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Re: C++ PATCH for c++/44282 (ia32 calling convention attributes and mangling)
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Cc: Jason Merrill <jason at redhat dot com>
- Date: Tue, 2 Jun 2015 13:03:39 +0200
- Subject: Re: C++ PATCH for c++/44282 (ia32 calling convention attributes and mangling)
- Authentication-results: sourceware.org; auth=none
- References: <CAFULd4Zy_O08redLf3mmcFF2ZHFVn1+ej4zVkZBfbkG-+1v+tA at mail dot gmail dot com>
On Tue, Jun 2, 2015 at 9:26 AM, Uros Bizjak <ubizjak@gmail.com> wrote:
> Hello!
>
>> PR c++/44282
>> gcc/cp/
>> * mangle.c (attr_strcmp): New.
>> (write_CV_qualifiers_for_type): Also write out attributes that
>> affect type identity.
>> (write_type): Strip all attributes after writing qualifiers.
>> libiberty/
>> * cp-demangle.c (cplus_demangle_type): Handle arguments to vendor
>> extended qualifier.
>
> +++ b/gcc/testsuite/g++.dg/abi/mangle-regparm.C
> @@ -0,0 +1,29 @@
> +// { dg-do run { target i?86-*-* } }
>
> This should read:
>
> +// { dg-do run { target { { i?86-*-* x86_64-*-* } && ia32 } } }
>
> The test wasn't actually run on x86_64-linux target. I'll commit the
> following patch after regtest:
Unfortunately, something is wrong with the testcase itself:
FAIL: g++.dg/abi/mangle-regparm.C -std=c++98 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C -std=c++98 compilation failed to
produce executable
FAIL: g++.dg/abi/mangle-regparm.C -std=c++11 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C -std=c++11 compilation failed to
produce executable
FAIL: g++.dg/abi/mangle-regparm.C -std=c++14 (test for excess errors)
WARNING: g++.dg/abi/mangle-regparm.C -std=c++14 compilation failed to
produce executable
with the following error:
FAIL: g++.dg/abi/mangle-regparm.C -std=c++98 (test for excess errors)
Excess errors:
/usr/bin/ld: /tmp/ccU8LttY.o: bad reloc symbol index (0x5b550 >= 0x12)
for offset 0x6c in section `.text'
/tmp/ccU8LttY.o: could not read symbols: Bad value
WARNING: g++.dg/abi/mangle-regparm.C -std=c++98 compilation failed to
produce executable
g++.dg/abi/mangle-regparm.C -std=c++98 : output file does not exist
UNRESOLVED: g++.dg/abi/mangle-regparm.C -std=c++98 scan-assembler
_Z18IndirectExternCallIPU7stdcallU7regparmILi3EEFviiEiEvT_T0_S3_
Uros.