target/arm: Add isar feature test for FEAT_AIE

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251014195017.421681-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/arm/cpu-features.h

diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 37f1eca..579fa8f 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -1364,6 +1364,11 @@
     return FIELD_EX64_IDREG(id, ID_AA64MMFR3, S2PIE) != 0;
 }
 
+static inline bool isar_feature_aa64_aie(const ARMISARegisters *id)
+{
+    return FIELD_EX64_IDREG(id, ID_AA64MMFR3, AIE) != 0;
+}
+
 static inline bool isar_feature_aa64_mec(const ARMISARegisters *id)
 {
     return FIELD_EX64_IDREG(id, ID_AA64MMFR3, MEC) != 0;