Cc: qemu-sta...@nongnu.org Reviewed-by: Alex Bennée <alex.ben...@linaro.org> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- target/arm/translate-a64.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index d794744aec..e19d97e8f1 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5460,8 +5460,7 @@ 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; } @@ -5480,6 +5479,20 @@ static void disas_fp_fixed_conv(DisasContext *s, uint32_t insn) 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; + } + if (!fp_access_check(s)) { return; } -- 2.14.3