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00000401
2014 Feb 28
2
Tesla shader ISA question
Hello,
I've recently run into an unknown bit in Tesla shaders, and was hoping
you could shed some light on it. I believe they're related to clamping
of some sort. Here are 2 examples (from diff shaders):
a0000401 cc054780 cvt rpi f32 $r0 f32 $r2 [unknown: 00000000 00010000]
a000060d 8c014780 cvt rni s32 $r3 f32 $r3 [unknown: 00000000 00010000]
[This is intel-style syntax, cvt = convert/move, rni/rpi = rounding
mode stuff, hope that clears up the syntax...]
The destination register tends to go to a...
2014 Apr 09
0
Tesla shader ISA question
...b 27, 2014 at 11:37:40PM -0800, Ilia Mirkin wrote:
> Hello,
>
> I've recently run into an unknown bit in Tesla shaders, and was hoping
> you could shed some light on it. I believe they're related to clamping
> of some sort. Here are 2 examples (from diff shaders):
>
> a0000401 cc054780 cvt rpi f32 $r0 f32 $r2 [unknown: 00000000 00010000]
> a000060d 8c014780 cvt rni s32 $r3 f32 $r3 [unknown: 00000000 00010000]
>
> [This is intel-style syntax, cvt = convert/move, rni/rpi = rounding
> mode stuff, hope that clears up the syntax...]
>
> The destina...