target-alpha: stop translation if too long

Signed-off-by: NTristan Gingold <gingold@adacore.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7027 c046a42c-6fe2-441c-8c8c-71466251a162

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;
         }