NASM 2.05 based x86 Instruction Reference[ch363]

A.5.337 XORPS: Bitwise Logical XOR of Single-Precision FP Values XORPS xmm1,xmm2/m128 ; 0F 57 /r [KATMAI,SSE] XORPS returns a bit-wise logical XOR between the source and destination operands, storing the result in the destination operand.