_mm_max_sd
Classification
SSE_ALL, Special Math Functions, CPUID Test: SSE2
Header File
Instruction
MAXSD xmm, xmm
Synopsis
_mm_max_sd(__m128d a, __m128d b);
Description
Compare the lower double-precision (64-bit) floating-point elements in "a" and "b", store the maximum value in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst". [max_float_note]
Operation
dst[63:0] := MAX(a[63:0], b[63:0])
dst[127:64] := a[127:64]