gentoo-overlay/media-libs/opencv/files/opencv-3.2.0-fix_ussage_cpu_instructions.patch

--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -164,8 +164,6 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   # Other optimizations
   if(ENABLE_OMIT_FRAME_POINTER)
     add_extra_compiler_option(-fomit-frame-pointer)
-  else()
-    add_extra_compiler_option(-fno-omit-frame-pointer)
   endif()
   if(ENABLE_FAST_MATH)
     add_extra_compiler_option(-ffast-math)
@@ -195,8 +193,6 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   if(NOT MINGW)
     if(ENABLE_AVX)
       add_extra_compiler_option(-mavx)
-    elseif(X86 OR X86_64)
-      add_extra_compiler_option(-mno-avx)
     endif()
     if(ENABLE_AVX2)
       add_extra_compiler_option(-mavx2)
@@ -210,26 +206,18 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     if(NOT OPENCV_EXTRA_CXX_FLAGS MATCHES "-mavx")
       if(ENABLE_SSE3)
         add_extra_compiler_option(-msse3)
-      elseif(X86 OR X86_64)
-        add_extra_compiler_option(-mno-sse3)
       endif()
 
       if(ENABLE_SSSE3)
         add_extra_compiler_option(-mssse3)
-      elseif(X86 OR X86_64)
-        add_extra_compiler_option(-mno-ssse3)
       endif()
 
       if(ENABLE_SSE41)
         add_extra_compiler_option(-msse4.1)
-      elseif(X86 OR X86_64)
-        add_extra_compiler_option(-mno-sse4.1)
       endif()
 
       if(ENABLE_SSE42)
         add_extra_compiler_option(-msse4.2)
-      elseif(X86 OR X86_64)
-        add_extra_compiler_option(-mno-sse4.2)
       endif()
 
       if(ENABLE_POPCNT)
@@ -238,16 +226,6 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     endif()
   endif(NOT MINGW)
 
-  if(X86 OR X86_64)
-    if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
-      if(OPENCV_EXTRA_CXX_FLAGS MATCHES "-m(sse2|avx)")
-        add_extra_compiler_option(-mfpmath=sse)# !! important - be on the same wave with x64 compilers
-      else()
-        add_extra_compiler_option(-mfpmath=387)
-      endif()
-    endif()
-  endif()
-
   # Profiling?
   if(ENABLE_PROFILING)
     add_extra_compiler_option("-pg -g"