craig.topper added a comment.
Does icc have an intrinsic for it?
http://reviews.llvm.org/D11752
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erikjv added a comment.
GCC doesn't define this, but icc does. Just like e.g. __AVX512CD__, it can be
used to conditionally enable code that uses the instruction as a fast
implementation for an algorithm.
http://reviews.llvm.org/D11752
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craig.topper added a comment.
What utility does __MOVBE__ serve? We don't have an instrinsic headers that
needs this like the others. As far as I can tell gcc doesn't define this.
http://reviews.llvm.org/D11752
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