target/arm: Add isar feature check functions for MVE
Add the isar feature check functions we will need for v8.1M MVE: * a check for MVE present: this corresponds to the pseudocode's CheckDecodeFaults(ExtType_Mve) * a check for the optional floating-point part of MVE: this corresponds to CheckDecodeFaults(ExtType_MveFp) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210520152840.24453-2-peter.maydell@linaro.org
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@ -3817,6 +3817,28 @@ static inline bool isar_feature_aa32_fp16_arith(const ARMISARegisters *id)
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static inline bool isar_feature_aa32_mve(const ARMISARegisters *id)
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{
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/*
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* Return true if MVE is supported (either integer or floating point).
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* We must check for M-profile as the MVFR1 field means something
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* else for A-profile.
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*/
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return isar_feature_aa32_mprofile(id) &&
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FIELD_EX32(id->mvfr1, MVFR1, MVE) > 0;
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}
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static inline bool isar_feature_aa32_mve_fp(const ARMISARegisters *id)
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{
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/*
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* Return true if MVE is supported (either integer or floating point).
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* We must check for M-profile as the MVFR1 field means something
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* else for A-profile.
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*/
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return isar_feature_aa32_mprofile(id) &&
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FIELD_EX32(id->mvfr1, MVFR1, MVE) >= 2;
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}
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static inline bool isar_feature_aa32_vfp_simd(const ARMISARegisters *id)
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static inline bool isar_feature_aa32_vfp_simd(const ARMISARegisters *id)
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{
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{
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/*
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/*
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