https://bugs.llvm.org/show_bug.cgi?id=39729
Bug ID: 39729
Summary: aarch64: Cannot select v8i8 = cttz
Product: new-bugs
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: danielwatson...@gmail.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
aarch64 llvm.cttz.v8i8 gets this error:
LLVM ERROR: Cannot select: 0x5642a6b49e70: v8i8 = cttz 0x5642a6b49c68
0x5642a6b49c68: v8i8,ch = CopyFromReg 0x5642a6ae17c8, Register:v8i8 %0
0x5642a6b49c00: v8i8 = Register %0
build with -march=aarch64
https://godbolt.org/z/kKAPMl
llvm: 8.0.0svn
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