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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [v850/] [satsubi.cgs] - Rev 272
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# v850 satsubi
# 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 0x7ffffffe, r1
satsubi -10, 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 0x80000001, r1
satsubi 10, r1, r2
flags sat + nc + v + s + nz
reg r2, 0x80000000
# Check that the SAT flag remains set until reset
seti 2, r1
satsubi 1, r1, r2
flags sat + nc + nv + ns + nz
reg r2, 1
noflags
seti 2, r1
satsubi 1, r1, r2
flags nsat + nc + nv + ns + nz
reg r2, 1
# Check that results exactly equal to min/max don't saturate
noflags
seti 0x7ffffffe, r1
satsubi -1, r1, r2
flags nsat + c + nv + ns + nz
reg r2, 0x7fffffff
noflags
seti 0x80000001, r1
satsubi 1, r1, r2
flags nsat + nc + nv + s + nz
reg r2, 0x80000000
pass
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