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add nmem to opdesc for use in the spiller

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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.
This commit is contained in:
Quentin Carbonneaux 2015-08-08 18:06:47 -04:00
parent 9966a181c1
commit 76bf96b268
4 changed files with 36 additions and 34 deletions
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38
lisc/parse.c
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@ -11,24 +11,30 @@ enum {
Ins insb[NIns], *curi;
OpDesc opdesc[OLast] = {
/* NAME ARTY C */
[OAdd] = { "add", 2, T },
[OSub] = { "sub", 2, F },
[ODiv] = { "div", 2, U },
[ORem] = { "rem", 2, U },
[OStore] = { "store", 2, U },
[OLoad] = { "load", 1, U },
[ONop] = { "nop", 0, U },
[OCopy] = { "copy", 1, U },
[OSwap] = { "swap", 2, T },
[OSign] = { "sign", 1, U },
[OXDiv] = { "xdiv", 1, U },
[OXCmpw] = { "xcmpw", 2, U },
[OXCmpl] = { "xcmpl", 2, U },
/* NAME ARTY NM */
[OAdd] = { "add", 2, 2 },
[OSub] = { "sub", 2, 2 },
[ODiv] = { "div", 2, 2 },
[ORem] = { "rem", 2, 2 },
[OStore] = { "store", 2, 0 },
[OStores] = { "stores", 2, 0 },
[OStoreb] = { "storeb", 2, 0 },
[OLoad] = { "load", 1, 0 },
[OLoadss] = { "loadss", 1, 0 },
[OLoadus] = { "loadus", 1, 0 },
[OLoadsb] = { "loadsb", 1, 0 },
[OLoadub] = { "loadub", 1, 0 },
[ONop] = { "nop", 0, 0 },
[OCopy] = { "copy", 1, 1 },
[OSwap] = { "swap", 2, 2 },
[OSign] = { "sign", 1, 0 },
[OXDiv] = { "xdiv", 1, 1 },
[OXCmpw] = { "xcmpw", 2, 1 },
[OXCmpl] = { "xcmpl", 2, 1 },
#define X(c) \
[OCmp+C##c] = { "c" #c, 2, U }, \
[OXSet+C##c] = { "xset" #c, 0, U }
[OCmp+C##c] = { "c" #c, 2, 0 }, \
[OXSet+C##c] = { "xset" #c, 0, 0 }
X(eq), X(sle), X(slt), X(sgt), X(sge), X(ne),
#undef X