_mm_cmpeq_sd
Classification
SSE_ALL, Compare, CPUID Test: SSE2
Header File
emmintrin.h
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]