[LLVMdev] detailed comparison of generated code size for LLVM and other compilers
regehr at cs.utah.edu
Mon Dec 14 16:34:51 PST 2009
> The issue here is more arbitrary differences due to different default
> code generation choices; for example, clang defaults to generating
> SSE2 code, while llvm-gcc defaults to using x87 FP.
Aha, this explains some apparently bizarre results such as the second one
(018427, d) on this page:
I had been wondering about this one.
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