_mm_ucomineq_ss
Classification
Header File
Instruction
UCOMISS xmm, xmm
Synopsis
_mm_ucomineq_ss(__m128 a, __m128 b);
Description
Compare the lower single-precision (32-bit) floating-point element in "a" and "b" for not-equal, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
Operation
RETURN ( a[31:0] == NaN OR b[31:0] == NaN OR a[31:0] != b[31:0] ) ? 1 : 0