fix various warnings

3 files changed, 7 insertions, 9 deletions

diff --git a/ir/fold.c b/ir/fold.c
index f5150c0..321797b 100644
--- a/ir/fold.c
+++ b/ir/fold.c
@@ -71,15 +71,14 @@ foldflt(enum op op, enum irclass k, union ref lr, union ref rr)
    case Osub: x = l - r; break;
    case Omul: x = l * r; break;
    case Odiv: x = l / r; break;
-   case Oequ: xi = l == r; break;
-   case Oneq: xi = l != r; break;
-   case Olth: xi = l < r; break;
-   case Ogth: xi = l > r; break;
-   case Olte: xi = l <= r; break;
-   case Ogte: xi = l >= r; break;
+   case Oequ: xi = l == r; goto Cmp;
+   case Oneq: xi = l != r; goto Cmp;
+   case Olth: xi = l < r; goto Cmp;
+   case Ogth: xi = l > r; goto Cmp;
+   case Olte: xi = l <= r; goto Cmp;
+   case Ogte: xi = l >= r; Cmp: return mkref(RICON, xi);
    default: assert(0);
    }
-   if (oiscmp(op)) return mkref(RICON, xi);
    if (!w) x = (float)x;
    return mkfltcon(k, x);
 }
diff --git a/ir/ir.c b/ir/ir.c
index b5f9de8..136935f 100644
--- a/ir/ir.c
+++ b/ir/ir.c
@@ -663,7 +663,7 @@ irfini(struct function *fn)
    if (objout.code)
       mctarg->emit(fn);
 
-Fin:
+//Fin:
    freearena(fn->passarena);
    freefn(fn);
 }
diff --git a/ir/stack.c b/ir/stack.c
index 45023d1..1dc29cd 100644
--- a/ir/stack.c
+++ b/ir/stack.c
@@ -3,7 +3,6 @@
 void
 lowerstack(struct function *fn)
 {
-   extern int ninstr;
    fn->stksiz = 0;
    FREQUIRE(FNUSE);