target/arm: New utility function to extract EC from syndrome

Create and use a utility function to extract the EC field
from a syndrome, rather than open-coding the shift.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181012144235.19646-9-peter.maydell@linaro.org

1 files changed, 1 insertions, 1 deletions

diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c
index d915579712..90741f6331 100644
--- a/target/arm/op_helper.c
+++ b/target/arm/op_helper.c
@@ -42,7 +42,7 @@ void raise_exception(CPUARMState *env, uint32_t excp,
          * (see DDI0478C.a D1.10.4)
          */
         target_el = 2;
-        if (syndrome >> ARM_EL_EC_SHIFT == EC_ADVSIMDFPACCESSTRAP) {
+        if (syn_get_ec(syndrome) == EC_ADVSIMDFPACCESSTRAP) {
             syndrome = syn_uncategorized();
         }
     }