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start integrating RAMem references

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This commit is contained in:
Quentin Carbonneaux 2015-10-23 13:50:26 -04:00
parent b33febc25c
commit 04b66d38db
6 changed files with 48 additions and 20 deletions
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14
lisc/live.c
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@ -40,6 +40,7 @@ filllive(Fn *f)
Ins *i;
int z, m, n, chg, nlv;
Bits u, v;
Mem *ma;
assert(f->ntmp <= NBit*BITS);
for (b=f->start; b; b=b->link) {
@ -83,8 +84,17 @@ Again:
nlv -= BGET(b->in, i->to.val);
BCLR(b->in, i->to.val);
}
bset(i->arg[0], b, &nlv);
bset(i->arg[1], b, &nlv);
for (m=0; m<2; m++)
switch (rtype(i->arg[m])) {
case RAMem:
ma = &f->mem[i->arg[m].val & AMask];
bset(ma->base, b, &nlv);
bset(ma->index, b, &nlv);
break;
default:
bset(i->arg[0], b, &nlv);
break;
}
if (nlv > b->nlive)
b->nlive = nlv;
}