Support move to/from segment register.
llvm-svn: 214234
diff --git a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
index d7066d5..a3ba00d 100644
--- a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
+++ b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
@@ -409,6 +409,7 @@
bool isToken() const override { return Kind == Token; }
bool isImm() const override { return Kind == Immediate || Kind == Expression; }
bool isU2Imm() const { return Kind == Immediate && isUInt<2>(getImm()); }
+ bool isU4Imm() const { return Kind == Immediate && isUInt<4>(getImm()); }
bool isU5Imm() const { return Kind == Immediate && isUInt<5>(getImm()); }
bool isS5Imm() const { return Kind == Immediate && isInt<5>(getImm()); }
bool isU6Imm() const { return Kind == Immediate && isUInt<6>(getImm()); }
diff --git a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index 771b6f5e..35ba3c0 100644
--- a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -208,6 +208,13 @@
O << (unsigned int)Value;
}
+void PPCInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ unsigned int Value = MI->getOperand(OpNo).getImm();
+ assert(Value <= 15 && "Invalid u4imm argument!");
+ O << (unsigned int)Value;
+}
+
void PPCInstPrinter::printS5ImmOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
int Value = MI->getOperand(OpNo).getImm();
diff --git a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
index 211a628..77bf980 100644
--- a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
+++ b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
@@ -44,6 +44,7 @@
raw_ostream &O, const char *Modifier = nullptr);
void printU2ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+ void printU4ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printS5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU6ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
diff --git a/llvm/lib/Target/PowerPC/PPCInstrFormats.td b/llvm/lib/Target/PowerPC/PPCInstrFormats.td
index 1e4396c..c95aefa 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrFormats.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrFormats.td
@@ -457,6 +457,28 @@
let Inst{31} = 0;
}
+class XForm_sr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<5> RS;
+ bits<4> SR;
+
+ let Inst{6-10} = RS;
+ let Inst{12-15} = SR;
+ let Inst{21-30} = xo;
+}
+
+class XForm_srin<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<5> RS;
+ bits<5> RB;
+
+ let Inst{6-10} = RS;
+ let Inst{16-20} = RB;
+ let Inst{21-30} = xo;
+}
+
class XForm_mtmsr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.td b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
index 0596c15..dbaf8f3 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
@@ -420,6 +420,15 @@
let PrintMethod = "printU2ImmOperand";
let ParserMatchClass = PPCU2ImmAsmOperand;
}
+
+def PPCU4ImmAsmOperand : AsmOperandClass {
+ let Name = "U4Imm"; let PredicateMethod = "isU4Imm";
+ let RenderMethod = "addImmOperands";
+}
+def u4imm : Operand<i32> {
+ let PrintMethod = "printU4ImmOperand";
+ let ParserMatchClass = PPCU4ImmAsmOperand;
+}
def PPCS5ImmAsmOperand : AsmOperandClass {
let Name = "S5Imm"; let PredicateMethod = "isS5Imm";
let RenderMethod = "addImmOperands";
@@ -3037,6 +3046,18 @@
def WAIT : XForm_24_sync<31, 62, (outs), (ins i32imm:$L),
"wait $L", IIC_LdStLoad, []>;
+def MTSR: XForm_sr<31, 210, (outs), (ins gprc:$RS, u4imm:$SR),
+ "mtsr $SR, $RS", IIC_SprMTSR>;
+
+def MFSR: XForm_sr<31, 595, (outs gprc:$RS), (ins u4imm:$SR),
+ "mfsr $RS, $SR", IIC_SprMFSR>;
+
+def MTSRIN: XForm_srin<31, 242, (outs), (ins gprc:$RS, gprc:$RB),
+ "mtsrin $RS, $RB", IIC_SprMTSR>;
+
+def MFSRIN: XForm_srin<31, 659, (outs gprc:$RS), (ins gprc:$RB),
+ "mfsrin $RS, $RB", IIC_SprMFSR>;
+
def MTMSR: XForm_mtmsr<31, 146, (outs), (ins gprc:$RS, i32imm:$L),
"mtmsr $RS, $L", IIC_SprMTMSR>;