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

[Richard Sandiford]

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
 
-- 
1.7.11.7