[PATCH] D11354: [X86][AVX512F] add arithmetic intrinsics

[Michael Kuperstein]

mkuper added inline comments.

================
Comment at: lib/Headers/avx512fintrin.h:55
@@ +54,3 @@
+_mm512_undefined_ps (void) {
+  __m512 __Y = __Y;
+  return __Y;
----------------
What we need here is an undef value.
Are you sure this doesn't invoke undefined behavior?

My gut feeling is that the way to properly get an undef value would be to use a __builtin that evaluates to undef.


Repository:
  rL LLVM

http://reviews.llvm.org/D11354