Target/XCore/XCoreRegisterInfo.cpp

1 //===-- XCoreRegisterInfo.cpp - XCore Register Information ----------------===//
9 // This file contains the XCore implementation of the MRegisterInfo class.
14 #include "XCore.h"
44   : XCoreGenRegisterInfo(XCore::LR) {
69   case XCore::LDWFI:
70     BuildMI(MBB, II, dl, TII.get(XCore::LDW_2rus), Reg)
75   case XCore::STWFI:
76     BuildMI(MBB, II, dl, TII.get(XCore::STW_2rus))
82   case XCore::LDAWFI:
83     BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l2rus), Reg)
101       RS->scavengeRegisterBackwards(XCore::GRRegsRegClass, II, false, 0);
106   case XCore::LDWFI:
107     BuildMI(MBB, II, dl, TII.get(XCore::LDW_3r), Reg)
112   case XCore::STWFI:
113     BuildMI(MBB, II, dl, TII.get(XCore::STW_l3r))
119   case XCore::LDAWFI:
120     BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l3r), Reg)
139   case XCore::LDWFI:
140     NewOpcode = (isU6) ? XCore::LDWSP_ru6 : XCore::LDWSP_lru6;
145   case XCore::STWFI:
146     NewOpcode = (isU6) ? XCore::STWSP_ru6 : XCore::STWSP_lru6;
152   case XCore::LDAWFI:
153     NewOpcode = (isU6) ? XCore::LDAWSP_ru6 : XCore::LDAWSP_lru6;
172   if (OpCode==XCore::STWFI) {
174         RS->scavengeRegisterBackwards(XCore::GRRegsRegClass, II, false, 0);
178   BuildMI(MBB, II, dl, TII.get(XCore::LDAWSP_ru6), ScratchBase).addImm(0);
180       RS->scavengeRegisterBackwards(XCore::GRRegsRegClass, II, false, 0);
185   case XCore::LDWFI:
186     BuildMI(MBB, II, dl, TII.get(XCore::LDW_3r), Reg)
191   case XCore::STWFI:
192     BuildMI(MBB, II, dl, TII.get(XCore::STW_l3r))
198   case XCore::LDAWFI:
199     BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l3r), Reg)
217     XCore::R4, XCore::R5, XCore::R6, XCore::R7,
218     XCore::R8, XCore::R9, XCore::R10,
222     XCore::R4, XCore::R5, XCore::R6, XCore::R7,
223     XCore::R8, XCore::R9,
236   Reserved.set(XCore::CP);
237   Reserved.set(XCore::DP);
238   Reserved.set(XCore::SP);
239   Reserved.set(XCore::LR);
241     Reserved.set(XCore::R10);
303   assert(XCore::GRRegsRegClass.contains(Reg) && "Unexpected register operand");
326   return TFI->hasFP(MF) ? XCore::R10 : XCore::SP;