[LLVMdev] glibc 2.10 featuring new elf trick

Devang Patel dpatel at apple.com
Mon Apr 20 10:54:24 PDT 2009


On Apr 19, 2009, at 3:31 AM, Anton Korobeynikov wrote:

> Hello, Michael
>
>> IMO, fat binaries should go away and be replaced by LLVM bitcode,  
>> with
>> code generation performed by the OS at load time. This would have  
>> many
>> advantages: the compatibility with all current and future
>> architectures would be guaranteed,
> Unfortunately no, the IR obtained from languages like C, C++, etc is
> not target neutral.

But LLVM IR is neutral* for the various processors of a given  
processor family for the given target (e.g.Intel core processors with  
and without SSE 4.1)

-
Devang

[ * = If processor specific intrinsics are not used ]



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