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- # v850 divh
- # mach: all
- .include "testutils.inc"
- # Regular division - check signs
- seti 6, r1
- seti 45, r2
- divh r1, r2
- flags 0
- reg r1, 6
- reg r2, 7
- seti -6, r1
- seti 45, r2
- divh r1, r2
- flags s
- reg r1, -6
- reg r2, -7
- seti 6, r1
- seti -45, r2
- divh r1, r2
- flags s
- reg r1, 6
- reg r2, -7
- seti -6, r1
- seti -45, r2
- divh r1, r2
- flags 0
- reg r1, -6
- reg r2, 7
- # Only the lower half of the dividend is used
- seti 0x0000fffa, r1
- seti -45, r2
- divh r1, r2
- flags 0
- reg r1, 0x0000fffa
- reg r2, 7
- # If the data is divhided 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
- divh r1, r2
- flags v
- reg r2, 45
- allflags
- seti 0, r1
- seti 45, r2
- seti 67, r3
- divh r1, r2
- flags sat + c + v + s + z
- reg r2, 45
- # Zero / (N!=0) => normal
- noflags
- seti 45, r1
- seti 0, r2
- seti 67, r3
- divh r1, r2
- flags z
- reg r1, 45
- reg r2, 0
- # Test for regular overflow
- noflags
- seti -1, r1
- seti 0x80000000, r2
- divh r1, r2
- flags v + s
- reg r1, -1
- reg r2, 0x80000000
- pass
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