_mm_ucomieq_sd
Classification
SSE_ALL, Compare, CPUID Test: SSE2
Header File
emmintrin.h
Instruction
UCOMISD xmm, xmm
Synopsis
 _mm_ucomieq_sd(__m128d a, __m128d b);
Description
Compare the lower double-precision (64-bit) floating-point element in "a" and "b" for equality, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
Operation
RETURN ( a[63:0] != NaN AND b[63:0] != NaN AND a[63:0] == b[63:0] ) ? 1 : 0