66 lines
1.1 KiB
Text
66 lines
1.1 KiB
Text
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# 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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satsubr r2, r1
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flags sat + c + v + ns + nz
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reg r1, 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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satsubr r2, r1
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flags sat + nc + v + s + nz
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reg r1, 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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satsubr r2, r1
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flags sat + nc + nv + ns + nz
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reg r1, 1
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noflags
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seti 1, r1
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seti 2, r2
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satsubr r2, r1
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flags nsat + nc + nv + ns + nz
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reg r1, 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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satsubr r2, r1
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flags nsat + c + nv + ns + nz
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reg r1, 0x7fffffff
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noflags
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seti 0x70000000, r1
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seti 0xf0000000, r2
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satsubr r2, r1
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flags nsat + nc + nv + s + nz
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reg r1, 0x80000000
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pass
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