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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [v850/] [satsub.cgs] - Blame information for rev 205

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Line No. Rev Author Line
1 24 jeremybenn
# v850 satsub
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# mach: all
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        .include "testutils.inc"
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# If the result of the add is "negative", that means we went too
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# positive.  The result should be the most positive number.
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        noflags
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        seti    0x90000000, r1
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        seti    0x70000000, r2
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        satsub  r1, r2
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        flags   sat + c + v + ns + nz
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        reg     r2, 0x7fffffff
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# Similarly, if the result of the add is "positive", that means we
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# went too negative.  The result should be the most negative number.
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        noflags
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        seti    0x70000000, r1
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        seti    0x90000000, r2
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        satsub  r1, r2
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        flags   sat + nc + v + s + nz
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        reg     r2, 0x80000000
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# Check that the SAT flag remains set until reset
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        seti    1, r1
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        seti    2, r2
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        satsub  r1,r2
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        flags   sat + nc + nv + ns + nz
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        reg     r2, 1
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        noflags
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        seti    1, r1
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        seti    2, r2
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        satsub  r1,r2
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        flags   nsat + nc + nv + ns + nz
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        reg     r2, 1
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# Check that results exactly equal to min/max don't saturate
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        noflags
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        seti    0x90000000, r1
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        seti    0x0fffffff, r2
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        satsub  r1,r2
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        flags   nsat + c + nv + ns + nz
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        reg     r2, 0x7fffffff
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        noflags
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        seti    0x70000000, r1
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        seti    0xf0000000, r2
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        satsub  r1,r2
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        flags   nsat + nc + nv + s + nz
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        reg     r2, 0x80000000
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        pass

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