[x264-devel] [PATCH] Add emulation for previously unsupported XOP fma instructions.

[James Almer]

On 22/02/14 7:24 PM, Jason Garrett-Glaser wrote:
> On Sun, Feb 16, 2014 at 12:12 AM, James Almer <jamrial at gmail.com> wrote:
>> Allow non-destructive emulation when the fourth argument
>> is the same as the first by specifying a fifth argument
>> to be used as temporary.
>> ---
>> I'm not replacing FMA_INSTR from x86inc because of SUMSUB2_AB
>> calling pmacs** in lowercase, making it incompatible with
> 
> Is there any chance you can just fix the caller?
> 
> Jason

You mean SUMSUB2_AB? The first argument is a lowercase letter that's used 
for both the XOP and non-XOP instructions. Other than adding an extra 
argument for the same letter in uppercase I'm not sure how to make it work.