improve register allocation

+ Still linear, but orders regs by some kind of priority
+ Use all registers available, not just callee-save

1 files changed, 3 insertions, 3 deletions

diff --git a/src/vec.h b/src/vec.h
index 90558ac..f982bac 100644
--- a/src/vec.h
+++ b/src/vec.h
@@ -99,10 +99,10 @@ static inline void VEC(reserve)(struct VEC_STRUCT *v, size_t n)
 		return;
 
 	v->n = n;
-	if (v->s < v->n) {
+	while (v->s < v->n)
 		v->s *= 2;
-		v->buf = realloc(v->buf, v->s * sizeof(VEC_TYPE));
-	}
+
+	v->buf = realloc(v->buf, v->s * sizeof(VEC_TYPE));
 }
 
 static inline void VEC(shrink)(struct VEC_STRUCT *v, size_t n)