x265的arm补丁

x265-arm patch

diff -urN a/source/CMakeLists.txt b/source/CMakeLists.txt
--- a/source/CMakeLists.txt 2015-02-10 14:15:13.000000000 -0700
+++ b/source/CMakeLists.txt 2015-02-12 06:25:01.334927114 -0700
@@ -46,10 +46,18 @@
         set(X64 1)
         add_definitions(-DX86_64=1)
     endif()
+elseif(${SYSPROC} MATCHES "armv5.*")
+    message(STATUS "Detected ARMV5 system processor")
+    set(ARMV5 1)
+    add_definitions(-DX265_ARCH_ARM=1 -DHAVE_ARMV6=0 -DHAVE_NEON=0)
 elseif(${SYSPROC} STREQUAL "armv6l")
-    message(STATUS "Detected ARM target processor")
-    set(ARM 1)
-    add_definitions(-DX265_ARCH_ARM=1 -DHAVE_ARMV6=1)
+    message(STATUS "Detected ARMV6 system processor")
+    set(ARMV6 1)
+    add_definitions(-DX265_ARCH_ARM=1 -DHAVE_ARMV6=1 -DHAVE_NEON=0)
+elseif(${SYSPROC} STREQUAL "armv7l")
+    message(STATUS "Detected ARMV7 system processor")
+    set(ARMV7 1)
+    add_definitions(-DX265_ARCH_ARM=1 -DHAVE_ARMV6=1 -DHAVE_NEON=0)
 else()
     message(STATUS "CMAKE_SYSTEM_PROCESSOR value `${CMAKE_SYSTEM_PROCESSOR}` is unknown")
     message(STATUS "Please add this value near ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE}")
@@ -133,8 +141,8 @@
     if(X86 AND NOT X64)
         add_definitions(-march=i686)
     endif()
-    if(ARM)
-        add_definitions(-march=armv6 -mfloat-abi=hard -mfpu=vfp)
+    if(ARMV7)
+        add_definitions(-fPIC)
     endif()
     check_cxx_compiler_flag(-Wno-narrowing CC_HAS_NO_NARROWING) 
     check_cxx_compiler_flag(-Wno-array-bounds CC_HAS_NO_ARRAY_BOUNDS) 
diff -urN a/source/common/cpu.cpp b/source/common/cpu.cpp
--- a/source/common/cpu.cpp 2015-02-10 14:15:13.000000000 -0700
+++ b/source/common/cpu.cpp 2015-02-12 06:25:01.334927114 -0700
@@ -37,7 +37,7 @@
 #include <machine/cpu.h>
 #endif
 
-#if X265_ARCH_ARM && !defined(HAVE_NEON)
+#if X265_ARCH_ARM && (!defined(HAVE_NEON) || HAVE_NEON==0)
 #include <signal.h>
 #include <setjmp.h>
 static sigjmp_buf jmpbuf;
@@ -340,7 +340,6 @@
     }
 
     canjump = 1;
-    x265_cpu_neon_test();
     canjump = 0;
     signal(SIGILL, oldsig);
 #endif // if !HAVE_NEON
@@ -356,7 +355,7 @@
     // which may result in incorrect detection and the counters stuck enabled.
     // right now Apple does not seem to support performance counters for this test
 #ifndef __MACH__
-    flags |= x265_cpu_fast_neon_mrc_test() ? X265_CPU_FAST_NEON_MRC : 0;
+    //flags |= x265_cpu_fast_neon_mrc_test() ? X265_CPU_FAST_NEON_MRC : 0;
 #endif
     // TODO: write dual issue test? currently it's A8 (dual issue) vs. A9 (fast mrc)
 #endif // if HAVE_ARMV6