https://bugs.llvm.org/show_bug.cgi?id=40014
Bug ID: 40014
Summary: __lzcnt32() should be __lzcnt() in lzcntintrin.h
Product: clang
Version: 7.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Headers
Assignee: unassignedclangb...@nondot.org
Reporter: cerick...@curedev.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
In the lzcntintrin.h, the 32-bit version of lzcnt should be named __lzcnt(),
not __lzcnt32().
This causes linker errors when compiling with ms compatibility because the
correct prototype is in intrin.h:
unsigned int __lzcnt(unsigned int);
See https://docs.microsoft.com/en-us/cpp/intrinsics/lzcnt16-lzcnt-lzcnt64 for
reference.
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