riscv: add rvv support #102
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The build failed due to missing <algorithm> header when using std::remove in the C++17 test section. The compiler incorrectly resolved to the C library remove() function instead of STL algorithm. This change: 1. Adds explicit #include <algorithm> for STL algorithms Fixes compilation error: error: cannot convert 'ValueIterator' to 'const char*' note: initializing argument 1 of 'int remove(const char*)'
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Summary
This pull request introduces support for the RISC-V Vector Extension (RVV) with 128-bit vector size in the sonic-cpp library.
Key Changes
CMake Configuration:
Added a new build option ENABLE_RVV_128 to enable RVV support.
Updated set_arch_flags.cmake to include RVV-specific compile options.
RVV-Specific Implementations:
Added RVV-specific architecture files under include/sonic/internal/arch/rvv-128/.
Implemented various SIMD operations for RVV, including string processing, integer conversion, and JSON quoting.
Test Results