diff options
| -rw-r--r-- | arm64/abi.c | 1 | ||||
| -rw-r--r-- | spill.c | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/arm64/abi.c b/arm64/abi.c index d38dcf5..8209944 100644 --- a/arm64/abi.c +++ b/arm64/abi.c @@ -448,6 +448,7 @@ selpar(Fn *fn, Ins *i0, Ins *i1) if (cr.class & Cptr) { fn->retr = newtmp("abi", Kl, fn); emit(Ocopy, Kl, fn->retr, TMP(R8), R); + fn->reg |= BIT(R8); } } diff --git a/spill.c b/spill.c index baceccc..4c11d9f 100644 --- a/spill.c +++ b/spill.c @@ -428,6 +428,7 @@ spill(Fn *fn) else { /* make sure we have a reg * for the result */ + assert(t >= Tmp0 && "dead reg"); bsset(v, t); bsset(w, t); } @@ -476,7 +477,10 @@ spill(Fn *fn) if (!req(i->to, R)) { t = i->to.val; store(i->to, tmp[t].slot); - bsclr(v, t); + if (t >= Tmp0) + /* in case i->to was a + * dead temporary */ + bsclr(v, t); } emiti(*i); r = v->t[0]; /* Tmp0 is NBit */ |