Commit 2f95a3b0 authored by Richard Henderson's avatar Richard Henderson Committed by Peter Maydell
Browse files

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: default avatarRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 1a9b3064

target/arm/translate-sve.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}