Disable architecture specific SIMD optimisations

Gbp-Pq: Name 0004-Disable-architecture-specific-SIMD-optimisations.patch

1 files changed, 5 insertions, 51 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fad9252..d5c9892 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,7 +77,6 @@ option(ENABLE_ASAN     "Enable gcc address sanitizer"             OFF)
 
 option(USE_LTE_RATES   "Use standard LTE sampling rates"          OFF)
 
-set(GCC_ARCH native CACHE STRING "GCC compile for specific architecture.")
 
 
 ########################################################################
@@ -246,24 +245,14 @@ macro(ADD_CXX_COMPILER_FLAG_IF_AVAILABLE flag have)
 endmacro(ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${GCC_ARCH} -Wall -Wno-comment -Wno-reorder -Wno-unused-but-set-variable -Wno-unused-variable -Wformat -Wmissing-field-initializers -Wtype-limits -std=c++03")
-
-  find_package(SSE)
-  if (HAVE_AVX2)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
-  else (HAVE_AVX2)
-    if(HAVE_AVX)
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
-    elseif(HAVE_SSE)
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
-    endif(HAVE_AVX)
-  endif (HAVE_AVX2)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-comment -Wno-reorder -Wno-unused-but-set-variable -Wno-unused-variable -Wformat -Wmissing-field-initializers -Wtype-limits -std=c++03")
+
 endif(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 
 ADD_CXX_COMPILER_FLAG_IF_AVAILABLE("-Werror=incompatible-pointer-types" HAVE_ERROR_INCOMPATIBLE)
 
 if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -Wall -Wno-comment -Wno-write-strings -Winline -Wno-unused-result -Wformat -Wmissing-field-initializers -Wtype-limits -std=c99 -D_GNU_SOURCE")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-comment -Wno-write-strings -Winline -Wno-unused-result -Wformat -Wmissing-field-initializers -Wtype-limits -std=c99 -D_GNU_SOURCE")
 
   if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb -O0 -DDEBUG_MODE -DBUILD_TYPE_DEBUG")
@@ -283,45 +272,10 @@ if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DFORCE_STANDARD_RATE")
   endif (USE_LTE_RATES)
 
-  find_package(SSE)
-  if (HAVE_AVX2)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
-  else (HAVE_AVX2)
-    if(HAVE_AVX)
-      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
-    elseif(HAVE_SSE)
-      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
-    endif(HAVE_AVX)
-  endif (HAVE_AVX2)
-
-  if (HAVE_FMA)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfma -DLV_HAVE_FMA")
-  endif (HAVE_FMA)
-
-  if (HAVE_AVX512)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512f -mavx512cd -DLV_HAVE_AVX512")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mavx512cd -DLV_HAVE_AVX512")
-  endif(HAVE_AVX512)
-
-  if(NOT ${CMAKE_BUILD_TYPE} STREQUAL "Debug")
-    if(HAVE_SSE)
-      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast -funroll-loops")
-    endif(HAVE_SSE)
-  endif(NOT ${CMAKE_BUILD_TYPE} STREQUAL "Debug")
+
 
   
-  if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
-    set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} -mfpu=neon -march=native -DIS_ARM -DHAVE_NEON")
-    message(STATUS "have ARM")
-    set(HAVE_NEON "True")
-  else(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
-    set(HAVE_NEON "False")
-  endif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
-  set(CMAKE_REQUIRED_FLAGS ${CMAKE_C_FLAGS})
-
- if(NOT HAVE_SSE AND NOT HAVE_NEON AND NOT DISABLE_SIMD)
-  message(FATAL_ERROR "no SIMD instructions found")
- endif(NOT HAVE_SSE AND NOT HAVE_NEON AND NOT DISABLE_SIMD)
+
 
   if(NOT WIN32)
       ADD_CXX_COMPILER_FLAG_IF_AVAILABLE(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN)