Re: [llvmlinux] [PATCH] [RFC] [X86] Fix a compilation issue with clang.

From: Jan-Simon Möller
Date: Thu Aug 29 2013 - 14:02:09 EST


On Thursday 29 August 2013 10:28:52 H. Peter Anvin wrote:
> On 08/29/2013 10:13 AM, dl9pf@xxxxxx wrote:
> > From: Jan-Simon Möller <dl9pf@xxxxxx>
> >
> > Clang does not support the "shortcut" we're taking here for gcc (see
> > below).
> Read: clang is gratuitously incompatible with gcc.

Let's discuss this during the llvm track @ plumbers .

> > The patch extends and uses the macro _ASM_DX to do the job.
>
> You just changed the sematics of the _ASM_* macros... that doesn't seem
> like a great idea. It's probably okay for the registers, but still...
>

Well, we followed your idea for the _ASM_DX macros as you mentioned them
earlier.

I tested this change for both clang-3.3 and gcc-4.7.2 .

Best,
JS
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