2015-10-23 Bob Duff <duff@adacore.com>
* exp_ch6.adb (Expand_N_Extended_Return_Statement): Do not call
SS_Release for a block statement enclosing the return statement in the
case where a build-in-place function return is returning
the result on the secondary stack. This is accomplished by
setting the Sec_Stack_Needed_For_Return flag on such blocks.
It was already being set for the function itself, and it was
already set correctly for blocks in the non-build-in-place case
(in Expand_Simple_Function_Return).
(Set_Enclosing_Sec_Stack_Return): New procedure to perform
the Set_Sec_Stack_Needed_For_Return calls. Called in the
build-in-place and non-build-in-place cases.
(Expand_Simple_Function_Return): Call
Set_Enclosing_Sec_Stack_Return instead of performing the loop
in line.
2015-10-23 Bob Duff <duff@adacore.com>
* scng.adb (Char_Literal_Case): If an apostrophe
follows a reserved word, treat it as a lone apostrophe, rather
than the start of a character literal. This was already done for
"all", but it needs to be done also for (e.g.) "Delta".
From-SVN: r229226
2015-10-23 Bob Duff <duff@adacore.com>
* exp_strm.adb (Build_Record_Or_Elementary_Input_Function): Use
Underlying_Type for B_Typ, in case the Typ is a subtype of a type with
unknown discriminants.
* g-awk.ads: Minor style fix in comment
2015-10-23 Hristian Kirtchev <kirtchev@adacore.com>
* debug.adb: Document the use of debug switch -gnatd.5.
* einfo.adb: Code reformatting. (Is_Ghost_Entity): Moved from ghost.adb.
* einfo.ads New synthesized attribute Is_Ghost_Enity along
with usage in nodes and pragma Inline.
(Is_Ghost_Entity: Moved from ghost.ads.
* exp_ch3.adb Code reformatting.
(Expand_Freeze_Array_Type): Capture, set and restore the Ghost mode.
(Expand_Freeze_Class_Wide_Type): Capture, set and restore the
Ghost mode.
(Expand_Freeze_Enumeration_Type): Capture, set and
restore the Ghost mode.
(Expand_Freeze_Record_Type): Capture, set and restore the Ghost mode.
* exp_ch6.adb (Expand_Subprogram_Contract): Do not expand the
contract of an ignored Ghost subprogram.
* exp_ch13.adb Add with and use clauses for Ghost.
(Expand_N_Freeze_Entity): Capture, set and restore the Ghost mode.
* exp_dbug.adb (Get_External_Name): Code reformatting. Add a
special prefix for ignored Ghost entities or when requested by
-gnatd.5 for any Ghost entity.
* exp_dbug.ads Document the use of prefix "_ghost_" for ignored
Ghost entities.
* exp_prag.adb (Expand_Pragma_Check): Capture, set and restore the
Ghost mode.
(Expand_Pragma_Loop_Variant): Use In_Assertion_Expr
to signal the original context.
* ghost.adb (Check_Ghost_Overriding): Code cleanup.
(Is_Ghost_Entity): Moved to einfo.adb. (Is_OK_Declaration):
Move the assertion expression check to the outer level.
(Is_OK_Ghost_Context): An assertion expression is a valid Ghost
context.
* ghost.ads (Is_Ghost_Entity): Moved to einfo.ads.
* sem_ch3.adb (Analyze_Object_Contract): A source Ghost object
cannot be imported or exported. Mark internally generated objects
as Ghost when applicable.
(Make_Class_Wide_Type): Inherit the ghostness of the root tagged type.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Mark
a stand alone subprogram body as Ghost when applicable.
(Analyze_Subprogram_Declaration): Mark internally generated
subprograms as Ghost when applicable.
* sem_ch7.adb: Code cleanup.
* sem_ch13.adb (Add_Invariants): Add various formal
parameters to break dependency on global variables.
(Build_Invariant_Procedure): Code cleanup. Capture, set and
restore the Ghost mode.
* sem_res.adb (Resolve_Actuals): The actual parameter of a source
Ghost subprogram whose formal is of mode IN OUT or OUT must be
a Ghost variable.
2015-10-23 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch8.adb Code cleanup.
(Find_Expanded_Name): Replace
the call to In_Pragmas_Depends_Or_Global with a call to
In_Abstract_View_Pragma.
(In_Abstract_View_Pragma): New routine.
(In_Pragmas_Depends_Or_Global): Removed.
* sem_prag.adb (Analyze_Part_Of): Catch a case where indicator
Part_Of denotes the abstract view of a variable.
From-SVN: r229224
2015-10-23 Arnaud Charlet <charlet@adacore.com>
* sem_util.ads (Unique_Defining_Entity): Document the result
for tasks and entries.
* sem_util.adb (Unique_Entity): Return declaration entity for task and
entry bodies
From-SVN: r229222
This moves the fold rules for trunc, floor, ceil, round, nearbyint and
rint in one go, since they're tested as a group. Most of the code is
supporting the f(x)->x fold when x is known to be integer-valued.
Like with the non-negative test, this is probably more elegantly handled
by tracking range information for reals, but until that happens, I think
we should handle it analogously to tree_expr_nonnegative_p.
I've incorporated the fix for PR68031 in the new version of
integer_valued_real_p. However, it seemed confusing to test for an
SSA name at the head of the function rather than the case statement,
and not fall through to tree_simple_nonnegative_warnv_p (which
conceptually shouldn't care whether an update is in progress).
But tree_simple_nonnegative_warnv_p is a no-op for SSA names,
so I simply changed it to:
return (!name_registered_for_update_p (t)
&& depth < PARAM_VALUE (PARAM_MAX_SSA_NAME_QUERY_DEPTH)
&& gimple_stmt_nonnegative_warnv_p (SSA_NAME_DEF_STMT (t),
strict_overflow_p, depth));
and used that in the new code too.
Doing these folds later meant that IPA would start to use information
about the aborting sinf and floor in 20030125-1.c before the folds
kicked in. I changed them from noinline to weak to stop that.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (integer_valued_real_p): Move to fold-const.c.
(fold_trunc_transparent_mathfn, fold_builtin_trunc, fold_builtin_floor)
(fold_builtin_ceil, fold_builtin_round): Delete.
(fold_builtin_1): Handle constant trunc, floor, ceil and round
arguments here.
* convert.c (convert_to_real): Remove narrowing of rounding
functions.
* fold-const.h (integer_valued_real_unary_p)
(integer_valued_real_binary_p, integer_valued_real_call_p)
(integer_valued_real_single_p, integer_valued_real_p): Declare.
* fold-const.c (tree_single_nonnegative_warnv_p): Move
name_registered_for_update_p check to SSA_NAME case statement.
Don't call tree_simple_nonnegative_warnv_p for SSA names.
(integer_valued_real_unary_p, integer_valued_real_binary_p)
(integer_valued_real_call_p, integer_valued_real_single_p)
(integer_valued_real_invalid_p): New functions.
(integer_valued_real_p): Move from fold-const.c and rework
to call the functions above. Handle SSA names.
* gimple-fold.h (gimple_stmt_integer_valued_real_p): Declare.
* gimple-fold.c (gimple_assign_integer_valued_real_p)
(gimple_call_integer_valued_real_p, gimple_phi_integer_valued_real_p)
(gimple_stmt_integer_valued_real_p): New functions.
* match.pd: Fold f(f(x))->f(x) for fp->fp rounding functions f.
Fold f(x)->x for the same f if x is known to be integer-valued.
Fold f(extend(x))->extend(f'(x)) if doing so doesn't affect
the result. Canonicalize floor(x) as trunc(x) if x is
nonnegative.
gcc/testsuite/
* gcc.c-torture/execute/20030125-1.c (floor, floorf, sin, sinf):
Make weak rather than noinline.
* gcc.dg/builtins-57.c: Compile with -O.
* gcc.dg/torture/builtin-integral-1.c: Skip for -O0.
From-SVN: r229221
2015-10-23 Tom de Vries <tom@codesourcery.com>
* tree-ssa-structalias.c (create_variable_info_for_1): Add missing
setting of is_full_var in case of a single field.
From-SVN: r229218
gcc/ChangeLog:
2015-10-22 Martin Sebor <msebor@redhat.com>
PR driver/68043
* config/i386/i386.opt: Add missing periods to the ends of sentences.
* config/msp430/msp430.opt: Same.
gcc/testsuite/ChangeLog:
2015-10-22 Martin Sebor <msebor@redhat.com>
PR driver/68043
* gcc.misc-tests/help.exp: Verify that option descriptions
end in periods.
* lib/options.exp (check_for_options): Use the regexp --line option.
Print unexpected match on failure.
From-SVN: r229205
[PATCH] Fix abort in write_eligible_delay
* genattrtab.c (main): If we do not have any annul-true or annul-false
slots, then write out a dummy eligible_for_annul_true or
eligible_for_annul_false as needed.
From-SVN: r229184
* config/msp430/msp430.opt: Add -msilicon-errata and
-msilicon-errata-warn.
* config/msp430/msp430.h (ASM_SPEC): Pass new options on to
assembler.
* doc/invoke.texi: Document new options.
From-SVN: r229177
2015-10-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/58497
* tree-vect-generic.c (ssa_uniform_vector_p): New helper.
(expand_vector_operations_1): Use it. Lower operations on
all uniform vectors to scalar operations if the HW supports it.
* gcc.dg/tree-ssa/vector-5.c: New testcase.
From-SVN: r229173
2015-10-22 Richard Biener <rguenther@suse.de>
PR middle-end/68046
PR middle-end/61893
* optabs.c (emit_libcall_block_1): Allow a NULL_RTX equiv.
(expand_binop): For -ftrapv optabs do not record an REG_EQUAL note.
(expand_unop): Likewise.
* gcc.dg/torture/ftrapv-2.c: New testcase.
From-SVN: r229170
libsanitizer/
PR bootstrap/68041
* configure.ac (link_sanitizer_common): Link against librt only if it
contains shm_open, required by sanitizers.
(CXX_ABI_NEEDED): Remove variable.
* configure: Regenerate.
* ubsan/Makefile.am (libubsan_la_LIBADD): Do not add -lc++abi anymore.
* ubsan/Makefile.in: Regenerate.
From-SVN: r229168
Also make build_complex_cproj available globally and use
it for the existing match.pd rules.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_cproj): Delete.
(fold_builtin_1): Handle constant arguments here.
(build_complex_cproj): Move and rename to...
* tree.c: (build_complex_inf): ...this.
* tree.h (build_complex_inf): Declare.
* match.pd: Fold cproj(x)->x if x has no infinity.
Use build_complex_inf for existing cproj rules.
From-SVN: r229164
gcc/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* config/s390/s390.md (mov<mode>cc): Emit compare only if we don't
already have a comparison result.
gcc/testsuite/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* gcc.target/s390/pr68015.c: New test.
From-SVN: r229163
This patch addresses PR-67948 by changing the xor-and.c test,
initially written for a simplify-rtx pattern, to make it pass post
r228661 (see
https://gcc.gnu.org/ml/gcc-patches/2015-10/msg00676.html). This test
no longer triggered the simplify-rtx pattern it was written for prior
to r228661, though other optimizations did lead to the same assembly
the test checked for. The optimization added with r228661 matches the
pattern used in the test and optimizes it to a better and still valid
sequence. Being unable to easily change the test to trigger the
original simplify-rtx pattern, I chose to change it to pass with the
new produced assembly sequence.
This is correct because the transformation is valid and it yields a
more efficient pattern. However, as I pointed out before this test
doesn't test the optimization it originally was intended for.
Tested by running regression tests for armv6.
Is this OK to commit?
Thanks, Andre
2015-10-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR testsuite/67948
* gcc.target/arm/xor-and.c: Adjust test to check for eor
instead of orr.
From-SVN: r229161
Jiong pointed out privately that there was a thinko
in the way in which the global state was being
set and reset. I don't like adding such
global state but ....
2015-10-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/63304
* config/aarch64/aarch64.c (aarch64_nopcrelative_literal_loads): New.
(aarch64_expand_mov_immediate): Use aarch64_nopcrelative_literal_loads.
(aarch64_classify_address): Likewise.
(aarch64_secondary_reload): Likewise.
(aarch64_override_options_after_change_1): Adjust.
* config/aarch64/aarch64.md (aarch64_reload_movcp<GPF_TF:mode><P:mode>):
Use aarch64_nopcrelative_literal_loads.
(aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
* config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
Declare
2015-10-22 Jiong Wang <jiong.wang@arm.com>
Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/63304
* gcc.target/aarch64/pr63304_1.c: New test.
From-SVN: r229160
/cp
2015-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/66781
* parser.c (cp_parser_enum_specifier): Upon error_at set
nested_name_specifier to error_mark_node; improve error message.
/testsuite
2015-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/66781
* g++.dg/parse/enum13.C: New.
/cp
2015-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67847
* parser.c (cp_parser_enum_specifier): Reject a nested_name_specifier
which doesn't name a class or namespace.
/testsuite
2015-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67847
* g++.dg/parse/enum12.C: New.
From-SVN: r229156
2015-10-21 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/67939
* data.c (create_character_initializer): Deal with zero length string.
2015-10-21 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/67939
* gfortran.dg/pr67939.f90: New test.
From-SVN: r229153
When a scalar is defined in function of an array reference in the current scop,
it does variate. Graphite cannot represent the condition in scop-11.c, as a[*]
variates in the current region, and it is not an affine condition:
for (j = 0; j <= 20; j++)
a[j] = b + i;
if (a[12] == 23)
b = 3;
else
b = 1;
for (j = 0; j <= 20; j++)
a[j] = b + i;
* graphite-scop-detection.c (parameter_index_in_region): Update call to
invariant_in_sese_p_rec.
* graphite-sese-to-poly.c (extract_affine): Same.
* sese.c (invariant_in_sese_p_rec): Pass in an extra parameter has_vdefs.
(scalar_evolution_in_region): Return chrec_dont_know when the scalar variable
depends on virtual definitions in the current region.
* sese.h (invariant_in_sese_p_rec): Update declaration.
testsuite/
* gcc.dg/graphite/scop-11.c: Update pattern.
Co-Authored-By: Sebastian Pop <s.pop@samsung.com>
From-SVN: r229151
* graphite-scop-detection.c (build_scops): Do not handle scops with more
than PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP arrays.
* params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP): New.
Co-Authored-By: Sebastian Pop <s.pop@samsung.com>
From-SVN: r229150
PR ipa/67056
* ipa-polymorphic-call.c (possible_placement_new): If cur_offset
is negative we don't know the type.
(check_stmt_for_type_change): Skip constructors of non-polymorphic
types as those won't help devirutalization.
* g++.dg/ipa/pr67056.C: New testcase.
From-SVN: r229148
Hristian Kirtchev
Bob Duff
Richard Biener
Arnaud Charlet
Arnaud Charlet
Richard Sandiford
Paulo Matos
Tom de Vries
Alan Hayward
Maxim Ostapenko
Nick Clifton
Max Ostapenko
Jason Merrill
Jason Merrill
GCC Administrator
Martin Sebor
Uros Bizjak
Martin Sebor
David Wohlferd
Mikhail Maltsev
Jeff Law
Nick Clifton
Paolo Carlini
Uros Bizjak
Andreas Krebbel
Andre Vieira
Ramana Radhakrishnan
Steven G. Kargl
Jonathan Wakely
Aditya Kumar
Jan Hubicka
Eric Botcazou