_mm_cmpeq_sd
Classification
Header File
Instruction
CMPSD xmm, xmm, imm8
Synopsis
_mm_cmpeq_sd(__m128d a, __m128d b);
Description
Compare the lower double-precision (64-bit) floating-point elements in "a" and "b" for equality, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
Operation
dst[63:0] := (a[63:0] == b[63:0]) ? 0xFFFFFFFFFFFFFFFF : 0
dst[127:64] := a[127:64]