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Re: [PATCH 6/9] target/sparc/win_helper: silence the compiler warnings


From: Artyom Tarasenko
Subject: Re: [PATCH 6/9] target/sparc/win_helper: silence the compiler warnings
Date: Wed, 28 Oct 2020 07:42:03 +0100

ср, 28 окт. 2020 г., 5:19 Chen Qun <kuhn.chenqun@huawei.com>:
When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning:
target/sparc/win_helper.c: In function ‘get_gregset’:
target/sparc/win_helper.c:304:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
  304 |         trace_win_helper_gregset_error(pstate);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
target/sparc/win_helper.c:306:5: note: here
  306 |     case 0:
      |     ^~~~

Add the corresponding "fall through" comment to fix it.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>

Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>

---
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Artyom Tarasenko <atar4qemu@gmail.com>
---
 target/sparc/win_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/sparc/win_helper.c b/target/sparc/win_helper.c
index 8290a21142..32eacc05e6 100644
--- a/target/sparc/win_helper.c
+++ b/target/sparc/win_helper.c
@@ -303,6 +303,7 @@ static inline uint64_t *get_gregset(CPUSPARCState *env, uint32_t pstate)
     default:
         trace_win_helper_gregset_error(pstate);
         /* pass through to normal set of global registers */
+        /* fall through */
     case 0:
         return env->bgregs;
     case PS_AG:
--
2.27.0


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