* tree-vect-generic.c (expand_vector_operations_1): Correct tests
for vector types -- use the type not the mode. Fix optab selection
for vector shifts by a scalar. Handle over-large integer modes
like BLKmode.
This changes code generation from "eors; eors; orrs" (which ranges
from 6 to 12 bytes and requires three scratch registers), to
"cmp; it; cmp" (which is always 6 bytes for register inputs and
requires no scratch registers).
* config/arm/arm.md (*arm_cmpdi_unsigned): Enable for thumb2.
* config/arm/arm.c (arm_select_cc_mode): Use it.
tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict handling of signedness differences to integer types.
gcc/
* tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict
handling of signedness differences to integer types. Only build
a new optype if type1 isn't correct.
* unwind-arm-common.inc: Include `tconfig.h', `tsystem.h' and
`sys/sdt.h'.
(_Unwind_DebugHook): New function.
(uw_restore_core_regs): New define.
(unwind_phase2): Use uw_restore_core_regs instead of
restore_core_regs.
(unwind_phase2_forced): Likewise.
(__gnu_Unwind_Resume): Likewise.
Joseph Myers [Tue, 20 Dec 2011 20:44:13 +0000 (20:44 +0000)]
gcc:
* c-decl.c (diagnose_mismatched_decls, grokdeclarator, grokfield)
(finish_struct): Refer to C11 in comments. Use flag_isoc11.
* c-parser.c (c_parser_static_assert_declaration)
(c_parser_static_assert_declaration_no_semi, c_parser_declspecs)
(c_parser_alignas_specifier, c_parser_alignof_expression): Refer
to C11 in comments. Use flag_isoc11.
* c-typeck.c (comptypes_check_different_types): Refer to C11 in
comment.
* doc/cpp.texi (Overview): Refer to -std=c11 instead of -std=c1x.
* doc/cppopts.texi (-std=c11, -std=gnu11): Document in preference
to -std=c1x and -std=gnu1x.
* doc/extend.texi (Inline, Alternate Keywords, Other Builtins)
(__builtin_complex, Unnamed Fields): Refer to -std=c11 and C11
instead of -std=c1x and C1X.
* doc/invoke.texi (-std=c11, -std=iso9899:2011): Document in
preference to -std=c1x.
(-std=gnu11): Document in preference to -std=gnu1x.
* doc/standards.texi: Document C11 instead of C1X. Document C11
as actual standard. Document headers required from freestanding
C11 implementations.
* ginclude/float.h, ginclude/stddef.h: Test __STDC_VERSION__ >=
201112L for C11. Update comments to refer to C11.
gcc/c-family:
* c-common.c (flag_isoc99): Update comment to refer to C11.
(flag_isoc1x): Change to flag_isoc11.
* c-common.h (flag_isoc99): Update comment to refer to C11.
(flag_isoc1x): Change to flag_isoc11.
* c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to
C11.
* c-opts.c (set_std_c1x): Change to set_std_c11.
(c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11.
Call set_std_c11.
(set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11.
(set_std_c1): Use CLK_STDC11 and CLK_GNUC11.
* c.opt (std=c1x): Change to std=c11. Document as non-draft
standard.
(std=c1x, std=iso9899:2011): Add as aliases of std=c11.
(std=gnu1x): Change to std=gnu11. Refer to non-draft standard.
(std=gnu1x): Make alias of std=gnu11.
gcc/testsuite:
* gcc.dg/c11-version-1.c, gcc.dg/c11-version-2.c,
gcc.dg/c94-version-1.c, gcc.dg/c99-version-1.c,
gcc.dg/gnu11-version-1.c: New tests.
libcpp:
* include/cpplib.h (CLK_GNUC1X): Change to CLK_GNUC11.
(CLK_STDC1X): Change to CLK_STDC11.
* init.c (lang_defaults): Update comments.
(cpp_init_builtins): Update language tests. Use 201112L for C11
__STDC_VERSION__.
Bernd Schmidt [Tue, 20 Dec 2011 16:46:22 +0000 (16:46 +0000)]
expr.c (store_field): Avoid a direct store if the mode is larger than the size of the bit field.
gcc/
* expr.c (store_field): Avoid a direct store if the mode is larger
than the size of the bit field.
* stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
treat non-volatile bit fields like volatile ones.
* toplev.c (process_options): Disallow combination of
-fstrict-volatile-bitfields and ABI versions less than 2.
* config/arm/arm.c (arm_option_override): Don't enable
flag_strict_volatile_bitfields if the ABI version is less than 2.
* config/h8300/h8300.c (h8300_option_override): Likewise.
* config/rx/rx.c (rx_option_override): Likewise.
* config/m32c/m32c.c (m32c_option_override): Likewise.
* config/sh/sh.c (sh_option_override): Likewise.
gcc/testsuite/
* gcc.target/arm/volatile-bitfields-4.c: New test.
* c-c++-common/abi-bf.c: New test.
Arnaud Charlet [Tue, 20 Dec 2011 14:09:26 +0000 (15:09 +0100)]
[multiple changes]
2011-12-20 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Insert_Freeze_Node_For_Instance): Further
refinements on the placement of a freeze node for a package
instantiation, when the generic appears within a previous
instantiation in the same unit.If the current instance is within
the one that contains the generic, the freeze node for the
current one must appear in the current declarative part. Ditto
if the current instance is within another package instance. In
these cases the freeze node of the previous instance is is not
relevant. New predicate Enclosing_Body simplifies the process.
(Freeze_Subprogram_Body): Rename Enclosing_Body to
Enclosing_Package_Body, to prevent confusion with subprogram of
same name elsewhere.
(Install_Body): Recognize enclosing subprogram bodies to determine
whether freeze_node belongs in current declarative list.
2011-12-20 Robert Dewar <dewar@adacore.com>
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Allow
attribute definition clause for renaming if generated internally
and generate duplicate clause to apply to renamed object.
(Rep_Item_Too_Late): Only diagnose source level entities
* prj-nmsc.adb: Minor reformatting.
* gcc-interface/Make-lang.in: Update dependencies.
Arnaud Charlet [Tue, 20 Dec 2011 14:04:19 +0000 (15:04 +0100)]
[multiple changes]
2011-12-20 Bob Duff <duff@adacore.com>
* opt.ads (List_Inherited_Aspects): Default to False
(i.e. -gnatw.L is the default).
* usage.adb: Document new default for -gnatw.L.
* gnat_ugn.texi: Document -gnatw.l and -gnatw.L switches.
* warnsw.adb (Set_Warning_Switch): Do not include
List_Inherited_Aspects in -gnatwa.
2011-12-20 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Apply_Type_Conversion_Checks): For a discrete type
with predicates, indicate unconditionally that a range check
is needed.
* exp_ch4.adb (Expand_N_In): When the membership test is rewritten
to incorporate a call to a predicate function, analyze expression
with checks suppressed, to prevent infinite recursion.
* exp_ch11.adb (Find_Local_Handler): Guard the
search over individual exception choices in case the list of
handlers contains other (possibly illegal) constructs.
2011-12-20 Gary Dismukes <dismukes@adacore.com>
* sem_ch8.adb (Find_Type): Test taggedness
of the Available_Type when checking for an illegal use of an
incomplete type, when the incomplete view is a limited view of
a type. Remove redundant Is_Tagged test.
* exp_util.adb: Add with and use clause for Aspects.
(Is_Finalizable_Transient): Objects which denote Ada containers
in the context of iterators are not considered transients. Such
object must live for as long as the loop is around.
(Is_Iterated_Container): New routine.
* sem_ch4.adb (Operator_Check): Update the call to
Is_Dimensioned_Type.
* sem_dim.adb: Remove with and use clause for Namet.Sp. Reorganize
all type declarations and datastructures involved. Propagate
all changes involving data structures and types throughout
the pakage. Alphabetize all subprograms. Add ??? comments.
(AD_Hash): Removed.
(Analyze_Aspect_Dimension): Rewritten. This
routine now does all its checks in one pass rather than
two. Refactor code. The error message are now in a more GNAT-ish style.
(Create_Rational_From_Expr): This is now a function.
(Get_Dimensions): Removed.
(Get_Dimensions_String_Id): Removed.
(Dimensions_Of): New rouitne.
(Exists): New routines.
(Is_Invalid): New routine.
(Permits_Dimensions): Removed.
(Present): Removed.
(Set_Symbol): New routine.
(System_Of): New routine.
* sem_dim.ads: Rewrite the top level description of the
package. Alphabetize subprograms. Add various comments on
subprogram usage. Add ??? comments.
(Is_Dimensioned_Type):
Renamed to Has_Dimension_System.
* sem_res.adb (Resolve_Op_Expon): Update the call to Is_Dimensioned_Type
Ed Schonberg [Tue, 20 Dec 2011 13:53:42 +0000 (13:53 +0000)]
sem_ch13.adb (Check_Indexing_Functions): The return type of an indexing function can be the default element type...
2011-12-20 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (Check_Indexing_Functions): The return type of an
indexing function can be the default element type, and does not
need to be a reference type.
* sem_ch4.adb (Try_Container_Indexing): Ditto.
Arnaud Charlet [Tue, 20 Dec 2011 13:52:22 +0000 (14:52 +0100)]
[multiple changes]
2011-12-20 Robert Dewar <dewar@adacore.com>
* a-cdlili.ads, sem_cat.adb, sem_ch10.adb: Minor reformatting.
2011-12-20 Bob Duff <duff@adacore.com>
* s-taprop-mingw.adb (Yield): Do_Yield is no longer Unreferenced.
2011-12-20 Vincent Pucci <pucci@adacore.com>
* impunit.adb: s-dimkio, s-dimmks and s-dmotpr defined as GNAT
Defined Additions to System.
* Makefile.rtl: s-dimkio, s-dimmks and s-dmotpr added.
* s-dimkio.ads, s-dimmks.ads, s-dmotpr.ads: New files.
2011-12-20 Gary Dismukes <dismukes@adacore.com>
* sem_ch4.adb (Traverse_Homonyms): Allow a homonym to match when
within an instance, even if the homonym is marked Is_Hidden at
this point.
* sem_cat.adb, sem_ch10.adb (Analyze_With_Clause): For a WITH clause on
a child unit that is an illegal instantiation, mark the WITH clause in
error.
(Install_Siblings, Validate_Categorization_Dependency): Guard
against WITH clause marked as in error.
* sem_res.adb (Resolve_Allocator): Warning on allocation
of tasks on a subpool and rewrite the allocator into a raise
Program_Error statement.
* s-stposu.ads, s-stposu.adb: Code reformatting.
(Create_Subpool): Remove formal parameter Storage_Size.
(Default_Subpool_For_Pool): Add the default implementation of this
routine.
(Set_Pool_Of_Subpool): Rename formal parameter Pool to To. Update
all the uses of the parameter.
Rainer Orth [Tue, 20 Dec 2011 12:16:43 +0000 (12:16 +0000)]
Support 64-bit libgnat multilib on i?86-linux
* gcc-interface/Makefile.in (%86 linux%):
(LIBGNAT_TARGET_PAIRS_32): Split off from LIBGNAT_TARGET_PAIRS.
(LIBGNAT_TARGET_PAIRS_64): New.
(LIBGNAT_TARGET_PAIRS): Add either depending on multilib.
Jason Merrill [Mon, 19 Dec 2011 20:10:49 +0000 (15:10 -0500)]
re PR c++/51553 (brace initialization and conversion operators)
PR c++/51553
* cp-tree.h (LOOKUP_LIST_INIT_CTOR): Rename from
LOOKUP_NO_COPY_CTOR_CONVERSION.
(add_list_candidates): Set it earlier.
(add_candidates): Don't check explicit on ctors when it's set.
(add_function_candidate): Check it even when LOOKUP_ONLYCONVERTING
is set.
Richard Guenther [Mon, 19 Dec 2011 15:57:02 +0000 (15:57 +0000)]
re PR lto/51573 (ICE (segfault) in lto_varpool_encoder_encode_initializer_p)
2011-12-19 Richard Guenther <rguenther@suse.de>
PR lto/51573
* streamer-hooks.h (struct streamer_hooks): Add second
ref_p parameter to write_tree.
(stream_write_tree): Adjust.
(stream_write_tree_shallow_non_ref): New define.
* lto-streamer.h (lto_output_tree): Adjust.
* lto-streamer-out.c (lto_output_tree): Likewise.
* tree-streamer-out.c (streamer_write_chain): Only
force the immediate tree to be streamed as non-reference.
* gcc.dg/lto/20111207-2_0.c: Adjust.
* g++.dg/lto/pr51573-1_0.C: New testcase.
Martin Jambor [Mon, 19 Dec 2011 14:33:18 +0000 (15:33 +0100)]
re PR tree-optimization/51583 (One more missing force_gimple_operand in SRA)
2011-12-19 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/51583
* tree-sra.c (load_assign_lhs_subreplacements): Call
force_gimple_operand_gsi when necessary also in case of no
corresponding replacement on the RHS.
Richard Guenther [Mon, 19 Dec 2011 13:37:06 +0000 (13:37 +0000)]
re PR bootstrap/51572 (LTO bootstrap failed with bootstrap-profiled)
2011-12-19 Richard Guenther <rguenther@suse.de>
PR lto/51572
* tree.c (free_lang_data_in_type): Do not unlink TYPE_DECL
from TYPE_FIELDS.
(find_decls_types_r): Walk TYPE_DECLs in TYPE_FIELDS.
* tree-streamer-out.c (write_ts_field_decl_tree_pointers): Do
not stream TREE_CHAIN.
(write_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
using streamer_write_chain.
* tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
Do not stream TREE_CHAIN.
(lto_input_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
using streamer_read_chain.
* gimple-streamer-in.c (input_gimple_stmt): Skip non-FIELD_DECLs.
* gimple.c (gimple_canonical_types_compatible_p): Properly
handle trailing non-FIELD_DECLs in TYPE_FIELDS.
Jason Merrill [Mon, 19 Dec 2011 05:57:52 +0000 (00:57 -0500)]
re PR c++/51489 (constexpr not working consistently)
PR c++/51489
* semantics.c (cxx_eval_outermost_constant_expr): Check for
conversion from pointer to integer here.
(cxx_eval_constant_expression) [NOP_EXPR]: Not here.
Eric Botcazou [Sun, 18 Dec 2011 14:41:00 +0000 (14:41 +0000)]
decl.c (gnat_to_gnu_param): Add comment about double reference and DECL_POINTS_TO_READONLY_P.
* gcc-interface/decl.c (gnat_to_gnu_param): Add comment about double
reference and DECL_POINTS_TO_READONLY_P.
* gcc-interface/trans.c (Identifier_to_gnu) <by_ref>: Always set the
TREE_READONLY flag on the first dereference of a double dereference.
Tom de Vries [Sat, 17 Dec 2011 11:39:43 +0000 (11:39 +0000)]
re PR tree-optimization/51491 (ccp when converting from alloca should add a CLOBBER to right before __builtin_stack_restore)
2011-12-17 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51491
* tree-ssa-ccp.c (insert_clobber_before_stack_restore)
(gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
(ccp_fold_stmt): Use insert_clobbers_for_var after a successful
fold_builtin_alloca_with_align.
(ccp_visit_stmt): Calculate and free dominator info.
Eric Botcazou [Fri, 16 Dec 2011 23:37:48 +0000 (23:37 +0000)]
sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
* config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
(frame_blockage): New expander.
(frame_blockage<P:mode>): New instruction.
* config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
instructions establishing the frame isn't atomic, emit frame blockage.
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