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Diffstat (limited to 'sim/testsuite/sim/v850/divhu.cgs')
| -rw-r--r-- | sim/testsuite/sim/v850/divhu.cgs | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sim/testsuite/sim/v850/divhu.cgs b/sim/testsuite/sim/v850/divhu.cgs new file mode 100644 index 0000000..911e96e --- /dev/null +++ b/sim/testsuite/sim/v850/divhu.cgs @@ -0,0 +1,94 @@ +# v850 divu +# mach: v850e +# as(v850e): -mv850e + + .include "testutils.inc" + + seti 6, r1 + seti 45, r2 + divu r1, r2, r3 + + flags 0 + reg r1, 6 + reg r2, 7 + reg r3, 3 + + seti 4, r1 + seti 0x40000000, r2 + divu r1, r2, r3 + + flags 0 + reg r1, 4 + reg r2, 0x10000000 + reg r3, 0 + +# Only the lower half of the dividend is used + + seti 0x00010006, r1 + seti 45, r2 + divhu r1, r2, r3 + + flags 0 + reg r1, 0x00010006 + 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 + divu r1, r2, r3 + + flags v + reg r2, 45 + reg r3, 67 + + allflags + seti 0, r1 + seti 45, r2 + seti 67, r3 + divu 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 + divu r1, r2, r3 + + flags z + reg r1, 45 + reg r2, 0 + reg r3, 0 + +# The Z flag is based on the quotient, not the remainder + + noflags + seti 45, r1 + seti 16, r2 + divu 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 + divu r1, r2, r2 + + flags 0 + reg r1, 6 + reg r2, 3 + + pass |