[llvm-commits] [PATCH] Add support for lowering FNEG with AVX

[Jakob Stoklund Olesen]

On Dec 14, 2011, at 4:37 PM, Chad Rosier wrote:

> 
> On Dec 14, 2011, at 4:27 PM, Bruno Cardoso Lopes wrote:
>> 
>> +    if (NumBits == 256) {
>> +      CV.push_back(C);
>> +      CV.push_back(C);
>> +    }
>>  } else {
>>    Constant *C = ConstantFP::get(*Context, APFloat(APInt(32, 1U << 31)));
>>    CV.push_back(C);
>>    CV.push_back(C);
>>    CV.push_back(C);
>>    CV.push_back(C);
>> +    if (NumBits == 256) {
>> +      CV.push_back(C);
>> +      CV.push_back(C);
>> +      CV.push_back(C);
>> +      CV.push_back(C);
>> +    }
>> 
>> If you iterate over the number of elements to push_back the constants,
>> you can make it more general and don't need to get the size here.
> 
> Sure, easy fix.

Note that SmallVector has these methods:

  void append(size_type NumInputs, const T &Elt);
  void assign(unsigned NumElts, const T &Elt);

/jakob