On Fri, Jul 18, 2014 at 12:35:24PM -0400, Alex Deucher wrote:
On Fri, Jul 18, 2014 at 3:54 AM, Glenn Kennard glenn.kenn...@gmail.com
wrote:
Piglit quick tests including sqrt pass, no other regressions,
tested on radeon 6670.
---
Should be slightly more precise than the invsqrt/recip/mul
Piglit quick tests including sqrt pass, no other regressions,
tested on radeon 6670.
---
Should be slightly more precise than the invsqrt/recip/mul combination
used previously, I reckon up to about 2 bits of mantissa, and saves
two instructions per sqrt emitted.
It would be good if someone could
On Fri, Jul 18, 2014 at 3:54 AM, Glenn Kennard glenn.kenn...@gmail.com wrote:
Piglit quick tests including sqrt pass, no other regressions,
tested on radeon 6670.
---
Should be slightly more precise than the invsqrt/recip/mul combination
used previously, I reckon up to about 2 bits of