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# v850 satsub
# mach: all
.include "testutils.inc"
# If the result of the add is "negative", that means we went too
# positive. The result should be the most positive number.
noflags
seti 0x90000000, r1
seti 0x70000000, r2
satsub r1, r2
flags sat + c + v + ns + nz
reg r2, 0x7fffffff
# Similarly, if the result of the add is "positive", that means we
# went too negative. The result should be the most negative number.
noflags
seti 0x70000000, r1
seti 0x90000000, r2
satsub r1, r2
flags sat + nc + v + s + nz
reg r2, 0x80000000
# Check that the SAT flag remains set until reset
seti 1, r1
seti 2, r2
satsub r1,r2
flags sat + nc + nv + ns + nz
reg r2, 1
noflags
seti 1, r1
seti 2, r2
satsub r1,r2
flags nsat + nc + nv + ns + nz
reg r2, 1
# Check that results exactly equal to min/max don't saturate
noflags
seti 0x90000000, r1
seti 0x0fffffff, r2
satsub r1,r2
flags nsat + c + nv + ns + nz
reg r2, 0x7fffffff
noflags
seti 0x70000000, r1
seti 0xf0000000, r2
satsub r1,r2
flags nsat + nc + nv + s + nz
reg r2, 0x80000000
pass
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