This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [RFC PATCH 1/2] Aarch64: Add simd exp/expf ABI symbols
- From: Tulio Magno Quites Machado Filho <tuliom at ascii dot art dot br>
- To: Szabolcs Nagy <Szabolcs dot Nagy at arm dot com>, GNU C Library <libc-alpha at sourceware dot org>, Steve Ellcey <sellcey at marvell dot com>
- Cc: nd <nd at arm dot com>
- Cc:
- Date: Mon, 08 Jul 2019 15:00:32 -0300
- Subject: Re: [RFC PATCH 1/2] Aarch64: Add simd exp/expf ABI symbols
- References: <0ae3af1b-cb2b-367f-8b86-f39971498291@arm.com>
Szabolcs Nagy <Szabolcs.Nagy@arm.com> writes:
> diff --git a/sysdeps/aarch64/fpu/Versions b/sysdeps/aarch64/fpu/Versions
> new file mode 100644
> index 0000000000..da36f3c495
> --- /dev/null
> +++ b/sysdeps/aarch64/fpu/Versions
> @@ -0,0 +1,5 @@
> +libmvec {
> + GLIBC_2.30 {
> + _ZGVnN2v_exp; _ZGVnN4v_expf;
The prefix _ZGV is reserved for guard variables in the C++ ABI [1] [2].
How do you plan to avoid a conflict there?
[1] https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/cp/mangle.c;#l4242
[2] https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/testsuite/g%2B%2B.dg/abi/aarch64_guard1.C
--
Tulio Magno