__lsx_vfrsqrte_d
LSX intrinsic · group: Floating Point Computation
Synopsis
__m128d __lsx_vfrsqrte_d (__m128d a)
#include <lsxintrin.h>
Instruction: vfrsqrte.d vr, vr
CPU Flags: LSX
Description
Compute estimated reciprocal of square root of double precision floating point elements in a.
Operation
for (int i = 0; i < 2; i++) {
dst.fp64[i] = 1.0 / sqrt(a.fp64[i]); // estimated
}