|
From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH 10/11] target-arm: Implement fccmp branchless |
Date: | Fri, 20 Feb 2015 07:53:34 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 02/20/2015 05:57 AM, Laurent Desnogues wrote: > The problem with this approach is that you'll always call the FP > compare which might result in FP flags corruption. > > The ARMv8 manual clearly states that the FP compare should only be > called if the condition holds. Ah, I hadn't considered that. Consider this patch dropped. Thanks, r~
[Prev in Thread] | Current Thread | [Next in Thread] |