_mm_cmpngt_sd
Classification
Header File
Instruction
CMPSD xmm, xmm, imm8
Synopsis
_mm_cmpngt_sd(__m128d a, __m128d b);
Description
Compare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-greater-than, 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]