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! RUN: llvm-mc %s -arch=sparcv9 -show-encoding | FileCheck %s

        ! CHECK: membar 15             ! encoding: [0x81,0x43,0xe0,0x0f]
        membar 15

        ! CHECK: stbar                 ! encoding: [0x81,0x43,0xc0,0x00]
        stbar

        ! CHECK: swap [%i0+%l6], %o2   ! encoding: [0xd4,0x7e,0x00,0x16]
        swap [%i0+%l6], %o2

        ! CHECK: swap [%i0+32], %o2    ! encoding: [0xd4,0x7e,0x20,0x20]
        swap [%i0+32], %o2

        ! CHECK: cas [%i0], %l6, %o2   ! encoding: [0xd5,0xe6,0x10,0x16]
        cas [%i0], %l6, %o2

        ! CHECK: casx [%i0], %l6, %o2  ! encoding: [0xd5,0xf6,0x10,0x16]
        casx [%i0], %l6, %o2