[LLVMbugs] [Bug 20072] New: don't know how to split avx.storeu.ps.256 operand

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Jun 17 21:43:51 PDT 2014


            Bug ID: 20072
           Summary: don't know how to split avx.storeu.ps.256 operand
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: nlewycky at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ clang -c

SplitVectorOperand Op #3: 0x72b6208: ch = llvm.x86.avx.storeu.ps.256 0x729ecd0,
0x72b5ad0, 0x72b5bd8, 0x72b6100 [ORD=2] [ID=0]

fatal error: error in backend: Do not know how to split this operator's


__attribute__((__vector_size__(32))) int a;
void test() { __builtin_ia32_storeups256(0, a); }

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