2020-06-09 Bob Duff <duff@adacore.com>
gcc/ada/
* bindo-graphs.adb (Add_Edge_Kind_Check): Add the Image of the
old and new Kinds to the raise Program_Error message.
2020-06-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_ch12.adb (Check_Shared_Variable_Control_Aspects): Require
exact match between formal and actual for aspects Atomic,
Atomic_Component, Volatile, and Volatile_Components.
2020-06-09 Bob Duff <duff@adacore.com>
gcc/ada/
* doc/gnat_ugn/gnat_utility_programs.rst: Add documentation for
the --no-separate-return switch of gnatpp.
2020-06-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_ch9.adb (Build_Master_Renaming): Make name in renaming
declaration unique by adding a numeric suffix, to prevent
accidental name conflict when several instantiations of a
package containing an access_to_incomplete type that designate
tasks appear in the same scope.
contrib/ChangeLog:
* gcc-changelog/git_commit.py: Fix ChangeLog regex in order to
match the top-level ChangeLog.
* gcc-changelog/test_email.py: Add test.
* gcc-changelog/test_patches.txt: Likewise.
The C FE in the MEM_REF printing ICEs if the type of the first argument
(which due to useless pointer conversions can be an arbitrary type) is a
pointer to an incomplete type. The code just wants to avoid printing a cast
if it is a pointer to single byte elements.
2020-06-09 Jakub Jelinek <jakub@redhat.com>
PR c/95580
* c-pretty-print.c (c_pretty_printer::unary_expression): Handle the
case when MEM_REF's first argument has type pointer to incomplete type.
* gcc.dg/pr95580.c: New test.
The following patch implements various optimizations of __builtin_ffs*
against constants.
2020-06-09 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/95527
* match.pd (__builtin_ffs (X) cmp CST): New optimizations.
* gcc.dg/tree-ssa/pr95527.c: New test.
Rewrite uw_install_context without function calls to avoid register
spilling in _Unwind_RaiseException during return context installation.
2020-06-08 Max Filippov <jcmvbkbc@gmail.com>
gcc/testsuite/
* g++.target/xtensa/pr95571.C: New test.
* g++.target/xtensa/xtensa.exp: New testsuite.
libgcc/
* config/xtensa/unwind-dw2-xtensa.c (uw_install_context): Merge
with uw_install_context_1.
Some testcases failed (esp. with --with-cpu=power9) after my change to
prefer xxperm over vperm when all else is equal. Fix that. (This also
tightens the relevant REs somewhat).
2020-06-09 Segher Boessenkool <segher@kernel.crashing.org>
gcc/testsuite/
* gcc.target/powerpc/fold-vec-perm-char.c: Allow both vperm/vpermr and
xxperm/xxpermr.
* gcc.target/powerpc/fold-vec-perm-double.c: Ditto.
* gcc.target/powerpc/fold-vec-perm-float.c: Ditto.
* gcc.target/powerpc/fold-vec-perm-int.c: Ditto.
* gcc.target/powerpc/fold-vec-perm-longlong.c: Ditto.
* gcc.target/powerpc/fold-vec-perm-pixel.c: Ditto.
* gcc.target/powerpc/fold-vec-perm-short.c: Ditto.
* gcc.target/powerpc/lvsl-lvsr.c: Ditto.
* gcc.target/powerpc/vec-mult-char-2.c: Ditto.
* gcc.target/powerpc/vsx-vector-6.p9.c: Also allow xxpermr.
Previously I had AX_CXX_COMPILE_STDCXX in the gcc directory configure, which
added -std=c++11 to CXX if needed, but then CXX is overridden from the
toplevel directory, so it didn't have the desired effect. Fixed by moving
the check to the toplevel. Currently it is only used when building GCC
without bootstrapping; other packages that share the toplevel directory
can adjust the condition if they also want to require C++11 support.
/ChangeLog:
* configure.ac: Check AX_CXX_COMPILE_STDCXX if not bootstrapping.
* configure: Regenerate.
gcc/ChangeLog:
* aclocal.m4: Remove ax_cxx_compile_stdcxx.m4.
* configure.ac: Remove AX_CXX_COMPILE_STDCXX.
* configure: Regenerate.
These started failing with the previous commit, because I forgot to add
the tests after adjusting them.
* testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error
line number.
* testsuite/20_util/default_delete/void_neg.cc: Likewise.
Change testcase to check error message (iomsg) at runtime, rather than to crash.
libgfortran/
PR fortran/95091
* io/transfer.c (finalize_transfer): Fix type in error message.
gcc/testsuite/
PR fortran/95195
* gfortran.dg/namelist_97.f90: Adjust testcase.
This issue has been fixed by PR94090. Add test case to ensure that
this does not re-occur.
2020-06-08 Mark Eggleston <markeggleston@gcc.gnu.org>
gcc/testsuite/
PR fortran/92993
* gfortran.dg/pr92993.f90: New test.
As mentioned in the PR, the problem is that at least the x86 backend asumes
that the vec_unpack* and vec_pack* optabs with integral modes are for the
AVX512-ish vector masks rather than for very small vectors done in GPRs.
The only other target that seems to have a scalar mode vec_{,un}pack* optab
is aarch64 as discussed in the PR, so there is also a condition for that.
All other targets have just vector mode optabs.
2020-06-08 Jakub Jelinek <jakub@redhat.com>
PR target/95528
* tree-ssa-forwprop.c (simplify_vector_constructor): Don't use
VEC_UNPACK*_EXPR or VEC_PACK_TRUNC_EXPR with scalar modes unless the
type is vector boolean.
* g++.dg/opt/pr95528.C: New test.
2020-06-08 Jakub Jelinek <jakub@redhat.com>
PR lto/95548
* g++.dg/torture/pr95548.C: Change from dg-do compile to dg-do link,
add return type for main, for __SIZEOF_INT128__ test with __uint128_t
enumerator constants and add a test with unsigned long long
enumerators for all targets.
This expands the comment on an assert we have in aarch64_layout_frame
and points to an existing comment somewhere else that has a much longer
explanation of what's going on.
Committed under the GCC Obvious rule.
gcc/ChangeLog:
* config/aarch64/aarch64.c (aarch64_layout_frame): Expand comments.
While looking at PR target/94743 I noticed an ICE when I tried to save
all the FP registers: this was because all HI registers wouldn't match
vfp_register_operand.
gcc/ChangeLog:
* config/arm/predicates.md (vfp_register_operand): Use VFP_HI_REGS
instead of VFP_REGS.
After the recent commit that forces uses of c++11, the arm part failed
to build because it does not include <algorithm> via system.h as
should be done.
This results in:
from /gcc/common/config/arm/arm-common.c:34:
/usr/lib/gcc/x86_64-linux-gnu/5/include/mm_malloc.h:42:12: error:
attempt to use poisoned "malloc"
return malloc (size);
This patch fixes the problem by defining INCLUDE_ALGORITHM before
including system.h and no longer includes <algorithm> directly.
gcc/ChangeLog:
* common/config/arm/arm-common.c (INCLUDE_ALGORITHM):
Define. No longer include <algorithm>.
2020-06-08 Steve Baird <baird@adacore.com>
gcc/ada/
* sem_prag.adb (Analyze_Pragma.Set_Ravenscar_Profile): Add
appropriate call to Set_Restriction_No_Dependence if Ada_Version
>= Ada2012 and Profile is either Ravenscar or a GNAT-defined
Ravenscar variant (i.e., not Jorvik).
2020-06-08 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* sem_ch5.adb: Fix typo.
* sem_ch8.adb (Analyze_Renamed_Primitive_Operation): Check that
the prefix of a prefixed view must be renamable as an object.
2020-06-08 Justin Squirek <squirek@adacore.com>
gcc/ada/
* sem_ch4.adb (Analyze_One_Call): Add extra condition to the
predicate for deciding when a given controlled call is visible.
2020-06-08 Steve Baird <baird@adacore.com>
gcc/ada/
* libgnat/s-rident.ads: Add Jorvik to the Profile_Name
enumeration type. Add an element for Jorvik to the array
aggregate that is the initial value of the constant
Profile_Info.
* targparm.adb (Get_Target_Parameters): Handle "pragma Profile
(Jorvik);" similarly to "pragma Profile (Ravenscar);".
* snames.ads-tmpl: Declare Name_Jorvik Name_Id. Unlike
Ravenscar, Jorvik is not a pragma name and has no corresponding
element in the Pragma_Id enumeration type; this means that its
declaration must not occur between those of First_Pragma_Name
and Last_Pragma_Name.
* sem_prag.adb (Analyze_Pragma): Add call to
Set_Ravenscar_Profile for Jorvik, similar to the existing calls
for Ravenscar and the GNAT Ravenscar variants.
2020-06-08 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* sem_ch8.adb (Analyze_Object_Renaming): Update Get_Object_Name
to go through N_Qualified_Expression and N_Type_Conversion. Fix
another case of wrong usage of E_Anonymous_Access_Type instead
of Anonymous_Access_Kind.
* sem_util.adb (Is_Dependent_Component_Of_Mutable_Object): Work
on the original node.
(Is_Aliased_View): Take into account N_Qualified_Expression.
2020-06-08 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* sem_eval.adb (Eval_Type_Conversion): Fix handling of
enumeration to integer conversions.
* exp_attr.adb (Expand_N_Attribute_Reference
[Attribute_Enum_Rep]): Remove special casing for first-level
renaming, best left to the general folding mechanism via
Eval_Type_Conversion.
2020-06-08 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* atree.adb (New_Copy): Do not clear Has_Dynamic_Range_Check.
* checks.ads (Append_Range_Checks): Remove Flag_Node parameter.
(Insert_Range_Checks): Likewise and remove default value of
Static_Loc parameter.
* checks.adb (Append_Range_Checks): Remove Flag_Node parameter.
Do not test and set Has_Dynamic_Range_Check.
(Insert_Range_Checks): Likewise and remove default value of
Static_Loc parameter.
* csinfo.adb (CSinfo): Remove 'L' from [NEUB]_Fields pattern and
do not handle Has_Dynamic_Range_Check.
* exp_ch5.adb (Expand_N_Assignment_Statement): Remove argument
in call to Insert_Range_Checks.
* sem_ch3.adb (Analyze_Subtype_Declaration): Do not fiddle
with Has_Dynamic_Range_Check.
(Process_Range_Expr_In_Decl): Remove argument in calls to
Insert_Range_Checks and Append_Range_Checks.
* sinfo.ads (Has_Dynamic_Range_Check): Delete.
(Set_Has_Dynamic_Range_Check): Likewise.
* sinfo.adb (Has_Dynamic_Range_Check): Delete.
(Set_Has_Dynamic_Range_Check): Likewise.
* treepr.adb (Print_Node): Do not print Has_Dynamic_Range_Check.
2020-06-08 Steve Baird <baird@adacore.com>
gcc/ada/
* sem_ch13.ads: Export new function
All_Membership_Choices_Static.
* sem_ch13.adb: Implement new function
All_Membership_Choices_Static. This involves moving the
functions Is_Static_Choice and All_Membership_Choices_Static,
which were previously declared within the function
Is_Predicate_Static, out to library level so that they can be
called by the new function. The already-exisiting code in
Is_Predicate_Static which became the body of
All_Membership_Choices_Static is replaced with a call to the new
function in order to avoid duplication.
* exp_ch9.adb (Is_Pure_Barrier): Several changes needed to
implement rules of AI12-0290 and RM D.7's definition of
"pure-barrier-eligible". These changes include adding a call to
the new function Sem_13.All_Membership_Choices_Static, as per
the "see 4.9" in RM D.7(1.6/5).
2020-06-08 Richard Kenner <kenner@adacore.com>
gcc/ada/
* exp_unst.adb (Visit_Node): When visiting array attribute
nodes, in addition to checking the type of Get_Referenced_Object
of the prefix, also check the actual type of the prefix.
2020-06-08 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* checks.adb (Apply_Predicate_Check): Refine test for being in a
subprogram body to account for no Corresponding_Body case,
avoiding blowups arising due to other changes here.
* exp_ch4.adb (Expand_N_Qualified_Expression): Apply predicate
checks, if any, after constraint checks are applied.
* sem_eval.ads (Check_Expression_Against_Static_Predicate): Add
Check_Failure_Is_Error formal for conditionalizing warning vs.
error messages.
* sem_eval.adb (Check_Expression_Against_Static_Predicate):
Issue an error message rather than a warning when the new
Check_Failure_Is_Error formal is True. In the nonstatic or
Dynamic_Predicate case where the predicate is known to fail,
emit the check to ensure that folded cases get checks applied.
* sem_res.adb (Resolve_Qualified_Expression): Call
Check_Expression_Against_Static_Predicate, passing True for
Check_Failure_Is_Error, to ensure we reject static predicate
violations. Remove code that was conditionally calling
Apply_Predicate_Check, which is no longer needed, and that check
procedure shouldn't be called from a resolution routine in any
case. Also remove associated comment about preventing infinite
recursion and consistency with Resolve_Type_Conversion, since
that handling was already similarly removed from
Resolve_Type_Convesion at some point.
(Resolve_Type_Conversion): Add passing of True for
Check_Failure_Is_Error parameter on call to
Check_Expression_Against_Static_Predicate, to ensure that static
conversion cases that violate a predicate are rejected as
errors.
