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Added cmake toolchain for RISC-V with clang.

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- Added cross compile cmake file for target riscv64-clang
- Extended cmake for RISC-V and added instruction checks
- Created intrin_rvv.hpp with C++ version universal intrinsics
This commit is contained in:
Zhangyin
2020-06-29 15:50:24 +08:00
parent 9039284d96
commit ff4c3873f2
9 changed files with 1782 additions and 0 deletions
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11
cmake/OpenCVCompilerOptimizations.cmake
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@@ -49,6 +49,7 @@ list(APPEND CPU_ALL_OPTIMIZATIONS "AVX512_COMMON;AVX512_KNL;AVX512_KNM;AVX512_SK
list(APPEND CPU_ALL_OPTIMIZATIONS NEON VFPV3 FP16)
list(APPEND CPU_ALL_OPTIMIZATIONS MSA)
list(APPEND CPU_ALL_OPTIMIZATIONS VSX VSX3)
list(APPEND CPU_ALL_OPTIMIZATIONS RVV)
list(REMOVE_DUPLICATES CPU_ALL_OPTIMIZATIONS)
ocv_update(CPU_VFPV3_FEATURE_ALIAS "")
@@ -102,6 +103,8 @@ ocv_optimization_process_obsolete_option(ENABLE_NEON NEON OFF)
ocv_optimization_process_obsolete_option(ENABLE_VSX VSX ON)
ocv_optimization_process_obsolete_option(ENABLE_RVV RVV OFF)
macro(ocv_is_optimization_in_list resultvar check_opt)
set(__checked "")
set(__queue ${ARGN})
@@ -366,6 +369,14 @@ elseif(PPC64LE)
set(CPU_DISPATCH "VSX3" CACHE STRING "${HELP_CPU_DISPATCH}")
set(CPU_BASELINE "VSX" CACHE STRING "${HELP_CPU_BASELINE}")
elseif(RISCV)
ocv_update(CPU_RVV_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_rvv.cpp")
ocv_update(CPU_KNOWN_OPTIMIZATIONS "RVV")
ocv_update(CPU_RVV_FLAGS_ON "")
set(CPU_DISPATCH "RVV" CACHE STRING "${HELP_CPU_DISPATCH}")
set(CPU_BASELINE "RVV" CACHE STRING "${HELP_CPU_BASELINE}")
endif()
# Helper values for cmake-gui