* config/i386/i386.md (SI_REG, DI_REG): New constants.
(strmov): Use defined constants.
(cmpstrnsi): Likewise.
* config/i386/i386.c (decide_alg): Use defined constants.
(ix86_expand_strlen): Likewise.
From-SVN: r129276
gcc/cp/
2007-10-12 Simon Martin <simartin@users.sourceforge.net>
PR c++/26698
* call.c (build_user_type_conversion_1): Do not consider conversion
functions to convert a (possibly cv-qualified) object to the (possibly
cv-qualified) same object type (or a reference to it), to a (possibly
cv-qualified) base class of that type (or a reference to it).
gcc/testsuite/
2007-10-12 Simon Martin <simartin@users.sourceforge.net>
PR c++/26698
* g++.dg/conversion/op4.C: New test.
From-SVN: r129274
gcc/
* dse.c (find_shift_sequence): Reinstate "<= UNITS_PER_WORD" condition.
* var-tracking.c (micro_operation_def): Update comment on u.loc.
(mode_for_reg_attrs, var_lowpart): New functions.
(add_uses): Consider recording a lowpart of LOC for MO_USE.
(add_stores): Likewise MO_SET and MO_COPY. If the source of a set
or copy is known, set LOC to the SET that performs the set, instead
of the destination.
(find_src_status, find_src_set_src): Remove LOC parameter.
Replace INSN with the source value.
(compute_bb_dataflow, emit_notes_in_bb): Check for a SET u.loc when
handling MO_SET and MO_COPY. Update the calls to find_src_status
and find_src_set_src.
From-SVN: r129269
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33542
* resolve.c (resolve_actual_arglist): If the actual argument is
ambiguous, then there is an error.
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33542
* gfortran.dg/ambiguous_specific_1.f90: New test.
From-SVN: r129268
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* expr.c (gfc_specification_expr): If a function is not
external, intrinsic or pure is an error. Set the symbol pure
to prevent repeat errors.
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* gfortran.dg/impure_spec_expr_1.f90: New test.
* gfortran.dg/char_result_7.f90: Remove illegal test.
From-SVN: r129267
gcc/
PR 11001
* config/i386/i386.md (strmov): Check for esi and edi usage.
* config/i386/i386.c (decide_alg): Check whether we can use a
rep prefix and adjust algorithm choice accordingly.
(ix86_expand_strlen): Check for eax, ecx, and edi usage.
gcc/testsuite/
PR 11001
* gcc.target/i386/pr11001-strlen-1.c: New testcase.
* gcc.target/i386/pr11001-strlen-2.c: New testcase.
* gcc.target/i386/pr11001-strlen-3.c: New testcase.
* gcc.target/i386/pr11001-memset-1.c: New testcase.
* gcc.target/i386/pr11001-memset-2.c: New testcase.
* gcc.target/i386/pr11001-memset-3.c: New testcase.
* gcc.target/i386/pr11001-memcpy-1.c: New testcase.
* gcc.target/i386/pr11001-memcpy-2.c: New testcase.
* gcc.target/i386/pr11001-memcpy-3.c: New testcase.
From-SVN: r129265
2007-10-12 Richard Guenther <rguenther@suse.de>
* tree-ssa-forwprop.c (forward_propagate_into_cond): For
combining both operands require either both have single uses
or combining to a constant.
From-SVN: r129261
2007-10-12 Richard Guenther <rguenther@suse.de>
PR middle-end/26198
* tree-ssa-forwprop.c (can_propagate_from): Do not propagate from
a rhs with side-effects or which is a load.
(forward_propagate_into_cond): Also try combining both operands.
* gcc.dg/tree-ssa/forwprop-3.c: New testcase.
* gcc.c-torture/execute/20071011-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-pre-9.c: Adjust.
From-SVN: r129256
PR tree-optimization/33742
* tree-vect-transform.c (vectorizable_operation): Return false
if get_vectype_for_scalar_type for scalar_dest can't be determined.
(vectorizable_call): Same for rhs_type and lhs_type.
testsuite/ChangeLog:
PR tree-optimization/33742
* gcc.dg/pr33742.c: New testcase.
From-SVN: r129255
PR tree-optimization/33645
* tree-ssa-live.c (mark_all_vars_used): Add data argument,
pass it to walk_tree.
(mark_all_vars_used_1): Pass data through to mark_all_vars_used.
When calling set_is_used on a VAR_DECL, if data is not NULL and
its DECL_UID is in the bitmap, call mark_all_vars_used on its
DECL_INITIAL after clearing the bit in bitmap.
(remove_unused_locals): Adjust mark_all_vars_used callers.
Instead of removing unused global vars from unexpanded_var_list
immediately record them in bitmap, call mark_all_vars_used on
all used global vars from unexpanded_var_list and only purge
global vars that weren't found used even during that step.
* gcc.dg/pr33645-1.c: New test.
* gcc.dg/pr33645-2.c: New test.
* gcc.dg/pr33645-3.c: New test.
From-SVN: r129254
PR c++/32121
* parser.c (cp_parser_compound_statement): Handle label-declarations
at the beginning of the compound statement.
(cp_parser_block_declaration): Issue diagnostics about __label__
not at the beginning of a block.
* g++.dg/ext/label4.C: Adjust error regexp.
* g++.dg/ext/label6.C: Adjust error regexp.
* g++.dg/ext/label7.C: New test.
* g++.dg/ext/label8.C: New test.
* g++.dg/ext/label9.C: New test.
From-SVN: r129253
* gthr-posix.h (__gthread_active_init): Create detached instead of
joinable thread when testing whether threads are active on hppa-hpux.
* gthr-posix95.h (__gthread_active_init): Likewise.
From-SVN: r129246
2007-10-11 Richard Guenther <rguenther@suse.de>
* gcse.c (hash_scan_set): If the next nonnote insn is in
a different basic block insert the set.
From-SVN: r129230
/testsuite
2007-10-11 Paolo Carlini <pcarlini@suse.de>
PR c++/31441
* g++.dg/cpp0x/variadic83.C: New.
/cp
2007-10-11 Paolo Carlini <pcarlini@suse.de>
PR c++/33461
* pt.c (coerce_template_parameter_pack): Do not pass error_mark_node
to convert_template_argument.
(coerce_template_parms): Return error_mark_node after fixed-length
error.
(tsubst_decl): Check for error_mark_node the return value of the
first tsubst in 'case VAR_DECL'.
/testsuite
2007-10-11 Paolo Carlini <pcarlini@suse.de>
PR c++/33461
* g++.dg/cpp0x/variadic81.C: New.
* g++.dg/cpp0x/variadic82.C: Likewise.
From-SVN: r129229
2007-10-11 Richard Guenther <rguenther@suse.de>
PR middle-end/33724
* tree-cfg.c (one_pointer_to_useless_type_conversion_p): New function.
(verify_gimple_expr): Use it to verify pointer-to types for
ADDR_EXPRs.
* gcc.dg/pr33724.c: New testcase.
From-SVN: r129228
2007-10-11 Richard Guenther <rguenther@suse.de>
PR c/33726
* c-typeck.c (build_array_ref): Do not strip qualifiers from
the array element type.
* gcc.dg/pr33726.c: New testcase.
From-SVN: r129227
PR rtl-optimization/33638
* dse.c (struct insn_info): Remove 'stack_read' field,
add 'stack_pointer_based' field.
(record_store): For a store with non-constant base, record
whether it is stack pointer based.
(scan_insn): For the call to a const function, remove stack
pointer based stores from the list of local active stores.
(scan_reads_nospill): Delete code dealing with const functions.
From-SVN: r129226