target/arm/translate-a64:Remove dead assignment in handle_scalar_simd_shli()
authorChen Qun <kuhn.chenqun@huawei.com>
Thu, 27 Aug 2020 11:03:04 +0000 (19:03 +0800)
committerLaurent Vivier <laurent@vivier.eu>
Tue, 1 Sep 2020 09:55:15 +0000 (11:55 +0200)
Clang static code analyzer show warning:
target/arm/translate-a64.c:8635:14: warning: Value stored to 'tcg_rn' during its
 initialization is never read
    TCGv_i64 tcg_rn = new_tmp_a64(s);
             ^~~~~~   ~~~~~~~~~~~~~~
target/arm/translate-a64.c:8636:14: warning: Value stored to 'tcg_rd' during its
 initialization is never read
    TCGv_i64 tcg_rd = new_tmp_a64(s);
             ^~~~~~   ~~~~~~~~~~~~~~

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200827110311.164316-4-kuhn.chenqun@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
target/arm/translate-a64.c

index 4ba6918b60631938284280930c257a4bda532483..1fc3b2273207f232641c9110d2c6f74872838f53 100644 (file)
@@ -8631,8 +8631,8 @@ static void handle_scalar_simd_shli(DisasContext *s, bool insert,
     int size = 32 - clz32(immh) - 1;
     int immhb = immh << 3 | immb;
     int shift = immhb - (8 << size);
-    TCGv_i64 tcg_rn = new_tmp_a64(s);
-    TCGv_i64 tcg_rd = new_tmp_a64(s);
+    TCGv_i64 tcg_rn;
+    TCGv_i64 tcg_rd;
 
     if (!extract32(immh, 3, 1)) {
         unallocated_encoding(s);