add nmem to opdesc for use in the spiller
This new machine-independent mechanism might not be general enough in the long term but, now, it provides a flexible way to inform the spiller about the maximum number of arguments of an instruction that can be spill locations.
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4 changed files with 36 additions and 34 deletions
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@ -161,7 +161,7 @@ enum {
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struct OpDesc {
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char *name;
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int arity;
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B3 comm;
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int nmem;
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};
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struct Ins {
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