>From 7d2353aaf7509721461c141f2800962c15ff440c Mon Sep 17 00:00:00 2001 From: Logaprakash Ramajayam <logaprakash.ramaja...@multicorewareinc.com> Date: Wed, 2 Oct 2024 21:59:59 -0700 Subject: [PATCH] AArch64: Runtime CPU feature detection
---
.../make-aarch64-w64-mingw32-Makefiles.sh | 8 ++
.../msys/toolchain-aarch64-w64-mingw32.cmake | 8 ++
source/CMakeLists.txt | 21 +++--
source/common/CMakeLists.txt | 5 ++
source/common/cpu.cpp | 81 ++++++++++++++++++-
5 files changed, 114 insertions(+), 9 deletions(-)
create mode 100644 build/msys/make-aarch64-w64-mingw32-Makefiles.sh
create mode 100644 build/msys/toolchain-aarch64-w64-mingw32.cmake
diff --git a/build/msys/make-aarch64-w64-mingw32-Makefiles.sh
b/build/msys/make-aarch64-w64-mingw32-Makefiles.sh
new file mode 100644
index 000000000..eceffa4a9
--- /dev/null
+++ b/build/msys/make-aarch64-w64-mingw32-Makefiles.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# This will generate a cross-compile environment, compiling an aarch64
+# Win64 target from a 32bit MinGW32 host environment. If your MinGW
+# install is 64bit, you can use the native compiler batch file:
+# make-Makefiles.sh
+
+cmake -G "MSYS Makefiles"
-DCMAKE_TOOLCHAIN_FILE=toolchain-aarch64-w64-mingw32.cmake ../../source &&
cmake-gui ../../source
diff --git a/build/msys/toolchain-aarch64-w64-mingw32.cmake
b/build/msys/toolchain-aarch64-w64-mingw32.cmake
new file mode 100644
index 000000000..6607bdf64
--- /dev/null
+++ b/build/msys/toolchain-aarch64-w64-mingw32.cmake
@@ -0,0 +1,8 @@
+SET(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+SET(CMAKE_C_COMPILER aarch64-w64-mingw32-gcc)
+SET(CMAKE_CXX_COMPILER aarch64-w64-mingw32-g++)
+SET(CMAKE_RC_COMPILER aarch64-w64-mingw32-windres)
+SET(CMAKE_RANLIB aarch64-w64-mingw32-ranlib)
+SET(CMAKE_ASM_YASM_COMPILER yasm)
+SET(CROSS_COMPILE_ARM64 1)
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 13bc8ccfe..d1fe38559 100755
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -303,10 +303,12 @@ if(GCC)
endif()
endif()
+ set(ARM64_ARCH_ARGS "-O3")
if(CPU_HAS_NEON_DOTPROD)
# Neon DotProd is mandatory from Armv8.4.
message(STATUS "Found Neon DotProd")
- set(ARM_ARGS -O3 -march=armv8.2-a+dotprod)
+ set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod)
+ set(ARM_ARGS -O3)
add_definitions(-DHAVE_NEON_DOTPROD=1)
endif()
if(CPU_HAS_NEON_I8MM)
@@ -316,7 +318,8 @@ if(GCC)
if(NOT CPU_HAS_NEON_DOTPROD)
message(FATAL_ERROR "Unsupported AArch64 feature
combination (Neon I8MM without Neon DotProd)")
endif()
- set(ARM_ARGS -O3 -march=armv8.2-a+dotprod+i8mm)
+ set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod+i8mm)
+ set(ARM_ARGS -O3)
add_definitions(-DHAVE_NEON_I8MM=1)
endif()
if(CPU_HAS_SVE)
@@ -325,13 +328,15 @@ if(GCC)
if(NOT CPU_HAS_NEON_I8MM)
message(FATAL_ERROR "Unsupported AArch64 feature
combination (SVE without Neon I8MM)")
endif()
- set(ARM_ARGS -O3 -march=armv8.2-a+dotprod+i8mm+sve)
+ set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod+i8mm+sve)
+ set(ARM_ARGS -O3)
add_definitions(-DHAVE_SVE=1)
endif()
if(CPU_HAS_SVE2)
message(STATUS "Found SVE2")
# SVE2 is only available from Armv9.0, and armv9-a implies
+dotprod
- set(ARM_ARGS -O3 -march=armv9-a+i8mm+sve2)
+ set(ARM64_ARCH_ARGS -march=armv9-a+i8mm+sve2)
+ set(ARM_ARGS -O3)
add_definitions(-DHAVE_SVE2=1)
endif()
set(ARM_ARGS ${ARM_ARGS} -fPIC)
@@ -692,7 +697,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
add_custom_command(
OUTPUT ${ASM}.${SUFFIX}
COMMAND ${CMAKE_CXX_COMPILER}
- ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
${ASM}.${SUFFIX}
+ ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
${ASM_SRC} -o ${ASM}.${SUFFIX}
DEPENDS ${ASM_SRC})
endforeach()
if(CPU_HAS_SVE2)
@@ -703,7 +708,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
add_custom_command(
OUTPUT ${ASM}.${SUFFIX}
COMMAND ${CMAKE_CXX_COMPILER}
- ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
${ASM}.${SUFFIX}
+ ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
${ASM_SRC} -o ${ASM}.${SUFFIX}
DEPENDS ${ASM_SRC})
endforeach()
endif()
@@ -715,7 +720,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
add_custom_command(
OUTPUT ${ASM}.${SUFFIX}
COMMAND ${CMAKE_CXX_COMPILER}
- ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
${ASM}.${SUFFIX}
+ ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
${ASM_SRC} -o ${ASM}.${SUFFIX}
DEPENDS ${ASM_SRC})
endforeach()
endif()
@@ -727,7 +732,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
add_custom_command(
OUTPUT ${ASM}.${SUFFIX}
COMMAND ${CMAKE_CXX_COMPILER}
- ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
${ASM}.${SUFFIX}
+ ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
${ASM_SRC} -o ${ASM}.${SUFFIX}
DEPENDS ${ASM_SRC})
endforeach()
endif()
diff --git a/source/common/CMakeLists.txt b/source/common/CMakeLists.txt
index dc4a74107..33025cada 100644
--- a/source/common/CMakeLists.txt
+++ b/source/common/CMakeLists.txt
@@ -123,29 +123,34 @@ if(ENABLE_ASSEMBLY AND (ARM64 OR CROSS_COMPILE_ARM64))
set(ARM_ASMS_NEON_DOTPROD "${A_SRCS_NEON_DOTPROD}" CACHE INTERNAL "Arm
Assembly Sources that use the Neon DotProd extension")
foreach(SRC ${C_SRCS_NEON})
set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
+ set_source_files_properties( ${SRC} PROPERTIES COMPILE_FLAGS
${ARM64_ARCH_ARGS} )
endforeach()
if(CPU_HAS_NEON_I8MM)
foreach(SRC ${C_SRCS_NEON_I8MM})
set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
+ set_source_files_properties( aarch64/${SRC} PROPERTIES
COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
endforeach()
endif()
if(CPU_HAS_NEON_DOTPROD)
foreach(SRC ${C_SRCS_NEON_DOTPROD})
set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
+ set_source_files_properties( aarch64/${SRC} PROPERTIES
COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
endforeach()
endif()
if(CPU_HAS_SVE AND HAVE_SVE_BRIDGE)
foreach(SRC ${C_SRCS_SVE})
set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
+ set_source_files_properties( aarch64/${SRC} PROPERTIES
COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
endforeach()
endif()
if(CPU_HAS_SVE2 AND HAVE_SVE_BRIDGE)
foreach(SRC ${C_SRCS_SVE2})
set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
+ set_source_files_properties( aarch64/${SRC} PROPERTIES
COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
endforeach()
endif()
diff --git a/source/common/cpu.cpp b/source/common/cpu.cpp
index 61cdaadfb..a2b0ac081 100644
--- a/source/common/cpu.cpp
+++ b/source/common/cpu.cpp
@@ -391,7 +391,8 @@ uint32_t cpu_detect(bool benableavx512)
#elif X265_ARCH_ARM64
-uint32_t cpu_detect(bool benableavx512)
+#if defined(_MSC_VER) || defined(__APPLE__)
+uint32_t cpu_detect(bool /*benableavx512*/)
{
int flags = 0;
@@ -414,6 +415,84 @@ uint32_t cpu_detect(bool benableavx512)
return flags;
}
+// TODO: Support ARM on Windows
+#elif defined(__MINGW64__)
+
+#include <windows.h>
+#include <processthreadsapi.h>
+
+bool isOryonCPU()
+{
+
+ char processorName[128];
+ DWORD bufferSize = 128;
+
+ LONG result = RegGetValue(HKEY_LOCAL_MACHINE,
"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
"ProcessorNameString", RRF_RT_ANY, NULL, (PVOID)&processorName,
&bufferSize);
+ if (strstr(processorName, "Oryon") != NULL)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+uint32_t cpu_detect(bool /*benableavx512*/)
+{
+
+ int flags = 0;
+
+ #if HAVE_NEON
+ flags |= X265_CPU_NEON; // All of ARM64 has NEON
+ #endif
+ #if HAVE_NEON_DOTPROD && defined(PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE)
+ flags |=
IsProcessorFeaturePresent(PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE) ?
X265_CPU_NEON_DOTPROD : 0;
+ #endif
+ #if HAVE_NEON_I8MM
+ flags |= isOryonCPU() ? X265_CPU_NEON_I8MM : 0;
+ #endif
+ #if HAVE_SVE && defined(PF_ARM_SVE_INSTRUCTIONS_AVAILABLE)
+ flags |=
IsProcessorFeaturePresent(PF_ARM_SVE_INSTRUCTIONS_AVAILABLE) ? X265_CPU_SVE
: 0;
+ #endif
+ #if HAVE_SVE2 && defined(PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE)
+ flags |=
IsProcessorFeaturePresent(PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE) ?
X265_CPU_SVE2 : 0;
+ #endif
+
+ return flags;
+}
+
+#else // Linux+Aarch64
+
+#include <asm/hwcap.h>
+#include <sys/auxv.h>
+
+uint32_t cpu_detect(bool /*benableavx5128*/)
+{
+ unsigned long hwcaps = getauxval(AT_HWCAP);
+ unsigned long hwcaps2 = getauxval(AT_HWCAP2);
+
+ int flags = 0;
+
+ #if HAVE_NEON
+ flags |= X265_CPU_NEON; // All of ARM64 has NEON
+ #endif
+ #if HAVE_NEON_DOTPROD
+ flags |= (hwcaps & HWCAP_ASIMDDP ? X265_CPU_NEON_DOTPROD : 0);
+ #endif
+ #if HAVE_NEON_I8MM
+ flags |= (hwcaps2 & HWCAP2_I8MM ? X265_CPU_NEON_I8MM : 0);
+ #endif
+ #if HAVE_SVE
+ flags |= (hwcaps & HWCAP_SVE ? X265_CPU_SVE : 0);
+ #endif
+ #if HAVE_SVE2
+ flags |= (hwcaps2 & HWCAP2_SVE2 ? X265_CPU_SVE2 : 0);
+ #endif
+
+ return flags;
+}
+#endif // end of Linux+AArch64
+
#elif X265_ARCH_POWER8
uint32_t cpu_detect(bool benableavx512)
--
2.45.2
On Thu, Oct 3, 2024 at 3:26 PM Dash Santosh <
dash.sathyanaraya...@multicorewareinc.com> wrote:
> Hi Hari,
> Thanks for spotting this. Also added support for Windows on ARM. Please
> find below the updated patch:
>
>
> On Thu, Sep 26, 2024 at 11:43 AM Dash Santosh <
> dash.sathyanaraya...@multicorewareinc.com> wrote:
>
>> From e9614d170f93f3ad4f01e95abfed0a260f218bd5 Mon Sep 17 00:00:00 2001
>> From: Min Chen <chenm...@163.com>
>> Date: Sat, 14 Sep 2024 14:25:28 -0700
>> Subject: [PATCH] AArch64: Runtime CPU feature detection
>>
>> ---
>> source/CMakeLists.txt | 20 ++++++++++++--------
>> source/common/CMakeLists.txt | 5 +++++
>> source/common/cpu.cpp | 33 +++++++++++++++++++++++++++++++++
>> 3 files changed, 50 insertions(+), 8 deletions(-)
>>
>> diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
>> index 37b83f959..32a99206f 100755
>> --- a/source/CMakeLists.txt
>> +++ b/source/CMakeLists.txt
>> @@ -306,7 +306,8 @@ if(GCC)
>> if(CPU_HAS_NEON_DOTPROD)
>> # Neon DotProd is mandatory from Armv8.4.
>> message(STATUS "Found Neon DotProd")
>> - set(ARM_ARGS -O3 -march=armv8.2-a+dotprod)
>> + set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod)
>> + set(ARM_ARGS -O3)
>> add_definitions(-DHAVE_NEON_DOTPROD=1)
>> endif()
>> if(CPU_HAS_NEON_I8MM)
>> @@ -316,7 +317,8 @@ if(GCC)
>> if(NOT CPU_HAS_NEON_DOTPROD)
>> message(FATAL_ERROR "Unsupported AArch64 feature
>> combination (Neon I8MM without Neon DotProd)")
>> endif()
>> - set(ARM_ARGS -O3 -march=armv8.2-a+dotprod+i8mm)
>> + set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod+i8mm)
>> + set(ARM_ARGS -O3)
>> add_definitions(-DHAVE_NEON_I8MM=1)
>> endif()
>> if(CPU_HAS_SVE)
>> @@ -325,13 +327,15 @@ if(GCC)
>> if(NOT CPU_HAS_NEON_I8MM)
>> message(FATAL_ERROR "Unsupported AArch64 feature
>> combination (SVE without Neon I8MM)")
>> endif()
>> - set(ARM_ARGS -O3 -march=armv8.2-a+dotprod+i8mm+sve)
>> + set(ARM64_ARCH_ARGS -march=armv8.2-a+dotprod+i8mm+sve)
>> + set(ARM_ARGS -O3)
>> add_definitions(-DHAVE_SVE=1)
>> endif()
>> if(CPU_HAS_SVE2)
>> message(STATUS "Found SVE2")
>> # SVE2 is only available from Armv9.0, and armv9-a implies
>> +dotprod
>> - set(ARM_ARGS -O3 -march=armv9-a+i8mm+sve2)
>> + set(ARM64_ARCH_ARGS -march=armv9-a+i8mm+sve2)
>> + set(ARM_ARGS -O3)
>> add_definitions(-DHAVE_SVE2=1)
>> endif()
>> set(ARM_ARGS ${ARM_ARGS} -fPIC)
>> @@ -692,7 +696,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
>> add_custom_command(
>> OUTPUT ${ASM}.${SUFFIX}
>> COMMAND ${CMAKE_CXX_COMPILER}
>> - ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
>> ${ASM}.${SUFFIX}
>> + ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
>> ${ASM_SRC} -o ${ASM}.${SUFFIX}
>> DEPENDS ${ASM_SRC})
>> endforeach()
>> if(CPU_HAS_SVE2)
>> @@ -703,7 +707,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
>> add_custom_command(
>> OUTPUT ${ASM}.${SUFFIX}
>> COMMAND ${CMAKE_CXX_COMPILER}
>> - ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
>> ${ASM}.${SUFFIX}
>> + ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
>> ${ASM_SRC} -o ${ASM}.${SUFFIX}
>> DEPENDS ${ASM_SRC})
>> endforeach()
>> endif()
>> @@ -715,7 +719,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
>> add_custom_command(
>> OUTPUT ${ASM}.${SUFFIX}
>> COMMAND ${CMAKE_CXX_COMPILER}
>> - ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
>> ${ASM}.${SUFFIX}
>> + ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
>> ${ASM_SRC} -o ${ASM}.${SUFFIX}
>> DEPENDS ${ASM_SRC})
>> endforeach()
>> endif()
>> @@ -727,7 +731,7 @@ if((MSVC_IDE OR XCODE OR GCC) AND ENABLE_ASSEMBLY)
>> add_custom_command(
>> OUTPUT ${ASM}.${SUFFIX}
>> COMMAND ${CMAKE_CXX_COMPILER}
>> - ARGS ${ARM_ARGS} ${ASM_FLAGS} -c ${ASM_SRC} -o
>> ${ASM}.${SUFFIX}
>> + ARGS ${ARM_ARGS} ${ARM64_ARCH_ARGS} ${ASM_FLAGS} -c
>> ${ASM_SRC} -o ${ASM}.${SUFFIX}
>> DEPENDS ${ASM_SRC})
>> endforeach()
>> endif()
>> diff --git a/source/common/CMakeLists.txt b/source/common/CMakeLists.txt
>> index dc4a74107..33025cada 100644
>> --- a/source/common/CMakeLists.txt
>> +++ b/source/common/CMakeLists.txt
>> @@ -123,29 +123,34 @@ if(ENABLE_ASSEMBLY AND (ARM64 OR
>> CROSS_COMPILE_ARM64))
>> set(ARM_ASMS_NEON_DOTPROD "${A_SRCS_NEON_DOTPROD}" CACHE INTERNAL
>> "Arm Assembly Sources that use the Neon DotProd extension")
>> foreach(SRC ${C_SRCS_NEON})
>> set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
>> + set_source_files_properties( ${SRC} PROPERTIES COMPILE_FLAGS
>> ${ARM64_ARCH_ARGS} )
>> endforeach()
>>
>> if(CPU_HAS_NEON_I8MM)
>> foreach(SRC ${C_SRCS_NEON_I8MM})
>> set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
>> + set_source_files_properties( aarch64/${SRC} PROPERTIES
>> COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
>> endforeach()
>> endif()
>>
>> if(CPU_HAS_NEON_DOTPROD)
>> foreach(SRC ${C_SRCS_NEON_DOTPROD})
>> set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
>> + set_source_files_properties( aarch64/${SRC} PROPERTIES
>> COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
>> endforeach()
>> endif()
>>
>> if(CPU_HAS_SVE AND HAVE_SVE_BRIDGE)
>> foreach(SRC ${C_SRCS_SVE})
>> set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
>> + set_source_files_properties( aarch64/${SRC} PROPERTIES
>> COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
>> endforeach()
>> endif()
>>
>> if(CPU_HAS_SVE2 AND HAVE_SVE_BRIDGE)
>> foreach(SRC ${C_SRCS_SVE2})
>> set(ASM_PRIMITIVES ${ASM_PRIMITIVES} aarch64/${SRC})
>> + set_source_files_properties( aarch64/${SRC} PROPERTIES
>> COMPILE_FLAGS ${ARM64_ARCH_ARGS} )
>> endforeach()
>> endif()
>>
>> diff --git a/source/common/cpu.cpp b/source/common/cpu.cpp
>> index 61cdaadfb..24c60ff0e 100644
>> --- a/source/common/cpu.cpp
>> +++ b/source/common/cpu.cpp
>> @@ -391,6 +391,8 @@ uint32_t cpu_detect(bool benableavx512)
>>
>> #elif X265_ARCH_ARM64
>>
>> +// TODO: Support ARM on Windows
>> +#if _MSC_VER
>> uint32_t cpu_detect(bool benableavx512)
>> {
>> int flags = 0;
>> @@ -413,6 +415,37 @@ uint32_t cpu_detect(bool benableavx512)
>>
>> return flags;
>> }
>> +#else // Linux+Aarch64
>> +
>> +#include <asm/hwcap.h>
>> +#include <sys/auxv.h>
>> +
>> +uint32_t cpu_detect(bool benableavx512)
>> +{
>> + unsigned long hwcaps = getauxval(AT_HWCAP);
>> + unsigned long hwcaps2 = getauxval(AT_HWCAP2);
>> +
>> + int flags = 0;
>> +
>> + #if HAVE_NEON
>> + flags |= X265_CPU_NEON; // All of ARM64 has NEON
>> + #endif
>> + #if HAVE_NEON_DOTPROD
>> + flags |= (hwcaps & HWCAP_ASIMDDP ? X265_CPU_NEON_DOTPROD : 0);
>> + #endif
>> + #if HAVE_NEON_I8MM
>> + flags |= (hwcaps2 & HWCAP2_SVEI8MM ? X265_CPU_NEON_I8MM : 0);
>> + #endif
>> + #if HAVE_SVE
>> + flags |= (hwcaps & HWCAP_SVE ? X265_CPU_SVE : 0);
>> + #endif
>> + #if HAVE_SVE2
>> + flags |= (hwcaps2 & HWCAP2_SVE2 ? X265_CPU_SVE2 : 0);
>> + #endif
>> +
>> + return flags;
>> +}
>> +#endif // end of Linux+AArch64
>>
>> #elif X265_ARCH_POWER8
>>
>> --
>> 2.43.0.windows.1
>>
>>
>> --
>>
>> * <https://multicorewareinc.com/>*
>> <https://www.linkedin.com/company/multicoreware-inc/>
>> <https://twitter.com/MulticoreWare>
>> <https://www.facebook.com/multicoreware>
>> <https://www.youtube.com/channel/UCXZ1A1MzS5JwBqwBkNfsBBw?sub_confirmation=1>
>> <https://www.instagram.com/multicoreware.inc/>
>>
>> *Dash Santosh*
>>
>> *Research Engineer, Video Engineering*
>>
>> Mobile: +91 78679 43737
>>
>> IndiQube Echo Point, Avinashi Road
>>
>> Coimbatore - 641 014
>>
>>
>>
>>
>>
v2-0001-Aarch64-runtime-cpu-detection-windows-ARM.patch
Description: Binary data
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