From: Richard Henderson <richard.henderson@linaro.org>
Date: Tue, 14 Aug 2018 16:17:22 +0000 (+0100)
Subject: target/arm: Fix typo in do_sat_addsub_64
X-Git-Tag: v3.0.1~104
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f7ddde210a0944b91be1c51bd090104191a76414;p=thirdparty%2Fqemu.git

target/arm: Fix typo in do_sat_addsub_64

Used the wrong temporary in the computation of subtractive overflow.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 7a31e0c6c68baffab0867bdd92b8744568b1d3ba)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 374051cd20a..9dd4c38bab7 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -1625,7 +1625,7 @@ static void do_sat_addsub_64(TCGv_i64 reg, TCGv_i64 val, bool u, bool d)
             /* Detect signed overflow for subtraction.  */
             tcg_gen_xor_i64(t0, reg, val);
             tcg_gen_sub_i64(t1, reg, val);
-            tcg_gen_xor_i64(reg, reg, t0);
+            tcg_gen_xor_i64(reg, reg, t1);
             tcg_gen_and_i64(t0, t0, reg);
 
             /* Bound the result.  */