if 8 ≤ n < 64 bytes BLE CR6, small // <= 8 BLT CR7, xor32 // Case for 32 ≤ n < 64 bytes // Case for n ≥ 64 bytes preloop64: SRD $6, R6, R7 // Set up loop counter MOVD R7, CTR MOVD $16, R10 MOVD $32, R14 MOVD $48, R15 ANDCC $63, R6, R9 // Check for tailing bytes for later PCALIGN $16 // Case for >= 64 bytes // Process 64 bytes per iteration // Load 4 vectors of a and b // XOR the corresponding vectors // from a and b and store the result loop64: LXVD2X (R4)(R8), VS32 LXVD2X (R4)(R10), VS34 LXVD2X (R4)(R14),...