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ggml: add RISC-V cpu-feats (#17461)

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* ggml: add RISC-V cpu-feats

Signed-off-by: Wang Yang <yangwang@iscas.ac.cn>

* fix comment[1]

---------

Signed-off-by: Wang Yang <yangwang@iscas.ac.cn>
This commit is contained in:
ixgbe
2025-11-24 13:07:14 +02:00
committed by GitHub
parent 4902eebe33
commit 5f55c385cb
3 changed files with 77 additions and 14 deletions
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ggml/src/ggml-cpu/CMakeLists.txt
+27 -14
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@@ -452,22 +452,35 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
ggml-cpu/spacemit/ime_kernels.h
)
endif()
set(MARCH_STR "rv64gc")
if (GGML_RV_ZFH)
string(APPEND MARCH_STR "_zfh")
endif()
if (GGML_XTHEADVECTOR)
string(APPEND MARCH_STR "_xtheadvector")
elseif (GGML_RVV)
string(APPEND MARCH_STR "_v")
if (GGML_RV_ZVFH)
string(APPEND MARCH_STR "_zvfh")
if(NOT GGML_CPU_ALL_VARIANTS)
set(MARCH_STR "rv64gc")
if (GGML_RV_ZFH)
string(APPEND MARCH_STR "_zfh")
endif()
if (GGML_XTHEADVECTOR)
string(APPEND MARCH_STR "_xtheadvector")
elseif (GGML_RVV)
string(APPEND MARCH_STR "_v")
if (GGML_RV_ZVFH)
string(APPEND MARCH_STR "_zvfh")
endif()
endif()
if (GGML_RV_ZICBOP)
string(APPEND MARCH_STR "_zicbop")
endif()
list(APPEND ARCH_FLAGS "-march=${MARCH_STR}" -mabi=lp64d)
else()
# Begin with the lowest baseline
set(ARCH_DEFINITIONS "")
if (GGML_INTERNAL_RVV)
message(STATUS "RVV enabled")
list(APPEND ARCH_DEFINITIONS GGML_USE_RVV)
list(APPEND ARCH_FLAGS -march=rv64gc_v -mabi=lp64d)
endif()
ggml_add_cpu_backend_features(${GGML_CPU_NAME} riscv ${ARCH_DEFINITIONS})
endif()
if (GGML_RV_ZICBOP)
string(APPEND MARCH_STR "_zicbop")
endif()
list(APPEND ARCH_FLAGS "-march=${MARCH_STR}" -mabi=lp64d)
elseif (GGML_SYSTEM_ARCH STREQUAL "s390x")
message(STATUS "s390x detected")
list(APPEND GGML_CPU_SOURCES