__lasx_xvfrsqrte_d
LASX intrinsic · group: Floating Point Computation
Synopsis
__m256d __lasx_xvfrsqrte_d (__m256d a)
#include <lasxintrin.h>
Instruction: xvfrsqrte.d xr, xr
CPU Flags: LASX
Description
Compute estimated reciprocal of square root of double precision floating point elements in a.
Operation
for (int i = 0; i < 4; i++) {
dst.fp64[i] = 1.0 / sqrt(a.fp64[i]); // estimated
}