[llvm-bugs] [Bug 24087] X86 intrinsic _mm_clmulepi64_si128 crashes with selection error

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Oct 19 16:11:04 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=24087

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |spatel+llvm at rotateright.com
         Resolution|---                         |FIXED

--- Comment #2 from Sanjay Patel <spatel+llvm at rotateright.com> ---
This looks good after:
http://reviews.llvm.org/rL250473

$ ./clang 24087.c
24087.c:4:10: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
  return _mm_clmulepi64_si128(a, b, 0x10);
         ^

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