02/02: gnu: ceph: Disable SSE3 instructions.

[Marius Bakke]

mbakke pushed a commit to branch master
in repository guix.

commit 358b10b22b300e2d5c00e9f1413b778cdc4cb213
Author: Marius Bakke <address@hidden>
Date:   Thu Apr 20 18:57:16 2017 +0200

    gnu: ceph: Disable SSE3 instructions.
    
    Some early 64-bit AMD processors do not support this instruction set.
    
    * gnu/packages/patches/ceph-disable-cpu-optimizations.patch: Disable SSE3.
---
 .../patches/ceph-disable-cpu-optimizations.patch    | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/gnu/packages/patches/ceph-disable-cpu-optimizations.patch 
b/gnu/packages/patches/ceph-disable-cpu-optimizations.patch
index 6d20fe3..56a1654 100644
--- a/gnu/packages/patches/ceph-disable-cpu-optimizations.patch
+++ b/gnu/packages/patches/ceph-disable-cpu-optimizations.patch
@@ -1,12 +1,13 @@
-Disable CPU optimizations not supported by the vast majority of
-x86_64 systems. Also don't add anything for i686.
+Disable CPU optimizations not supported by all x86_64 systems. Also
+don't add anything for i686.
 
 --- a/cmake/modules/SIMDExt.cmake      2017-03-23 22:22:58.254071694 +0100
 +++ b/cmake/modules/SIMDExt.cmake      2017-03-23 22:23:22.446848845 +0100
-@@ -6,10 +6,6 @@
+@@ -5,11 +5,6 @@
+ # HAVE_ARM_NEON
  # HAVE_INTEL_SSE
  # HAVE_INTEL_SSE2
- # HAVE_INTEL_SSE3
+-# HAVE_INTEL_SSE3
 -# HAVE_INTEL_SSSE3
 -# HAVE_INTEL_PCLMUL
 -# HAVE_INTEL_SSE4_1
@@ -14,7 +15,7 @@ x86_64 systems. Also don't add anything for i686.
  #
  # SIMD_COMPILE_FLAGS
  #
-@@ -56,7 +53,7 @@
+@@ -56,7 +51,7 @@
    if(HAVE_ARM_NEON)
      set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mfpu=neon")
    endif()
@@ -23,10 +24,14 @@ x86_64 systems. Also don't add anything for i686.
    set(HAVE_INTEL 1)
    CHECK_C_COMPILER_FLAG(-msse HAVE_INTEL_SSE)
    if(HAVE_INTEL_SSE)
-@@ -70,20 +67,4 @@
-   if(HAVE_INTEL_SSE3)
-     set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3")
+@@ -66,24 +61,4 @@
+   if(HAVE_INTEL_SSE2)
+     set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse2")
    endif()
+-  CHECK_C_COMPILER_FLAG(-msse3 HAVE_INTEL_SSE3)
+-  if(HAVE_INTEL_SSE3)
+-    set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3")
+-  endif()
 -  CHECK_C_COMPILER_FLAG(-mssse3 HAVE_INTEL_SSSE3)
 -  if(HAVE_INTEL_SSSE3)
 -    set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mssse3")