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Re: [PATCH 13/13] AArch64: Cleanup fenv implementation
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Wilco Dijkstra <wdijkstr at arm dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Thu, 18 Dec 2014 16:29:05 +0000
- Subject: Re: [PATCH 13/13] AArch64: Cleanup fenv implementation
- Authentication-results: sourceware.org; auth=none
- References: <001701cfeee7$e1d0fe60$a572fb20$ at com>
On 23 October 2014 at 18:36, Wilco Dijkstra <wdijkstr@arm.com> wrote:
> Improve feenableexcept performance - avoid an unnecessary FPCR read in case
> the FPCR does not change. Also improve the logic of the return value.
>
> ChangeLog:
> 2014-10-23 Wilco Dijkstra <wdijkstr@arm.com>
>
> * sysdeps/aarch64/fpu/feenablxcpt.c (feenableexcept):
> Optimize to avoid an unnecessary FPCR read.
OK /M