diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCISelPattern.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelPattern.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp index fb2a93c718..2f09a63959 100644 --- a/lib/Target/PowerPC/PPCISelPattern.cpp +++ b/lib/Target/PowerPC/PPCISelPattern.cpp @@ -1738,12 +1738,16 @@ unsigned ISel::SelectExpr(SDOperand N, bool Recording) { case MVT::i32: { int v = (int)cast<ConstantSDNode>(N)->getSignExtended(); - if (v < 32768 && v >= -32768) { - BuildMI(BB, PPC::LI, 1, Result).addSImm(v); - } else { + unsigned Hi = Hi16(v); + unsigned Lo = Lo16(v); + if (Hi && Lo) { Tmp1 = MakeIntReg(); - BuildMI(BB, PPC::LIS, 1, Tmp1).addSImm(v >> 16); - BuildMI(BB, PPC::ORI, 2, Result).addReg(Tmp1).addImm(v & 0xFFFF); + BuildMI(BB, PPC::LIS, 1, Tmp1).addSImm(Hi); + BuildMI(BB, PPC::ORI, 2, Result).addReg(Tmp1).addImm(Lo); + } else if (Lo) { + BuildMI(BB, PPC::LI, 1, Result).addSImm(Lo); + } else { + BuildMI(BB, PPC::LIS, 1, Result).addSImm(Hi); } } } |