test SCB_RESIDUAL_DATACNT[3], SG_LAST_SEG jz dma_mid_sg;
if ((ahc->flags & AHC_TARGETROLE) != 0) {
test SSTAT0, TARGET jz dma_last_sg;
test SCB_RESIDUAL_DATACNT[3], SG_LAST_SEG jz dma_mid_sg;
if ((ahc->flags & AHC_TARGETROLE) != 0) {
test SSTAT0, TARGET jz dma_last_sg;