Black Box 4

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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