[llvm-commits] vector types

[Chris Lattner]

On Tue, 29 Nov 2005, Andrew Lenharth wrote:
>> Add the majority of the vector machien value types we expect to support,
>> and make a few changes to the legalization machinery to support more than
>> 16 types.
>
> Just in case anyone cares, the relevant vector types for alpha are:
>
> v8i8, v4i16, and maybe v2i32 (only one unpack operation produces this
> and one pack operations consumes it).  Of course all the operations that
> exist are (s|u)(min|max), packing, unpacking, and comparison.  Not that
> I am too worried about support.

Ok, sounds good.  We figured that the list could be expanded on demand. :) 
MMX also has several other supported types that aren't on the list, so we 
would add those if we ever decided to add support.

-Chris

>> ---
>> Diffs of the changes:  (+21 -3)
>>
>>  ValueTypes.h |   24 +++++++++++++++++++++---
>>  1 files changed, 21 insertions(+), 3 deletions(-)
>>
>>
>> Index: llvm/include/llvm/CodeGen/ValueTypes.h
>> diff -u llvm/include/llvm/CodeGen/ValueTypes.h:1.13 llvm/include/llvm/CodeGen/ValueTypes.h:1.14
>> --- llvm/include/llvm/CodeGen/ValueTypes.h:1.13	Thu Nov 17 15:44:42 2005
>> +++ llvm/include/llvm/CodeGen/ValueTypes.h	Mon Nov 28 23:45:28 2005
>> @@ -48,14 +48,26 @@
>>                              // be refined into a target vector type, or
>>                              // scalarized.
>>
>> +                            // These are 128 bit vectors of varying packed types
>> +    v16i8          =  14,   // 16 x i8
>> +    v8i16          =  15,   //  8 x i16
>> +    v4i32          =  16,   //  4 x i32
>> +    v2i64          =  17,   //  2 x i64
>> +
>> +    v4f32          =  18,   //  4 x f32
>> +    v2f64          =  19,   //  2 x f64
>> +
>>      LAST_VALUETYPE,         // This always remains at the end of the list.
>>    };
>>
>>    static inline bool isInteger(ValueType VT) {
>> -    return VT >= i1 && VT <= i128;
>> +    return (VT >= i1 && VT <= i128) || (VT >= v16i8 && VT <= v2i64);
>>    }
>>    static inline bool isFloatingPoint(ValueType VT) {
>> -    return VT >= f32 && VT <= f128;
>> +    return (VT >= f32 && VT <= f128) || (VT >= v4f32 && VT <= v2f64);
>> +  }
>> +  static inline bool isVector(ValueType VT) {
>> +    return (VT >= v16i8 && VT <= v2f64);
>>    }
>>
>>    static inline unsigned getSizeInBits(ValueType VT) {
>> @@ -70,7 +82,13 @@
>>      case MVT::i64 : return 64;
>>      case MVT::f80 : return 80;
>>      case MVT::f128:
>> -    case MVT::i128: return 128;
>> +    case MVT::i128:
>> +    case MVT::v16i8:
>> +    case MVT::v8i16:
>> +    case MVT::v4i32:
>> +    case MVT::v2i64:
>> +    case MVT::v4f32:
>> +    case MVT::v2f64: return 128;
>>      }
>>    }
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>

-Chris

-- 
http://nondot.org/sabre/
http://llvm.org/