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| From: | Richard Henderson |
| Subject: | Re: [Qemu-ppc] [Qemu-devel] [PATCH 5/6] target-ppc: support for 32-bit carry and overflow |
| Date: | Sat, 18 Feb 2017 06:33:22 +1100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 02/17/2017 03:47 PM, Nikunj A Dadhania wrote:
Why do you want to extract these bits?Convinient to copy that to XER later.
Ideally you make the most common operation cheapest, and the more rare operation more expensive. That said, I suppose even using ADDO is rare in the first place. So it probably doesn't much matter.
r~
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