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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.
This commit is contained in:
HAN Liutong
2021-12-03 23:13:24 +08:00
committed by GitHub
parent 8b4fa2605e
commit 4935b14539
3 changed files with 237 additions and 118 deletions
@@ -17,8 +17,11 @@ set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
# Don't run the linker on compiler check
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
set(CMAKE_C_FLAGS "-march=rv64gcv0p9 -menable-experimental-extensions --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-march=rv64gcv0p9 -menable-experimental-extensions --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CXX_FLAGS}")
set(CMAKE_C_FLAGS "-march=rv64gcv0p10 -menable-experimental-extensions --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-march=rv64gcv0p10 -menable-experimental-extensions --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CXX_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)