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2011 Mar 22
0
[LLVMdev] sitofp inst selection in x86/AVX target [PR9473]
...o that existing
VCVTSI2SD definition takes effect only in asm parser.
Example solution is as follows.
lib/Target/X86/x86InstrSSE.td
...
multiclass sse12_vcvt_avx_s<bits<8> opc, RegisterClass SrcRC,
RegisterClass DstRC,
SDNode OpNode, X86MemOperand x86memop, PatFrag ld_frag,
string asm> {
def rr : SI<opc, MRMSrcReg, (outs DstRC:$dst), (ins SrcRC:$src), asm,
[(set DstRC:$dst, (OpNode SrcRC:$src))]>;
def rm : SI<opc, MRMSrcMem, (outs DstRC:$dst), (ins x86memop:$src), asm,
[(set DstRC:$d...