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Open Source Computer Vision Library https://opencv.org/
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opencv/platforms/linux/riscv64-clang.toolchain.cmake

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Added cmake toolchain for RISC-V with clang. - 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
4 years ago
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR riscv64)
set(RISCV_CLANG_BUILD_ROOT /opt/rvv-llvm CACHE PATH "Path to CLANG for RISC-V cross compiler build directory")
set(RISCV_GCC_INSTALL_ROOT /opt/RISCV CACHE PATH "Path to GCC for RISC-V cross compiler installation directory")
set(CMAKE_SYSROOT ${RISCV_GCC_INSTALL_ROOT}/sysroot CACHE PATH "RISC-V sysroot")
set(CLANG_TARGET_TRIPLE riscv64-unknown-linux-gnu)
set(CMAKE_C_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
set(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
set(CMAKE_CXX_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang++)
set(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
set(CMAKE_ASM_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
# Don't run the linker on compiler check
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
Update clang toolchain for RVV.
3 years ago
set(CMAKE_C_FLAGS "-march=rv64gcv --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-march=rv64gcv --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CXX_FLAGS}")
Merge pull request #21012 from hanliutong:rvv_clang Update RVV backend for using Clang. * Update cmake file of clang. * Modify the RVV optimization on DNN to adapt to clang. * Modify intrin_rvv: Disable some existing types. * Modify intrin_rvv: Reinterpret instead of load&cast. * Modify intrin_rvv: Update load&store without cast. * Modify intrin_rvv: Rename vfredsum to fredosum. * Modify intrin_rvv: Rewrite Check all/any by using vpopc. * Modify intrin_rvv: Use reinterpret instead of c-style casting. * Remove all macros which is not used in v_reinterpret * Rename vpopc to vcpop according to spec.
3 years ago
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
Added cmake toolchain for RISC-V with clang. - 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
4 years ago
set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)