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For MACU add unsigned multiply to accumulator.

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Test.
This commit is contained in:
Andrew Cagney
1997-12-02 05:18:27 +00:00
parent 8b9c29f5cb
commit ae55807561
5 changed files with 96 additions and 5 deletions
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12
sim/d10v/simops.c
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@@ -1352,13 +1352,17 @@ OP_1A00 ()
void
OP_3A00 ()
{
int64 tmp;
uint64 tmp;
uint32 src1;
uint32 src2;
trace_input ("macu", OP_ACCUM, OP_REG, OP_REG);
tmp = SEXT40 (State.regs[OP[1]] * State.regs[OP[2]]);
src1 = (uint16) State.regs[OP[1]];
src2 = (uint16) State.regs[OP[2]];
tmp = src1 * src2;
if (State.FX)
tmp = SEXT40( (tmp << 1) & MASK40);
State.a[OP[0]] = (SEXT40 (State.a[OP[0]]) + tmp) & MASK40;
tmp = (tmp << 1);
State.a[OP[0]] = (State.a[OP[0]] + tmp) & MASK40;
trace_output (OP_ACCUM);
}