Commit 27527280 authored by Richard Henderson's avatar Richard Henderson Committed by Peter Maydell
Browse files

target/arm: Implement FCVT (scalar, fixed-point) for fp16 



Cc: qemu-stable@nongnu.org
Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Tested-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Message-id: 20180512003217.9105-5-richard.henderson@linaro.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 564a0632

target/arm/translate-a64.c

+15 −2
Original line number Diff line number Diff line
@@ -5697,8 +5697,21 @@ static void disas_fp_fixed_conv(DisasContext *s, uint32_t insn) 
    bool sf = extract32(insn, 31, 1);

    bool itof;



    if (sbit || (type > 1)

        || (!sf && scale < 32)) {

    if (sbit || (!sf && scale < 32)) {

        unallocated_encoding(s);

        return;

    }



    switch (type) {

    case 0: /* float32 */

    case 1: /* float64 */

        break;

    case 3: /* float16 */

        if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) {

            break;

        }

        /* fallthru */

    default:

        unallocated_encoding(s);

        return;

    }