_mm_comineq_sd
Classification
SSE_ALL, Compare, CPUID Test: SSE2
Header File
emmintrin.h
Instruction
COMISD xmm, xmm
Synopsis
 _mm_comineq_sd(__m128d a, __m128d b);
Description
Compare the lower double-precision (64-bit) floating-point element in "a" and "b" for not-equal, and return the boolean result (0 or 1).
Operation
RETURN ( a[63:0] == NaN OR b[63:0] == NaN OR a[63:0] != b[63:0] ) ? 1 : 0