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target-arm: Fix bit test in sp_el0_access 

Static code analyzers complain about a dubious & operation used for a
boolean value. The code does not test the PSTATE_SP bit as it should.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1406359601-25583-1-git-send-email-sw@weilnetz.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Stefan Weil 2014-08-04 14:41:55 +01:00 committed by Peter Maydell
parent 63b60551a7
commit cdcf14057d
1 changed files with 1 additions and 1 deletions
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2
target-arm/helper.c
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@ -1853,7 +1853,7 @@ static uint64_t aa64_dczid_read(CPUARMState *env, const ARMCPRegInfo *ri)
static CPAccessResult sp_el0_access(CPUARMState *env, const ARMCPRegInfo *ri) static CPAccessResult sp_el0_access(CPUARMState *env, const ARMCPRegInfo *ri)
{ {
if (!env->pstate & PSTATE_SP) { if (!(env->pstate & PSTATE_SP)) {
/* Access to SP_EL0 is undefined if it's being used as /* Access to SP_EL0 is undefined if it's being used as
* the stack pointer. * the stack pointer.
*/ */