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target/arm/vfp_helper: Call set_fpscr_to_host before updating to FPSCR 

In commit e9d652824b we extracted the vfp_set_fpscr_to_host()
function but failed at calling it in the correct place, we call
it after xregs[ARM_VFP_FPSCR] is modified.

Fix by calling this function before we update FPSCR.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20190705124318.1075-1-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2019-07-08 14:11:31 +01:00 committed by Peter Maydell
parent c8ead57124
commit 85795187f4
1 changed files with 2 additions and 2 deletions
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4
target/arm/vfp_helper.c
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@ -197,6 +197,8 @@ void HELPER(vfp_set_fpscr)(CPUARMState *env, uint32_t val)
val &= 0xf7c0009f;
}
vfp_set_fpscr_to_host(env, val);
/*
* We don't implement trapped exception handling, so the
* trap enable bits, IDE|IXE|UFE|OFE|DZE|IOE are all RAZ/WI (not RES0!)
@ -217,8 +219,6 @@ void HELPER(vfp_set_fpscr)(CPUARMState *env, uint32_t val)
env->vfp.qc[1] = 0;
env->vfp.qc[2] = 0;
env->vfp.qc[3] = 0;
vfp_set_fpscr_to_host(env, val);
}
void vfp_set_fpscr(CPUARMState *env, uint32_t val)