qemu-arm
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-arm] [PATCH 2/4] target/arm: Fix typo in do_sat_addsub_64


From: Richard Henderson
Subject: [Qemu-arm] [PATCH 2/4] target/arm: Fix typo in do_sat_addsub_64
Date: Wed, 1 Aug 2018 08:31:09 -0400

Used the wrong temporary in the computation of subtractive overflow.

Reported-by: Laurent Desnogues <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 target/arm/translate-sve.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 374051cd20..9dd4c38bab 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.  */
-- 
2.17.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]