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CMake: Add default compiler options for RISCV #5509

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Merged
martin-frbg merged 1 commit into from
Oct 17, 2025
+46 −0
Merged

CMake: Add default compiler options for RISCV #5509

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24 changes: 24 additions & 0 deletions cmake/cc.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -391,6 +391,30 @@ if (${CORE} STREQUAL PPCG4)
endif ()
endif ()


if ((${CORE} STREQUAL RISCV64_ZVL128B) OR (${CORE} STREQUAL RISCV64_ZVL256B))
set (RISCV64_OPT "rv64imafdcv")
if (BUILD_BFLOAT16)
set (RISCV64_OPT "${RISCV64_OPT}_zvfbfwma")
endif()
if (BUILD_HFLOAT16)
set (RISCV64_OPT "${RISCV64_OPT}_zvfh_zfh")
endif()
if (${CORE} STREQUAL RISCV64_ZVL256B)
set (CCOMMON_OPT "${CCOMMON_OPT} -march=${RISCV64_OPT}_zvl256b -mabi=lp64d")
endif()
if (${CORE} STREQUAL RISCV64_ZVL128B)
set (CCOMMON_OPT "${CCOMMON_OPT} -march=${RISCV64_OPT}_zvl128b -mabi=lp64d")
endif()
endif()
if (${CORE} STREQUAL RISCV64_GENERIC)
set (CCOMMON_OPT "${CCOMMON_OPT} -march=rv64imafdc -mabi=lp64d")
endif()
if (${CORE} STREQUAL x280)
set (CCOMMON_OPT "${CCOMMON_OPT} -march=rv64imafdcv_zba_zbb_zfh_zvl512b -mabi=lp64d")
endif()


if (NOT DYNAMIC_ARCH)
if (HAVE_AVX2)
set (CCOMMON_OPT "${CCOMMON_OPT} -mavx2")
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22 changes: 22 additions & 0 deletions cmake/system.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -381,6 +381,28 @@ if (${TARGET} STREQUAL NEOVERSEV1)
endif()
endif()

if ((${TARGET} STREQUAL RISCV64_ZVL128B) OR (${TARGET} STREQUAL RISCV64_ZVL256B))
set (RISCV64_OPT "rv64imafdcv")
if (BUILD_BFLOAT16)
set (RISCV64_OPT "${RISCV64_OPT}_zvfbfwma")
endif()
if (BUILD_HFLOAT16)
set (RISCV64_OPT "${RISCV64_OPT}_zvfh_zfh")
endif()
if (${TARGET} STREQUAL RISCV64_ZVL256B)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=${RISCV64_OPT}_zvl256b -mabi=lp64d")
endif()
if (${TARGET} STREQUAL RISCV64_ZVL128B)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=${RISCV64_OPT}_zvl128b -mabi=lp64d")
endif()
endif()
if (${TARGET} STREQUAL RISCV64_GENERIC)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=rv64imafdc -mabi=lp64d")
endif()
if (${TARGET} STREQUAL x280)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=rv64imafdcv_zba_zbb_zfh_zvl512b -mabi=lp64d")
endif()

endif()

if (DEFINED BINARY)
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