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- # v850 div
- # mach: v850e
- # as(v850e): -mv850e
- .include "testutils.inc"
- # Regular division - check signs
- # The S flag is based on the quotient, not the remainder
- seti 6, r1
- seti 45, r2
- div r1, r2, r3
- flags 0
- reg r1, 6
- reg r2, 7
- reg r3, 3
- seti -6, r1
- seti 45, r2
- div r1, r2, r3
- flags s
- reg r1, -6
- reg r2, -7
- reg r3, 3
- seti 6, r1
- seti -45, r2
- div r1, r2, r3
- flags s
- reg r1, 6
- reg r2, -7
- reg r3, -3
- seti -6, r1
- seti -45, r2
- div r1, r2, r3
- flags 0
- reg r1, -6
- reg r2, 7
- reg r3, -3
- # If the data is divided by zero, OV=1 and the quotient is undefined.
- # According to NEC, the S and Z flags, and the output registers, are
- # unchanged.
- noflags
- seti 0, r1
- seti 45, r2
- seti 67, r3
- div r1, r2, r3
- flags v
- reg r2, 45
- reg r3, 67
- allflags
- seti 0, r1
- seti 45, r2
- seti 67, r3
- div r1, r2, r3
- flags sat + c + v + s + z
- reg r2, 45
- reg r3, 67
- # Zero / (N!=0) => normal
- noflags
- seti 45, r1
- seti 0, r2
- seti 67, r3
- div r1, r2, r3
- flags z
- reg r1, 45
- reg r2, 0
- reg r3, 0
- # Test for regular overflow
- noflags
- seti -1, r1
- seti 0x80000000, r2
- seti 67, r3
- div r1, r2, r3
- flags v + s
- reg r1, -1
- reg r2, 0x80000000
- reg r3, 0
- # The Z flag is based on the quotient, not the remainder
- noflags
- seti 45, r1
- seti 16, r2
- div r1, r2, r3
- flags z
- reg r2, 0
- reg r3, 16
- # If the quot and rem registers are the same, the remainder is stored.
- seti 6, r1
- seti 45, r2
- div r1, r2, r2
- flags 0
- reg r1, 6
- reg r2, 3
- pass
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