diff --git a/code/tools/lcc/src/c.h b/code/tools/lcc/src/c.h
index b46cf3bf..e36380ef 100644
--- a/code/tools/lcc/src/c.h
+++ b/code/tools/lcc/src/c.h
@@ -81,7 +81,7 @@ typedef struct table *Table;
 typedef union value {
 	long i;
 	unsigned long u;
-	long double d;
+	double d;
 	void *p;
 	void (*g)(void);
 } Value;
diff --git a/code/tools/lcc/src/enode.c b/code/tools/lcc/src/enode.c
index 0f2adbdd..760096de 100644
--- a/code/tools/lcc/src/enode.c
+++ b/code/tools/lcc/src/enode.c
@@ -184,7 +184,7 @@ Tree cnsttree(Type ty, ...) {
 	switch (ty->op) {
 	case INT:     p->u.v.i = va_arg(ap, long); break;
 	case UNSIGNED:p->u.v.u = va_arg(ap, unsigned long)&ones(8*ty->size); break;
-	case FLOAT:   p->u.v.d = va_arg(ap, long double); break;
+	case FLOAT:   p->u.v.d = va_arg(ap, double); break;
 	case POINTER: p->u.v.p = va_arg(ap, void *); break;
 	default: assert(0);
 	}
diff --git a/code/tools/lcc/src/simp.c b/code/tools/lcc/src/simp.c
index 227dfbb2..ea26ab69 100644
--- a/code/tools/lcc/src/simp.c
+++ b/code/tools/lcc/src/simp.c
@@ -246,15 +246,15 @@ Tree simplify(int op, Type ty, Tree l, Tree r) {
 			break;
 
 		case CVI+F:
-			xcvtcnst(I,l->u.v.i,ty,d,(long double)l->u.v.i);
+			xcvtcnst(I,l->u.v.i,ty,d,(double)l->u.v.i);
 		case CVU+F:
-			xcvtcnst(U,l->u.v.u,ty,d,(long double)l->u.v.u);
+			xcvtcnst(U,l->u.v.u,ty,d,(double)l->u.v.u);
 			break;
 		case CVF+I:
 			xcvtcnst(F,l->u.v.d,ty,i,(long)l->u.v.d);
 			break;
 		case CVF+F: {
-			float d;
+			float d = 0.0f;
 			if (l->op == CNST+F) {
 				if (l->u.v.d < ty->u.sym->u.limits.min.d)
 					d = ty->u.sym->u.limits.min.d;
@@ -263,7 +263,7 @@ Tree simplify(int op, Type ty, Tree l, Tree r) {
 				else
 					d = l->u.v.d;
 			}
-			xcvtcnst(F,l->u.v.d,ty,d,(long double)d);
+			xcvtcnst(F,l->u.v.d,ty,d,(double)d);
 			break;
 			}
 		case BAND+U: