[LLVMdev] Clang error - CPU feature not currently enabled

[Jim Grosbach]

Yep. That diagnostic is terrible.

As of r167937 we get:
error: instruction requires: 32-bit mode
jmp *%edx
^

-Jim


On Nov 14, 2012, at 8:41 AM, Eric Christopher <echristo at gmail.com> wrote:

> Most likely candidate for sure. Not a helpful error message though :(
> 
> -eric
> 
> 
> On Wed, Nov 14, 2012 at 8:17 AM, Craig Topper <craig.topper at gmail.com> wrote:
>  I believe it's failing on 64-bit because that's a 32-bit indirect jump. 64-bit needs jmp *%rdx.
> 
> 
> On Wednesday, November 14, 2012, Shaltiel, Alon wrote:
>  
> 
>  
> 
> From: Shaltiel, Alon 
> Sent: Wednesday, November 14, 2012 11:39 AM
> To: 'llvmdev at cs.uiuc.edu'
> Subject: Clang error - CPU feature not currently enabled
> 
>  
> 
> Hello,
> 
> I’m trying to use clang to compile a file on Mac OS (x86_64) and get the following error.
> 
>  
> 
> <inline asm>:4:2: error: instruction requires a CPU feature not currently enabled
> 
>         jmp *%edx
> 
>         ^
> 
> fatal error: error in backend: Error parsing inline asm
> 
>  
> 
> This file does compile on an Ubuntu 32bit machine
> 
>  
> 
> I checked on google and didn’t find anything helpful about it.
> 
> Does anyone know what CPU feature this instruction requires?
> 
>  
> 
> Thanks,
> 
> Alon
> 
>  
> 
> PS
> 
> Sorry for the Subject mistake in the last email
> 
>  
> 
> 
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> -- 
> ~Craig
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