| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- # 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
- satsubr r2, r1
- flags sat + c + v + ns + nz
- reg r1, 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
- satsubr r2, r1
- flags sat + nc + v + s + nz
- reg r1, 0x80000000
- # Check that the SAT flag remains set until reset
- seti 1, r1
- seti 2, r2
- satsubr r2, r1
- flags sat + nc + nv + ns + nz
- reg r1, 1
- noflags
- seti 1, r1
- seti 2, r2
- satsubr r2, r1
- flags nsat + nc + nv + ns + nz
- reg r1, 1
- # Check that results exactly equal to min/max don't saturate
- noflags
- seti 0x90000000, r1
- seti 0x0fffffff, r2
- satsubr r2, r1
- flags nsat + c + nv + ns + nz
- reg r1, 0x7fffffff
- noflags
- seti 0x70000000, r1
- seti 0xf0000000, r2
- satsubr r2, r1
- flags nsat + nc + nv + s + nz
- reg r1, 0x80000000
- pass
|
