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RISC-V: test for instruction extensions

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This commit is contained in:
SChernykh
2025-10-22 19:14:01 +02:00
parent 75b63ddde9
commit 985fe06e8d
4 changed files with 54 additions and 8 deletions
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12
cmake/flags.cmake
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@@ -31,10 +31,8 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv7-a -mfpu=neon -flax-vector-conversions")
add_definitions(-DHAVE_ROTR)
elseif (XMRIG_RISCV)
# RISC-V baseline: rv64gc (RV64IMAFD + Zicsr + Zifencei)
# Use rv64gc for broad compatibility, extensions will be detected at runtime
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=rv64gc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=rv64gc")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${RVARCH}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${RVARCH}")
add_definitions(-DHAVE_ROTR)
else()
@@ -86,10 +84,8 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon -march=${CMAKE_SYSTEM_PROCESSOR}")
add_definitions(-DHAVE_ROTR)
elseif (XMRIG_RISCV)
# RISC-V baseline: rv64gc (RV64IMAFD + Zicsr + Zifencei)
# Use rv64gc for broad compatibility, extensions will be detected at runtime
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=rv64gc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=rv64gc")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${RVARCH}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${RVARCH}")
add_definitions(-DHAVE_ROTR)
else()