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Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.

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This commit is contained in:
Tomas Lindquist Olsen
2009-03-04 17:24:25 +01:00
parent ca41cb29d9
commit 65ba1d4d88
7 changed files with 112 additions and 61 deletions
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10
gen/tocall.cpp
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@@ -380,12 +380,11 @@ DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions*
Argument* fnarg = Argument::getNth(tf->parameters, i);
assert(fnarg);
DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]);
LLValue* arg = argval->getRVal();
int j = tf->fty->reverseParams ? beg + n - i - 1 : beg + i;
// give the ABI a say
arg = tf->fty->putParam(argval->getType(), i, arg);
LLValue* arg = tf->fty->putParam(argval->getType(), i, argval);
int j = tf->fty->reverseParams ? beg + n - i - 1 : beg + i;
// parameter type mismatch, this is hard to get rid of
if (arg->getType() != callableTy->getParamType(j))
@@ -483,7 +482,8 @@ DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions*
else if (!retinptr)
{
// do abi specific return value fixups
retllval = tf->fty->getRet(tf->next, retllval);
DImValue dretval(tf->next, retllval);
retllval = tf->fty->getRet(tf->next, &dretval);
}
// repaint the type if necessary