Add support for copying registers. still needed: spilling and reloading them

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26800 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index c7f33c8a15526a892eafe8cb6c7a12c443db2c36..429c9780b476e2b8dac8ff322d3e650142610526 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -25,7 +25,7 @@ bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
                                unsigned& sourceReg,
                                unsigned& destReg) const {
   MachineOpCode oc = MI.getOpcode();
-  if (oc == PPC::OR4 || oc == PPC::OR8 || 
+  if (oc == PPC::OR4 || oc == PPC::OR8 || oc == PPC::VOR ||
       oc == PPC::OR4To8 || oc == PPC::OR8To4) {                // or r1, r2, r2
     assert(MI.getNumOperands() == 3 &&
            MI.getOperand(0).isRegister() &&

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 3430fd6fd471827d96bd424c9d93ee20643541ee..e6c3f16b435262e313cf9fdfce2c3de78355514c 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -1009,6 +1009,9 @@ def VRSQRTEFP : VXForm_2<330, (ops VRRC:$vD, VRRC:$vB),
 def VSUBFP : VXForm_1<74, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
                       "vsubfp $vD, $vA, $vB", VecFP,
                       [(set VRRC:$vD, (fsub VRRC:$vA, VRRC:$vB))]>;
+def VOR : VXForm_1<1156, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
+                      "vor $vD, $vA, $vB", VecFP,
+                      []>;
 def VXOR : VXForm_1<1220, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
                       "vxor $vD, $vA, $vB", VecFP,
                       []>;
@@ -1151,6 +1154,7 @@ def : Pat<(v4i32 (load xoaddr:$src)),
 def : Pat<(store (v4i32 VRRC:$rS), xoaddr:$dst),
           (STVX (v4i32 VRRC:$rS), xoaddr:$dst)>;
 
+
 // Same as above, but using a temporary. FIXME: implement temporaries :)
 /*
 def : Pattern<(xor GPRC:$in, imm:$imm),

diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index d55bdc7627e84c59b246a122474f408414532851..c8d2f3a05540da09db915fa55b5212d88ac8593e 100644 (file)
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -110,6 +110,8 @@ void PPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
     BuildMI(MBB, MI, PPC::FMRD, 1, DestReg).addReg(SrcReg);
   } else if (RC == PPC::CRRCRegisterClass) {
     BuildMI(MBB, MI, PPC::MCRF, 1, DestReg).addReg(SrcReg);
+  } else if (RC == PPC::VRRCRegisterClass) {
+    BuildMI(MBB, MI, PPC::VOR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
   } else {
     std::cerr << "Attempt to copy register that is not GPR or FPR";
     abort();