Re: [Qemu-devel] [PATCH 01/13] target-arm: A64: add support for conditional select

[Richard Henderson <rth@twiddle.net>]

On 12/06/2013 11:31 AM, Peter Maydell wrote:
> On 5 December 2013 22:26, Richard Henderson <rth@twiddle.net> wrote:
>> On 12/06/2013 10:51 AM, Peter Maydell wrote:
>>> +    if (cond >= 0x0e) { /* condition "always" */
>>> +        tcg_src = read_cpu_reg(s, rn, sf);
>>> +        tcg_gen_mov_i64(tcg_rd, tcg_src);
>>
>> I wonder if it's worth adding that 0x0[ef] case to the generic condition
>> processing rather than keep replicating it everywhere.
>>
>>> +    } else {
>>> +        /* OPTME: we could use movcond here, at the cost of duplicating
>>> +         * a lot of the arm_gen_test_cc() logic.
>>> +         */
>>
>> Honestly, arm_gen_test_cc should get refactored to a real test (as opposed to
>> branch) sooner rather than later.
> 
> By "sooner rather than later" do you mean "as part of this patch series" ?

It might make later patch series easier.  But I won't insist.


r~