[cfe-dev] CGBuiltin.cpp?

[Eric Christopher]

The idea is that the builtins are wrapped by portable intrinsics (e.g.
_mm_* on x86) and therefore those should be used as an interface in
programming. If there's no suitable intrinsic then we'll expose the builtin.

-eric

On Fri Feb 06 2015 at 6:34:35 PM reed kotler <rkotler at mips.com> wrote:

> Why is that many of the gcc builtins are not mapped to the llvm ir
> builtins, in cases
> where there is a corresponding llvm ir builtin/intrinsic.
>
> For example, sin, cos, log, log2, exp, exp2.....??
>
> Of the normal math functions is seems that just pow and fabs are there.
>
> Reed
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