[llvm] r218668 - [AVX512] Added intrinsics for VPCMPEQB and VPCMPEQW.

Robert Khasanov rob.khasanov at gmail.com
Mon Oct 20 12:36:00 PDT 2014


Juergen,

Sorry for the delay. Fixed at rev 220224.

2014-10-14 20:56 GMT+04:00 Juergen Ributzka <juergen at apple.com>:

> In this case I would prefer that the V64 type is moved out of the common
> values section, because it pushed out the ARG type.
> The ARG type is used quite often and by all targets, so I really want to
> keep it in the efficient encoding section.
>
>
> On Oct 14, 2014, at 7:55 AM, Robert Khasanov <rob.khasanov at gmail.com>
> wrote:
>
> Hi Juergen,
>
> AFAIK, X86 is the only target that uses IIT_V64. Since AVX-512 about
> 50-100 intrinsics will be enabled with this operand type.
>
> Robert
>
> 2014-10-09 21:58 GMT+04:00 Juergen Ributzka <juergen at apple.com>:
>
>> Hi Robert,
>>
>> I don’t think this comment is correct. We can only encode up to 8bit in
>> the short encoding format.
>>
>> Also: How common is IIT_V64? I am just wondering because X86 is the only
>> target that uses it for now.
>>
>> Thanks
>>
>> Cheers,
>> Juergen
>>
>> On Sep 30, 2014, at 4:32 AM, Robert Khasanov <rob.khasanov at gmail.com>
>> wrote:
>>
>> -  // Common values should be encoded with 0-15.
>> +  // Common values should be encoded with 0-16.
>>   IIT_Done = 0,
>>   IIT_I1   = 1,
>>   IIT_I8   = 2,
>> @@ -489,23 +489,24 @@ enum IIT_Info {
>>   IIT_V8   = 11,
>>   IIT_V16  = 12,
>>   IIT_V32  = 13,
>> -  IIT_PTR  = 14,
>> -  IIT_ARG  = 15,
>> +  IIT_V64  = 14,
>> +  IIT_PTR  = 15,
>> +  IIT_ARG  = 16,
>>
>>
>>
>
>
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