[LLVMdev] 16 bit floats

[Chris Lattner]

On Feb 5, 2009, at 1:34 PM, Villmow, Micah wrote:

> BGB/Chris,
>  I need to do a similar where I convert the 16bit floats to 32bit  
> floats on memory operations for both scalar and vector formats.  So  
> can these operations be implemented without adding 16 bit float  
> support natively to LLVM? If so, how?

Just codegen them as i16 in LLVM IR, and use a library function to  
convert the i16 into a 32-bit float doing the necessary unpacking.   
Similarly for store.

-Chris

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