From c6c7d84df8889b9d6298466999b88a8a42e5f976 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Tue, 20 Jun 2017 11:34:55 -0700
Subject: [PATCH] tcg: Return NULL temp for TCG_CALL_DUMMY_ARG
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Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/tcg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcg/tcg.h b/tcg/tcg.h
index fc4d1ed58b..5fcdec1fc5 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -731,7 +731,7 @@ extern bool parallel_cpus;
 
 static inline TCGTemp *arg_temp(TCGArg a)
 {
-    return &tcg_ctx.temps[a];
+    return a == TCG_CALL_DUMMY_ARG ? NULL : &tcg_ctx.temps[a];
 }
 
 static inline void tcg_set_insn_param(int op_idx, int arg, TCGArg v)
-- 
2.39.5