2006-05-02 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26626
* tree-ssa-structalias.c (compute_points_to_sets): For now, solve
always.
* tree-ssa-operands.c (access_can_touch_variable): Allow
typecasting through union pointers.
From-SVN: r113493
PR c++/26943
* omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
(build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
to find if var will be a global variable even in the nested context.
(omp_copy_decl): Only check for global variable at the end, it might
be overridden in outer contexts.
(scan_sharing_clauses): For global variables don't create a field.
(lower_rec_input_clauses): Do nothing for global shared variables.
Emit a barrier at the end of ILIST if there were any decls in both
firstprivate and lastprivate clauses.
(lower_send_clauses): Do nothing for global variables except for
COPYIN.
* testsuite/libgomp.c/pr26943-1.c: New test.
* testsuite/libgomp.c/pr26943-2.c: New test.
* testsuite/libgomp.c/pr26943-3.c: New test.
* testsuite/libgomp.c/pr26943-4.c: New test.
* testsuite/libgomp.c++/pr27337.C: Remove barrier.
* testsuite/libgomp.c++/pr26943.C: New test.
From-SVN: r113483
2006-05-02 Paul Thomas <pault@gcc.gnu.org>
PR fortran/27269
* module.c: Add static flag in_load_equiv.
(mio_expr_ref): Return if no symtree and in_load_equiv.
(load_equiv): If any of the equivalence members have no symtree, free
the equivalence and the associated expressions.
PR fortran/27324
* trans-common.c (gfc_trans_common): Invert the order of calls to
finish equivalences and gfc_commit_symbols.
PR fortran/27269
PR fortran/27324
* gfortran.dg/module_equivalence_2.f90: New test.
From-SVN: r113465
2006-05-02 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (add_minipool_forward_ref): Check if insn
and pool overlap.
(create_fix_barrier): Check that a suitable barrier location is
found.
(arm_reorg): Include ftmp->address in allowable range of addresses.
From-SVN: r113459
2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
PR ada/27366
* ada/env.c (__gnat_clearenv): Use unsetenv() to clear
environment on Cygwin.
From-SVN: r113457
PR middle-end/27337
* gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
around RESULT_DECL for result passed by reference.
(gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
* omp-low.c (use_pointer_for_field): Don't look at
DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
(scan_omp_1): Call remap_decl on RESULT_DECLs.
(lower_rec_input_clauses): Don't allocate VLA memory for the second
time or var for passing by reference for
OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
TREE_ADDRESSABLE variables when passing by reference.
* omp-low.c (dump_omp_region): Fix output formatting.
cp/
* cp-gimplify.c (cxx_omp_privatize_by_reference): New function.
* cp-tree.h (cxx_omp_privatize_by_reference): New prototype.
* cp-objcp-common.h (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Define.
testsuite/
* g++.dg/gomp/pr27337-1.C: New test.
* g++.dg/gomp/pr27337-2.C: New test.
libgomp/
* testsuite/libgomp.c++/pr27337.C: New test.
From-SVN: r113456
PR middle-end/27325
* omp-low.c (lower_omp_sections): Call maybe_catch_exception
on statement list containing also constructors and destructors.
(lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
* g++.dg/gomp/pr27325.C: New test.
From-SVN: r113454
* vec.c: Include bconfig.h when appropriate.
* Makefile.in (build/vec.o): Adjust dependencies.
* mkconfig.sh: Make sure config.h isn't used for build machine
compiles.
From-SVN: r113432
PR rtl-optimization/27291
* loop-doloop.c (add_test, doloop_modify): Handle the case condition is
folded to a constant.
* g++.dg/tree-ssa/pr27291.C: New test.
From-SVN: r113430
PR tree-optimization/27283
* tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
not whole # of iteration descriptions.
(niter_for_exit): Return just # of iterations. Fail if # of iterations
uses abnormal ssa name.
(niter_for_single_dom_exit): Ditto.
(find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
return just the number of iterations.
* g++.dg/tree-ssa/pr27283.C: New test.
From-SVN: r113427
2006-05-01 Andreas Tobler <a.tobler@schweiz.ch>
* configure.ac: Simplify the mmap check a bit more.
* configure: Rebuilt.
* include/config.h.in: Likewise.
From-SVN: r113426
PR tree-optimization/27144
* tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
(record_estimate): Only record constant upper bound.
(infer_loop_bounds_from_undefined): Call
compute_estimated_nb_iterations just once.
(proved_non_wrapping_p): Renamed to ...
(n_of_executions_at_most): ... this. Expect bound to be a constant.
(convert_step_widening, scev_probably_wraps_p): Call
n_of_executions_at_most instead of proved_non_wrapping_p.
(substitute_in_loop_info): Do not replace values in bounds.
* cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
comments.
* gcc.dg/tree-ssa/loop-16.c: New test.
From-SVN: r113425
* c-typeck.c (parser_build_binary_op): Don't call the function
unsigned_conversion_warning to spot operand/result type overflow.
(build_binary_op): Instead, call convert_and_check instead of
convert to report the problem when the operands are promoted.
* c-common.c (unsigned_conversion_warning): Make static.
* c-common.h (unsigned_conversion_warning): Delete prototype.
* gcc.dg/Wconversion-3.c: New test case.
* gcc.dg/Wconversion-4.c: Likewise.
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
From-SVN: r113418
* boehm.cc (_Jv_InitGC): Check both HAVE_DLFCN_H and HAVE_DLADDR
before calling GC_register_has_static_roots_callback.
(_Jv_RegisterLibForGc): Likewise, test for both HAVE_DLFCN_H and
HAVE_DLADDR before calling dladdr.
Co-Authored-By: Andrew Haley <aph@redhat.com>
From-SVN: r113417
2006-05-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26726
* tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
problem ...
(find_interesting_uses_address): ... we work around here
by folding INDIRECT_REFs in the substituted base.
* g++.dg/tree-ssa/ivopts-1.C: New testcase.
From-SVN: r113414
2006-05-01 Paolo Carlini <pcarlini@suse.de>
* acinclude.m4 (GLIBCXX_ENABLE_WCHAR_T): Always check the
presence of wctype.h, for use in GLIBCXX_ENABLE_C99.
* configure: Regenerate.
From-SVN: r113413
PR c++/27278
* decl.c (grok_op_properties): Skip operators with invalid args
when checking for class-type or enum-type args.
* g++.dg/parse/operator7.C: New test.
From-SVN: r113389
