[PATCH] D47690: [X86][BMI][TBM] Only demand bottom 16-bits of the BEXTR control op (PR34042)

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 4 09:40:22 PDT 2018


craig.topper added a comment.

Ok its not the exact tbm-builtins.c test after all I think I had modified it when I was testing. This should fail

  #include <x86intrin.h>
  
  unsigned long long test__bextri_u64_bigint(unsigned long long a) {
    return __bextri_u64(a, 0x7ffffff00LL);
  }


Repository:
  rL LLVM

https://reviews.llvm.org/D47690





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