, convert_to_complex): Likewise.
1570 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1572 * df-scan.c (df_def_record_1): A set destination may
1573 be a parallel regardless of mode.
1575 2006-02-08 Roger Sayle <roger@eyesopen.com>
1578 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1579 * config/mips/_tilib.c: Remove.
1580 * config/fixtfdi.c: New libgcc source file.
1581 * config/fixunstfdi.c: New source file.
1582 * config/floatditf.c: New source file.
1583 * config/floatunditf.c: New souce file.
1584 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1585 files above instead of config/mips/_tilib.c.
1586 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1588 2006-02-08 Jeff Law <law@redhat.com>
1590 PR tree-optimization/26169
1591 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1594 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1596 * df.h (DF_REG_SIZE): Return the length of the initialized
1599 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1601 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1602 __muldf3): Return a correctly signed zero.
1604 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1606 * passes.c (register_one_dump_file): Accept the current properties
1607 instead of pass number. Adjust call to dump_register. Remove
1609 (register_dump_files): Now a wrapper around...
1610 (register_dump_files_1): ... this one. Do not modify the pass
1612 (next_pass_1): Cosmetic fix.
1613 (execute_todo): Keep second parameter only. Use curr_properties
1614 instead of fetching it from the pass structure. Check and set
1616 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1617 instead of fetching it from the pass structure. Fix calls to
1618 execute_todo. Update curr_properties and initialize .vcg RTL dump
1619 after running the pass. Reset last_verified.
1620 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1622 (FIRST_AUTO_NUMBERED_DUMP): New.
1623 (dump_register): Remove "num" parameter, assign it within the
1625 (get_dump_file_name): Modify template for dumps.
1626 * tree-dump.h (dump_register): Adjust prototype.
1627 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1628 (PROP_trees): Add PROP_gimple_lomp.
1629 (TODO_set_props): New.
1630 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1631 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1632 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1634 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1636 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1637 (sparc64-*-linux*): Likewise.
1638 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1639 * config/sparc/t-linux: New file.
1640 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1641 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1642 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1643 -m32 -mlong-double-128.
1645 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1646 * config/alpha/t-linux: New file.
1647 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1649 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1650 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1651 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1652 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1653 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1654 (CPP_ARCH32_SPEC): Remove.
1656 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1658 PR tree-optimization/26145
1659 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1662 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1665 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1666 >= 240000 when generating code for SOM runtime.
1667 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1668 to $$dyncall when generating code for SOM runtime..
1670 2006-02-07 Dirk Mueller <dmueller@suse.com>
1673 * doc/invoke.texi (-Wsequence-point): Update documentation
1674 that -Wsequence-point is implemented for C++ as well.
1676 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1678 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1679 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1680 (LIB_SPEC): Likewise.
1681 * doc/invoke.texi (SPARC options): Document -pthread.
1683 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1685 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1688 2006-02-07 Roger Sayle <roger@eyesopen.com>
1690 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1691 Correct comment describing BOOLEAN_TYPE.
1693 2006-02-07 Dirk Mueller <dmueller@suse.com>
1695 * c.opt: C++ frontend supports -Wdiv-by-zero.
1696 * c-opts.c (c_common_handle_option): Remove dead case.
1698 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1700 * configure.ac (TLS assembler check): Do not enable TLS by
1701 default on SPARC/Solaris before version 10.
1702 * configure: Regenerate.
1704 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1706 * doc/invoke.texi (xl-compat): Document conversion and support
1709 2006-02-07 Jeff Law <law@redhat.com>
1711 * tree-vrp.c (find_conditional_asserts): Update comments.
1712 (simplify_stmt_for_jump_threading): New.
1713 (identify_jump_threads, finalize_jump_threads): New.
1714 (vrp_finalize): Call identify_jump_threads.
1715 (execute_vrp): Call finalize_jump_threads.
1716 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1717 (vrp_element, vrp_data, vrp_element_p): Remove.
1718 (vrp_hash_elt, vrp_variables_stack): Remove.
1719 (vrp_hash, vrp_eq, record_range): Remove.
1720 (simplify_cond_and_lookup_avail_expr): Remove.
1721 (extract_range_from_cond): Remove.
1722 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1723 (simplify_stmt_for_jump_threading): New.
1724 (dom_thread_across_edge): New wrapper.
1725 (tree_ssa_dominator_optimize): No longer initialize or
1726 finalize any of the VRP datastructures. Remove iteration
1727 step and simplify as a result of removal of iteration step.
1728 (pass_dominator): Perform a cfg cleanup after DOM.
1729 (dom_opt_finalize_block): Use the new common routines
1730 for threading jumps. Simplify stack management slightly.
1731 No longer need to unwind VRP state.
1732 (record_equivalences_from_incoming_edge): No longer record
1734 (eliminate_redundant_computations): No longer call
1735 simplify_cond_and_lookup_avail_expr.
1736 * tree-flow.h (potentially_threadable_block): Prototype.
1737 (thread_across_edge): Likewise.
1738 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1739 (tree-ssa-threadedge.o): Add dependencies.
1740 * tree-ssa-threadedge.c: New file.
1741 * passes.c (init_optimization_passes): Merge PHIs before
1742 calling VRP. Run VRP again late in the SSA optimization pipeline.
1744 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1746 * df-core.c (df_set_blocks): Do not dereference function pointers.
1747 (df_finish1): Likewise.
1748 (df_hybrid_search_forward): Likewise.
1749 (df_hybrid_search_backward): Likewise.
1750 (df_iterative_dataflow): Likewise.
1751 (df_analyze_problem): Likewise.
1752 (df_compact_blocks): Likewise.
1753 (df_dump): Likewise.
1754 * df-scan.c (df_rescan_blocks): Likewise.
1755 (df_record_entry_block_defs): Likewise.
1757 * genconditions.c (write_conditions): Guard the definition of
1758 'insn_conditions' with the check on GCC version.
1759 (write_writer): Guard the traversal 'insn_conditions' with
1760 the check on GCC version.
1762 2006-02-07 Richard Guenther <rguenther@suse.de>
1766 2006-01-30 Richard Guenther <rguenther@suse.de>
1768 * gimplify.c (gimplify_target_expr): Handle easy cases
1769 without creating a temporary.
1771 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1773 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1774 use of float in probability computations. Use edge probabilities
1775 in place of statically computed probabilities.
1776 (min_spec_prob): New static variable.
1777 (schedule_insns): Initialize it.
1778 (GET_SRC_PROB): Removed.
1779 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1781 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1784 * config/ia64/unwind-ia64.c: Revert last change.
1785 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1786 (INCOMING_FRAME_SP_OFFSET): Define.
1788 2006-02-06 Roger Sayle <roger@eyesopen.com>
1790 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1792 2006-02-07 Ben Elliston <bje@au.ibm.com>
1794 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1795 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1796 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1797 (ix86_return_in_memory): Handle TDmode.
1798 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1799 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1801 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1803 * reorg.c (dbr_schedule): Use dump_file instead of file.
1805 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1808 * config/ia64/predicates.md (extr_len_operand): New predicate.
1809 * config/ia64/ia64.md (extv): Tighten constraints.
1811 (*tbit_and_2): Ditto.
1812 (*tbit_and_3): Ditto.
1813 (*tbit_or_2): Ditto.
1814 (*tbit_or_3): Ditto.
1818 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1821 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1823 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1825 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1826 loop_optimizer_init and loop_optimizer_finalize
1827 * tree-ssa-sink.c (execute_sink_code): Ditto.
1828 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1829 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1830 tree_ssa_loop_done): Ditto.
1831 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1832 * sched-ebb.c: Include output.h.
1833 (schedule_ebbs): Do not use dump argument.
1834 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1835 * loop.c (loop_dump_stream): Removed.
1836 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1838 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1839 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1840 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1841 loop_iterations, strength_reduce, record_biv, record_giv,
1842 final_giv_value, check_final_value, check_ext_dependent_givs,
1843 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1844 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1845 dump_file instead of loop_dump_stream.
1846 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1848 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1850 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1851 * haifa-sched.c: Include output.h
1852 (schedule_insns, sched_init): Do not use dump argument.
1853 * mode-switching.c (optimize_mode_switching): Ditto.
1854 * modulo-sched.c (stats_file): Removed.
1855 (print_node_sched_params): Do not call argument dump_file.
1856 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1857 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1859 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1861 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1862 rtl_loop_init, rtl_loop_done): Ditto.
1863 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1864 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1866 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1867 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1868 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1869 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1870 * emit-rtl.c (renumber_insns): Ditto.
1871 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1872 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1873 * regclass.c (regclass): Ditto.
1874 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1875 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1876 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1877 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1879 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1880 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1882 * gcse.c (gcse_file, debug_stderr): Removed.
1883 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1884 rest_of_handle_gcse): Do not use dump argument.
1885 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1886 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1887 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1888 compute_code_hoist_vbeinout, compute_code_hoist_data,
1889 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1890 compute_store_table, build_store_vectors, insert_insn_start_bb,
1891 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1892 store_motion): Use dump_file instead of gcse_file.
1893 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1894 * profile.c (profile_dump_file): Removed.
1895 (branch_prob): Use dump_file instead of profile_dump_file.
1896 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1898 * tree-ssa-copy.c (dump_copy_of): Ditto.
1899 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1900 dump file to life_analysis.
1901 * bt-load.c (branch_target_load_optimize): Ditto.
1902 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1904 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1905 regclass, dbr_schedule): Declaration changed.
1906 * sched-int.h (sched_init): Declaration changed.
1907 * tree-profile.c (tree_profile_dump_file): Removed.
1908 (tree_profile_hooks): Removed profile_dump_file hook.
1909 * rtl-profile (rtl_profile_dump_file): Removed.
1910 (rtl_profile_hooks): emoved profile_dump_file hook.
1911 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1913 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1914 * tree-cfg.c (build_tree_cfg): Ditto.
1915 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1916 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1917 Declaration changed.
1918 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1919 life_analysis and schedule_insns.
1920 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1922 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1924 * config/mips/mips.c (mips_reorg): Ditto.
1925 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1928 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1930 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1931 (s390_mangle_fundamental_type): New.
1932 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1935 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1936 (alpha_mangle_fundamental_type): New.
1937 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1940 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1942 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1944 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1945 (sparc_mangle_fundamental_type): New.
1947 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1949 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1950 (s390x-*-linux*): Likewise.
1951 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1952 * config/s390/t-linux: New file.
1954 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1956 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1957 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1959 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1961 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1962 (ANTIC_SAFE_LOADS): New macro.
1963 (find_or_generate_expression): Add prototype.
1964 (set_contains_value): Allow null set for sake of not always having
1965 to allocate ANTIC_SAFE_LOADS.
1966 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1967 Allow COMPONENT_REF too.
1968 (valid_in_set): Allow COMPONENT_REF.
1969 Check ANTIC_SAFE_LOADS too.
1970 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1971 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1973 (can_PRE_operation): Add COMPONENT_REF.
1974 (create_component_ref_by_pieces): New function.
1975 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1976 (insert_aux): Move AGGREGATE_TYPE_P check here.
1977 (compute_avail): Set bb local stmt uids.
1978 (pass_pre): Use TODO_update_ssa_only_virtuals.
1980 2006-02-06 Ben Elliston <bje@au.ibm.com>
1982 * configure.ac: Unconditionally disable decimal float by default.
1983 * configure: Regenerate.
1985 2006-02-06 Ben Elliston <bje@au.ibm.com>
1987 * read-rtl.c (read_name): Terminate reading on EOF.
1989 2006-02-06 Ben Elliston <bje@au.ibm.com>
1991 * dfp.c (decimal_real_arithmetic): Change second argument type
1992 from int to enum tree_code. Do not always return true, but now
1993 return result of any call to decimal_do helper functions.
1994 * dfp.h (decimal_real_arithmetic): Update prototype.
1996 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1998 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2000 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2003 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2006 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2008 * tree-vrp.c (cfg_loops): Removed.
2009 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2010 Use current_loops instead of cfg_loops. Pass flags to
2011 loop_optimizer_init.
2012 * cfgloopmanip.c (fix_loop_structure): Update only available
2014 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2015 loop_optimizer_init.
2016 * modulo-sched.c (build_loops_structure): Removed.
2017 (sms_schedule): Use loop_optimizer_init.
2018 * loop-init.c (loop_optimizer_init): Use flags to determine
2019 which properties of loops to prepare.
2020 (rtl_loop_init): Pass flags to loop_optimizer_init.
2021 * tree-ssa-sink.c (execute_sink_code): Ditto.
2022 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2023 * tree-ssa-pre.c (init_pre): Ditto.
2024 * cfgloop.h (LOOPS_NORMAL): New.
2025 (loop_optimizer_init): Declaration changed.
2027 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2029 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2030 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2032 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2034 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2036 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2037 * pa/t-pa64: Delete quadlib.c rule.
2038 * pa/x-ada: Revert last change.
2039 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2041 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2043 PR rtl-optimization/26087
2044 * rtlanal.c (canonicalize_condition): Do not cross basic block
2047 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2050 * config/ia64/ia64.c: Include debug.h.
2051 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2052 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2053 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2054 (process_epilogue, process_set, process_for_unwind_directive):
2055 Output unwind info only if requested. Add CFA info if requested.
2056 Add new arguments as needed. Adjust callers.
2057 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2059 (DWARF2_FRAME_INFO): Define to zero.
2060 * config/ia64/unwind-ia64.c: Remove code that compensated for
2061 the CFA offset error fixed above.
2062 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2063 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2064 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2065 -funwind-tables and -fexceptions to enable frame info.
2066 (dwarf2out_frame_init): Define initial CFA even if
2067 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2068 DWARF2_UNWIND_INFO is nonzero, not just defined.
2069 (dwarf2out_frame_finish): Output non-EH call frame info only
2070 if DWARF2_FRAME_INFO is nonzero.
2071 (convert_cfa_to_loc_list,
2072 compute_frame_pointer_to_cfa_displacement): Define even if
2073 unwind info is not supported.
2074 (gen_subprogram_die): Use the above unconditionally. Remove
2075 legacy alternate code.
2076 * toplev.c (compile_file): Compile in call to
2077 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2078 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2080 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2081 Jakub Jelinek <jakub@redhat.com>
2083 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2084 IBM extended float format long double as "g" on powerpc*-linux.
2086 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2089 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2090 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2092 2006-02-03 Jason Merrill <jason@redhat.com>
2095 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2098 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2099 on the return slot if it's an NRV.
2101 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2103 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2104 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2105 rewrite_use): Do not handle USE_OUTER.
2106 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2107 add_iv_outer_candidates, may_replace_final_value,
2108 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2109 (find_interesting_uses_op): Functionality of
2110 find_interesting_uses_outer_or_nonlin moved here.
2111 (find_interesting_uses_outside): Use find_interesting_uses_op.
2113 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2116 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2118 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2119 Ulrich Weigand <uweigand@de.ibm.com>
2122 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2123 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2124 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2125 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2127 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2128 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2129 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2130 Define secondary reloads for TFmode moves.
2131 (constant_modes): Add TFmode.
2132 (NR_C_MODES): Set to 8.
2133 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2135 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2136 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2137 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2138 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2139 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2140 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2141 (FPR mode macro): Add TFmode.
2142 (DSF mode macro): New.
2143 (<de>, <dee> mode attributes): Removed.
2144 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2145 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2146 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2147 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2148 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2149 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2150 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2151 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2152 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2153 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2154 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2155 "*negabs<mode>2", "sqrt<mode>2"):
2156 Changed <de> to <xde>. R constraint replaced by <Rf>.
2157 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2159 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2160 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2161 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2163 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2164 "extenddftf2", "extendsftf2"): New expanders.
2165 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2166 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2167 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2168 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2170 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2171 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2172 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2173 __floatditf): Add a GCC_4.1.0 symbol version tag.
2174 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2177 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2180 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2181 Use targetm.binds_local_p instead of TREE_PUBLIC.
2183 2006-02-02 Roger Sayle <roger@eyesopen.com>
2185 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2186 on INTEGER_TYPEs to indicate that it denotes a character type.
2187 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2188 signed_char_type_node, unsigned_char_type_node and char_type_node.
2189 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2190 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2191 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2193 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2194 Daniel Berlin <dberlin@dberlin.org>
2196 * tree-tailcall.c (arg_needs_copy_p): New function.
2197 (eliminate_tail_call): Use arg_needs_copy_p.
2198 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2199 (add_virtual_phis): New function.
2201 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2203 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2204 #ignore instead of #scratch for %g7 .register directive.
2206 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2208 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2211 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2213 * flow.c (calculate_global_regs_live): Assert that there aren't any
2216 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2218 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2220 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2221 bsi_after_labels iterator.
2222 * tree-if-conv.c (find_phi_replacement_condition,
2223 replace_phi_with_cond_modify_expr): Likewise.
2224 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2225 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2227 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2229 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2231 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2234 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2235 array after growing it.
2237 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2240 * fold-const.c (fold_checksum_tree): Change type of buf.
2242 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2244 * reload.c (push_secondary_reload): Initialize t_icode.
2246 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2248 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2249 -msoft-float -mlong-double-128 only issue a warning, but don't
2250 swich to DFmode long double.
2252 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2254 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2255 has a constant equivalent, iterate over equivalents for arg0,
2256 calling simplify_relational_operation and if there's a result
2257 cheaper than X, apply fold_rtx and return the result.
2259 2006-02-01 Jan Hubicka <jh@suse.cz>
2261 * opts.c (no_unit_at_a_time_default): New global variable.
2262 (decode_options): Use it.
2263 * opts.h (no_unit_at_a_time_default): Declare.
2265 2006-02-01 Paul Brook <paul@codesourcery.com>
2267 * function.c (assign_parm_setup_reg): Use function argument promotion
2269 * expr.c (expand_expr_real_1): Use function argument promotion rules
2272 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2274 * gcc.c (process_command): Change j to 'unsigned int'.
2276 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2279 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2280 Use the corrected index for the character
2281 out of the string constant.
2283 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2285 * mode-switching.c (optimize_mode_switching): Fix size
2286 allocated for bb_info[n_entities].
2288 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2290 * gcc.c (main): Correct type that is allocated for
2291 explicit_link_files.
2293 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2295 * config/s390/s390.c (init_alignment_context): Set
2296 ALIAS_SET_MEMORY_BARRIER on the MEM.
2297 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2299 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2302 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2304 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2307 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2309 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2310 * regrename.c: Ditto.
2311 * tree-ssa-loop-im.c: Ditto.
2312 * tree-dump.c: Ditto.
2313 * tree-complex.c: Ditto.
2314 * genrecog.c: Ditto.
2315 * tree-ssa-threadupdate.c: Ditto.
2317 * java/class.c: Ditto.
2318 * java/jcf-parse.c: Ditto.
2319 * java/resource.c: Ditto.
2320 * java/except.c: Ditto.
2321 * java/jvspec.c: Ditto.
2322 * java/jcf-write.c: Ditto.
2323 * java/jcf-path.c: Ditto.
2324 * java/gjavah.c: Ditto.
2325 * java/zextract.c: Ditto.
2326 * java/jcf-io.c: Ditto.
2327 * java/jcf.h: Ditto.
2328 * java/buffer.c: Ditto.
2329 * java/lang.c: Ditto.
2330 * java/parse-scan.y: Ditto.
2331 * java/lex.c: Ditto.
2332 * java/lex.h: Ditto.
2333 * cfgloopmanip.c: Ditto.
2334 * postreload-gcse.c: Ditto.
2335 * tree-ssa-loop-manip.c: Ditto.
2336 * postreload.c: Ditto.
2337 * tree-ssa-loop-ch.c: Ditto.
2341 * diagnostic.c: Ditto.
2343 * genoutput.c: Ditto.
2345 * cfghooks.c: Ditto.
2346 * cfgloopanal.c: Ditto.
2347 * objc/objc-act.c: Ditto.
2349 * genextract.c: Ditto.
2350 * genautomata.c: Ditto.
2351 * pretty-print.c: Ditto.
2353 * cgraphunit.c: Ditto.
2356 * haifa-sched.c: Ditto.
2357 * dominance.c: Ditto.
2359 * tree-ssa-loop-ivopts.c: Ditto.
2361 * mode-switching.c: Ditto.
2362 * modulo-sched.c: Ditto.
2364 * ipa-pure-const.c: Ditto.
2366 * fix-header.c: Ditto.
2368 * tree-stdarg.c: Ditto.
2369 * ipa-utils.c: Ditto.
2370 * loop-init.c: Ditto.
2371 * ipa-inline.c: Ditto.
2374 * alloc-pool.c: Ditto.
2375 * dwarf2out.c: Ditto.
2377 * genattrtab.c: Ditto.
2378 * tree-ssa-loop-ivcanon.c: Ditto.
2382 * fortran/gfortranspec.c: Ditto.
2384 * local-alloc.c: Ditto.
2385 * langhooks.c: Ditto.
2386 * function.c: Ditto.
2387 * tree-vectorizer.c: Ditto.
2389 * ipa-type-escape.c: Ditto.
2391 * tree-if-conv.c: Ditto.
2394 * tree-data-ref.c: Ditto.
2395 * loop-unroll.c: Ditto.
2396 * treelang/treetree.c: Ditto.
2399 * ggc-common.c: Ditto.
2401 * coverage.c: Ditto.
2403 * tree-cfgcleanup.c: Ditto.
2404 * tree-ssa-pre.c: Ditto.
2405 * cfgcleanup.c: Ditto.
2406 * loop-invariant.c: Ditto.
2408 * ipa-prop.c: Ditto.
2409 * print-tree.c: Ditto.
2410 * conflict.c: Ditto.
2411 * ggc-page.c: Ditto.
2412 * sched-deps.c: Ditto.
2413 * regclass.c: Ditto.
2414 * tree-object-size.c: Ditto.
2416 * bb-reorder.c: Ditto.
2417 * resource.c: Ditto.
2418 * var-tracking.c: Ditto.
2420 * df-problems.c: Ditto.
2421 * reg-stack.c: Ditto.
2424 * sched-rgn.c: Ditto.
2425 * tree-ssa-structalias.c: Ditto.
2426 * tree-ssa-reassoc.c: Ditto.
2427 * config/darwin-c.c: Ditto.
2428 * config/darwin.c: Ditto.
2429 * config/arm/arm.c: Ditto.
2431 * collect2.c: Ditto.
2434 2006-01-31 Nicolas Pitre <nico@cam.org>
2436 * arm.md (smaxsi3): Make aware of smax_m1.
2439 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2441 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2443 2006-01-31 Richard Guenther <rguenther@suse.de>
2445 * doc/invoke.texi (-msselibm): Document.
2446 * target.h (expand_library_builtin): New target hook.
2447 * builtins.c (expand_builtin): Use expand_library_builtin.
2448 (default_expand_library_builtin): New function.
2449 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2450 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2451 (link_gcc_math_spec): Declare.
2452 (static_specs): Add link_gcc_math_spec.
2453 * expr.h (default_expand_library_builtin): Declare.
2454 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2455 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2456 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2457 * config/i386/i386.opt (msselibm): New target option.
2458 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2459 (ix86_init_sse_abi_builtins): New function.
2460 (ix86_expand_library_builtin): Likewise.
2461 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2462 (override_options): Handle error conditions wrt -msselibm.
2463 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2464 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2465 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2468 2006-01-31 Richard Guenther <rguenther@suse.de>
2469 Paolo Bonzini <bonzini@gnu.org>
2471 * doc/install.texi (--disable-libgcc-math): Document.
2473 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2475 * expr.h (expand_normal): new inline function.
2476 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2478 * dwarf2out.c: use it.
2483 * config/sparc/sparc.c: use it.
2484 * config/i386/i386.c: use it.
2485 * config/rs6000/rs6000.c: use it.
2486 * config/arm/arm.c: use it.
2487 * config/mips/mips.c: use it.
2488 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2490 2006-01-30 Roger Sayle <roger@eyesopen.com>
2492 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2493 argv to the appropriate type.
2495 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2497 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2500 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2503 * config/s390/s390.c (struct machine_function): New flag
2504 decomposed_literal_pool_addresses_ok_p.
2505 (s390_reorg): Set it before final stage of literal pool transforms.
2506 (s390_decompose_address): Only accept displacements of the form
2507 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2509 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2511 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2512 the comparison routine return.
2514 2006-01-30 Michael Matz <matz@suse.de>
2516 * global.c (find_reg): Only evict for global regs.
2517 Take n_refs into account and dump more info.
2519 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2522 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2523 (pragma_trap, pragma_nosave_low_regs): Likewise.
2524 (current_function_anonymous_args): Likewise.
2525 (sh_deferred_function_attributes): New variable.
2526 (sh_deferred_function_attributes_tail): Likewise.
2527 (print_operand): For '@', look up trap_exit attribute.
2528 (calc_live_regs): Look up trapa_handler attribute. For trapa
2529 handlers, save/restore fpscr, but don't do any other
2530 interrupt-specific saves.
2531 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2532 Fix check for partially saved registers to check for SHmedia.
2533 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2534 (sh_output_function_epilogue): Don't clear any of the removed
2536 (sh_insert_attributes): Don't check pragma_interrupt.
2537 Insert deferred attributes. Check that interrupt attribute is
2538 present for other attributes that require its presence.
2539 (sh_attribute_table): Add new attributes trapa_handler and
2541 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2542 Don't check for pragma_interrupt. Don't store argument.
2543 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2544 (sh_deferred_function_attributes): Declare.
2545 (sh_deferred_function_attributes_tail): Likewise.
2546 * sh.md (sp_switch_1): Add operand. Change generator caller.
2547 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2548 (*return_i): Don't use when trap_exit attribute is in effect.
2549 (*return_trapa): New insn pattern.
2551 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2552 setting c_target_objs and cxx_target_objs.
2553 * t-sh: Add rule for sh-c.o.
2555 2006-01-30 Richard Guenther <rguenther@suse.de>
2558 * gimplify.c (gimplify_target_expr): Handle easy cases
2559 without creating a temporary.
2561 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2563 * vec.h (safe_grow): Remove duplicated line.
2565 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2568 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2569 (expand_omp): ... here.
2570 (expand_omp_parallel): Only remove barriers for combined
2571 parallel+workshare constructs.
2573 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2577 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2578 * tree.c (build_qualified_type): Chain the new type to the original
2579 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2580 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2581 (build_pointer_type_for_mode): Only return unqualified types.
2582 (build_reference_type_for_mode): Likewise.
2584 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2586 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2587 * Makefile.in (CXX_COMPAT_WARN): Define.
2588 * configure: Regenerate.
2590 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2593 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2596 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2598 * toplev.c: Fix thinko.
2600 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2601 Marcin Dalecki <martin@dalecki.de>
2603 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2604 (push_srcloc): Use XNEW.
2605 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2607 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2609 * df-core.c (df_set_blocks): Deleted all variable.
2611 2006-01-28 Ian Lance Taylor <ian@airs.com>
2613 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2614 cgraph_output_pending_asms.
2616 2006-01-28 Zack Weinberg <zackw@panix.com>
2618 * c.opt: Add -W(no-)overlength-strings.
2619 * doc/invoke.texi: Document it.
2620 * c-opts.c (c_common_handle_option): -pedantic implies
2621 -Woverlength-strings, if not explicitly disabled already.
2622 (c_common_post_options): -Woverlength-strings defaults to off, and
2623 is always off for C++.
2624 * c-common.c (fix_string_type): Issue warning about strings longer
2625 than is portable only if warn_overlength_strings. Rearrange code
2626 a little for clarity.
2627 * configure.in: Check for -Wno-overlength-strings as well before
2628 enabling -pedantic in stage 1.
2629 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2630 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2632 * genconditions.c (write_header, write_one_condition)
2633 (write_conditions, write_writer): Consolidate very long strings
2634 that were broken up to fit in C89 portable limit. Don't use
2635 printf when fputs will do.
2637 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2639 * combine.c (simplify_comparison <AND>): Check
2640 TRULY_NOOP_TRUNCATION before start using a subreg.
2642 * config/mips/mips.md (*branch_zero<mode>,
2643 *branch_zero<mode>_inverted, *branch_equality<mode>,
2644 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2645 Remove mode check from comparisons.
2647 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2649 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2651 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2653 * expmed.c (const_mult_add_overflow_p): Remove.
2654 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2656 * recog.c (validate_replace_rtx_subexp): Remove.
2657 * recog.h: Remove the prototype for
2658 validate_replace_rtx_subexp.
2660 * integrate.h: Remove the prototype for
2661 copy_decl_for_inlining.
2662 * rtl.h: Remove the prototype for mark_constant_function.
2663 * tree-vectorizer.h: Remove the prototype for
2664 vect_strip_conversion.
2666 * modulo-sched.c (create_partial_schedule,
2667 free_partial_schedule, reset_partial_schedule): Make them
2670 * hooks.c (hook_bool_rtx_int_false): Remove.
2671 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2673 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2675 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2676 and -mlong-double-128 are incompatible.
2677 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2678 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2679 (TARGET_LIBGCC2_CFLAGS): Define.
2680 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2681 (TARGET_LIBGCC2_CFLAGS): Same.
2682 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2684 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2687 * c-typeck.c (build_binary_op): Perform implicit casts of
2688 operands before shortening them.
2690 * cfgloopmanip.c (split_loop_bb): Remove.
2691 * cfgloop.h: Remove the prototype for split_loop_bb.
2693 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2694 * cfgloop.h: Remove the prototype for
2695 flow_loop_outside_edge_p.
2697 * emit-rtl.c (init_virtual_regs): Make it static.
2698 * function.h: Remove the prototype for init_virtual_regs.
2700 * recog.c (peephole2_optimize): Make it static.
2701 * recog.h: Remove the prototype for peephole2_optimize.
2703 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2705 * df-scan.c (df_record_entry_block_defs): Check if
2706 INCOMING_RETURN_ADDR_RTX is defined.
2708 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2709 Kenneth Zadeck <zadeck@naturalbridge.com>
2711 PR rtl-optimization/24762
2712 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2713 * targhooks.c (hook_void_bitmap): New hook prototype.
2714 * targhoohs.h (hook_void_bitmap): Ditto.
2715 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2716 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2717 * target.h (live_on_entry): New function pointer.
2718 * df-scan.c (df_all_hard_regs): Removed.
2719 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2720 (df_scan_free_internal): Added df->entry_block_defs.
2721 (df_scan_alloc): Ditto.
2722 (df_scan_dump): Ditto.
2723 (df_uses_record): Plumbed flag field properly thru calls.
2724 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2725 This part fixes PR24762.
2726 (df_bb_refs_record): Added code to make the frame and arg
2727 pointers live in EH blocks.
2728 (df_refs_record): Added call to df_record_entry_block_defs.
2729 (df_record_entry_block_defs): New function.
2730 * df-core.c: Added comments to describe new artifical defs.
2731 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2732 (entry_block_defs): New field in struct df.
2733 (df_all_hard_regs): Deleted.
2734 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2735 * df-problems.c (df_ru_bb_local_compute_process_def):
2736 Added code to handle artifical defs in the entry to a function.
2737 (df_ru_bb_local_compute): Ditto.
2738 (df_rd_bb_local_compute_process_def): Ditto.
2739 (df_rd_bb_local_compute): Ditto.
2740 (df_lr_bb_local_compute): Ditto.
2741 (df_ur_bb_local_compute): Ditto.
2742 (df_urec_bb_local_compute): Ditto.
2743 (df_chain_create_bb): Ditto.
2744 (df_ur_local_finalize): Removed entry.
2745 (df_urec_init): Ditto.
2746 (df_urec_local_finalize): Ditto.
2747 (df_ri_bb_compute): Added detection of last use of pseudos.
2748 * Makefile.in (df-scan.o): Updated dependencies.
2749 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2750 * config/mips/mips.c (mips_set_live_on_entry): Added.
2751 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2753 * dce.c (marked_insn_p): Added code to handle artifical defs.
2755 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2757 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2759 (_mm_cvtsi128_si64): Likewise.
2760 (_mm_cvtsd_si64): Likewise.
2761 (_mm_cvttsd_si64): Likewise.
2762 (_mm_cvtsi64_sd): Likewise.
2763 (_mm_cvtsi64_si128): Likewise.
2764 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2765 (_mm_cvtsi64_m64): Likewise.
2766 (_m_to_int64): Likewise.
2767 (_mm_cvtm64_si64): Likewise.
2768 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2769 (_mm_cvttss_si64): Likewise.
2770 (_mm_cvtsi64_ss): Likewise.
2771 (_mm_cvtss_f32): Likewise.
2773 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2775 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2776 for pragma redefine_extname.
2778 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2781 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2782 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2783 -mno-minimal-toc to previous content.
2784 (bispecs): Remove goal.
2785 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2786 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2787 compatibility aliases on powerpc-*-*gnu*.
2788 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2789 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2790 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2791 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2792 (ldblspecs): New goal.
2793 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2794 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2796 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2797 L_sf_to_tf or L_df_to_tf is defined.
2799 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2800 Alan Modra <amodra@bigpond.net.au>
2803 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2804 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2805 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2806 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2807 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2808 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2809 (rs6000_override_options): Initialize rs6000_ieeequad.
2810 Initialize TFmode format to ibm_extended_format if not
2812 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2814 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2815 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2816 (function_arg_advance): IBM long double passed in two FPRs, not
2818 (function_arg): IBM long double passed in FPRs.
2819 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2820 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2821 Only multireg GPR aligned.
2822 (rs6000_init_libfuncs): Enable IBM long double functions if not
2824 (rs6000_generate_compare): Use IBM long double compare if not
2826 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2827 (TARGET_IEEEQUAD): Define.
2828 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2829 not TARGET_IEEEQUAD.
2830 * config/rs6000/rs6000.md: Enable TFmode patterns if
2832 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2833 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2834 and -mlong-double-128 are incompatible.
2835 * doc/invoke.texi (-mabi): Collect options together. Add
2836 ibmlongdouble and ieeelongdouble.
2838 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2840 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2842 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2843 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2844 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2845 * rtl.h (rtunion_def): Remove rt_ptr.
2847 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2848 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2849 * config/i386/winnt.c (i386_pe_mark_dllexport)
2850 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2852 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2854 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2856 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2860 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2861 pthread_key_delete. From John David Anglin. gthrw-ify
2862 pthread_getunique_np only if it it's not a macro. Delete
2864 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2865 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2866 __gthread_objc_condition_signal, __gthread_key_delete): Add
2867 "__attribute__ ((__unused__))" to unused arguments.
2868 (__gthread_recursive_mutex_init_function): Add missing return.
2869 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2870 gthr-posix95.h: Use macro-based approach for name redirection
2871 on targets missing weakref.
2873 2006-01-26 Zack Weinberg <zackw@panix.com>
2875 * genconditions.c (write_header): In generated code, #ifdef out
2876 all includes and fake declarations, except includes of bconfig.h
2877 and system.h, unless GCC_VERSION >= 3001. Do not include
2878 gensupport.h in any case.
2879 (write_conditions): Generate a definition of struct c_test. Add
2880 a comment to the generated #endif.
2881 (write_one_condition): Escape backslashes in string too.
2882 (write_writer): Generated code must escape backslashes and quote
2883 marks (but not newlines) in the strings it writes.
2884 * Makefile.in (build/gencondmd.o): Update dependencies.
2886 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2889 * Makefile.in (insn-automata.o): Add header file dependencies.
2890 * genautomata.c: Add includes.
2892 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2895 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2897 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2899 * configure.ac: Expect target tools paths to be passed from the toplevel
2900 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2902 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2904 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2907 * c.opt (Wpointer-sign): Init to -1.
2908 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2909 OPT_pedantic, to 0 otherwise.
2910 * doc/invoke.texi: Update.
2912 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2914 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2915 constants provided by 80387 instructions in the destination mode.
2917 2006-01-26 Richard Guenther <rguenther@suse.de>
2918 Andrew Pinski <pinskia@physics.uc.edu>
2921 partial PR tree-opt/17064
2922 * tree-ssa-structalias.c (intra_create_variable_infos):
2923 Create heap variables for incoming parameters if
2924 flag_argument_noalias > 1.
2925 (find_what_p_points_to): Look through default defs of
2928 2006-01-26 Jeff Law <law@redhat.com>
2931 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2932 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2933 within the VR_RANGE, use the VR_RANGE as the result, not the
2935 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2936 bounds for the type.
2938 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2940 * tree-ssa-alias.c (maybe_create_global_var): Change
2941 subvar walking to an assertion that we don't have subvar'd variables.
2943 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2946 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2947 Use a new variable, inner. PARM_DECLs are always non-weak.
2949 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2951 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2954 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2956 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2958 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2960 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2961 (smax_insn, smin_insn, smax_0, smin_0): New.
2963 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2966 * config/cris/cris.c (cris_order_for_addsi3): New function.
2967 * config/cris/cris-protos.h: Prototype it.
2968 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2969 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2970 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2971 (split for "op.S1 [rx=rx+i],ry (swapped)")
2972 (split for "op(s|u).S1 [rx=rx+i],ry")
2973 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2974 Apply cris_order_for_addsi3 when generating addsi3 insns.
2976 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2978 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2979 (TREE_BLOCK): Add call to EXPR_CHECK.
2981 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2984 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2985 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2986 (dump_omp_clauses): ... here.
2987 (dump_generic_node): Handle OMP_CLAUSE.
2988 * tree.c (omp_clause_num_ops): New.
2989 (omp_clause_code_name): New.
2990 (tree_code_size): Handle OMP_CLAUSE.
2991 (tree_size): Likewise.
2992 (make_node): Document handling of OMP_CLAUSE.
2993 (tree_node_structure): Handle OMP_CLAUSE.
2994 (omp_clause_check_failed): New.
2995 (omp_clause_range_check_failed): New.
2996 (omp_clause_operand_check_failed): New.
2997 (build_omp_clause): New.
2998 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2999 * tree.h (enum omp_clause_code): Declare.
3000 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3001 (OMP_CLAUSE_RANGE_CHECK): Define.
3002 (OMP_CLAUSE_ELT_CHECK): Define.
3003 (omp_clause_check_failed): Declare.
3004 (omp_clause_operand_check_failed): Declare.
3005 (omp_clause_range_check_failed): Declare.
3006 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3007 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3008 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3009 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3010 (OMP_CLAUSE_IF_EXPR): Likewise.
3011 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3012 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3013 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3014 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3015 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3016 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3017 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3018 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3019 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3020 (OMP_CLAUSE_CODE): Define.
3021 (OMP_CLAUSE_SET_CODE): Define.
3022 (OMP_CLAUSE_CODE): Define.
3023 (OMP_CLAUSE_OPERAND): Define.
3024 (struct tree_omp_clause): Declare.
3025 (union tree_node): Add field 'omp_clause'.
3026 * treestruct.def (TS_OMP_CLAUSE): Define.
3027 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3028 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3029 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3030 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3031 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3032 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3033 (OMP_CLAUSE): Define.
3034 * print-tree.c (print_node): Handle OMP_CLAUSE.
3035 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3036 * c-typeck.c: Likewise.
3037 * gimplify.c: Likewise.
3038 * c-omp.c: Likewise.
3039 * tree-nested.c: Likewise.
3040 * tree-inline.c: Likewise.
3041 * c-parser.c: Likewise.
3042 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3045 2006-01-25 Roger Sayle <roger@eyesopen.com>
3047 PR rtl-optimization/25703
3048 * combine.c (try_combine): Handle zero_extract and strict_low_part
3049 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3051 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3053 * global.c: Fix comment typos.
3055 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3058 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3059 Use output_addr_const instead of assemble_name.
3061 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3063 * Makefile.in (sched-vis.o): Update dependencies.
3064 * haifa-sched.c (sched_finish): Clear current_sched_info.
3065 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3066 (dump_flow_info): Call it.
3067 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3069 * basic-block.h (dump_bb_info): Declare.
3070 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3071 option, and apply options only for dump files whose TDF_RTL,
3072 TDF_TREE, or TDF_IPA bits match.
3073 * rtl.h: Declare new functions exported from sched-vis.c.
3074 * sched-vis.c: Enable also if scheduling is not used.
3075 (print_value): Print the mode of registers if not inside scheduling.
3076 (print_insn): Make it work outside the scheduler. Beautify the output
3078 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3080 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3082 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3083 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3084 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3085 depending on the value of CONSTANT_POOL_ADDRESS_P.
3086 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3088 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3089 rather than SYMBOL_REF_DECL.
3090 (rtx_constant_pool): Remove const_rtx_sym_htab.
3091 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3092 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3093 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3094 Remove handling of const_rtx_sym_htab.
3095 (find_pool_constant): Delete.
3096 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3097 rather than find_pool_constant.
3098 (get_pool_constant_for_function): Delete.
3099 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3101 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3102 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3103 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3104 (SYMBOL_REF_CONSTANT): New macro.
3105 (get_pool_constant_for_function): Delete.
3106 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3107 rather than SYMBOL_REF_DECL.
3108 (i386_pe_mark_dllimport): Likewise.
3109 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3110 rather than SYMBOL_REF_DECL.
3111 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3112 (machopic_indirect_call_target): Likewise.
3114 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3116 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3118 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3120 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3122 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3124 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3126 2006-01-24 David Daney <ddaney@avtrex.com>
3129 * configure.ac (enable_tls): New enable option.
3130 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3131 * configure: Regenerate.
3132 * doc/install.texi (--enable-tls): Document new option.
3133 (--disable-tls): Ditto.
3135 2006-01-24 Richard Henderson <rth@redehat.com>
3137 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3138 * alias.c (true_dependence): Respect it.
3139 (canon_true_dependence, write_dependence_p): Likewise.
3140 * builtins.c (get_builtin_sync_mem): Set it.
3142 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3144 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3147 2006-01-24 DJ Delorie <dj@redhat.com>
3149 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3150 for storing constants in single-bit bitfields.
3152 2006-01-25 Ben Elliston <bje@au.ibm.com>
3154 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3156 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3159 * tree-ssa-pre.c (phi_translate): Return NULL
3160 for AGGREGATE_TYPE's.
3162 2006-01-24 Zack Weinberg <zackw@panix.com>
3164 * genautomata.c (process_state_for_insn_equiv_partition):
3165 Use xcalloc for insn_arcs_array.
3166 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3167 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3169 2006-01-24 Richard Henderson <rth@redhat.com>
3171 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3174 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3176 PR rtl-optimization/25890
3177 PR rtl-optimization/25905
3178 * combine.c (expand_compound_operation, expand_field_assignment):
3179 Fail if the bitfield's final position is out of bounds.
3181 2006-01-24 Ian Lance Taylor <ian@airs.com>
3184 * cgraphunit.c (cgraph_output_in_order): Don't clear
3185 cgraph_asm_nodes until after asm strings have been output.
3187 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3189 * fix-header.c (read_scan_file): Add new parameter imultilib when
3190 calling register_include_chains.
3192 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3194 * omp-low.c: Update documentation.
3196 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3197 Daniel Berlin <dberlin@dberlin.org>
3201 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3202 return from the function.
3204 2006-01-22 Zack Weinberg <zackw@panix.com>
3206 * rtl.def (match_code): Add second argument.
3207 * genpreds.c (write_extract_subexp): New function.
3208 (write_match_code): Add path argument. Use write_extract_subexp.
3209 (write_predicate_expr): Pass path to write_match_code.
3210 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3211 not perform a mode test.
3212 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3213 a subexpression does not constrain the top-level code set.
3214 * read-rtl.c (read_rtx_variadic): New function.
3215 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3216 * doc/md.texi: Document new notation.
3217 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3218 (cmpsi_operand): ... here, using new notation.
3220 2006-01-22 Zack Weinberg <zackw@panix.com>
3222 * varray.c: Remove GENERATOR_FILE #ifdefs.
3224 2006-01-22 Zack Weinberg <zackw@panix.com>
3226 * genautomata.c (output_reserved_units_table): Emit nothing if
3227 description->query_units_num is zero. Remove extra blank line.
3228 (output_cpu_unit_reservation_p): Short circuit
3229 if description->query_units_num is zero.
3231 2006-01-22 Zack Weinberg <zackw@panix.com>
3233 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3234 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3235 nor any of the random handful of variables that used to be necessary
3236 when this program was linked with rtlanal.o. Prune set of forward
3237 function declarations.
3238 (struct attr_desc): Remove static_p field.
3239 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3240 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3241 (attr_string): Do not read the character one past the length of
3243 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3244 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3245 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3246 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3247 (make_automaton_attrs): New.
3248 (main): Do not call into genautomata. Call local gen_bypass
3249 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3250 Remove special case for insn_alts.
3251 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3252 varray.h (leftover from previous change). Prune set of forward
3253 function declarations. Remove state_alts fields from all
3254 structures. Remove state_alts_table from struct automaton.
3255 Make everything except main static. Do not maintain num_dfa_decls.
3256 Do not maintain state_alts fields of various structures.
3257 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3258 (add_arc): Remove state_alts argument. All callers updated.
3259 (output_reserved_units_table): Emit #ifdef here...
3260 (output_tables): ...not here. Don't generate state_alts tables.
3261 (expand_automata): Don't generate attributes.
3262 (write_automata): Don't generate state_alts functions.
3263 (main): New function.
3264 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3265 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3266 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3267 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3268 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3269 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3270 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3271 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3273 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3274 * genattrtab.h: Delete file.
3275 * Makefile.in (OBJS-common): Add insn-automata.o.
3276 (insn-automata.o): New rule.
3277 (simple_generated_c): Add insn-automata.c.
3278 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3279 (genprogmd): Add automata.
3280 (build/genattrtab): Needs no extra objects nor libraries.
3281 (build/genautomata): Needs build/vec.o and -lm.
3283 2006-01-22 Zack Weinberg <zackw@panix.com>
3285 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3286 (output_dfa_max_issue_rate, locked_states_num): Delete.
3287 (struct automaton): Add locked_states field.
3288 (output_dead_lock_vect): Save number of locked states in
3289 automaton->locked_states. If it is zero, don't print anything.
3290 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3291 (output_internal_dead_lock_func): Only test the dead_lock_vect
3292 for automata that have locked states.
3293 (output_statistics): Always print the number of locked states for
3294 each automaton. Calculate total number of locked states here.
3295 (write_automata): Don't call output_dfa_max_issue_rate.
3296 * genattrtab.c: Define length_unit_log as a const variable.
3297 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3298 max_insn_queue_index const.
3299 * final.c (length_unit_log): Declare const.
3300 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3302 2006-01-22 Zack Weinberg <zackw@panix.com>
3304 * genautomata.c: Include vec.h, not varray.h.
3305 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3306 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3307 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3308 VEC_* macros operating on appropriately typed vectors, or to
3309 malloced arrays when the size is known in advance. Const-ify
3310 many char* variables and function arguments. No functional changes.
3311 * Makefile.in (build/varray.o): Delete rule.
3312 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3313 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3315 2006-01-22 Zack Weinberg <zackw@panix.com>
3317 * gensupport.c: Define get_insn_name and record_insn_name here.
3318 (read_md_rtx): Call record_insn_name as appropriate.
3319 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3320 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3321 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3323 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3324 (BUILD_VARRAY): Delete.
3325 (genprognormal): Rename genprogmd. Fold in all programs from
3326 genprognoprint; also attrtab.
3327 (build/genattrtab): Just mention genautomata.o and varray.o.
3328 Reorganize a bit, add comments to make the categories clearer.
3330 2006-01-22 Zack Weinberg <zackw@panix.com>
3332 * genconditions.c (condition_table, add_condition): Delete.
3333 (write_conditions): Don't emit n_insn_conditions nor
3334 insn_elision_unavailable. Issue the gcc version #ifdef here,
3335 inside the table, with no #else clause ...
3336 (write_header): ...not here.
3337 (write_writer): New function.
3338 (main): Don't initialize condition_table. Use add_c_test.
3340 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3341 files on the command line.
3342 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3343 Return -1 if there is no entry in the table, don't abort.
3344 (add_c_test, traverse_c_tests): New functions.
3345 * gensupport.h (insn_elision_unavailable, insn_conditions)
3346 (n_insn_conditions): Delete declarations.
3347 (add_c_test, traverse_c_tests): Declare.
3348 * read-rtl.c: Include gensupport.h.
3349 (read_conditions): New function.
3350 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3351 (read_rtx_1): If we get EOF when we were looking for an initial
3352 open paren, return 0. Call read_conditions when appropriate.
3353 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3354 dummy-conditions.o. Eliminate references to insn-conditions.o,
3355 or change them to build/gencondmd.o, as appropriate. Remove
3356 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3357 from $(simple_generated_c). For all files remaining in those
3358 two lists, add insn-conditions.md to the generator command line.
3359 Give insn-constants.h/s-constants their own rules. Add rules
3360 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3361 (build/read-rtl.o): Depend on gensupport.h.
3362 (genprognormal): Include preds.
3363 (genprogearly): Rename genprognoprint; only difference is now that
3364 they don't link with $(BUILD_PRINT).
3365 * dummy-conditions.c: Delete.
3367 2006-01-22 Zack Weinberg <zackw@panix.com>
3369 * genextract.c: Don't include insn-config.h. Do include vec.h.
3370 Declare vectors of int, char, and locstr.
3371 (locstr): New typedef.
3372 (struct extraction): Make all array fields into bare pointers.
3373 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3374 (insn_code_number): Delete.
3375 (accum_extract): New struct.
3376 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3377 (gen_insn): Take insn_code_number as an argument. Use an
3378 accum_extract structure instead of loading data directly into
3379 a struct extraction, and having to know how big it might get.
3380 (walk_rtx): Operate entirely on an accum_extract structure.
3381 (print_path): Avoid unnecessary use of printf.
3382 (print_header): New function, split out of main. Distinguish
3383 more carefully between an unrecognizable insn and an insn that
3384 has the code number of a define_expand.
3385 (main): Pass insn_code_number to gen_insn. Call print_header
3386 only after parsing. Avoid unnecessary use of printf.
3387 * Makefile.in (build/vec.o): New rule.
3388 (build/genextract): Depend on build/vec.o.
3389 (build/genextract.o): Don't depend on insn-config.h.
3391 2006-01-22 Zack Weinberg <zackw@panix.com>
3393 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3394 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3395 practical. Eliminate per-generator-program link rules.
3397 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3400 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3401 with a call expr to ...
3402 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3404 2006-01-23 Richard Guenther <rguenther@suse.de>
3406 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3407 before make_edge with conditional EDGE_TRUE_VALUE.
3409 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3410 Jan Hubicka <jh@suse.cz>
3411 Richard Guenther <rguenther@suse.de>
3413 PR rtl-optimization/25654
3414 * cfgexpand.c (aggregate_contains_union_type): New function.
3415 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3416 for structure variables that contain a union type.
3418 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3420 * gengtype.c (new_structure): Return the structure.
3421 (create_option): Add an extra "next" argument.
3422 (create_field): New function.
3423 (adjust_field_rtx_def): Use create_option and create_field.
3424 Remove a now-unnecessary call to find_structure.
3425 (adjust_field_tree_def): Likewise.
3426 (note_yacc_type): Remove an unnecessary call to find_structure.
3427 * gengtype.h (new_structure): Return the structure.
3428 (create_option): Add an extra argument.
3429 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3430 (option): Adjust calls to create_option.
3432 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3434 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3436 2006-01-22 Paul Brook <paul@codesourcery.com>
3437 Peter Barada <peter@the-baradas.com>
3439 * config/m68k/m68k.md: Add Coldfire FPU support.
3440 Define FP mode macro and associated attributes.
3441 Use it for float mode patterns.
3442 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3443 (LIBCALL_VALUE): Use m68k_libcall_value.
3444 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3445 (m68k_function_value): Ditto.
3446 (emit_move_sequence): Ditto.
3447 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3448 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3449 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3450 (MULTILIB_EXCEPTIONS): Ditto.
3451 * config/m68k/m68k.opt: Add mcfv4e.
3452 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3453 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3454 (m68k_output_function_prologue): Save ColdFire FPU registers.
3455 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3456 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3457 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3458 ColdFire FPU registers.
3459 (m68k_libcall_value, m68k_function_value): New functions.
3460 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3461 (LIBCALL_VALUE): Use m68k_libcall_value.
3462 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3463 (MASK_COLDFIRE): Add MASK_CFV4E.
3464 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3465 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3466 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3467 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3468 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3469 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3470 * doc/invoke.tex: Document -mcfv4e on m68k.
3472 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3474 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3477 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3480 * c-opts.c (c_common_handle_option): Don't include
3481 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3482 * doc/invoke.texi (C++ Dialect Options): Document that
3483 -Wnon-virtual-dtor is no longer included in -Wall.
3485 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3487 * gcov.c (print_version), gcov-dump.c (print_version),
3488 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3491 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3493 * df-scan.c (problem_SCAN): Added NULL reset function.
3494 (df_scan_reset_blocks): Added code to call reset block function
3495 (df_bb_refs_delete) Fixed comment.
3496 (df_insn_refs_delete): Made tolerant of deleting non existent info
3497 for dataflow problems that need to be reset.
3498 * df-core.c (df_set_blocks): Ditto.
3499 * df.h (struct df_problem): Added reset_fun.
3500 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3501 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3502 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3503 functions to clear out all references to def-use or use-def chains.
3505 2006-01-21 Ben Elliston <bje@au.ibm.com>
3507 * varasm.c (assemble_real): Initialise data array.
3509 2006-01-20 Paul Brook <paul@codesourcery.com>
3511 Merge from csl-arm-branch.
3512 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3513 * config/arm/arm.md (movdi): Force operands[1] to a register
3514 if we have a non-register source.
3515 (*arm_movdi, *movdf_soft_insn): Require that one of the
3516 operands be a register.
3517 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3518 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3520 2006-01-20 DJ Delorie <dj@redhat.com>
3522 * varasm.c (initialize_constant_valid_p): Allow pointers
3523 initialized from integer constants of lesser precision.
3524 (output_constant): Allow non-int-sized pointer modes to be
3525 initialized from integer constants.
3527 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3530 * cppdefault.h (struct default_include): Add multilib flag.
3531 * cppdefault.c (cpp_include_defaults): Set it.
3532 * c.opt (-imultilib): New option.
3533 * c-opts.c (imultilib): New.
3534 (c_common_handle_option): Handle -imultilib.
3535 (c_common_post_options): Likewise.
3536 * c-incpath.c (add_standard_paths, register_include_chains):
3538 * c-incpath.h (register_include_chains): Add extra parameter.
3539 * gcc.c (do_spec_1): Generate -imultilib option.
3540 (The Specs Language): Update %I description.
3541 (process_command): Update copyright notice.
3542 * doc/cppopts.texi (-imultilib): Document.
3543 * doc/invoke.texi (-imultilib): Include in option summary.
3544 (%I): Update specs documentation.
3546 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3548 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3550 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3552 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3555 2006-01-20 Richard Guenther <rguenther@suse.de>
3556 Steven Bosscher <stevenb.gcc@gmail.com>
3558 PR rtl-optimization/24626
3559 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3560 EDGE_TRUE_VALUE if in RTL mode.
3563 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3564 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3566 2006-01-20 Dirk Mueller <dmueller@suse.com>
3569 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3570 instead of a special NOP marker.
3571 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3572 NOP marker handling.
3573 * c-common.h (empty_body_warning): Add forward declaration.
3574 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3575 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3577 2006-01-20 Paul Brook <paul@codesourcery.com>
3579 * Makefile.in (lang_checks): Keep going if mkdir fails.
3581 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3583 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3584 be able to clean out basic block when not necessary.
3585 (df_scan_free): Fixed to properly delete information if df is
3586 unused before calling df_finish.
3587 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3588 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3590 (df_bb_refs_delete): New function.
3591 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3592 * df-core.c (df_set_blocks): Added code to properly clean out
3593 unused blocks if they are not part of the blocks to consider.
3594 Added additional null check.
3595 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3596 be able to clean out basic block when not necessary
3597 * df.h (df_free_bb_function): Ditto.
3598 (df_bb_refs_delete): New function.
3599 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3600 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3601 basic block parameter to be able to clean out basic block when not
3603 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3604 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3605 Fixed to properly delete information if df is unused before
3608 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3610 PR rtl-optimization/25799
3611 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3612 Corrected confluence operator to remove bits from op2 before oring
3613 with op1 rather than removing bits from op1.
3614 (df_ru_transfer_function): Corrected test on wrong bitmap which
3615 caused infinite loop. Both of these problems were introduced in
3616 the dataflow rewrite.
3618 2006-01-19 DJ Delorie <dj@redhat.com>
3620 * reload1.c (find_reload_regs): Note the details of reload
3621 failures in the dump file.
3622 (spill_failure): Likewise.
3624 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3626 * loop-iv.c: Include df.h and hashtab.h.
3627 (enum iv_grd_result): New enum.
3628 (DF_REF_IV, DF_REF_IV_SET): New macros.
3629 (struct biv_entry): New.
3630 (df, bivs): New global variables.
3631 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3632 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3634 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3635 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3636 analyzed_for_bivness_p, record_biv): New functions.
3637 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3638 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3639 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3641 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3643 (iv_number_of_iterations): Use new interface to iv analysis.
3644 * loop-unroll.c: Do not include varray.h.
3645 (analyze_iv_to_split_insn): Use new interface to iv
3647 * loop-unswitch.c (may_unswitch_on): Ditto.
3648 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3650 (df_bb_modify): Realloc tables to the new index.
3651 (df_find_use): New function.
3652 * df.h (df_find_use): Declare.
3653 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3655 * cfgloop.h (struct rtx_iv): Remove analysed field.
3656 (iv_get_reaching_def): Removed.
3657 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3658 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3659 (loop-iv.o): Add df.h and hashtab.h dependency.
3660 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3662 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3665 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3667 (__floatundisf, __floatundidf): Likewise.
3668 * libgcc2.h (IS_IBM_EXTENDED): Define.
3670 2006-01-19 DJ Delorie <dj@redhat.com>
3672 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3674 2006-01-19 Paul Brook <paul@codesourcery.com>
3676 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3677 as nothrow when unwinding tables are disabled.
3679 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3682 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3683 of bit-field" when in system header.
3685 2006-01-19 DJ Delorie <dj@redhat.com>
3687 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3688 the 16 bit shift limit of the m16c.
3690 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3693 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3694 * config/i386/i386.c (output_set_got): Output the label if we have one
3695 for the TARGET_DEEP_BRANCH_PREDICTION case.
3697 2006-01-19 Jan Hubicka <jh@suse.cz>
3698 H.J. Lu <hongjiu.lu@intel.com>
3699 Evandro Menezes <evandro.menezes@amd.com>
3701 * invoke.texi (generic): Document
3703 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3704 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3705 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3706 (x86_use_incdec, x86_pad_returns): New variables
3707 (TARGET_CPU_DEFAULT_generic): New constant
3708 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3709 (enum processor_type): Add generic32 and generic64.
3710 * i386.md (cpu attribute): Add generic32/generic64
3711 (movhi splitter): Behave sanely when both partial_reg_dependency and
3712 partial_reg_stall are set.
3713 (K8 splitters): Enable for generic as well.
3714 * predicates.md (incdec_operand): Use TARGET_INCDEC
3715 (aligned_operand): Avoid memory mismatch stalls.
3716 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3717 * ppro.md: Enable for generic32
3718 * i386.c (generic64_cost, generic32_cost): New.
3719 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3720 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3721 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3722 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3723 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3724 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3725 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3726 x86_accumulate_outgoing_args, x86_prologue_using_move,
3727 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3728 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3730 (x86_use_incdec, x86_pad_returns): New.
3731 (override_options): Add generic32 and generic64, translate "generic"
3732 to generic32/generic64 and "i686" to "generic32", refuse
3733 "generic32"/"generic64" as arch target.
3734 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3735 (ix86_reorg): Honor PAD_RETURNS.
3737 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3739 * tree-pretty-print.c (dump_generic_node): Handle
3740 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3741 * cgraph.c (cgraph_expand_queue): Rename from
3742 cgraph_analyze_queue. Update all users.
3743 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3744 cgraph_expand_queue.
3745 (cgraph_expand_all_functions): Likewise.
3746 (cgraph_finalize_pending_functions): Remove. Update callers.
3748 * tree.h (OMP_DIRECTIVE_P): Define.
3749 (OMP_PARALLEL_FN): Define.
3750 (OMP_PARALLEL_DATA_ARG): Define.
3751 (OMP_SECTIONS_SECTIONS): Define.
3752 * tree-pass.h (pass_expand_omp): Declare.
3753 * omp-low.c (struct omp_region): Declare.
3754 (struct omp_context): Remove fields 'parallel_type',
3755 'parallel_start_ix' and 'parallel_start_additional_args'.
3757 (struct omp_for_data): Rename from struct expand_omp_for_data.
3758 (omp_regions): New static variable.
3759 (root_omp_region): New static variable.
3760 (find_omp_clause): Make static.
3761 (is_in_combined_parallel_ctx): Remove.
3762 (is_combined_parallel): New.
3763 (extract_omp_for_data): Move earlier in the file.
3764 (workshare_safe_to_combine_p): New.
3765 (get_ws_args_for): New.
3766 (determine_parallel_type): Move earlier in the file.
3767 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3769 (omp_copy_decl): Likewise.
3770 (create_omp_child_function): Likewise.
3771 (lookup_omp_region): New.
3772 (dump_omp_region): New.
3773 (debug_omp_region): New.
3774 (debug_all_omp_regions): New.
3775 (new_omp_region): New.
3776 (scan_omp_parallel): If parallel_nesting_level > 1, the
3777 directive is nested within another parallel directive.
3778 Set OMP_PARALLEL_FN.
3779 (scan_omp_for): Do not try to handle combined parallel+for
3781 Remove FIXME comment.
3782 (scan_omp_nested): Remove.
3783 (scan_omp_1): Do not call scan_omp_nested when
3784 parallel_nesting_level is > 1.
3785 Do not change the DECL_CONTEXT of local variables found.
3786 (lookup_decl_in_outer_ctx): New.
3787 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3788 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3789 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3790 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3791 If CTX is nested, lookup VAR in the outer context when
3792 building copy assignment.
3793 (lower_send_clauses): Rename from expand_send_clauses.
3794 If CTX is nested, lookup VAR in the outer context when
3795 building copy assignments.
3796 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3797 If CTX is nested, lookup VAR in the outer context when
3798 building copy assignments.
3799 (expand_parallel_call): Rename from build_parallel_call.
3800 Handle combined parallel+workshare cases.
3801 Re-implement to emit code into the CFG.
3803 (expand_omp_parallel): Re-implement to emit code into the CFG.
3804 Call move_sese_region_to_fn to outline the sub-graph
3805 containing the parallel region.
3806 (expand_omp_for_1): Remove.
3807 (expand_omp_for_generic): Re-implement to emit code into the
3809 (expand_omp_for_static_nochunk): Likewise.
3810 (expand_omp_for_static_chunk): Likewise.
3811 (expand_omp_for): Likewise.
3812 (expand_omp_sections): Likewise.
3813 (remove_exit_barriers): New.
3814 (expand_omp_synch): New.
3816 (build_omp_regions_1): New.
3817 (build_omp_regions): New.
3818 (execute_expand_omp): New.
3819 (gate_expand_omp): New.
3820 (pass_expand_omp): Define.
3821 (lower_omp_sections): Rename from expand_omp_sections.
3822 Set OMP_SECTIONS_SECTIONS.
3823 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3824 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3825 (lower_omp_single): Rename from expand_omp_simple.
3826 (lower_omp_master): Rename from expand_omp_master.
3827 (lower_omp_ordered): Rename from expand_omp_ordered.
3828 (lower_omp_critical): Rename from expand_omp_critical.
3829 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3830 (lower_omp_for): Re-implement.
3831 (lower_omp_parallel): Re-implement.
3832 (lower_regimplify): Rename from expand_regimplify.
3833 (lower_omp_1): Rename from expand_omp_1.
3834 If there are syntax errors in the program, replace every
3835 OpenMP directive with NOP.
3836 Call lower_omp_* instead of expand_omp_*.
3837 (lower_omp): Rename from expand_omp.
3839 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3840 * tree-gimple.h (enum omp_parallel_type): Remove.
3841 (gimple_boolify): Declare extern.
3842 (find_omp_clause, determine_parallel_type): Remove.
3844 * gimple-low.c (lower_omp_directive): New.
3845 (lower_stmt): Call it.
3846 (record_vars_into): Move from ...
3847 (record_vars): ... here.
3848 Call record_vars_into with current_function_decl.
3850 * gimplify.c (struct gimplify_ctx): Remove fields
3851 combined_pre_p and combined_ctxp. Update users.
3852 (get_formal_tmp_var): Add documentation.
3853 (gimple_boolify): Make extern.
3854 (gimplify_expr_in_ctx): Remove. Update callers.
3855 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3856 will always be a BIND_EXPR.
3857 (gimplify_expr): Handle OMP_RETURN_EXPR.
3858 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3859 (OMP_PARALLEL): Add 3 operands.
3860 (OMP_SECTIONS): Add 1 operand.
3861 (OMP_RETURN_EXPR): Define.
3863 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3864 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3865 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3866 creating a circular free list.
3867 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3869 * tree-flow.h (move_sese_region_to_fn): Declare.
3870 (record_vars_into): Declare.
3871 * tree-cfg.c (make_omp_sections_edges): New.
3872 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3873 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3874 OMP_SECTIONS and OMP_SECTION.
3875 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3876 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3877 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3878 (gather_blocks_in_sese_region): New.
3879 (struct move_stmt_d): Declare.
3881 (move_block_to_fn): New.
3882 (move_sese_region_to_fn): New.
3884 * passes.c (init_optimization_passes): Schedule
3885 pass_expand_omp after pass_init_datastructures.
3887 * tree-ssa-operands.c (get_expr_operands): Handle
3888 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3889 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3891 2006-01-19 Jeff Law <law@redhat.com>
3893 * tree-vrp.c (extract_range_from_assert): Refine the result range
3894 if the variable referenced by the ASSERT_EXPR has a range and
3895 either the tentative result range or the previous range is a
3898 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3900 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3902 2006-01-19 Jan Hubicka <jh@suse.cz>
3904 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3906 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3908 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3909 (expand_compound_operation, expand_field_assignment): Fail if the
3910 bit lengths of an extract operation are out of range.
3911 (make_extraction): Compute wanted_inner_mode based on the position
3912 and length of the extraction. Make it extraction_mode for non-constant
3913 positions, and do not modify offset in that case. When generating a
3914 new MEM, use a mode that can hold the extraction while keeping correct
3915 alignment. Remove code that supported MEMs wrapped by USEs.
3916 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3918 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3920 * config/s390/s390.md ("Y", "y"): New mode attribute.
3921 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3922 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3923 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3924 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3925 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3926 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3927 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3928 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3929 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3930 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3931 "addsi3", "subsi3"): Insn patterns removed.
3932 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3933 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3934 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3935 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3936 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3937 "*sub<mode>3_cconly2"): New insn patterns.
3938 ("addsi3", "subsi3"): New expanders.
3940 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3942 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3943 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3944 existing STMT_VINFO_VECTYPE if available.
3945 (vect_mark_relevant): Add special handling for stmts that are
3946 marked as STMT_VINFO_IN_PATTERN_P.
3947 (vect_analyze_loop): Call vect_pattern_recog.
3948 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3949 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3951 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3952 (vect_recog_func_ptr): New function-pointer type.
3953 * tree-vect-patterns.c: New file.
3954 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3955 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3956 (vect_pattern_recog_1): New functions.
3957 (vect_pattern_recog_funcs): New array of function pointers.
3959 * tree-vectorizer.h (ternary_op): New enum value.
3960 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3961 declaration. Revised documentation. Removed redundant dump prints.
3962 Removed redundant argument. Added support for reduction patterns.
3963 (vectorizable_reduction): Added support for reduction patterns.
3964 (vect_transform_stmt): Added support for patterns.
3966 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3967 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3968 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3969 (expand_widen_pattern_expr): New function.
3970 (init_optabs): Initialize new optabs udot_prod_optab,
3972 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3973 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3974 (expand_widen_pattern_expr): New function declaration.
3975 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3977 * tree-inline.c (estimate_num_insns_1): Added cases for new
3978 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3979 * tree-pretty-print.c (dump_generic_node): Likewise.
3980 (op_prio): Likewise.
3981 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3982 * tree-ssa-operands.c (get_expr_operands): Added case for
3984 * tree-vect-patterns.c (widened_name_p): New function.
3985 (vect_recog_dot_prod_pattern): Added function implementation.
3986 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3987 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3988 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3989 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3991 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3992 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3993 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3994 (init_optabs): Initialize new optabs widen_ssum_optab,
3996 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3997 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3998 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3999 use instead of type of def.
4000 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4001 function implementation.
4002 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4003 widen_ssumv8hi): New.
4005 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4008 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4011 * c-decl.c (add_flexible_array_elts_to_size): New function.
4012 (finish_decl): Use it.
4014 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4016 * diagnostic.h: Include options.h.
4017 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4018 dependancies for diagnostic.h.
4019 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4021 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4023 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4024 (ssa_ro_call_cache_valid): Ditto.
4025 * tree-ssa-alias.c (sort_tags_by_id): New function.
4026 (init_transitive_clobber_worklist): Ditto.
4027 (add_to_worklist): Ditto.
4028 (mark_aliases_call_clobbered): Ditto.
4029 (compute_tag_properties): Ditto.
4030 (set_initial_properties): Ditto.
4031 (compute_call_clobbered): Ditto.
4032 (compute_may_aliases): Call compute_call_clobbered and grouping.
4033 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4034 (compute_flow_insensitive_aliasing): Grouping now happens in our
4036 (setup_pointers_and_addressables): Remove clobbering related code.
4037 (add_may_alias): Ditto.
4038 (replace_may_alias): Ditto.
4039 (get_nmt_for): Ditto.
4040 (create_global_var):
4041 (is_escape_site): Return an escape_type enumeration.
4042 * tree-flow-inline.h (is_call_clobbered): Global var does not
4043 imply call clobbered.
4044 (mark_call_clobbered): Take a reason for marking this. Remove
4045 marking of globalness, and cache invalidation.
4046 (clear_call_clobbered): Remove cache invalidation code.
4047 * tree-dfa.c (dump_variable): If details is on, dump the reason
4049 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4051 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4052 (struct var_ann_d): Ditto.
4053 (enum escape_type): New.
4054 (mark_call_clobbered): Adjust prototype.
4055 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4056 are never call clobbered.
4057 Record reasons for escaping.
4058 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4059 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4060 (ssa_ro_call_cache_valid): Ditto.
4061 (clobbered_v_may_defs): Ditto.
4062 (clobbered_vuses): Ditto.
4063 (ro_call_vuses): Ditto.
4064 (clobber_stats): New.
4065 (init_ssa_operands): Zero out clobber stats.
4066 (fini_ssa_operands): Print out clobber stats.
4067 (get_call_expr_operands): Pass callee fndecl to
4069 (add_call_clobber_ops): Remove use of cache.
4070 Add use of PURE_CONST information.
4071 (add_call_read_ops): Remove use of cache.
4072 Add use of static not_read information.
4074 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4076 Introduce TLS descriptors for i386 and x86_64.
4077 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4078 (TARGET_ANY_GNU_TLS): New macro.
4079 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4080 (struct machine_function): Add tls_descriptor_call_expanded_p.
4081 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4082 (ix86_current_function_calls_tls_descriptor): Likewise.
4083 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4084 (override_options): Introduce gnu2 tls dialect.
4085 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4087 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4089 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4090 (ix86_init_machine_status): Initialize new field.
4091 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4092 (ix86_tls_module_base): New.
4093 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4094 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4095 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4096 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4097 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4098 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4099 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4100 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4101 * config/i386/predicates.md (tls_modbase_operand): New.
4102 (tp_or_register_operand): New.
4104 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4106 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4107 (look_for_address_of): Ditto.
4108 (ipa_init): Walk the function decls.
4109 (static_execute): Don't set readonly on FUNCTION_DECL's.
4111 2006-01-18 Roger Sayle <roger@eyesopen.com>
4113 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4114 for shifts where the source and destination registers are different.
4116 2006-01-18 Paul Brook <paul@codesourcery.com>
4118 Merge from csl-arm-branch.
4119 2005-03-14 Julian Brown <julian@codesourcery.com>
4120 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4121 (aeabi_llsl): Likewise.
4122 (ashrdi3): Likewise.
4123 (aeabi_lasr): Likewise.
4124 (lshrdi3): Likewise.
4125 (aeabi_llsr): Likewise.
4126 2005-03-10 Julian Brown <julian@codesourcery.com>
4127 * config.gcc: Disable shared libgcc for SymbianOS.
4128 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4130 2006-01-18 DJ Delorie <dj@redhat.com>
4132 * c-pragma.c (handle_pragma_diagnostic): New.
4133 (init_pragma): Register it.
4134 * doc/extend.texi: Document it.
4136 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4137 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4138 (diagnostic_context): Add classify_diagnostic[].
4139 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4140 as errors if they're overridden to DK_WARNING.
4141 (diagnostic_initialize): Initialize classify_diagnostic[].
4142 (diagnostic_set_kind_override): New.
4143 (diagnostic_report_diagnostic): Check for kind changes.
4144 * opts.c (common_handle_option): Take lang_mask. Update callers.
4146 * common.opt (Werror=): New.
4147 * doc/invoke.texi: Document -Werror=*
4149 2006-01-18 Jeff Law <law@redhat.com>
4151 * tree-vrp.c (test_for_singularity): Correct test for new
4152 min limit. Use operand_equal_p rather than pointer equality
4153 for testing if new min/max values are equal.
4155 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4156 using range information until after propagation and folding.
4158 2006-01-18 Richard Henderson <rth@redhat.com>
4159 Aldy Hernandez <aldyh@redhat.com>
4160 Jakub Jelinek <jakub@redhat.com>
4161 Diego Novillo <dnovillo@redhat.com>
4163 * omp-low.c: New file.
4164 * c-omp.c: New file.
4166 2006-01-18 Richard Henderson <rth@redhat.com>
4167 Jakub Jelinek <jakub@redhat.com>
4168 Diego Novillo <dnovillo@redhat.com>
4170 * doc/invoke.texi: Document -fopenmp.
4171 * tree-dump.h (debug_function): Declare.
4172 * hooks.c (hook_bool_tree_bool_false): New function.
4173 (hook_tree_tree_null): Remove.
4174 (hook_tree_tree_tree_null): New.
4175 * hooks.h: Update to match.
4176 * tree-pretty-print.c (debug_tree_chain): New.
4177 (print_generic_expr): Handle TDF_CHAIN.
4178 (dump_generic_node): Handle BLOCK.
4179 Do not abort with incomplete SWITCH_EXPRs.
4180 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4181 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4182 print space after directive name.
4183 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4184 Handle OMP_MASTER and OMP_ORDERED.
4185 Handle printing of OMP_BODY just in one place, goto
4186 dump_omp_body in the rest of OMP_* nodes that have
4188 Don't handle clause nodes here. Update omp statements to
4189 use dump_omp_clauses.
4190 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4191 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4192 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4193 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4194 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4195 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4196 Adjust output for GOMP_PARALLEL.
4197 (dump_omp_clauses): New.
4198 (print_declaration): Dump DECL_VALUE_EXPR.
4199 (op_symbol_1): Split out of op_symbol.
4200 (dumping_stmts): Remove. Update all users.
4201 * cgraph.c (cgraph_analyze_queue): New.
4202 (cgraph_add_new_function): New.
4203 * cgraph.h (cgraph_analyze_queue): Declare.
4204 (cgraph_add_new_function): Declare.
4205 (cgraph_lower_function): Remove.
4206 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4207 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4208 and TYPE_P nodes in its default clause.
4209 (empty_body_p): New.
4210 (tree_range_check_failed): New.
4212 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4213 OMP_CLAUSE_REDUCTION_MERGE,
4214 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4215 OMP_CLAUSE_PRIVATE_DEBUG,
4216 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4217 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4218 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4219 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4220 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4221 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4222 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4223 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4224 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4225 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4226 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4227 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4228 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4229 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4230 (TREE_RANGE_CHECK): New.
4231 (empty_body_p): Declare.
4232 (enum omp_clause_default_kind): New.
4233 (build_string_literal): Declare.
4234 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4235 (build5_stat, build5): Declare.
4236 * tree-pass.h (TDF_CHAIN): Define.
4237 * tree-pass.h (PROP_gimple_lomp): Define.
4238 (pass_lower_omp): Declare.
4239 * diagnostic.h (debug_tree_chain): Declare.
4240 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4242 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4243 * builtins.c (build_string_literal): Make extern.
4244 * gcc.c (include_spec_function): New.
4245 (static_spec_functions): Add it.
4246 (main): Move load of libgomp.spec ...
4247 (LINK_COMMAND_SPEC): ... here.
4248 (link_gomp_spec): New.
4249 (static_specs): Include it.
4250 (LINK_COMMAND_SPEC): Add link_gomp.
4251 (GOMP_SELF_SPECS): New.
4252 (driver_self_specs): Include it.
4253 (switch_matches): Don't mark inline.
4254 (main): Load libgomp.spec.
4255 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4256 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4257 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4258 * tree-gimple.h (enum omp_parallel): Declare.
4259 (determine_parallel_type): Declare.
4260 (omp_firstprivatize_variable): Declare.
4261 (omp_reduction_init): Declare.
4262 (diagnose_omp_structured_block_errors): Declare.
4263 (struct walk_stmt_info): Add want_return_expr.
4264 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4265 (find_omp_clause): Declare.
4266 (insert_field_into_struct): Declare.
4267 (struct walk_stmt_info): Move from tree-nested.c
4268 (walk_stmts): Declare.
4269 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4271 * cgraphunit.c (cgraph_lower_function): Make static.
4272 (cgraph_finalize_pending_functions): New.
4273 (cgraph_finalize_function): Call it.
4274 (cgraph_finalize_compilation_unit): Likewise.
4275 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4276 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4277 (BT_FN_UINT_UINT): New.
4278 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4279 DEF_FUNCTION_TYPE_VAR_4): Document.
4280 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4281 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4282 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4283 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4284 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4285 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4286 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4287 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4288 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4289 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4290 into separate files.
4291 (DEF_GOMP_BUILTIN): New.
4292 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4293 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4294 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4295 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4296 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4297 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4298 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4299 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4300 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4301 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4302 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4303 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4304 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4305 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4306 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4307 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4308 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4309 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4310 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4311 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4312 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4313 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4314 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4315 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4316 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4317 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4318 * sync-builtins.def: New file, moved from builtins.def.
4319 * omp-builtins.def: New file, moved from builtins.def.
4320 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4321 * gimple-low.c (lower_function_body): Clear data.
4322 (lower_stmt): Do not handle COMPOUND_EXPR.
4323 Remove call to print_node_brief.
4324 * c-tree.h (c_finish_omp_clauses): New prototype.
4325 (C_DECL_THREADPRIVATE_P): Define.
4326 (lookup_name_no_remap, c_omp_remap_private): Remove
4327 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4328 (check_for_loop_decls): Update decl.
4329 (lookup_name_no_remap, c_omp_remap_private): Declare.
4330 (build_indirect_ref, build_modify_expr, pushdecl,
4331 pushdecl_top_level): Move to c-common.h.
4332 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4333 before the switch, but just in the 2 places that need it.
4334 * c-decl.c (diagnose_mismatched_decls): Do not check for
4335 mismatched thread-local attributes when OLDDECL is marked
4336 threadprivate and NEWDECL has no thread-local attributes.
4337 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4338 (c_gimple_diagnostics_recursively): Rename from
4339 c_warn_unused_result_recursively. Invoke
4340 diagnose_omp_structured_block_errors.
4341 (check_for_loop_decls): Return a singular decl found.
4342 * langhooks.c (lhd_omp_predetermined_sharing): Return
4343 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4344 (lhd_omp_firstprivatize_type_sizes): New.
4345 (lhd_omp_assignment): New.
4346 (lhd_omp_predetermined_sharing): New.
4347 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4348 (struct lang_hooks_for_types): Add
4349 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4350 omp_predetermined_sharing, omp_disregard_value_expr,
4351 omp_private_debug_clause, omp_clause_default_ctor,
4352 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4353 (c_finish_omp_clauses): New.
4354 (c_finish_bc_stmt): Diagnose break within omp for.
4355 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4356 (build_unary_op): Return error_mark after reporting
4358 (build_modify_expr): Likewise.
4359 * gimplify.c: Include optabs.h and pointer-set.h.
4360 (enum gimplify_omp_var_data): Declare.
4361 (struct gimplify_omp_ctx): Declare.
4362 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4364 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4365 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4366 (splay_tree_compare_decl_uid): New.
4367 (new_omp_context): New.
4368 (delete_omp_context): New.
4369 (gimple_add_tmp_var): Call omp_add_variable.
4370 (gimplify_bind_expr): Likewise.
4371 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4372 true, disregard DECL_VALUE_EXPR on the decl if any.
4373 (gimplify_expr_in_ctx): New.
4374 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4375 omp_add_variable, omp_notice_variable, omp_is_private
4376 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4377 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4378 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4379 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4380 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4381 gimplify_omp_atomic): New.
4382 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4383 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4384 OMP_CRITICAL and OMP_ATOMIC.
4385 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4386 * c-pragma.h (enum pragma_kind): Add
4387 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4388 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4389 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4390 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4391 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4392 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4393 PRAGMA_OMP_THREADPRIVATE.
4394 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4395 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4396 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4397 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4398 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4399 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4400 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4401 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4402 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4403 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4404 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4405 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4406 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4408 (struct nesting_info): Add field_map,
4409 suppress_expansion, debug_var_chain.
4410 (create_nesting_tree): Initialize them.
4411 (lookup_field_for_decl): Use field_map.
4412 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4413 (convert_local_omp_clauses): New.
4414 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4415 (walk_body): Split out of walk_function.
4416 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4417 (convert_nonlocal_reference): Handle omp statements.
4418 (convert_local_reference): Likewise.
4419 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4420 (unnest_nesting_tree): New.
4421 (lower_nested_functions): Call it.
4422 (insert_field_into_struct): Make extern.
4423 (struct walk_stmt_info): Move to tree-gimple.h.
4424 (walk_stmts): Make extern.
4425 * omp-builtins.def: New file.
4426 * tree-iterator.c (expr_only): Clarify comment.
4427 * c-common.h (pushdecl_top_level, pushdecl,
4428 build_modify_expr, build_indirect_ref,
4429 c_finish_omp_master, c_finish_omp_critical,
4430 c_finish_omp_ordered, c_finish_omp_barrier,
4431 c_finish_omp_atomic, c_finish_omp_flush,
4432 c_finish_omp_for, c_split_parallel_clauses,
4433 omp_clause_default_kind, c_omp_sharing_predetermined,
4434 c_omp_remap_decl): Declare.
4435 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4436 (OBJS-common): Add omp-low.o.
4437 (c-omp.o, omp-low.o): Add.
4438 (gimplify.o): Add dependency on $(OPTABS_H).
4439 (GTFILES): Add omp-low.c.
4440 (gt-stringpool.h): Add.
4441 * tree-cfg.c (set_bb_for_stmt): Do not update the
4442 block-to-labels map if we are currently expanding to RTL.
4443 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4445 Handle IDENTIFIER_NODE.
4446 (tree_verify_flow_info): Do not ICE when emitting error
4447 messages about invalid labels.
4448 (dump_function_to_file): Reset CFUN before emitting the body
4450 (debug_function): New.
4451 * passes.c (init_optimization_passes): Schedule
4453 * langhooks-def.h (lhd_omp_predetermined_sharing,
4454 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4456 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4457 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4458 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4459 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4460 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4461 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4462 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4463 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4464 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4465 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4466 (LANG_HOOK_DECLS): Use them.
4468 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4469 Richard Henderson <rth@redhat.com>
4470 Jakub Jelinek <jakub@redhat.com>
4471 Diego Novillo <dnovillo@redhat.com>
4473 * c-parser.c (pragma_omp_clause): Define.
4474 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4475 (c_parser_compound_statement): Likewise.
4476 (c_parser_statement): Likewise.
4477 (c_parser_pragma): Handle omp pragmas.
4478 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4479 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4480 (c_parser_omp_clause_name, check_no_duplicate_clause,
4481 c_parser_omp_variable_list,
4482 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4483 c_parser_omp_clause_copyprivate,
4484 c_parser_omp_clause_default,
4485 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4486 c_parser_omp_clause_lastprivate,
4487 c_parser_omp_clause_nowait,
4488 c_parser_omp_clause_num_threads,
4489 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4490 c_parser_omp_clause_reduction,
4491 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4492 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4493 c_parser_omp_atomic, c_parser_omp_barrier,
4494 c_parser_omp_critical, c_parser_omp_flush,
4495 c_parser_omp_for_loop, c_parser_omp_for,
4496 c_parser_omp_master, c_parser_omp_ordered,
4497 c_parser_omp_sections_scope, c_parser_omp_sections,
4498 c_parser_omp_parallel, c_parser_omp_single,
4499 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4500 * c-pragma.c (init_pragma): Do omp pragma registration here.
4501 * c.opt (fopenmp): New flag.
4503 2006-01-18 Eric Christopher <echristo@apple.com>
4505 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4506 * config/darwin.h (GOMP_SELF_SPECS): Define.
4508 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4510 * rtl.h: Remove the prototype for reg_alloc.
4512 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4515 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4516 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4517 sjlj and dwarf2 exception handling.
4518 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4519 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4520 * pa/pa.c (function_value): Treat complex and vector types as
4522 (function_arg): Likewise. Only pass scalar floats in the floating
4523 point argument registers.
4524 * pa/t-slibgcc-dwarf-ver: New file.
4525 * pa/t-slibgcc-sjlj-ver: New file.
4526 * pa/t-slibgcc-elf-ver: Delete file.
4528 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4530 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4531 unlikely_test_section_p test.
4533 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4535 * mode-switching.c (optimize_mode_switching): Make it static.
4536 * basic-block.h: Remove the prototype for
4537 optimize_mode_switching.
4539 * modulo-sched.c (sms_schedule): Make it static.
4540 * rtl.h: Remove the prototype for sms_schedule.
4542 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4543 * rtl.h: Remove the prototype for gcse_after_reload_main.
4545 * reg-stack.c (reg_to_stack): Make it static.
4546 * rtl.h: Remove the prototype for reg_to_stack.
4548 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4550 * rtl.h: Remove the prototypes for regrename_optimize and
4551 copyprop_hardreg_forward.
4553 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4555 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4556 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4557 Test against the appropriate null constant for the mode.
4558 If 'fixup_overlap' is true, swap the operands if they overlap.
4559 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4560 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4561 alpha_split_tmode_pair and adjust for above change.
4562 * config/alpha/alpha.md (movtf_internal): Adjust call to
4563 alpha_split_tfmode_pair and rely on it to swap the operands.
4564 (movti_internal): New insn and post-reload splitter.
4565 (movti): New expander.
4567 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4569 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4572 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4574 * rtlanal.c (global_reg_mentioned_p_1,
4575 global_reg_mentioned_p): Remove.
4576 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4578 * flow.c (initialize_uninitialized_subregs): Make it static.
4579 * rtl.h: Remove the prototype for
4580 initialize_uninitialized_subregs.
4582 * function.c (instantiate_virtual_regs): Make it static.
4583 * function.h: Remove the prototype for
4584 instantiate_virtual_regs.
4586 * regmove.c (regmove_optimize, combine_stack_adjustments):
4588 * rtl.h: Remove the prototypes for regmove_optimize and
4589 combine_stack_adjustments.
4591 2006-01-17 Roger Sayle <roger@eyesopen.com>
4593 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4594 (size_cost): Encode costs in bytes so that a reg-reg addition is
4595 equivalent to COSTS_N_INSNS(1).
4596 (override_options): Use the size_cost.branch_cost as the default
4597 ix86_branch_cost when optimizing for size.
4599 2006-01-18 Ben Elliston <bje@au.ibm.com>
4601 * Makefile.in (D32PBIT_FUNCS): New.
4602 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4603 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4604 D64PBIT_FUNCS and D128PBIT_FUNCS.
4605 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4606 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4608 (decnumber_dep): Define.
4609 * doc/libgcc.texi (Decimal float library routines): New node.
4610 * config/dfp-bit.h, config/dfp-bit.c: New files.
4612 2006-01-18 Ben Elliston <bje@au.ibm.com>
4614 * expr.c (emit_move_change_mode): Always adjust addresses, not
4615 just during reload. Copy replacements only during reload.
4616 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4617 emit_move_via_integer.
4619 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4621 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4622 instead of $(srcdir) and ${srcdir}.
4624 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4628 * arm.h (struct machine_function): Add pic_reg.
4629 * arm.c (arm_pic_register): Make unsigned.
4630 (arm_override_options): Only set arm_pic_register if
4631 TARGET_SINGLE_PIC_BASE.
4632 (use_return_insn): Only test for a pic register if it is fixed.
4633 (arm_compute_save_reg0_reg12_mask): Likewise.
4634 (thumb_compute_save_reg_mask): Likewise.
4635 (legitimate_pic_operand): Factor out some known invariants.
4636 (legitimize_pic_address): If we don't have a fixed pic register,
4637 then set up a pseudo in the function entry sequence. Handle the
4638 pic base being in a pseudo.
4639 (arm_load_pic_register): Handle the pic register being in a pseudo.
4640 (arm_expand_prologue): Only set up the pic register if it is fixed.
4641 (thumb_expand_prologue): Likewise.
4642 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4643 (pic_load_addr_based_insn): Likewise.
4644 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4647 2006-01-18 Ben Elliston <bje@au.ibm.com>
4649 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4650 decimal float modes for all floating point registers.
4652 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4653 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4655 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4658 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4659 even when the pointer is not NULL.
4661 2006-01-16 Ian Lance Taylor <ian@airs.com>
4663 * common.opt (ftoplevel-reorder): New option.
4664 * cgraph.c (cgraph_asm_nodes): New global variable.
4665 (cgraph_asm_last_node): New static variable.
4666 (cgraph_order): New global variable.
4667 (cgraph_create_node): Set new order field.
4668 (cgraph_varpool_node): Likewise.
4669 (decide_is_variable_needed): Return true if not
4670 flag_toplevel_reorder.
4671 (cgraph_add_asm_node): New function.
4672 * cgraph.h (struct cgraph_node): Add order field.
4673 (struct cgraph_varpool_node): Add order field.
4674 (struct cgraph_asm_node): Define.
4675 (cgraph_asm_nodes, cgraph_order): Declare.
4676 (cgraph_add_asm_node): Declare.
4677 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4679 (cgraph_varpool_assemble_pending_decls): Call it.
4680 (cgraph_output_pending_asms): New static function.
4681 (cgraph_finalize_compilation_unit): Call it.
4682 (struct cgraph_order_sort): Define.
4683 (cgraph_output_in_order): New static function.
4684 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4685 !flag_toplevel_reorder case.
4686 * c-parser.c: Include "cgraph.h".
4687 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4689 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4690 than -fno-unit-at-a-time.
4691 * doc/invoke.texi (Option Summary): Mention
4692 -fno-toplevel-reorder.
4693 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4694 -funit-at-a-time documentation.
4696 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4697 Kazu Hirata <kazu@codesourcery.com>
4699 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4701 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4703 * Makefile.in (FUNCTION_H): New. Use it instead of
4704 function.h throughout the file.
4705 * function.h: Include tree.h.
4707 2006-01-17 Ben Elliston <bje@au.ibm.com>
4709 * recog.c: Separate some functions with whitespace.
4711 2006-01-16 Richard Henderson <rth@redhat.com>
4713 Merge from gomp branch:
4714 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4715 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4716 and rename from struct inline_data. Rename callee* to dst*;
4717 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4718 transform_new_cfg, transform_return_to_modify, and
4719 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4721 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4722 (copy_decl_for_dup): Remove.
4723 * tree-inline.c (struct inline_data): Move to header.
4724 (insert_decl_map): Export.
4725 (remap_decl): Update for member name changes. Use copy_decl hook.
4726 Allow for replacement to be a non-decl. Remove dead code.
4727 (remap_type_1): Check for existing mapping.
4728 (remap_type): Export.
4729 (remap_decls): Update for member name changes.
4730 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4731 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4732 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4733 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4734 (tree_function_versioning, build_duplicate_type): Likewise.
4735 (copy_body_r): Likewise. Export.
4736 (copy_decl_for_dup): Split into ...
4737 (copy_decl_for_dup_finish, copy_decl_to_var,
4738 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4739 (replace_ref_tree, inlining_p): Remove.
4741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4743 * ifcvt.c (if_convert): Make it static.
4744 * rtl.h: Remove the prototype for if_convert.
4746 * local-alloc.c (local_alloc): Make it static.
4747 * rtl.h: Remove the prototype for local_alloc.
4749 * loop.c (loop_optimize): Make it static.
4750 * cfgloop.h: Remove the prototype for loop_optimize.
4753 2006-01-16 DJ Delorie <dj@redhat.com>
4755 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4758 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4760 * pa.md: Disparage copies between general and floating-point registers
4761 in 32-bit move patterns.
4763 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4766 * Makefile.in (check-%): Depend on site.exp instead of
4767 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4770 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4772 * global.c (global_alloc): Make it static.
4773 * rtl.h: Remove the prototype for global_alloc.
4775 2006-01-16 Richard Guenther <rguenther@suse.de>
4777 * tree-ssa-alias.c (struct used_part): Add write_only field.
4778 (get_or_create_used_part_for): Initialize it to true.
4779 (create_overlap_variables_for): Don't create structure variables
4780 for structures that only are written to.
4781 (find_used_portions): Handle MODIFY_EXPR to track whether a
4782 structure is only written to.
4784 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4786 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4788 * basic-block.h: Remove the prototype for
4789 partition_hot_cold_basic_blocks.
4791 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4793 * cppspec.c (lang_specific_spec_functions): Remove.
4794 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4795 * gcc.h (lang_specific_spec_functions): Remove.
4796 * gccspec.c (lang_specific_spec_functions): Remove.
4798 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4800 * combine.c (record_value_for_reg): Invalidate registers
4802 (record_dead_and_set_regs_1): Likewise, by passing them to
4803 record_value_for_reg.
4804 (record_dead_and_set_regs): Invalidate stores made by a
4805 call. We do not combine across a call, but we still
4806 relied on equivalences.
4808 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4810 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4811 vrp_int_const_binop returning non-constant nodes.
4813 2006-01-16 Paul Brook <paul@codesourcery.com>
4815 * config/m68k/m68k.c (output_move_const_into_data_reg):
4816 Output correct mnemonic for mvz and mvs.
4818 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4820 * rtl-factoring.c: Add sequence abstraction algorithm.
4821 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4822 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4824 (block_has_preserve_label): New function.
4825 * common.opt: Register new pass.
4826 * Makefile.in: Ditto.
4828 * timevar.def: Ditto.
4829 * tree-pass.h: Ditto.
4830 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4831 * rtl.h (make_jump_insn_raw): Add forward decl.
4832 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4834 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4835 Roger Sayle <roger@eyesopen.com>
4837 * fold-const.c (fold_minmax): New static function.
4838 (fold_binary) <MIN_EXPR>: Call it.
4839 <MAX_EXPR>: Likewise.
4840 * stor-layout.c (place_field): Use DECL_SIZE consistently
4841 in the computation of the new record size.
4843 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4845 * cse.c (cse_condition_code_reg): Make it static.
4846 * rtl.h: Remove the prototype for cse_condition_code_reg.
4848 * combine.c (combine_instructions): Make it static.
4849 * rtl.h: Remove the prototype for combine_instructions.
4851 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4854 * tree.c (get_file_function_name_long): Concatenate the first global
4855 object name with a string derived from the input filename of the object
4858 2006-01-16 Ben Elliston <bje@au.ibm.com>
4860 * config/i386/winnt-stubs.c: Update FSF address.
4861 * config/xtensa/ieee754-df.S: Ditto.
4862 * config/xtensa/ieee754-sf.S: Ditto.
4864 2006-01-14 Ian Lance Taylor <ian@airs.com>
4866 * ifcvt.c (noce_init_if_info): New static function, broken out of
4867 noce_process_if_block.
4868 (noce_process_if_block): Call noce_init_if_info.
4869 (check_cond_move_block): New static function.
4870 (cond_move_process_if_block): New static function.
4871 (process_if_block): Call cond_move_process_if_block.
4873 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4875 * cselib.c (hash_table): Rename to cselib_hash_table.
4876 (cselib_clear_table, discard_useless_values,
4877 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4878 cselib_init, cselib_finish): Adjust uses of hash_table.
4880 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4882 PR tree-optimization/25485
4883 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4884 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4885 is known to be false and true, respectively.
4887 2006-01-14 Richard Guenther <rguenther@suse.de>
4889 PR tree-optimization/22548
4890 PR tree-optimization/22555
4891 PR tree-optimization/22501
4892 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4893 * params.def (salias-max-array-elements): New parameter.
4894 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4895 * doc/invoke.texi (salias-max-array-elements): Document.
4896 * tree-flow-inline.h (var_can_have_subvars): We also handle
4898 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4900 * tree-ssa-structalias.c (params.h): Include.
4901 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4902 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4903 (get_constraint_for): For ADDR_EXPR operating on something
4904 containing an ARRAY_REF, add all subvars to the solution.
4905 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4906 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4907 for creating MUST_DEFs.
4908 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4910 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4912 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4914 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4915 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4916 number_of_iterations_le): New functions.
4917 (number_of_iterations_special): Removed.
4918 (number_of_iterations_exit): Do not use number_of_iterations_special.
4919 * tree.c (unsigned_type_for): Always return integer type.
4921 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4922 Richard Guenther <rguenther@suse.de>
4924 PR rtl-optimization/24257
4925 * gcse.c (find_moveable_store): Only consider a store movable
4926 when the SET_SRC of the insn can be assigned to a register.
4928 2006-01-14 Ian Lance Taylor <ian@airs.com>
4930 * tree.c (tree_not_class_check_failed): New function.
4931 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4932 (tree_not_class_check_failed): Declare.
4934 2006-01-13 Ian Lance Taylor <ian@airs.com>
4936 * reload1.c (do_output_reload): Add assertion rejecting a
4939 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4941 * combine.c (struct reg_stat): Add new fields truncation_label and
4943 (record_value_for_reg): Reset truncated_to_mode.
4944 (record_truncated_value): New function.
4945 (check_promoted_subreg): Call it. Rename to check_conversions.
4946 (combine_instructions): Rename check_promoted_subreg to
4948 (reg_truncated_to_mode): New function.
4949 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4950 (gen_lowpart_or_truncate): New function.
4951 (force_to_mode): Use it instead of gen_lowpart.
4953 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4955 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4956 VAR is a tag, not its type tag.
4958 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4960 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4961 alternatives to match style of other entries.
4962 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4964 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4966 PR tree-optimization/25771
4967 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4970 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4973 * tree-inline.c (declare_return_variable): If the return variable
4974 was marked as a non gimple complex, set the return slot variable
4975 to be a non gimple comple variable.
4977 2006-01-13 Richard Guenther <rguenther@suse.de>
4979 * builtins.c (expand_builtin_sincos): New function.
4980 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4982 (expand_builtin): Expand sincos using expand_builtin_sincos.
4984 2006-01-12 DJ Delorie <dj@redhat.com>
4986 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4987 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4988 so that constant shifts can be split.
4989 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4990 (m32c_valid_pointer_mode): Make static.
4991 (shift_gen_func_for): New.
4992 (m32c_prepare_shift): Use it. Split large const shifts into
4994 * config/m32c/predicates.md (shiftcount_operand): Allow more
4996 (longshiftcount_operand): New.
4997 * doc/md.texi (Machine Constraints): Document In6.
4999 2006-01-13 Ben Elliston <bje@au.ibm.com>
5001 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5002 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5005 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5007 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5008 to try to avoid clobbering pieces of structures when we know
5009 something about the whole structure.
5010 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5012 2006-01-13 Ben Elliston <bje@au.ibm.com>
5014 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5015 return in memory, as this is no limitation is no longer present.
5017 2006-01-12 DJ Delorie <dj@redhat.com>
5019 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5020 mova with fb, and for fb+0 -> An.
5022 * config/m32c/mov.md (peephole2): Fix enabling logic.
5024 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5025 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5026 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5027 FINI_ARRAY_SECTION_ASM_OP): Define.
5029 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5031 (m32c_legitimize_reload_address): New logic to reload FB to An.
5032 (m32c_output_reg_push): Add newline.
5033 (m32c_output_reg_pop): Likewise.
5035 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5037 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5039 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5041 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5043 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5045 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5048 2006-01-11 Ben Elliston <bje@au.ibm.com>
5050 * rtlanal.c (find_reg_note): Assert insn is not null.
5052 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5054 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5057 2006-01-11 Jeff Law <law@redhat.com>
5059 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5061 (mark_threaded_blocks, register_jump_thread): New functions.
5062 (thread_through_all_blocks): Remove unwanted argument. No
5063 longer rely on e->aux to communicate thread target info.
5064 Call mark_threaded_blocks. Release the threaded_blocks
5065 bitmap and threaded_edges vector when complete.
5066 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5067 (threaded_blocks): Remove.
5068 (tree_ssa_dominator_optimize): Remove initialization and
5069 finalization of threaded_blocks. Simplify call to
5070 thread_through_all_blocks.
5071 (thread_across_edge): Call register_jump_thread rather than
5072 storing thread information into e->aux.
5073 (free_all_edge_infos): Simplify now that e->aux is no longer
5074 used to communicate with thread_through_all_blocks.
5075 * tree-flow.h (thread_through_all_blocks): Update prototype.
5076 (register_jump_thread): Prototype.
5078 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5080 * df-core.c (df_compact_blocks, df_bb_replace): Use
5081 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5083 2006-01-11 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/25734
5086 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5087 stop propagation after successful propagation to the LHS.
5089 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5091 * basic-block.h (control_flow_graph): Change the type of
5092 x_basic_block_info to VEC(basic_block,gc) *.
5093 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5095 (SET_BASIC_BLOCK): New.
5096 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5097 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5098 * cfgbuild.c (find_basic_blocks): Likewise.
5099 * cfglayout.c (fixup_reorder_chain): Likewise.
5100 * cfgrtl.c (create_basic_block_structure,
5101 rtl_create_basic_block): Likewise.
5102 * ifcvt.c (find_if_case_1): Likewise.
5103 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5106 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5108 * Makefile.in: Removed rotted odf.c entry.
5110 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5113 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5114 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5115 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5116 output pattern modifier, not %e.
5117 * config/cris/cris.c (cris_op_str): Update comment about pattern
5119 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5120 before falling through into...
5121 <case 'E'>: Redefined from old 'e' case.
5123 2006-01-11 Jan Hubicka <jh@suse.cz>
5126 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5128 2006-01-11 Jan Hubicka <jh@suse.cz>
5130 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5131 * i386.c (x86_decompose_lea): Kill.
5132 (ix86_rtx_costs): Kill.
5134 2006-01-11 Jan Hubicka <jh@suse.cz>
5136 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5137 * cgraph.h (cgraph_node): Add inline_decl.
5138 (cgraph_insert_node_to_hashtable): Declare.
5139 (save_inline_function_body): Declare.
5140 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5142 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5143 (cgraph_function_versioning): Update call of tree_function_versioning.
5144 (save_inline_function_body): New function.
5145 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5146 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5147 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5148 (cgraph_default_inline_p): Likewise.
5149 (cgraph_decide_inlining_incrementally): Likewise.
5150 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5151 (copy_bb): Kill saving; do updating of clones.
5152 (copy_cfg_body): Kill saving.
5153 (initialize_inlined-parameters): Likewise.
5154 (expand_call_inline): Likewise.
5156 (tree_function_versioning): New parameter "update_clones".
5157 (inlining_p): Kill saving.
5158 * tree-inline.h (tree_function_versioning): Update prototype.
5159 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5162 2006-01-11 Ian Lance Taylor <ian@airs.com>
5164 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5165 Allow undoing set of machine mode.
5166 (do_SUBST): Use enums instead of is_int.
5167 (do_SUBST_MODE): New function.
5168 (SUBST_MODE): New macro.
5169 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5170 reg and trying to replace reg_regno_rtx with a new register.
5171 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5172 (simplify_set): Use SUBST_MODE.
5173 (distribute_notes): Remove code that tried to update reg notes
5174 for regno_reg_rtx changes.
5176 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5178 PR tree-optimization/23109
5179 PR tree-optimization/23948
5180 PR tree-optimization/24123
5182 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5183 * tree-cfg.c (single_noncomplex_succ): New.
5184 * tree-flow.h (single_noncomplex_succ): Declare it.
5185 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5186 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5187 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5188 insert_bb, register_division_in, insert_reciprocals,
5189 replace_reciprocal, free_bb): New.
5190 (execute_cse_reciprocals_1): Rewritten.
5191 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5192 Do not commit any edge insertion. Always compute dominators and
5193 create the allocation pool.
5194 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5195 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5196 * targhooks.c (default_min_divistions_for_recip_mul): New.
5197 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5198 * passes.c (init_optimization_passes): Run recip after tree loop
5200 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5202 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5203 Kenneth Zadeck <zadeck@naturalbridge.com>
5205 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5206 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5207 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5208 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5209 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5210 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5211 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5212 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5213 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5214 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5215 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5216 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5217 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5218 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5219 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5220 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5221 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5222 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5223 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5224 DF_SCAN_POST_ALLOC): New macros.
5225 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5226 df_free_bb_function, df_local_compute_function, df_init_function,
5227 df_dataflow_function, df_confluence_function_0,
5228 df_confluence_function_n, df_transfer_function,
5229 df_finalizer_function, df_free_function, df_dump_problem_function,
5230 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5231 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5232 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5233 df_urec_bb_info, ) New types.
5234 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5236 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5237 df_analyze_simple_change_some_blocks,
5238 df_analyze_simple_change_one_block, df_compact_blocks,
5239 df_bb_replace, df_bb_regno_last_use_find,
5240 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5241 df_insn_regno_def_p, df_find_def, df_find_use,
5242 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5243 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5244 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5245 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5246 debug_df_chain, df_get_dependent_problem, df_chain_create,
5247 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5248 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5249 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5250 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5251 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5252 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5253 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5254 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5255 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5256 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5257 df_reorganize_refs, df_set_state, df_hard_reg_init,
5258 df_read_modify_subreg_p) New public functions.
5259 * df-core.c: The core dataflow solver and glue routines for rtl
5261 (df_init, df_add_problem, df_set_blocks, df_finish,
5262 df_hybrid_search_forward, df_hybrid_search_backward,
5263 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5264 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5265 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5266 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5267 df_reg_defined, df_find_use, df_reg_used, df_dump,
5268 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5269 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5270 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5271 debug_df_useno, reset_df_after_reload): New functions.
5272 * df-scan.c: The scanning fuctions, once in df.c, completely
5273 rewritten so that they now fully model the functionality of
5274 register usage at the backend.
5275 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5276 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5277 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5278 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5279 df_get_artificial_defs, df_get_artificial_uses,
5280 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5281 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5282 df_refs_delete, df_reorganize_refs, df_set_state,
5283 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5284 df_def_record_1, df_defs_record, df_uses_record,
5285 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5286 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5287 df_record_exit_block_uses, df_hard_reg_init): New functions.
5289 * df-problems.c: Seven concrete dataflow problems that use the
5290 scanning in df-scan.c and are solved by the engine in df-core.c.
5291 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5292 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5293 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5294 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5295 df_ru_free_bb_info, df_ru_alloc,
5296 df_ru_bb_local_compute_process_def,
5297 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5298 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5299 df_ru_transfer_function, df_ru_free, df_ru_dump,
5300 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5301 df_rd_free_bb_info, df_rd_alloc,
5302 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5303 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5304 df_rd_transfer_function, df_rd_free, df_rd_dump,
5305 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5306 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5307 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5308 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5309 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5310 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5311 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5312 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5313 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5314 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5315 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5316 df_urec_mark_reg_use_for_earlyclobber,
5317 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5318 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5319 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5320 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5321 df_chain_create_bb_process_use, df_chain_create_bb,
5322 df_chain_finalize, df_chain_free, df_chains_dump,
5323 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5324 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5325 df_reg_lifetime): New functions.
5326 * df.c: Deleted file.
5327 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5328 consistent with new df api.
5329 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5330 rest_of_handle_sms): Ditto.
5331 * web.c (unionfind_union, union_defs, entry_register, web_main):
5333 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5334 invariant_expr_equal_p, find_defs, check_dependencies,
5335 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5336 free_inv_motion_data, move_loop_invariants): Ditto.
5337 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5338 Update dependencies.
5339 (odf.c): Added defective entry that was deleted later in day.
5340 * sched-deps.c (sched_analyze_1): Ditto.
5342 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5344 * tree-ssa-operands.c (get_expr_operands): Record addressable
5345 variables directly. Do not call add_stmt_operands for CONST_DECLs
5347 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5348 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5350 2006-01-11 Ben Elliston <bje@au.ibm.com>
5352 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5353 function returns true in the positive case.
5355 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5358 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5359 for SI, DI, SF and DF modes. Add alternatives to copy between
5360 general and floating point registers to the 32-bit patterns.
5361 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5362 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5363 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5364 generating 64-bit code.
5365 * config/pa/pa.c (output_move_double): Handle copies between general
5366 and floating registers.
5368 2006-01-10 Stuart Hastings <stuart@apple.com>
5370 * config/i386/i386.md (set_got): Update.
5371 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5372 (builtin_setjmp_receiver): Mach-O support.
5373 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5374 (GOT_SYMBOL_NAME): Define.
5375 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5376 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5377 * config/i386/i386.c (override_options): Revise for Darwin.
5378 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5379 support. (darwin_x86_file_end): New. (output_set_got): Add label
5380 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5381 * config/i386/i386-protos.h (output_set_got): Likewise.
5382 * config/darwin.c (machopic_legitimize_pic_address): Update
5385 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5387 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5388 when MODE isn't BLKmode.
5390 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5392 PR rtl-optimization/25367
5393 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5395 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5398 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5399 for a negative bound.
5401 2006-01-10 Richard Guenther <rguenther@suse.de>
5403 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5404 Never override with anything constraint.
5406 2006-01-10 Jan Beulich <jbeulich@novell.com>
5408 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5409 256 bits when optimize_size.
5411 2006-01-10 Jan Beulich <jbeulich@novell.com>
5413 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5415 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5416 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5419 2006-01-10 Ben Elliston <bje@au.ibm.com>
5421 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5423 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5424 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5425 (USE_FP_FOR_ARG): Reject decimal float modes.
5426 (function_arg_advance): Likewise.
5427 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5428 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5429 point types in AltiVec vectors.
5430 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5431 (rs6000_libcall_value): Likewise.
5433 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5435 * config/xtensa/ieee754-df.S: New file.
5436 * config/xtensa/ieee754-sf.S: New file.
5437 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5438 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5439 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5441 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5443 * config/sh/predicates.md (binary_float_operator,
5444 binary_logical_operator, commutative_float_operator,
5445 equality_comparison_operator, greater_comparison_operator,
5446 less_comparison_operator, logical_operator,
5447 noncommutative_float_operator, shift_operator,
5448 symbol_ref_operand, unary_float_operator): Remove redundant
5451 2006-01-09 Jeff Law <law@redhat.com>
5453 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5454 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5455 now unused arguments. Callers updated.
5456 (eliminate_redundant_computations): Remove now unused arguments,
5458 (local_fold): Remove, no longer used.
5459 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5461 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5462 (simplify_cond): New function.
5463 (forward_propagate_into_cond): Call simplify_cond.
5465 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5467 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5468 (*vec_extractv2di_1_sse): New.
5470 2006-01-09 Ben Elliston <bje@au.ibm.com>
5472 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5474 2006-01-08 Richard Guenther <rguenther@suse.de>
5476 * tree-ssa-structalias.c (get_constraint_for): Remove
5478 (get_constraint_for_component_ref): Likewise.
5479 (do_deref): Likewise.
5480 (get_constraint_for): Likewise.
5481 (do_structure_copy): Likewise.
5482 (handle_ptr_arith): Likewise.
5483 (find_func_aliases): Likewise. Remove unused need_anyoffset
5486 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5487 Kaz Kojima <kkojima@gcc.gnu.org>
5489 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5490 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5491 (EXTRA_CONSTRAINT_C16): Remove.
5492 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5493 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5494 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5495 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5496 constants of SHmedia. Handle nested constant expressions of
5498 (andcosts): Fix the costs for SHmedia constants.
5499 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5500 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5501 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5502 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5503 (movv4hi_i, movv2si_i): Likewise.
5504 (movsi_const): Adjust the second operand of ior so to match with
5506 (movdi_const, movdi_const_32bit): Likewise.
5507 (movdi_const_16bit+1): Don't sign-extend LOW.
5508 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5510 (*double_shori): Fix the split condition. Use GEN_INT instead
5511 of get_int_mode calls. Mask lower 16-bit of the argument of
5513 (sym2GOTPLT): Remove.
5514 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5516 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5517 instead of EXTRA_CONSTRAINT_C16.
5519 2006-01-07 Ian Lance Taylor <ian@airs.com>
5520 David Edelsohn <edelsohn@gnu.org>
5522 PR rtl-optimization/25662
5523 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5524 for constant operands instead of simplify_gen_binary.
5525 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5526 after trying simplify_binary_operation
5528 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5530 * tree.c (iterative_hash_expr): Hash decls based on UID.
5532 2006-01-06 Eric Christopher <echristo@apple.com>
5534 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5535 (TARGET_UNWIND_EMIT): Fix spelling.
5536 * target.h (gcc_target): Add except_table_label.
5537 * except.c (output_function_exception_table): Use.
5538 * varasm.c (default_emit_except_table_label): New.
5539 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5541 (asm_out): Add here.
5542 * output.h (default_emit_except_table_label): Prototype.
5543 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5544 * config/darwin.c (darwin_emit_except_table_label): Define.
5545 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5547 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5549 PR tree-optimization/18527
5550 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5551 number_of_iterations_special, number_of_iterations_exit):
5552 Move base and step of an iv to a single structure. Add
5553 no_overflow flag, and use it in # of iterations analysis.
5554 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5555 folded_casts argument.
5556 (simple_iv): Pass base and step in a structure. Set no_overflow
5558 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5559 Evaluate expensiveness of computing # of iterations instead of
5560 the final expression.
5561 * tree-scalar-evolution.h (affine_iv): New structure.
5562 (simple_iv): Declaration changed.
5563 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5564 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5565 find_givs_in_stmt): Changed due to simple_iv change.
5567 2006-01-06 Jeff Law <law@redhat.com>
5570 * tree-cfg.c (bsi_replace): Rename final argument from
5571 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5572 change (stmt -> orig_stmt).
5573 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5574 (bsi_remove): Add new argument. Remove EH information
5576 (verify_eh_throw_table_statements): New function.
5577 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5579 * tree-optimize.c (execute_free_cfg_annotations): Verify
5580 the EH throw statement table after removing annotations.
5581 * except.h (verify_eh_throw_table_statements): Prototype.
5582 * tree-flow.h (bsi_remove): Update prototype.
5583 * tree-vrp.c (remove_range_assertions): Add new argument to
5585 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5586 * tree-complex.c (expand_complex_div_wide): Likewise.
5587 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5588 * tree-tailcall.c (eliminate_tailcall): Likewise.
5589 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5590 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5591 * tree-nrv.c (tree_nrv): Likewise.
5592 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5593 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5594 (combine_blocks): Likewise.
5595 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5596 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5597 (cleanup_control_flow): Likewise.
5598 (remove_forwarder_block): Likewise.
5599 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5600 * tree-sra.c (sra_replace): Likewise.
5601 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5602 (forward_propagate_single_use_vars): Likewise.
5603 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5604 * tree-inline.c (expand_call_inline): Likewise.
5605 * tree-vect-transform.c (vect_transform_loop): Likewise.
5606 * tree-outof-ssa.c (rewrite_trees): Likewise.
5607 * tree-cfg.c (make_goto_expr_edges): Likewise.
5608 (cleanup_dead_labels): Likewise.
5609 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5610 (bsi_move_before, bsi_move_after): Likewise.
5611 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5612 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5614 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5617 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5619 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5620 on non gimple variables. Also add checks at the top for decls and
5622 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5624 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5625 and IMAGPART_EXPR for creating MUST_DEFs.
5626 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5627 and NAME_MEMORY_TAG separately from the DECLs.
5629 2006-01-06 Richard Guenther <rguenther@suse.de>
5631 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5632 annotation, if necessary.
5633 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5634 redundant calls to update_stmt.
5635 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5638 2006-01-05 Richard Henderson <rth@redhat.com>
5640 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5642 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5644 * c-typeck.c: Update copyright date.
5646 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5648 * c-typeck.c (build_c_cast): Always warn when casting
5649 from a pointer to an integer of different size, even if
5650 the node was constant.
5652 2006-01-05 Richard Guenther <rguenther@suse.de>
5654 PR tree-optimization/22555
5655 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5656 if one structure field is an array.
5657 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5658 operands even if we found a subvar, but ignore VOPs in this
5660 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5662 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5664 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5667 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5669 2006-01-05 Richard Guenther <rguenther@suse.de>
5670 Diego Novillo <dnovillo@redhat.com>
5672 * tree-pass.h (TODO_remove_unused_locals): Define.
5673 * gimple-low.c (expand_var_p, remove_useless_vars,
5674 pass_remove_useless_vars): Remove. Update all users.
5675 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5676 (remove_unused_locals): New function.
5677 * tree-flow.h (remove_unused_locals): Declare.
5678 * passes.c (execute_todo): Call remove_unused_locals if
5679 TODO_remove_unused_locals is set.
5680 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5681 * tree-ssa-dce.c (pass_dce): Likewise.
5682 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5684 2006-01-05 Richard Guenther <rguenther@suse.de>
5686 * tree-flow.h (struct fieldoff): Decompose field to
5687 type, size and decl.
5688 * tree-ssa-alias.c (create_sft): Take type as parameter.
5689 (create_overlap_variables_for): Store type, size and decl
5690 in the fieldoff structure.
5691 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5693 (push_fields_onto_fieldstack): Likewise.
5694 (create_variable_info_for): Likewise. Use offset for the
5695 SFT name if the decl is not available.
5697 2006-01-04 Paul Brook <paul@codesourcery.com>
5699 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5701 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5703 * lambda-code.c (can_put_in_inner_loop): Relax
5705 (can_put_after_inner_loop): New function.
5706 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5707 (perfect_nestify): Change to make copies and modify uses.
5709 2006-01-04 Richard Henderson <rth@redhat.com>
5711 Merge from gomp branch:
5712 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5713 via integer constant.
5714 (pragma_lex): Remove.
5715 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5716 rather than parsing it.
5717 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5718 handle_pragma_extern_prefix): Add %< %> quotes.
5719 (registered_pragmas): New.
5720 (c_register_pragma_1): New.
5721 (c_register_pragma): Use it.
5722 (c_register_pragma_with_expansion): Likewise.
5723 (c_invoke_pragma_handler): New.
5724 (init_pragma): Use cpp_register_deferred_pragma directly for
5726 * c-pragma.h (enum pragma_kind): New.
5727 (pragma_handler): New.
5728 (c_invoke_pragma_handler): Declare.
5729 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5731 * c-common.h (c_common_pch_pragma): Update decl.
5732 * Makefile.in (c-parser.o): Update dependencies.
5733 (GTFILES): Add c-pragma.h.
5734 * c-parser.c (struct c_token): Add pragma_kind.
5735 (struct c_parser): Add in_pragma.
5736 (c_lex_one_token): Always initialize keyword and pragma_kind.
5737 Extract data for CPP_PRAGMA.
5738 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5739 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5740 Don't allow CPP_PRAGMA_EOL if in_pragma.
5741 (c_parser_consume_pragma): New.
5742 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5743 (c_parser_skip_to_end_of_parameter): Likewise.
5744 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5745 (c_parser_skip_to_pragma_eol): New.
5746 (c_parser_external_declaration): Handle CPP_PRAGMA.
5747 (c_parser_compound_statement_nostart): Likewise.
5748 (c_parser_statement_after_labels): Likewise.
5749 (c_parser_pragma): New.
5750 (pragma_lex): Likewise.
5751 (c_parser_pragma_pch_preprocess): New.
5752 (c_parser_new): Merge into ...
5753 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5755 2006-01-04 Jeff Law <law@redhat.com>
5758 * tree-cfg.c (bsi_replace): Remove the original statement
5759 from the EH throw statement table.
5761 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5763 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5764 make the prototype extern "C" and add throw ().
5767 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5768 and pos non-negative and pos + len <= 32.
5769 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5770 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5771 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5774 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5775 as well as sizes not multiple of component size.
5778 * function.c (instantiate_expr): New function.
5779 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5780 walk its DECL_VALUE_EXPR with instantiate_expr.
5782 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5783 DW_OP_deref{,_size} if address isn't going to be added.
5785 2006-01-04 Ben Elliston <bje@au.ibm.com>
5787 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5788 * config/fp-bit.c: Likewise.
5790 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5792 * dominance.c: Add comment about why we use DFS numbering
5795 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5796 Richard Henderson <rth@redhat.com>
5798 Merge from gomp-branch:
5799 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5800 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5802 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5804 PR rtl-optimization/25578
5805 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5806 pass a parameter to simplify_shift_const if changing ASHIFTRT
5809 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5811 * builtins.c (get_builtin_sync_mem): New function.
5812 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5813 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5814 Call get_builtin_sync_mem to generate mem rtx.
5816 2006-01-03 Richard Guenther <rguenther@suse.de>
5819 * stmt.c (add_case_node): Make sure to clear overflow flags
5822 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5824 Merge from gomp-branch.
5825 * config/sparc/sync.md: New file.
5826 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5827 UNSPECV_LDSTUB): New constants.
5828 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5829 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5830 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5833 2006-01-03 Roger Sayle <roger@eyesopen.com>
5835 * combine.c (reg_subword_p): New predicate to test whether the
5836 destination of a set refers to a subword/piece of a register.
5837 (try_combine): Generalize the code to merge the setting of a
5838 pseudo to a constant followed by a set of a subword of that
5839 register to a constant.
5841 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5843 * basic-block.h (control_flow_graph): Change the type of
5844 x_label_to_block_map to VEC(basic_block,gc) *.
5845 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5846 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5848 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5849 VEC(basic_block,heap) *.
5850 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5851 ssa_prop_fini): Adjust the uses of cfg_blocks.
5853 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5855 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5857 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5858 hashing trees instead of a pointer hash.
5859 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5860 compare for MEM_EXPR.
5862 PR rtl-optimization/25130
5863 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5864 when comparing MEMs for GCSE
5866 2006-01-03 Ben Elliston <bje@au.ibm.com>
5868 * targhooks.h (default_decimal_float_supported_p): Declare.
5869 * targhooks.c (default_decimal_float_supported_p): Define.
5870 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5871 `default_decimal_float_supported_p'.
5872 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5874 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5876 * combine.c (apply_distributive_law <SUBREG>): Check
5877 TRULY_NOOP_TRUNCATION.
5879 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5881 * dwarf2out.c (have_switched_text_section): Delete.
5882 (have_multiple_function_sections): New.
5883 (have_location_lists): Make 'bool'.
5884 (add_AT_loc_list): Use 'true' not '1'.
5885 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5886 (output_loc_list): Use have_multiple_function_sections.
5887 (output_ranges): Likewise.
5888 (dwarf2out_begin_function): Set have_multiple_function_sections if
5890 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5891 Check function_section rather than DECL_SECTION_NAME.
5892 (dwarf2out_finish): Use have_multiple_function_sections.
5893 Don't clear have_location_lists.
5895 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5896 Jan Hubicka <jh@suse.cz>
5898 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5899 case of conditional jump jumping to the next instruction.
5900 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5901 cases of conditional jump jumping to the next instruction.
5903 2006-01-02 Jan Hubicka <jh@suse.cz>
5905 * i386.c (*_cost): Add COSTS_N_INSNS.
5906 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5908 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5911 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5913 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5915 * config/arm/arm.c (all_fpus): Fix comment typo.
5916 * config/darwin.c: Likewise.
5917 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5918 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5919 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5921 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5923 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5924 (rs6000_split_compare_and_swapqhi): New.
5925 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5926 (sync_compare_and_swapqhi_internal): New.
5927 * config/rs6000/rs6000-protos.h: Declare.