http://llvm.org/bugs/show_bug.cgi?id=4031
Summary: no LLVM intrinsic for __builtin_ia32_ptestz128 SSE4.1
instruction
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
This causes _mm_testz_si128 to be unlowerable:
/home/edwin/llvm-bootstrap/install/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.2.1/include/smmintrin.h:258:
error: unsupported targetbuiltin â__builtin_ia32_ptestz128â used
I see that llc has +sse41, so I assume that LLVM wants to support sse4.1, so I
looked at LLVM LangRef, but didn't find a corresponding intrinsic to lower it
to.
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