Power-Programmierung/CD1.mdf/emulate/sparc/branch.s

Text File | 1991-10-30 | 3KB | 263 lines

!
! Test branch on integer condition code (bicc) insns
!
! Set up constants
!

    set    0x7fffffff,%o1
    mov    1, %o2
    mov    -1, %o3
    set    0x80000001, %o4
!
! First, without annulment
!
! ba
!
    ba    L1
    nop
L2:
    unimp    0
L1:
! bn
    bn    L2
    nop
! bne
    subcc    %g0,1,%g0
    bne    .+0xc
    nop
    unimp    0
! be
    orcc    %g0,%g0,%g0
    be    .+0xc
    nop
    unimp    0
! bg
    addcc    %o1,%o1,%g0
    bg    .+0xc
    nop
    unimp    0
    add    %o2,%o2,%g0
    bg    .+0xc
    nop
    unimp    0
! ble
    tst    %g0
    ble    .+0xc
    nop
    unimp    0
    tst    %o3
    ble    .+0xc
    nop
    unimp    0
    addcc    %o3,%o3,%g0
    ble    .+0xc
    nop
    unimp    0
! bge
    tst    %o2
    bge    .+0xc
    nop
    unimp    0
    addcc    %o1,%o1,%g0
    bge    .+0xc
    nop
    unimp    0
! bl
    orcc    %g0,-1,%g0
    bl    .+0xc
    nop
    unimp    0
    addcc    %o4,%o4,%g0
    bl    .+0xc
    nop
    unimp    0
! bgu
    orcc    %g0,1,%g0
    bgu    .+0xc
    nop
    unimp    0
! bleu
    addcc    %o3,%o3,%g0
    bleu    .+0xc
    nop
    unimp    0
    orcc    %g0,%g0,%g0
    bleu    .+0xc
    nop
    unimp    0
    addcc    %o2,-1,%g0
    bleu    .+0xc
    nop
    unimp    0
! bcc
    orcc    %g0,%g0,%g0
    bcc    .+0xc
    nop
    unimp    0
! bcs
    addcc    %o2,%o3,%g0
    bcs    .+0xc
    nop
    unimp    0
! bpos
    tst    %o2
    bpos    .+0xc
    nop
    unimp    0
! bneg
    tst    %o3
    bneg    .+0xc
    nop
    unimp    0
! bvc
    orcc    %g0,%g0,%g0
    bvc    .+0xc
    nop
    unimp    0
! bvs
    addcc    %o1,%o1,%g0
    bvs    .+0xc
    nop
    unimp    0
!
! Now with annulment
!
! ba,a
    ba,a    .+0x8
    unimp    0
! bn,a
    bn,a    .+0x8
    unimp    0
! be,a
    subcc    %g0,1,%g0
    be,a    .+0x8
    unimp    0
! bne,a
    orcc    %g0,%g0,%g0
    bne,a    .+0x8
    unimp    0
! ble,a
    addcc    %o1,%o1,%g0
    ble,a    .+0x8
    unimp    0
    add    %o2,%o2,%g0
    ble,a    .+0x8
    unimp    0
! bg,a
    tst    %g0
    bg,a    .+0xc
    unimp    0
    tst    %o3
    bg,a    .+0xc
    unimp    0
    addcc    %o3,%o3,%g0
    bg,a    .+0xc
    unimp    0
! bl,a
    tst    %o2
    bl,a    .+0xc
    unimp    0
    addcc    %o1,%o1,%g0
    bl,a    .+0xc
    unimp    0
! bge,a
    orcc    %g0,-1,%g0
    bge,a    .+0xc
    unimp    0
    addcc    %o4,%o4,%g0
    bge,a    .+0xc
    unimp    0
! bleu,a
    orcc    %g0,1,%g0
    bleu,a    .+0xc
    unimp    0
! bgu,a
    addcc    %o3,%o3,%g0
    bgu,a    .+0xc
    unimp    0
    orcc    %g0,%g0,%g0
    bgu,a    .+0xc
    unimp    0
    addcc    %o2,-1,%g0
    bgu,a    .+0xc
    unimp    0
! bcs,a
    orcc    %g0,%g0,%g0
    bcs,a    .+0xc
    unimp    0
! bcc,a
    addcc    %o2,%o3,%g0
    bcc,a    .+0xc
    unimp    0
! bneg,a
    tst    %o2
    bneg,a    .+0xc
    unimp    0
! bpos,a
    tst    %o3
    bpos,a    .+0xc
    unimp    0
! bvs,a
    orcc    %g0,%g0,%g0
    bvs,a    .+0xc
    unimp    0
! bvc,a
    addcc    %o1,%o1,%g0
    bvc,a    .+0xc
    unimp    0
!
! back-to-back branch tests
!
! case 1
    ba    .+0xc
    ba    .+0x10
    unimp    0
    tst    %g0
    unimp    1
! case 2
    ba    .+0x10
    bne    .+0x8
    unimp    2
    unimp    3
! case 3
    ba    .+0x10
    bne,a    .+0x8
    unimp    4
    unimp    5
    unimp    6
! case 4
    ba    .+0xc
    ba,a    .+0x10
    unimp    7
    unimp    8
    unimp    9
! case 5
    ba,a    .+0x10
    be    .+0x8
    unimp    10
    unimp    11
    ba,a    .+0x10
    ba    .+0x8
    unimp    12
    unimp    13
    ba,a    .+0x10
    ba,a    .+0x8
    unimp    14
    unimp    15
! case 6 (behaves like case 1)
    be    .+0xc
    ba    .+0x10
    unimp    16
    nop
    unimp    17
    bne    .+0xc
    ba    .+0x10
    nop
    unimp    18
    unimp    19
exit:
    clr    %o0
    mov    1,%g1
    ta    0