[mips] Resolve register classes dynamically using ptr_rc to reduce the number of
load/store instructions defined. Previously, we were defining load/store
instructions for each pointer size (32 and 64-bit), but now we need just one
definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188830 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 377236a..3601a13 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -797,107 +797,75 @@
default:
llvm_unreachable("Unexpected instr type to insert");
case Mips::ATOMIC_LOAD_ADD_I8:
- case Mips::ATOMIC_LOAD_ADD_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, Mips::ADDu);
case Mips::ATOMIC_LOAD_ADD_I16:
- case Mips::ATOMIC_LOAD_ADD_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, Mips::ADDu);
case Mips::ATOMIC_LOAD_ADD_I32:
- case Mips::ATOMIC_LOAD_ADD_I32_P8:
return emitAtomicBinary(MI, BB, 4, Mips::ADDu);
case Mips::ATOMIC_LOAD_ADD_I64:
- case Mips::ATOMIC_LOAD_ADD_I64_P8:
return emitAtomicBinary(MI, BB, 8, Mips::DADDu);
case Mips::ATOMIC_LOAD_AND_I8:
- case Mips::ATOMIC_LOAD_AND_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, Mips::AND);
case Mips::ATOMIC_LOAD_AND_I16:
- case Mips::ATOMIC_LOAD_AND_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, Mips::AND);
case Mips::ATOMIC_LOAD_AND_I32:
- case Mips::ATOMIC_LOAD_AND_I32_P8:
return emitAtomicBinary(MI, BB, 4, Mips::AND);
case Mips::ATOMIC_LOAD_AND_I64:
- case Mips::ATOMIC_LOAD_AND_I64_P8:
return emitAtomicBinary(MI, BB, 8, Mips::AND64);
case Mips::ATOMIC_LOAD_OR_I8:
- case Mips::ATOMIC_LOAD_OR_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, Mips::OR);
case Mips::ATOMIC_LOAD_OR_I16:
- case Mips::ATOMIC_LOAD_OR_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, Mips::OR);
case Mips::ATOMIC_LOAD_OR_I32:
- case Mips::ATOMIC_LOAD_OR_I32_P8:
return emitAtomicBinary(MI, BB, 4, Mips::OR);
case Mips::ATOMIC_LOAD_OR_I64:
- case Mips::ATOMIC_LOAD_OR_I64_P8:
return emitAtomicBinary(MI, BB, 8, Mips::OR64);
case Mips::ATOMIC_LOAD_XOR_I8:
- case Mips::ATOMIC_LOAD_XOR_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, Mips::XOR);
case Mips::ATOMIC_LOAD_XOR_I16:
- case Mips::ATOMIC_LOAD_XOR_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, Mips::XOR);
case Mips::ATOMIC_LOAD_XOR_I32:
- case Mips::ATOMIC_LOAD_XOR_I32_P8:
return emitAtomicBinary(MI, BB, 4, Mips::XOR);
case Mips::ATOMIC_LOAD_XOR_I64:
- case Mips::ATOMIC_LOAD_XOR_I64_P8:
return emitAtomicBinary(MI, BB, 8, Mips::XOR64);
case Mips::ATOMIC_LOAD_NAND_I8:
- case Mips::ATOMIC_LOAD_NAND_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, 0, true);
case Mips::ATOMIC_LOAD_NAND_I16:
- case Mips::ATOMIC_LOAD_NAND_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, 0, true);
case Mips::ATOMIC_LOAD_NAND_I32:
- case Mips::ATOMIC_LOAD_NAND_I32_P8:
return emitAtomicBinary(MI, BB, 4, 0, true);
case Mips::ATOMIC_LOAD_NAND_I64:
- case Mips::ATOMIC_LOAD_NAND_I64_P8:
return emitAtomicBinary(MI, BB, 8, 0, true);
case Mips::ATOMIC_LOAD_SUB_I8:
- case Mips::ATOMIC_LOAD_SUB_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, Mips::SUBu);
case Mips::ATOMIC_LOAD_SUB_I16:
- case Mips::ATOMIC_LOAD_SUB_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, Mips::SUBu);
case Mips::ATOMIC_LOAD_SUB_I32:
- case Mips::ATOMIC_LOAD_SUB_I32_P8:
return emitAtomicBinary(MI, BB, 4, Mips::SUBu);
case Mips::ATOMIC_LOAD_SUB_I64:
- case Mips::ATOMIC_LOAD_SUB_I64_P8:
return emitAtomicBinary(MI, BB, 8, Mips::DSUBu);
case Mips::ATOMIC_SWAP_I8:
- case Mips::ATOMIC_SWAP_I8_P8:
return emitAtomicBinaryPartword(MI, BB, 1, 0);
case Mips::ATOMIC_SWAP_I16:
- case Mips::ATOMIC_SWAP_I16_P8:
return emitAtomicBinaryPartword(MI, BB, 2, 0);
case Mips::ATOMIC_SWAP_I32:
- case Mips::ATOMIC_SWAP_I32_P8:
return emitAtomicBinary(MI, BB, 4, 0);
case Mips::ATOMIC_SWAP_I64:
- case Mips::ATOMIC_SWAP_I64_P8:
return emitAtomicBinary(MI, BB, 8, 0);
case Mips::ATOMIC_CMP_SWAP_I8:
- case Mips::ATOMIC_CMP_SWAP_I8_P8:
return emitAtomicCmpSwapPartword(MI, BB, 1);
case Mips::ATOMIC_CMP_SWAP_I16:
- case Mips::ATOMIC_CMP_SWAP_I16_P8:
return emitAtomicCmpSwapPartword(MI, BB, 2);
case Mips::ATOMIC_CMP_SWAP_I32:
- case Mips::ATOMIC_CMP_SWAP_I32_P8:
return emitAtomicCmpSwap(MI, BB, 4);
case Mips::ATOMIC_CMP_SWAP_I64:
- case Mips::ATOMIC_CMP_SWAP_I64_P8:
return emitAtomicCmpSwap(MI, BB, 8);
case Mips::PseudoSDIV:
case Mips::PseudoUDIV:
@@ -924,16 +892,16 @@
unsigned LL, SC, AND, NOR, ZERO, BEQ;
if (Size == 4) {
- LL = IsN64 ? Mips::LL_P8 : Mips::LL;
- SC = IsN64 ? Mips::SC_P8 : Mips::SC;
+ LL = Mips::LL;
+ SC = Mips::SC;
AND = Mips::AND;
NOR = Mips::NOR;
ZERO = Mips::ZERO;
BEQ = Mips::BEQ;
}
else {
- LL = IsN64 ? Mips::LLD_P8 : Mips::LLD;
- SC = IsN64 ? Mips::SCD_P8 : Mips::SCD;
+ LL = Mips::LLD;
+ SC = Mips::SCD;
AND = Mips::AND64;
NOR = Mips::NOR64;
ZERO = Mips::ZERO_64;
@@ -1009,8 +977,6 @@
const TargetRegisterClass *RC = getRegClassFor(MVT::i32);
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
- unsigned LL = IsN64 ? Mips::LL_P8 : Mips::LL;
- unsigned SC = IsN64 ? Mips::SC_P8 : Mips::SC;
unsigned Dest = MI->getOperand(0).getReg();
unsigned Ptr = MI->getOperand(1).getReg();
@@ -1107,7 +1073,7 @@
// beq success,$0,loopMBB
BB = loopMBB;
- BuildMI(BB, DL, TII->get(LL), OldVal).addReg(AlignedAddr).addImm(0);
+ BuildMI(BB, DL, TII->get(Mips::LL), OldVal).addReg(AlignedAddr).addImm(0);
if (Nand) {
// and andres, oldval, incr2
// nor binopres, $0, andres
@@ -1130,7 +1096,7 @@
.addReg(OldVal).addReg(Mask2);
BuildMI(BB, DL, TII->get(Mips::OR), StoreVal)
.addReg(MaskedOldVal0).addReg(NewVal);
- BuildMI(BB, DL, TII->get(SC), Success)
+ BuildMI(BB, DL, TII->get(Mips::SC), Success)
.addReg(StoreVal).addReg(AlignedAddr).addImm(0);
BuildMI(BB, DL, TII->get(Mips::BEQ))
.addReg(Success).addReg(Mips::ZERO).addMBB(loopMBB);
@@ -1171,15 +1137,15 @@
unsigned LL, SC, ZERO, BNE, BEQ;
if (Size == 4) {
- LL = IsN64 ? Mips::LL_P8 : Mips::LL;
- SC = IsN64 ? Mips::SC_P8 : Mips::SC;
+ LL = Mips::LL;
+ SC = Mips::SC;
ZERO = Mips::ZERO;
BNE = Mips::BNE;
BEQ = Mips::BEQ;
}
else {
- LL = IsN64 ? Mips::LLD_P8 : Mips::LLD;
- SC = IsN64 ? Mips::SCD_P8 : Mips::SCD;
+ LL = Mips::LLD;
+ SC = Mips::SCD;
ZERO = Mips::ZERO_64;
BNE = Mips::BNE64;
BEQ = Mips::BEQ64;
@@ -1251,8 +1217,6 @@
const TargetRegisterClass *RC = getRegClassFor(MVT::i32);
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
- unsigned LL = IsN64 ? Mips::LL_P8 : Mips::LL;
- unsigned SC = IsN64 ? Mips::SC_P8 : Mips::SC;
unsigned Dest = MI->getOperand(0).getReg();
unsigned Ptr = MI->getOperand(1).getReg();
@@ -1349,7 +1313,7 @@
// and maskedoldval0,oldval,mask
// bne maskedoldval0,shiftedcmpval,sinkMBB
BB = loop1MBB;
- BuildMI(BB, DL, TII->get(LL), OldVal).addReg(AlignedAddr).addImm(0);
+ BuildMI(BB, DL, TII->get(Mips::LL), OldVal).addReg(AlignedAddr).addImm(0);
BuildMI(BB, DL, TII->get(Mips::AND), MaskedOldVal0)
.addReg(OldVal).addReg(Mask);
BuildMI(BB, DL, TII->get(Mips::BNE))
@@ -1365,7 +1329,7 @@
.addReg(OldVal).addReg(Mask2);
BuildMI(BB, DL, TII->get(Mips::OR), StoreVal)
.addReg(MaskedOldVal1).addReg(ShiftedNewVal);
- BuildMI(BB, DL, TII->get(SC), Success)
+ BuildMI(BB, DL, TII->get(Mips::SC), Success)
.addReg(StoreVal).addReg(AlignedAddr).addImm(0);
BuildMI(BB, DL, TII->get(Mips::BEQ))
.addReg(Success).addReg(Mips::ZERO).addMBB(loop1MBB);