craig.topper added inline comments.
================
Comment at: clang/lib/Headers/ia32intrin.h:418
+ __extension__({
\
+ *(a) = (unsigned)__bsfd((int)(b));
\
+ (unsigned char)((b) != 0);
\
----------------
This store also needs to be conditional on b being non-zero
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D75723/new/
https://reviews.llvm.org/D75723
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