llvm-project/libclc/r600/lib/math/native_rsqrt.cl
Jan Vesely 85e2fa44c6 libclc/r600: Use target specific builtins to implement rsqrt and native_rsqrt
Fixes OCL CTS rsqrt and half_rsqrt (1 thread, scalaer) tests on AMD Turks.

Reviewer: awatry
Differential Revision: https://reviews.llvm.org/D74016
2020-02-09 14:42:15 -05:00

11 lines
242 B
Common Lisp

#include <clc/clc.h>
#include "../../../generic/lib/clcmacro.h"
_CLC_OVERLOAD _CLC_DEF float native_rsqrt(float x)
{
return __builtin_r600_recipsqrt_ieeef(x);
}
_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, native_rsqrt, float);