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authorRichard Henderson <richard.henderson@linaro.org>2018-07-09 14:51:34 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-07-09 14:51:34 +0100
commit2f95a3b09aebdcb5c9152a7ac434a5d57441fe82 (patch)
treeeb037dc0c3980d9eaf67a67e23cb3771f865bb0d
parent1a9b30646edd8d10caaa9727611750bf57d08c74 (diff)
downloadqemu-arm-2f95a3b09aebdcb5c9152a7ac434a5d57441fe82.tar.gz
target/arm: Suppress Coverity warning for PRF
These instructions must perform the sve_access_check, but since they are implemented as NOPs there is no generated code to elide when the access check fails. Fixes: Coverity issues 1393780 & 1393779. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/translate-sve.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index c080345b9c..d41f1155f9 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -5164,7 +5164,7 @@ static bool trans_ST1_zpiz(DisasContext *s, arg_ST1_zpiz *a, uint32_t insn)
static bool trans_PRF(DisasContext *s, arg_PRF *a, uint32_t insn)
{
/* Prefetch is a nop within QEMU. */
- sve_access_check(s);
+ (void)sve_access_check(s);
return true;
}
@@ -5174,7 +5174,7 @@ static bool trans_PRF_rr(DisasContext *s, arg_PRF_rr *a, uint32_t insn)
return false;
}
/* Prefetch is a nop within QEMU. */
- sve_access_check(s);
+ (void)sve_access_check(s);
return true;
}