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move spill and emit to the new slot system

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In emit, I worked a little to make sure that framesz works
when we change the size of the svec array (if we need more
alignments).
This commit is contained in:
Quentin Carbonneaux 2015-08-18 19:11:48 -04:00
parent 627e45e330
commit 6f09869ea1
4 changed files with 41 additions and 17 deletions
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10
lisc/isel.c
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@ -357,13 +357,11 @@ seljmp(Blk *b, Fn *fn)
}
int
slot_(int sz, int al /* log2 */, Fn *fn)
slota(int sz, int al /* log2 */, int *sa)
{
enum { N = sizeof fn->slot / sizeof fn->slot[0] };
enum { N = sizeof (Fn){0}.svec / sizeof (Fn){0}.svec[0] };
int j, k, s, l, a, ret;
int *sa;
sa = fn->slot;
a = 1 << al;
l = sz;
@ -429,7 +427,7 @@ isel(Fn *fn)
/* assign slots to fast allocs */
for (n=Tmp0; n<fn->ntmp; n++)
fn->tmp[n].spill = 0;
memcpy(fn->slot, (int[3]){0, 0, 2}, 3 * sizeof(int));
memcpy(fn->svec, (int[3]){0, 0, 2}, 3 * sizeof(int));
for (b=fn->start, i=b->ins; i-b->ins < b->nins; i++)
if (OAlloc <= i->op && i->op <= OAlloc1) {
@ -440,7 +438,7 @@ isel(Fn *fn)
diag("isel: invalid alloc size");
sz = (sz + 3) / 4;
al = i->op - OAlloc;
s = slot_(sz, al, fn);
s = slota(sz, al, fn->svec);
fn->tmp[i->to.val].spill = s;
i->to = R;
}