Add a bunch of new instructions for intrinsics.

[oota-llvm.git] / lib / Target / PowerPC / PPCInstrInfo.cpp

diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 2f7665907a4df40e2acb5c80a6f0f57268703b07..037928fb315a8e2ddbcbaef55e6c8551cf2abb20 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -25,7 +25,8 @@ bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
                                unsigned& sourceReg,
                                unsigned& destReg) const {
   MachineOpCode oc = MI.getOpcode();
-  if (oc == PPC::OR) {                      // or r1, r2, r2
+  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() &&
            MI.getOperand(1).isRegister() &&
@@ -78,6 +79,42 @@ bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
   return false;
 }
 
+unsigned PPCInstrInfo::isLoadFromStackSlot(MachineInstr *MI, 
+                                           int &FrameIndex) const {
+  switch (MI->getOpcode()) {
+  default: break;
+  case PPC::LD:
+  case PPC::LWZ:
+  case PPC::LFS:
+  case PPC::LFD:
+    if (MI->getOperand(1).isImmediate() && !MI->getOperand(1).getImmedValue() &&
+        MI->getOperand(2).isFrameIndex()) {
+      FrameIndex = MI->getOperand(2).getFrameIndex();
+      return MI->getOperand(0).getReg();
+    }
+    break;
+  }
+  return 0;
+}
+
+unsigned PPCInstrInfo::isStoreToStackSlot(MachineInstr *MI, 
+                                          int &FrameIndex) const {
+  switch (MI->getOpcode()) {
+  default: break;
+  case PPC::STD:
+  case PPC::STW:
+  case PPC::STFS:
+  case PPC::STFD:
+    if (MI->getOperand(1).isImmediate() && !MI->getOperand(1).getImmedValue() &&
+        MI->getOperand(2).isFrameIndex()) {
+      FrameIndex = MI->getOperand(2).getFrameIndex();
+      return MI->getOperand(0).getReg();
+    }
+    break;
+  }
+  return 0;
+}
+
 // commuteInstruction - We can commute rlwimi instructions, but only if the
 // rotate amt is zero.  We also have to munge the immediates a bit.
 MachineInstr *PPCInstrInfo::commuteInstruction(MachineInstr *MI) const {
@@ -109,3 +146,8 @@ MachineInstr *PPCInstrInfo::commuteInstruction(MachineInstr *MI) const {
   MI->getOperand(5).setImmedValue((MB-1) & 31);
   return MI;
 }
+
+void PPCInstrInfo::insertNoop(MachineBasicBlock &MBB, 
+                              MachineBasicBlock::iterator MI) const {
+  BuildMI(MBB, MI, PPC::NOP, 0);
+}