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implement addCM

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This commit is contained in:
Joel Dice 2008-05-13 11:28:19 -06:00
parent 08beaad1b6
commit 13d6ab023f
1 changed files with 20 additions and 0 deletions
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20
src/x86.cpp
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@ -908,6 +908,25 @@ moveZRR(Context* c, unsigned size, Assembler::Register* a,
}
}
void
addCM(Context* c, unsigned size, Assembler::Constant* a,
Assembler::Memory* b)
{
assert(c, BytesPerWord == 8 or size == 4); // todo
int64_t v = a->value->value();
unsigned i = (isInt8(v) ? 0x83 : 0x81);
encode(c, i, 0, b, true);
if (isInt8(v)) {
c->code.append(v);
} else if (isInt32(v)) {
c->code.append4(v);
} else {
abort(c);
}
}
void
addCR(Context* c, unsigned size, Assembler::Constant* a,
Assembler::Register* b)
@ -1746,6 +1765,7 @@ populateTables()
BinaryOperations[INDEX2(Add, Constant, Register)] = CAST2(addCR);
BinaryOperations[INDEX2(Add, Register, Register)] = CAST2(addRR);
BinaryOperations[INDEX2(Add, Register, Memory)] = CAST2(addRM);
BinaryOperations[INDEX2(Add, Constant, Memory)] = CAST2(addCM);
BinaryOperations[INDEX2(Multiply, Register, Register)] = CAST2(multiplyRR);
BinaryOperations[INDEX2(Multiply, Constant, Register)] = CAST2(multiplyCR);