<div dir="ltr">Hi,<div><br></div><div style>I'm trying to use the SSE4.2's instruction _mm_crc32_u64 and also added -msse4.2 flag in the makefile, but yet I get this error when I try to compile my code with clang/llvm.</div>
<div style><br></div><div style><div>LLVM ERROR: Cannot select: intrinsic %llvm.x86.sse42.crc32.64.64</div><div><br></div><div style>I also tried to pass -march=native, but still no luck.</div></div></div>