798a69b716
Self contained arrow version is 6.0.1 which has no RISC-V
support. The build error looks like:
CMake Error at cmake_modules/SetupCxxFlags.cmake:439 (message):
SSE4.2 required but compiler doesn't support it.
42 lines
1.8 KiB
Diff
42 lines
1.8 KiB
Diff
diff --git a/src/arrow/cpp/cmake_modules/SetupCxxFlags.cmake b/src/arrow/cpp/cmake_modules/SetupCxxFlags.cmake
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index c1a1ba0..84f224b 100644
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--- a/src/arrow/cpp/cmake_modules/SetupCxxFlags.cmake
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+++ b/src/arrow/cpp/cmake_modules/SetupCxxFlags.cmake
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@@ -32,6 +32,8 @@ if(NOT DEFINED ARROW_CPU_FLAG)
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set(ARROW_CPU_FLAG "ppc")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
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set(ARROW_CPU_FLAG "s390x")
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+ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
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+ set(ARROW_CPU_FLAG "riscv64")
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else()
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set(ARROW_CPU_FLAG "x86")
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endif()
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diff --git a/src/arrow/cpp/src/arrow/vendored/fast_float/float_common.h b/src/arrow/cpp/src/arrow/vendored/fast_float/float_common.h
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index f7b7662..c1fe08d 100644
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--- a/src/arrow/cpp/src/arrow/vendored/fast_float/float_common.h
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+++ b/src/arrow/cpp/src/arrow/vendored/fast_float/float_common.h
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@@ -10,7 +10,7 @@
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|| defined(__MINGW64__) \
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|| defined(__s390x__) \
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|| (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || defined(__PPC64LE__)) \
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- || defined(__EMSCRIPTEN__))
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+ || defined(__EMSCRIPTEN__) || defined(__riscv))
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#define FASTFLOAT_64BIT
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#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) \
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|| defined(__arm__) \
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diff --git a/src/common/Cycles.h b/src/common/Cycles.h
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index b546479..14bc6bf 100644
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--- a/src/common/Cycles.h
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+++ b/src/common/Cycles.h
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@@ -84,6 +84,10 @@ class Cycles {
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uint64_t tsc;
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asm volatile("stck %0" : "=Q" (tsc) : : "cc");
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return tsc;
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+#elif defined(__riscv) && __riscv_xlen == 64
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+ uint64_t tsc;
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+ asm volatile ("rdcycle %0" : "=r" (tsc));
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+ return tsc;
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#else
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#warning No high-precision counter available for your OS/arch
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return 0;
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