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target/arm: Suppress Coverity warning for PRF

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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>
This commit is contained in:
Richard Henderson 2018-07-09 14:51:34 +01:00 committed by Peter Maydell
parent 1a9b30646e
commit 2f95a3b09a
1 changed files with 2 additions and 2 deletions
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4
target/arm/translate-sve.c
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@ -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;
}