[llvm] r182228 - Implement spill and fill of I64Regs.
Jakob Stoklund Olesen
stoklund at 2pi.dk
Sun May 19 17:53:25 PDT 2013
Author: stoklund
Date: Sun May 19 19:53:25 2013
New Revision: 182228
URL: http://llvm.org/viewvc/llvm-project?rev=182228&view=rev
Log:
Implement spill and fill of I64Regs.
Modified:
llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
llvm/trunk/test/CodeGen/SPARC/64bit.ll
Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp?rev=182228&r1=182227&r2=182228&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp Sun May 19 19:53:25 2013
@@ -40,6 +40,7 @@ SparcInstrInfo::SparcInstrInfo(SparcSubt
unsigned SparcInstrInfo::isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const {
if (MI->getOpcode() == SP::LDri ||
+ MI->getOpcode() == SP::LDXri ||
MI->getOpcode() == SP::LDFri ||
MI->getOpcode() == SP::LDDFri) {
if (MI->getOperand(1).isFI() && MI->getOperand(2).isImm() &&
@@ -59,6 +60,7 @@ unsigned SparcInstrInfo::isLoadFromStack
unsigned SparcInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
int &FrameIndex) const {
if (MI->getOpcode() == SP::STri ||
+ MI->getOpcode() == SP::STXri ||
MI->getOpcode() == SP::STFri ||
MI->getOpcode() == SP::STDFri) {
if (MI->getOperand(0).isFI() && MI->getOperand(1).isImm() &&
@@ -303,7 +305,10 @@ storeRegToStackSlot(MachineBasicBlock &M
if (I != MBB.end()) DL = I->getDebugLoc();
// On the order of operands here: think "[FrameIdx + 0] = SrcReg".
- if (RC == &SP::IntRegsRegClass)
+ if (RC == &SP::I64RegsRegClass)
+ BuildMI(MBB, I, DL, get(SP::STXri)).addFrameIndex(FI).addImm(0)
+ .addReg(SrcReg, getKillRegState(isKill));
+ else if (RC == &SP::IntRegsRegClass)
BuildMI(MBB, I, DL, get(SP::STri)).addFrameIndex(FI).addImm(0)
.addReg(SrcReg, getKillRegState(isKill));
else if (RC == &SP::FPRegsRegClass)
@@ -324,7 +329,9 @@ loadRegFromStackSlot(MachineBasicBlock &
DebugLoc DL;
if (I != MBB.end()) DL = I->getDebugLoc();
- if (RC == &SP::IntRegsRegClass)
+ if (RC == &SP::I64RegsRegClass)
+ BuildMI(MBB, I, DL, get(SP::LDXri), DestReg).addFrameIndex(FI).addImm(0);
+ else if (RC == &SP::IntRegsRegClass)
BuildMI(MBB, I, DL, get(SP::LDri), DestReg).addFrameIndex(FI).addImm(0);
else if (RC == &SP::FPRegsRegClass)
BuildMI(MBB, I, DL, get(SP::LDFri), DestReg).addFrameIndex(FI).addImm(0);
Modified: llvm/trunk/test/CodeGen/SPARC/64bit.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/64bit.ll?rev=182228&r1=182227&r2=182228&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/SPARC/64bit.ll (original)
+++ llvm/trunk/test/CodeGen/SPARC/64bit.ll Sun May 19 19:53:25 2013
@@ -201,3 +201,11 @@ define i32 @expand_setcc(i64 %a) {
%RV = sub i32 1, %cast2
ret i32 %RV
}
+
+; CHECK: spill_i64
+; CHECK: stx
+; CHECK: ldx
+define i64 @spill_i64(i64 %x) {
+ call void asm sideeffect "", "~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"()
+ ret i64 %x
+}
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