Commit 0052087e authored by Richard Henderson's avatar Richard Henderson Committed by Peter Maydell
Browse files

target/arm: Decode t32 simd 3reg and 2reg_scalar extension 



Happily, the bits are in the same places compared to a32.

Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-id: 20180228193125.20577-16-richard.henderson@linaro.org
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 638808ff

target/arm/translate.c

+13 −1
Original line number Diff line number Diff line
@@ -10774,7 +10774,19 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) 
                               default_exception_el(s));

            break;

        }

        if (((insn >> 24) & 3) == 3) {

        if ((insn & 0xfe000a00) == 0xfc000800

            && arm_dc_feature(s, ARM_FEATURE_V8)) {

            /* The Thumb2 and ARM encodings are identical.  */

            if (disas_neon_insn_3same_ext(s, insn)) {

                goto illegal_op;

            }

        } else if ((insn & 0xff000a00) == 0xfe000800

                   && arm_dc_feature(s, ARM_FEATURE_V8)) {

            /* The Thumb2 and ARM encodings are identical.  */

            if (disas_neon_insn_2reg_scalar_ext(s, insn)) {

                goto illegal_op;

            }

        } else if (((insn >> 24) & 3) == 3) {

            /* Translate into the equivalent ARM encoding.  */

            insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28);

            if (disas_neon_data_insn(s, insn)) {