__lsx_vfrsqrte_s
LSX intrinsic · group: Floating Point Computation
Synopsis
__m128 __lsx_vfrsqrte_s (__m128 a)
#include <lsxintrin.h>
Instruction: vfrsqrte.s vr, vr
CPU Flags: LSX
Description
Compute estimated reciprocal of square root of single precision floating point elements in a.
Operation
for (int i = 0; i < 4; i++) {
dst.fp32[i] = 1.0 / sqrt(a.fp32[i]); // estimated
}