diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 1e1da542d020db957bc3250d878046b22add944a..cdfeaa64761cb58a87118cd6d4cfa22a269c58cb 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2404,16 +2404,20 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
         /* if we reach a page boundary or are single stepping, stop
          * generation
          */
-        if (((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) ||
-            num_insns >= max_insns) {
-            break;
-        }
-
         if (env->singlestep_enabled) {
             gen_excp(&ctx, EXCP_DEBUG, 0);
             break;
         }
 
+        if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
+            break;
+
+        if (gen_opc_ptr >= gen_opc_end)
+            break;
+
+        if (num_insns >= max_insns)
+            break;
+
         if (singlestep) {
             break;
         }