Re: [Qemu-devel] [PATCH 06/26] target/arm: Decode FP instructions for M profile

[Richard Henderson]

On 4/16/19 5:57 AM, Peter Maydell wrote:
> Correct the decode of the M-profile "coprocessor and
> floating-point instructions" space:
>  * op0 == 0b11 is always unallocated
>  * if the CPU has an FPU then all insns with op1 == 0b101
>    are floating point and go to disas_vfp_insn()
> 
> For the moment we leave VLLDM and VLSTM as NOPs; in
> a later commit we will fill in the proper implementation
> for the case where an FPU is present.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/translate.c | 26 ++++++++++++++++++++++----
>  1 file changed, 22 insertions(+), 4 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~