ref: b51e1c7c2c4ce2769f01e016967d0115893a7a88
dir: /test/asm/shift.out/
1 << 1 = $2 1 << 32 = $0 1 << 9001 = $0 -1 << 1 = $FFFFFFFE -1 << 32 = $0 -1 << -9001 = $FFFFFFFF -1 >> 1 = $FFFFFFFF -1 >> 32 = $FFFFFFFF -1 >> 9001 = $FFFFFFFF -4 >> 1 = $FFFFFFFE -4 >> 2 = $FFFFFFFF -1 >> -9001 = $0