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Last COPY conversion.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108387 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-07-14 23:58:21 +00:00
parent 273ff31e13
commit 6881898eb5
1 changed files with 2 additions and 3 deletions
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5
lib/Target/X86/X86FastISel.cpp
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@ -1279,12 +1279,11 @@ bool X86FastISel::X86SelectTrunc(const Instruction *I) {
return false;
// First issue a copy to GR16_ABCD or GR32_ABCD.
unsigned CopyOpc = (SrcVT == MVT::i16) ? X86::MOV16rr : X86::MOV32rr;
const TargetRegisterClass *CopyRC = (SrcVT == MVT::i16)
? X86::GR16_ABCDRegisterClass : X86::GR32_ABCDRegisterClass;
unsigned CopyReg = createResultReg(CopyRC);
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(CopyOpc), CopyReg)
.addReg(InputReg);
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
CopyReg).addReg(InputReg);
// Then issue an extract_subreg.
unsigned ResultReg = FastEmitInst_extractsubreg(MVT::i8,