[Mesa-dev] [PATCH] Port gallium to System z

[Brian Paul]

On Wed, Jun 5, 2013 at 2:26 AM, Richard Sandiford <
rsandifo at linux.vnet.ibm.com> wrote:

> The main change is to use MCJIT rather than the old JIT, which will never
> be supported for System z.  The endianness part is by example since the
> patch was tested on a glibc system.
>
> Signed-off-by: Richard Sandiford <rsandifo at linux.vnet.ibm.com>
> ---
>  src/gallium/auxiliary/gallivm/lp_bld_init.c | 2 +-
>  src/gallium/include/pipe/p_config.h         | 6 +++++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c
> b/src/gallium/auxiliary/gallivm/lp_bld_init.c
> index 050eba7..f0dc8cb 100644
> --- a/src/gallium/auxiliary/gallivm/lp_bld_init.c
> +++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
> @@ -49,7 +49,7 @@
>   *   - MC-JIT supports limited OSes (MacOSX and Linux)
>   * - standard JIT in LLVM 3.1, with backports
>   */
> -#if defined(PIPE_ARCH_PPC_64)
> +#if defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390)
>  #  define USE_MCJIT 1
>  #  define HAVE_AVX 0
>  #elif HAVE_LLVM >= 0x0302 || (HAVE_LLVM == 0x0301 &&
> defined(HAVE_JIT_AVX_SUPPORT))
> diff --git a/src/gallium/include/pipe/p_config.h
> b/src/gallium/include/pipe/p_config.h
> index 9a09cee..6b51160 100644
> --- a/src/gallium/include/pipe/p_config.h
> +++ b/src/gallium/include/pipe/p_config.h
> @@ -110,6 +110,10 @@
>  #endif
>  #endif
>
> +#if defined(__s390x__)
> +#define PIPE_ARCH_S390
> +#endif
> +
>
>  /*
>   * Endian detection.
> @@ -146,7 +150,7 @@
>
>  #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
>  #define PIPE_ARCH_LITTLE_ENDIAN
> -#elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64)
> +#elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) ||
> defined(PIPE_ARCH_S390)
>  #define PIPE_ARCH_BIG_ENDIAN
>  #endif
>
>
> Looks good to me.  I'll push this in a bit.

-Brian
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