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2016 Jun 27
0
Finding caller-saved registers at a function call site
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>> -- Sanjoy
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> Rob Lyerly
> Graduate Research Assistant, Systems Software Research Group
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2016 Jun 27
3
Finding caller-saved registers at a function call site
Hi Sanjoy,
I'm having trouble finding caller-saved registers using the RegMask operand
you've mentioned. As an example, I've got a C function that looks like
this:
double recurse(int depth, double val)
{
if(depth < max_depth) return recurse(depth + 1, val * 1.2) + val;
else return outer_func(val);
}
As a quick refresher, all "xmm" registers are considered