[PATCH] D69979: clang: Guess at some platform FTZ/DAZ default settings

[Craig Topper via Phabricator via cfe-commits]

craig.topper added a comment.

I checked Redhat 7.4 that's on the server I'm using for work. And I had a 
coworker check his Ubuntu 18.04 system with this program. And both systems 
printed 1f80 as the value of MXCSR which shows FTZ and DAZ are both 0. Are you 
seeing something different?

  #include <x86intrin.h>
  #include <stdio.h>
  
  int main() {
    int csr = _mm_getcsr();
    printf("%x\n", csr);
    return 0;
  }


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69979/new/

https://reviews.llvm.org/D69979



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