diff options
Diffstat (limited to 'lisc/ssa.c')
| -rw-r--r-- | lisc/ssa.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lisc/ssa.c b/lisc/ssa.c index 9b584a7..4501044 100644 --- a/lisc/ssa.c +++ b/lisc/ssa.c @@ -288,13 +288,15 @@ refindex(int t, Fn *fn) static void phiins(Fn *fn) { - Bits u, defs; + BSet u[1], defs[1]; Blk *a, *b, **blist, **be, **bp; Ins *i; Phi *p; Ref r; int t, n, k, nt; + bsinit(u, fn->ntmp); /* todo, free those */ + bsinit(defs, fn->ntmp); blist = emalloc(fn->nblk * sizeof blist[0]); be = &blist[fn->nblk]; nt = fn->ntmp; @@ -302,7 +304,7 @@ phiins(Fn *fn) fn->tmp[t].visit = 0; if (fn->tmp[t].phi != 0) continue; - BZERO(u); + bszero(u); k = -1; bp = be; for (b=fn->start; b; b=b->link) { @@ -316,45 +318,43 @@ phiins(Fn *fn) i->arg[1] = r; } if (req(i->to, TMP(t))) { - if (!BGET(b->out, t)) { + if (!bshas(b->out, t)) { if (fn->tmp[t].ndef == 1) r = TMP(t); else r = refindex(t, fn); i->to = r; } else { - if (!BGET(u, b->id)) { - BSET(u, b->id); + if (!bshas(u, b->id)) { + bsset(u, b->id); *--bp = b; } if (k == -1) k = i->cls; - if (k != i->cls) - /* uh, oh, warn */ - ; + assert(k == i->cls); } } } if (!req(r, R) && req(b->jmp.arg, TMP(t))) b->jmp.arg = r; } - defs = u; + bscopy(defs, u); while (bp != be) { fn->tmp[t].visit = t; b = *bp++; - BCLR(u, b->id); + bsclr(u, b->id); for (n=0; n<b->nfron; n++) { a = b->fron[n]; if (a->visit++ == 0) - if (BGET(a->in, t)) { + if (bshas(a->in, t)) { p = alloc(sizeof *p); p->cls = k; p->to = TMP(t); p->link = a->phi; a->phi = p; - if (!BGET(defs, a->id)) - if (!BGET(u, a->id)) { - BSET(u, a->id); + if (!bshas(defs, a->id)) + if (!bshas(u, a->id)) { + bsset(u, a->id); *--bp = a; } } |