[LLVMdev] Code Size Benchmark

Eli Friedman eli.friedman at gmail.com
Mon Apr 19 13:49:58 PDT 2010

On Mon, Apr 19, 2010 at 3:11 AM, Zhongxing Xu <xuzhongxing at gmail.com> wrote:
> Hi all,
> We did some benchmarks on code size with clang, gcc 4.5, and open64. Clang
> performed second in the test. The benchmark is CSiBE. Clang can't compile
> the linux kernel (some inline asm not supported) and replaypc (error: use of
> unknown builtin '__builtin_next_arg'). The concrete results are attached.

That error looks extremely strange; where is the call to
__builtin_next_arg coming from?


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