* tree.h (TREE_ADDRESSABLE): Document its effect for function types.
* calls.c (expand_call): Pass the function type to aggregate_value_p.
* function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
function type instead. Reorder and simplify checks.
* gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
ada/
* gcc-interface/ada-tree.h (TYPE_RETURNS_UNCONSTRAINED_P): Rename into.
(TYPE_RETURN_UNCONSTRAINED_P): ...this.
(TYPE_RETURNS_BY_REF_P): Rename into.
(TYPE_RETURN_BY_DIRECT_REF_P): ...this.
(TYPE_RETURNS_BY_TARGET_PTR_P): Delete.
* gcc-interface/gigi.h (create_subprog_type): Adjust parameter names.
(build_return_expr): Likewise.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>:
Rename local variables. If the return Mechanism is By_Reference, pass
return_by_invisible_ref_p to create_subprog_type instead of toggling
TREE_ADDRESSABLE. Test return_by_invisible_ref_p in order to annotate
the mechanism. Use regular return for contrained types with non-static
size and return by invisible reference for unconstrained return types
with default discriminants. Update comment.
* gcc-interface/trans.c (Subprogram_Body_to_gnu): If the function
returns by invisible reference, turn the RESULT_DECL into a pointer.
Do not handle DECL_BY_REF_P in the CICO case here.
(call_to_gnu): Remove code handling return by target pointer. For a
function call, if the return type has non-constant size, generate the
assignment with an INIT_EXPR.
(gnat_to_gnu) <N_Return_Statement>: Remove dead code in the CICO case.
If the function returns by invisible reference, build the copy return
operation manually.
(add_decl_expr): Initialize the variable with an INIT_EXPR.
* gcc-interface/utils.c (create_subprog_type): Adjust parameter names.
Adjust for renaming of macros. Copy the node only when necessary.
(create_subprog_decl): Do not toggle TREE_ADDRESSABLE on the return
type, only change DECL_BY_REFERENCE on the RETURN_DECL.
(convert_from_reference): Delete.
(is_byref_result): Likewise.
(gnat_genericize_r): Likewise.
(gnat_genericize): Likewise.
(end_subprog_body): Do not call gnat_genericize.
* gcc-interface/utils2.c (build_binary_op) <INIT_EXPR>: New case.
(build_return_expr): Adjust parameter names, logic and comment.
From-SVN: r158139
* doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
(Specific, *-*-solaris2*): Likewise.
Don't prefer Sun as over GNU as.
From-SVN: r158127
2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.c (override_options): Adjust the z10
defaults for max-unroll-times, max-completely-peeled-insns
and max-completely-peel-times.
From-SVN: r158122
PR target/41653
* config/arm/arm.c (thumb1_size_rtx_costs): New function.
(arm_size_rtx_costs): Call the new function when optimized for size.
From-SVN: r158110
PR debug/43670
* cfgexpand.c (expand_debug_expr): If for non-NULL offset
op0 is not a MEM, just return NULL instead of assertion
failure.
(discover_nonconstant_array_refs): Don't walk debug stmts.
* gcc.dg/pr43670.c: New test.
From-SVN: r158108
2010-04-07 Doug Kwan <dougkwan@google.com>
* configure.ac: Recognize gold and do not use its version number
to test ld features.
* configure: Regenerate.
From-SVN: r158106
PR middle-end/40815
* tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
(negate_value): Move code to push elements to broken_up_substracts ...
(eliminate_plus_minus_pair): ... here. Push operands that have no
negative pair to plus_negates.
(repropagate_negates, init_reassoc, fini_reassoc): Update.
PR middle-end/40815
* gcc.dg/tree-ssa/reassoc-19.c: New.
From-SVN: r158105
gcc/:
* doc/install.texi (Configuration): Move description of
--enable-lto, --with-libelf*, --enable-gold from Java section to
general section.
From-SVN: r158089
* tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
used count variable.
* genemit.c (gen_expand, gen_split): Avoid set but not used warnings
when operandN variables aren't used in the body of the expander
or splitter.
* tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
* tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
* tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
FOR_EACH_IMM_USE_ON_STMT): Likewise.
* tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
* tree.c (PROCESS_ARG): Likewise.
fortran/
* parse.c (parse_derived, parse_enum): Avoid set but not used
warning.
java/
* expr.c (process_jvm_instruction): Avoid set but not used warning.
* builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin,
getVolatile_builtin): Likewise.
libjava/
* exception.cc (_Jv_Throw): Avoid set but not used warning.
* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
sizeof to avoid set but not used warnings.
libjava/classpath/
* native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
(Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1):
Avoid set but not used warning.
libiberty/
* regex.c (byte_re_match_2_internal): Avoid set but not used
warning.
gcc/testsuite/
* gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings.
* gcc.dg/trunc-1.c: Likewise.
* gcc.dg/vla-9.c: Likewise.
* gcc.dg/dfp/composite-type.c: Likewise.
libffi/
* testsuite/libffi.call/err_bad_abi.c: Remove unused args variable.
From-SVN: r158085
* tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
used count variable.
* genemit.c (gen_expand, gen_split): Avoid set but not used warnings
when operandN variables aren't used in the body of the expander
or splitter.
* tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
* tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
* tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
FOR_EACH_IMM_USE_ON_STMT): Likewise.
* tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
* tree.c (PROCESS_ARG): Likewise.
fortran/
* parse.c (parse_derived, parse_enum): Avoid set but not used
warning.
java/
* expr.c (process_jvm_instruction): Avoid set but not used warning.
* builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin,
getVolatile_builtin): Likewise.
libjava/
* exception.cc (_Jv_Throw): Avoid set but not used warning.
* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
sizeof to avoid set but not used warnings.
libjava/classpath/
* native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
(Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1):
Avoid set but not used warning.
libiberty/
* regex.c (byte_re_match_2_internal): Avoid set but not used
warning.
gcc/testsuite/
* gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings.
* gcc.dg/trunc-1.c: Likewise.
* gcc.dg/vla-9.c: Likewise.
* gcc.dg/dfp/composite-type.c: Likewise.
libffi/
* testsuite/libffi.call/err_bad_abi.c: Remove unused args variable.
From-SVN: r158084
gcc/objc/Changelog:
2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
PR objc/35996
* objc-act.c (objc_init): Warn that -fobjc-gc is ignored for
-fgnu-runtime and set flag_objc_gc to zero.
testsuite:
2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
PR objc/35996
* objc.dg/objc-gc-4.m: Run for all targets, prune new warning.
* obj-c++.dg/objc-gc-3.mm: Ditto.
From-SVN: r158083
PR c++/11094, DR 408
* cp-tree.h (VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): New.
* decl2.c (finish_static_data_member_decl): Set it.
* decl.c (duplicate_decls): Propagate it.
* pt.c (tsubst_decl): Don't substitute the domain of an array
VAR_DECL if it's set.
(regenerate_decl_from_template): Substitute it here.
(type_dependent_expression_p): Return true if it's set.
* semantics.c (finish_decltype_type): Instantiate such a variable.
* typeck.c (cxx_sizeof_expr): Likewise.
(strip_array_domain): New.
From-SVN: r158075
* name-lookup.c (current_decl_namespace): Non-static.
(pop_nested_namespace): Sanity check.
* cp-tree.h: Declare current_decl_namespace.
* decl.c (grokvardecl): Use it instead of current_namespace.
(grokfndecl): Likewise.
* gnu/gcj/runtime/natSharedLibLoader.cc (findCore): Move
declaration of _Jv_create_core out of the function.
From-SVN: r158074
Fix PR c++/42697
gcc/cp/ChangeLog:
PR c++/42697
*pt.c (tsubst_decl): Get the arguments of a specialization from
the specialization template, not from the most general template.
gcc/testsuite/ChangeLog:
PR c++/42697
* g++.dg/template/crash94.C: New test.
From-SVN: r158068
Fix PR c++/40239
gcc/cp/ChangeLog:
PR c++/40239
* typeck2.c (process_init_constructor_record):
value-initialize members that are are not explicitely
initialized.
gcc/testsuite/ChangeLog:
PR c++/40239
* g++.dg/init/aggr5.C: New test.
* g++.dg/init/aggr5.C: New test.
From-SVN: r158066
* exp_pakd.adb (Create_Packed_Array_Type): Always use a modular type
if the size is small enough. Propagate the alignment if there is an
alignment clause on the original array type.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Subtype>
Deal with under-aligned packed array types. Copy the size onto the
justified modular type and don't lay it out again. Likewise for the
padding type built for other under-aligned subtypes.
* gcc-interface/utils.c (finish_record_type): Do not set a default mode
on the type.
From-SVN: r158056
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Set default
alignment on the RETURN type built for the Copy-In Copy-Out mechanism.
From-SVN: r158054
* gcc-interface/trans.c (call_to_gnu): In the return-by-target-ptr case
do not set the result type if there is a specified target and do not
convert the result in any cases.
(protect_multiple_eval): Make direct SAVE_EXPR for CALL_EXPR.
(maybe_stabilize_reference) <COMPOUND_EXPR>: Merge with CALL_EXPR.
From-SVN: r158053
2010-04-07 Richard Guenther <rguenther@suse.de>
PR middle-end/42617
* expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
pointer bases build simple mem attributes to retain
points-to information.
From-SVN: r158048
cp/
PR c++/42556
* typeck2.c (split_nonconstant_init_1): Drop empty CONSTRUCTOR
when all of its elements are non-constant and have been split out.
testsuite/
PR c++/42556
* g++.dg/init/pr42556.C: New test.
From-SVN: r158047
