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Re: [PATCH v2] Aarch64: Add simd exp/expf functions
- From: Florian Weimer <fweimer at redhat dot com>
- To: Szabolcs Nagy <Szabolcs dot Nagy at arm dot com>
- Cc: Steve Ellcey <sellcey at marvell dot com>, "libc-alpha\@sourceware.org" <libc-alpha at sourceware dot org>, nd <nd at arm dot com>
- Date: Fri, 21 Jun 2019 12:53:13 +0200
- Subject: Re: [PATCH v2] Aarch64: Add simd exp/expf functions
- References: <bd1b565d471b5549f332a53cf450c91e38634d5a.camel@marvell.com> <06801b7f-070f-c6fd-19e3-8121aa253e1f@arm.com> <be47008e-8b94-6eba-da7d-0edfe9ad7c11@arm.com>
* Szabolcs Nagy:
> On 23/05/2019 11:53, Szabolcs Nagy wrote:
>> (1) it is not obvious that we can enable libmvec in glibc
>> without a toolchain that follows the new ELF abi.
>
> i was thinking about this and i believe we can add
> libmvec abi without toolchain support (e.g. dummy
> asm implementation that falls back to scalar code).
To be clear, it's not a dummy implementation, but one with assembler
trampolines which adjust the calling convention?
So it will be fully functional, just rather slow?
Thanks,
Florian