[Mesa-dev] [PATCH] gallium: fix build failure on powerpcspe

[Michel Dänzer]

On Son, 2014-03-02 at 19:58 +0100, Julien Cristau wrote:
> From: Roland Stigge <stigge at antcom.de>
> 
> In the case of powerpc, mesa activates some altivec instructions
> that are unknown on the powerpcspe architecture (see
> https://wiki.debian.org/PowerPCSPEPort), causing a build failure as the
> 'vand' opcode is not recognized by the assembler.
> 
> This patch fixes this by preventing the PPC-specialcasing in case of
> powerpcspe (__NO_FPRS__ is only defined there).
> 
> https://bugs.debian.org/695746
> ---
>  src/gallium/include/pipe/p_config.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/src/gallium/include/pipe/p_config.h b/src/gallium/include/pipe/p_config.h
> index d603681..8189a73 100644
> --- a/src/gallium/include/pipe/p_config.h
> +++ b/src/gallium/include/pipe/p_config.h
> @@ -107,12 +107,14 @@
>  #endif
>  #endif
>  
> +#ifndef __NO_FPRS__
>  #if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__)
>  #define PIPE_ARCH_PPC
>  #if defined(__ppc64__) || defined(__PPC64__)
>  #define PIPE_ARCH_PPC_64
>  #endif
>  #endif
> +#endif
>  
>  #if defined(__s390x__)
>  #define PIPE_ARCH_S390

PIPE_ARCH_PPC* are also used for setting PIPE_ARCH_BIG_ENDIAN in
src/gallium/include/pipe/p_config.h, so I'm afraid this needs more work.


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer