[oe] [meta-oe][PATCH 1/2] Revert "opencv: disable broken Intel FP16 detection"

Randy MacLeod Randy.MacLeod at windriver.com
Tue May 2 18:46:54 UTC 2017


This reverts commit 51fbd3cf7db14399bc1c69c4a5fd63f157fd209d.

The long log was truncated due to a formatting error.

Signed-off-by: Randy MacLeod <Randy.MacLeod at windriver.com>
---
 .../0001-Revert-cuda-fix-fp16-compilation.patch    |  27 ---
 ...vert-check-FP16-build-condition-correctly.patch | 245 ---------------------
 meta-oe/recipes-support/opencv/opencv_3.2.bb       |   2 -
 3 files changed, 274 deletions(-)
 delete mode 100644 meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch
 delete mode 100644 meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch

diff --git a/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch b/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch
deleted file mode 100644
index 507d796..0000000
--- a/meta-oe/recipes-support/opencv/opencv/0001-Revert-cuda-fix-fp16-compilation.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-From 69f9707678190f6a0948a547dce948251f972676 Mon Sep 17 00:00:00 2001
-From: Randy MacLeod <Randy.MacLeod at windriver.com>
-Date: Wed, 26 Apr 2017 14:57:30 -0400
-Subject: [PATCH 1/2] Revert "cuda: fix fp16 compilation"
-
-This reverts commit 12e00827be40576b686ea4438a6e6ef85208743d.
----
- modules/core/include/opencv2/core/cvdef.h | 3 +--
- 1 file changed, 1 insertion(+), 2 deletions(-)
-
-diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
-index 699b166..efc24ca 100644
---- a/modules/core/include/opencv2/core/cvdef.h
-+++ b/modules/core/include/opencv2/core/cvdef.h
-@@ -303,8 +303,7 @@ enum CpuFeatures {
- #define CV_2PI 6.283185307179586476925286766559
- #define CV_LOG2 0.69314718055994530941723212145818
- 
--#if defined __ARM_FP16_FORMAT_IEEE \
--    && !defined __CUDACC__
-+#if defined (__ARM_FP16_FORMAT_IEEE)
- #  define CV_FP16_TYPE 1
- #else
- #  define CV_FP16_TYPE 0
--- 
-2.9.3
-
diff --git a/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch b/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch
deleted file mode 100644
index d1950a9..0000000
--- a/meta-oe/recipes-support/opencv/opencv/0002-Revert-check-FP16-build-condition-correctly.patch
+++ /dev/null
@@ -1,245 +0,0 @@
-From 9108e39e5584ef9b41f80751639b4ec72b3e9538 Mon Sep 17 00:00:00 2001
-From: Randy MacLeod <Randy.MacLeod at windriver.com>
-Date: Wed, 26 Apr 2017 15:00:32 -0400
-Subject: [PATCH 2/2] Revert "check FP16 build condition correctly"
-
-This reverts commit c7cb116dc08441fe56cf82d5b21f929e5b674c13.
-
-Fix up revert conflicts to take previous behaviour.
----
- cmake/OpenCVCompilerOptions.cmake         | 45 +++++++++--------------
- modules/core/include/opencv2/core/cvdef.h |  2 +-
- modules/core/src/convert.cpp              | 11 +++---
- modules/core/test/test_intrin.cpp         | 60 ++++++++++++++-----------------
- 4 files changed, 48 insertions(+), 70 deletions(-)
-
-diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
-index 5bb0479..4b19fdb 100644
---- a/cmake/OpenCVCompilerOptions.cmake
-+++ b/cmake/OpenCVCompilerOptions.cmake
-@@ -185,7 +185,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
-     add_extra_compiler_option("-mfp16-format=ieee")
-   endif(ARM)
-   if(ENABLE_NEON)
--    add_extra_compiler_option("-mfpu=neon")
-+    add_extra_compiler_option("-mfpu=neon-fp16")
-   endif()
-   if(ENABLE_VFPV3 AND NOT ENABLE_NEON)
-     add_extra_compiler_option("-mfpu=vfpv3")
-@@ -370,34 +370,6 @@ if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_OPENCV_GCC_VERSION_NUM GREATER 399)
-   add_extra_compiler_option(-fvisibility-inlines-hidden)
- endif()
- 
--if(NOT OPENCV_FP16_DISABLE AND NOT IOS)
--  if(ARM AND ENABLE_NEON)
--    set(FP16_OPTION "-mfpu=neon-fp16")
--  elseif((X86 OR X86_64) AND NOT MSVC AND ENABLE_AVX)
--    set(FP16_OPTION "-mf16c")
--  endif()
--  try_compile(__VALID_FP16
--    "${OpenCV_BINARY_DIR}"
--    "${OpenCV_SOURCE_DIR}/cmake/checks/fp16.cpp"
--    COMPILE_DEFINITIONS "-DCHECK_FP16" "${FP16_OPTION}"
--    OUTPUT_VARIABLE TRY_OUT
--    )
--  if(NOT __VALID_FP16)
--    if((X86 OR X86_64) AND NOT MSVC AND NOT ENABLE_AVX)
--      # GCC enables AVX when mf16c is passed
--      message(STATUS "FP16: Feature disabled")
--    else()
--      message(STATUS "FP16: Compiler support is not available")
--    endif()
--  else()
--    message(STATUS "FP16: Compiler support is available")
--    set(HAVE_FP16 1)
--    if(NOT ${FP16_OPTION} STREQUAL "")
--      add_extra_compiler_option(${FP16_OPTION})
--    endif()
--  endif()
--endif()
--
- #combine all "extra" options
- set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_C_FLAGS}")
- set(CMAKE_CXX_FLAGS         "${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}")
-@@ -450,6 +422,21 @@ if(MSVC)
-   endif()
- endif()
- 
-+if(NOT OPENCV_FP16_DISABLE)
-+  try_compile(__VALID_FP16
-+    "${OpenCV_BINARY_DIR}"
-+    "${OpenCV_SOURCE_DIR}/cmake/checks/fp16.cpp"
-+    COMPILE_DEFINITIONS "-DCHECK_FP16"
-+    OUTPUT_VARIABLE TRY_OUT
-+    )
-+  if(NOT __VALID_FP16)
-+    message(STATUS "FP16: Compiler support is not available")
-+  else()
-+    message(STATUS "FP16: Compiler support is available")
-+    set(HAVE_FP16 1)
-+  endif()
-+endif()
-+
- if(APPLE AND NOT CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{LDFLAGS} AND EXISTS "/usr/local/lib")
-   link_directories("/usr/local/lib")
- endif()
-diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
-index efc24ca..a10936b 100644
---- a/modules/core/include/opencv2/core/cvdef.h
-+++ b/modules/core/include/opencv2/core/cvdef.h
-@@ -312,7 +312,7 @@ enum CpuFeatures {
- typedef union Cv16suf
- {
-     short i;
--#if CV_FP16_TYPE
-+#if ( defined (__arm__) || defined (__aarch64__) ) && !defined (__CUDACC__) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
-     __fp16 h;
- #endif
-     struct _fp16Format
-diff --git a/modules/core/src/convert.cpp b/modules/core/src/convert.cpp
-index e04d89e..46db26f 100644
---- a/modules/core/src/convert.cpp
-+++ b/modules/core/src/convert.cpp
-@@ -44,7 +44,6 @@
- #include "precomp.hpp"
- 
- #include "opencl_kernels_core.hpp"
--#include "opencv2/core/hal/intrin.hpp"
- 
- #include "opencv2/core/openvx/ovx_defs.hpp"
- 
-@@ -4382,7 +4381,7 @@ struct Cvt_SIMD<float, int>
- 
- #endif
- 
--#if !CV_FP16_TYPE
-+#if !( ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) ) )
- // const numbers for floating points format
- const unsigned int kShiftSignificand    = 13;
- const unsigned int kMaskFp16Significand = 0x3ff;
-@@ -4390,7 +4389,7 @@ const unsigned int kBiasFp16Exponent    = 15;
- const unsigned int kBiasFp32Exponent    = 127;
- #endif
- 
--#if CV_FP16_TYPE
-+#if ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
- static float convertFp16SW(short fp16)
- {
-     // Fp16 -> Fp32
-@@ -4452,7 +4451,7 @@ static float convertFp16SW(short fp16)
- }
- #endif
- 
--#if CV_FP16_TYPE
-+#if ( defined (__arm__) || defined (__aarch64__) ) && ( defined (__GNUC__) && ( ( ( 4 <= __GNUC__ ) && ( 7 <= __GNUC__ ) ) || ( 5 <= __GNUC__ ) ) )
- static short convertFp16SW(float fp32)
- {
-     // Fp32 -> Fp16
-@@ -4560,7 +4559,7 @@ cvtScaleHalf_<float, short>( const float* src, size_t sstep, short* dst, size_t
-             if ( ( (intptr_t)dst & 0xf ) == 0 )
- #endif
-             {
--#if CV_FP16 && CV_SIMD128
-+#if CV_FP16
-                 for ( ; x <= size.width - 4; x += 4)
-                 {
-                     v_float32x4 v_src = v_load(src + x);
-@@ -4606,7 +4605,7 @@ cvtScaleHalf_<short, float>( const short* src, size_t sstep, float* dst, size_t
-             if ( ( (intptr_t)src & 0xf ) == 0 )
- #endif
-             {
--#if CV_FP16 && CV_SIMD128
-+#if CV_FP16
-                 for ( ; x <= size.width - 4; x += 4)
-                 {
-                     v_float16x4 v_src = v_load_f16(src + x);
-diff --git a/modules/core/test/test_intrin.cpp b/modules/core/test/test_intrin.cpp
-index 66b2083..7349d48 100644
---- a/modules/core/test/test_intrin.cpp
-+++ b/modules/core/test/test_intrin.cpp
-@@ -729,56 +729,48 @@ template<typename R> struct TheTest
-         return *this;
-     }
- 
-+#if CV_FP16
-     TheTest & test_loadstore_fp16()
-     {
--#if CV_FP16
-         AlignedData<R> data;
-         AlignedData<R> out;
- 
--        if(checkHardwareSupport(CV_CPU_FP16))
--        {
--            // check if addresses are aligned and unaligned respectively
--            EXPECT_EQ((size_t)0, (size_t)&data.a.d % 16);
--            EXPECT_NE((size_t)0, (size_t)&data.u.d % 16);
--            EXPECT_EQ((size_t)0, (size_t)&out.a.d % 16);
--            EXPECT_NE((size_t)0, (size_t)&out.u.d % 16);
--
--            // check some initialization methods
--            R r1 = data.u;
--            R r2 = v_load_f16(data.a.d);
--            R r3(r2);
--            EXPECT_EQ(data.u[0], r1.get0());
--            EXPECT_EQ(data.a[0], r2.get0());
--            EXPECT_EQ(data.a[0], r3.get0());
--
--            // check some store methods
--            out.a.clear();
--            v_store_f16(out.a.d, r1);
--            EXPECT_EQ(data.a, out.a);
--        }
-+        // check if addresses are aligned and unaligned respectively
-+        EXPECT_EQ((size_t)0, (size_t)&data.a.d % 16);
-+        EXPECT_NE((size_t)0, (size_t)&data.u.d % 16);
-+        EXPECT_EQ((size_t)0, (size_t)&out.a.d % 16);
-+        EXPECT_NE((size_t)0, (size_t)&out.u.d % 16);
-+
-+        // check some initialization methods
-+        R r1 = data.u;
-+        R r2 = v_load_f16(data.a.d);
-+        R r3(r2);
-+        EXPECT_EQ(data.u[0], r1.get0());
-+        EXPECT_EQ(data.a[0], r2.get0());
-+        EXPECT_EQ(data.a[0], r3.get0());
-+
-+        // check some store methods
-+        out.a.clear();
-+        v_store_f16(out.a.d, r1);
-+        EXPECT_EQ(data.a, out.a);
- 
-         return *this;
--#endif
-     }
- 
-     TheTest & test_float_cvt_fp16()
-     {
--#if CV_FP16
-         AlignedData<v_float32x4> data;
- 
--        if(checkHardwareSupport(CV_CPU_FP16))
--        {
--            // check conversion
--            v_float32x4 r1 = v_load(data.a.d);
--            v_float16x4 r2 = v_cvt_f16(r1);
--            v_float32x4 r3 = v_cvt_f32(r2);
--            EXPECT_EQ(0x3c00, r2.get0());
--            EXPECT_EQ(r3.get0(), r1.get0());
--        }
-+        // check conversion
-+        v_float32x4 r1 = v_load(data.a.d);
-+        v_float16x4 r2 = v_cvt_f16(r1);
-+        v_float32x4 r3 = v_cvt_f32(r2);
-+        EXPECT_EQ(0x3c00, r2.get0());
-+        EXPECT_EQ(r3.get0(), r1.get0());
- 
-         return *this;
--#endif
-     }
-+#endif
- 
- };
- 
--- 
-2.9.3
-
diff --git a/meta-oe/recipes-support/opencv/opencv_3.2.bb b/meta-oe/recipes-support/opencv/opencv_3.2.bb
index 98b6b06..2cff212 100644
--- a/meta-oe/recipes-support/opencv/opencv_3.2.bb
+++ b/meta-oe/recipes-support/opencv/opencv_3.2.bb
@@ -27,8 +27,6 @@ SRC_URI = "git://github.com/opencv/opencv.git;name=opencv \
     file://fixpkgconfig.patch \
     file://uselocalxfeatures.patch;patchdir=../contrib/ \
     file://useoeprotobuf.patch;patchdir=../contrib/ \
-    file://0001-Revert-cuda-fix-fp16-compilation.patch \
-    file://0002-Revert-check-FP16-build-condition-correctly.patch \
 "
 
 PV = "3.2+git${SRCPV}"
-- 
2.9.3




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