// Mips Address
//
def addr16 :
- ComplexPattern<iPTR, 3, "SelectAddr16", [frameindex], [SDNPWantParent]>;
+ ComplexPattern<iPTR, 3, "selectAddr16", [frameindex], [SDNPWantParent]>;
//
// Address operand
def mem16 : Operand<i32> {
let PrintMethod = "printMemOperand";
- let MIOperandInfo = (ops CPU16Regs, simm16, CPU16Regs);
+ let MIOperandInfo = (ops CPU16Regs, simm16, CPU16RegsPlusSP);
let EncoderMethod = "getMemEncoding";
}
def mem16_ea : Operand<i32> {
let PrintMethod = "printMemOperandEA";
- let MIOperandInfo = (ops CPU16Regs, simm16);
+ let MIOperandInfo = (ops CPU16RegsPlusSP, simm16);
let EncoderMethod = "getMemEncoding";
}
+//
+// I-type instruction format
+//
+// this is only used by bimm. the actual assembly value is a 12 bit signed
+// number
+//
+class FI16_ins<bits<5> op, string asmstr, InstrItinClass itin>:
+ FI16<op, (outs), (ins brtarget:$imm16),
+ !strconcat(asmstr, "\t$imm16 # 16 bit inst"), [], itin>;
+
+//
+//
+// I8 instruction format
+//
+
+class FI816_ins_base<bits<3> _func, string asmstr,
+ string asmstr2, InstrItinClass itin>:
+ FI816<_func, (outs), (ins simm16:$imm), !strconcat(asmstr, asmstr2),
+ [], itin>;
+
+class FI816_ins<bits<3> _func, string asmstr,
+ InstrItinClass itin>:
+ FI816_ins_base<_func, asmstr, "\t$imm # 16 bit inst", itin>;
+
+class FI816_SP_ins<bits<3> _func, string asmstr,
+ InstrItinClass itin>:
+ FI816_ins_base<_func, asmstr, "\t$$sp, $imm # 16 bit inst", itin>;
+
//
// RI instruction format
//
+class FRI16_ins_base<bits<5> op, string asmstr, string asmstr2,
+ InstrItinClass itin>:
+ FRI16<op, (outs CPU16Regs:$rx), (ins simm16:$imm),
+ !strconcat(asmstr, asmstr2), [], itin>;
+
+class FRI16_ins<bits<5> op, string asmstr,
+ InstrItinClass itin>:
+ FRI16_ins_base<op, asmstr, "\t$rx, $imm \t# 16 bit inst", itin>;
+
+class FRI16_TCP_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FRI16<_op, (outs CPU16Regs:$rx), (ins pcrel16:$imm, i32imm:$size),
+ !strconcat(asmstr, "\t$rx, $imm\t# 16 bit inst"), [], itin>;
+
+class FRI16R_ins_base<bits<5> op, string asmstr, string asmstr2,
+ InstrItinClass itin>:
+ FRI16<op, (outs), (ins CPU16Regs:$rx, simm16:$imm),
+ !strconcat(asmstr, asmstr2), [], itin>;
+
+class FRI16R_ins<bits<5> op, string asmstr,
+ InstrItinClass itin>:
+ FRI16R_ins_base<op, asmstr, "\t$rx, $imm \t# 16 bit inst", itin>;
+
class F2RI16_ins<bits<5> _op, string asmstr,
InstrItinClass itin>:
FRI16<_op, (outs CPU16Regs:$rx), (ins CPU16Regs:$rx_, simm16:$imm),
let Constraints = "$rx_ = $rx";
}
+class FRI16_B_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FRI16<_op, (outs), (ins CPU16Regs:$rx, brtarget:$imm),
+ !strconcat(asmstr, "\t$rx, $imm # 16 bit inst"), [], itin>;
//
// Compare a register and immediate and place result in CC
// Implicit use of T8
//
// EXT-CCRR Instruction format
//
-class FEXT_CCRXI16_ins<bits<5> _op, string asmstr,
- InstrItinClass itin>:
- FEXT_RI16<_op, (outs CPU16Regs:$cc), (ins CPU16Regs:$rx, simm16:$imm),
- !strconcat(asmstr, "\t$rx, $imm\n\tmove\t$cc, $$t8"), [], itin> {
+class FEXT_CCRXI16_ins<string asmstr>:
+ MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, simm16:$imm),
+ !strconcat(asmstr, "\t$rx, $imm\n\tmove\t$cc, $$t8"), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
// JAL and JALX instruction format
//
// CC-RR Instruction format
//
-class FCCRR16_ins<bits<5> f, string asmstr, InstrItinClass itin> :
- FRR16<f, (outs CPU16Regs:$cc), (ins CPU16Regs:$rx, CPU16Regs:$ry),
- !strconcat(asmstr, "\t$rx, $ry\n\tmove\t$cc, $$t8"), [], itin> {
+class FCCRR16_ins<string asmstr> :
+ MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rx, $ry\n\tmove\t$cc, $$t8"), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
InstrItinClass itin>:
FEXT_RI16_ins_base<_op, asmstr, "\t$rx, $imm", itin>;
+class FEXT_RI16R_ins_base<bits<5> _op, string asmstr, string asmstr2,
+ InstrItinClass itin>:
+ FEXT_RI16<_op, (outs ), (ins CPU16Regs:$rx, simm16:$imm),
+ !strconcat(asmstr, asmstr2), [], itin>;
+
+class FEXT_RI16R_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FEXT_RI16R_ins_base<_op, asmstr, "\t$rx, $imm", itin>;
+
class FEXT_RI16_PC_ins<bits<5> _op, string asmstr, InstrItinClass itin>:
FEXT_RI16_ins_base<_op, asmstr, "\t$rx, $$pc, $imm", itin>;
FEXT_RI16<_op, (outs), (ins CPU16Regs:$rx, brtarget:$imm),
!strconcat(asmstr, "\t$rx, $imm"), [], itin>;
+class FEXT_RI16_TCP_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FEXT_RI16<_op, (outs CPU16Regs:$rx), (ins pcrel16:$imm, i32imm:$size),
+ !strconcat(asmstr, "\t$rx, $imm"), [], itin>;
+
class FEXT_2RI16_ins<bits<5> _op, string asmstr,
InstrItinClass itin>:
FEXT_RI16<_op, (outs CPU16Regs:$rx), (ins CPU16Regs:$rx_, simm16:$imm),
FEXT_RI16<_op, (outs CPU16Regs:$rx), (ins CPUSPReg:$ry, simm16:$imm),
!strconcat(asmstr, "\t$rx, $imm ( $ry ); "), [], itin>;
+class FEXT_RI16_SP_Store_explicit_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FEXT_RI16<_op, (outs), (ins CPU16Regs:$rx, CPUSPReg:$ry, simm16:$imm),
+ !strconcat(asmstr, "\t$rx, $imm ( $ry ); "), [], itin>;
+
//
// EXT-RRI instruction format
//
// EXT-SHIFT instruction format
//
class FEXT_SHIFT16_ins<bits<2> _f, string asmstr, InstrItinClass itin>:
- FEXT_SHIFT16<_f, (outs CPU16Regs:$rx), (ins CPU16Regs:$ry, shamt:$sa),
+ FEXT_SHIFT16<_f, (outs CPU16Regs:$rx), (ins CPU16Regs:$ry, uimm5:$sa),
!strconcat(asmstr, "\t$rx, $ry, $sa"), [], itin>;
//
// EXT-T8I8
//
-class FEXT_T8I816_ins<bits<3> _func, string asmstr, string asmstr2,
- InstrItinClass itin>:
- FEXT_I816<_func, (outs),
- (ins CPU16Regs:$rx, CPU16Regs:$ry, brtarget:$imm),
- !strconcat(asmstr2, !strconcat("\t$rx, $ry\n\t",
- !strconcat(asmstr, "\t$imm"))),[], itin> {
+class FEXT_T8I816_ins<string asmstr, string asmstr2>:
+ MipsPseudo16<(outs),
+ (ins CPU16Regs:$rx, CPU16Regs:$ry, brtarget:$imm),
+ !strconcat(asmstr2, !strconcat("\t$rx, $ry\n\t",
+ !strconcat(asmstr, "\t$imm"))),[]> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
// EXT-T8I8I
//
-class FEXT_T8I8I16_ins<bits<3> _func, string asmstr, string asmstr2,
- InstrItinClass itin>:
- FEXT_I816<_func, (outs),
- (ins CPU16Regs:$rx, simm16:$imm, brtarget:$targ),
- !strconcat(asmstr2, !strconcat("\t$rx, $imm\n\t",
- !strconcat(asmstr, "\t$targ"))), [], itin> {
+class FEXT_T8I8I16_ins<string asmstr, string asmstr2>:
+ MipsPseudo16<(outs),
+ (ins CPU16Regs:$rx, simm16:$imm, brtarget:$targ),
+ !strconcat(asmstr2, !strconcat("\t$rx, $imm\n\t",
+ !strconcat(asmstr, "\t$targ"))), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
// I8_MOVR32 instruction format (used only by the MOVR32 instructio
//
class FI8_MOVR3216_ins<string asmstr, InstrItinClass itin>:
- FI8_MOVR3216<(outs CPU16Regs:$rz), (ins CPURegs:$r32),
+ FI8_MOVR3216<(outs CPU16Regs:$rz), (ins GPR32:$r32),
!strconcat(asmstr, "\t$rz, $r32"), [], itin>;
//
//
class FI8_MOV32R16_ins<string asmstr, InstrItinClass itin>:
- FI8_MOV32R16<(outs CPURegs:$r32), (ins CPU16Regs:$rz),
+ FI8_MOV32R16<(outs GPR32:$r32), (ins CPU16Regs:$rz),
!strconcat(asmstr, "\t$r32, $rz"), [], itin>;
//
!strconcat(asmstr, "\t$rx, $ry"), [], itin> {
}
-class FRRTR16_ins<bits<5> f, string asmstr, InstrItinClass itin> :
- FRR16<f, (outs CPU16Regs:$rz), (ins CPU16Regs:$rx, CPU16Regs:$ry),
- !strconcat(asmstr, "\t$rx, $ry\n\tmove\t$rz, $$t8"), [], itin> ;
+class FRRBreakNull16_ins<string asmstr, InstrItinClass itin> :
+ FRRBreak16<(outs), (ins), asmstr, [], itin> {
+ let Code=0;
+}
+
+class FRR16R_ins<bits<5> f, string asmstr, InstrItinClass itin> :
+ FRR16<f, (outs), (ins CPU16Regs:$rx, CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rx, $ry"), [], itin> {
+}
+
+class FRRTR16_ins<string asmstr> :
+ MipsPseudo16<(outs CPU16Regs:$rz), (ins CPU16Regs:$rx, CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rx, $ry\n\tmove\t$rz, $$t8"), []> ;
//
// maybe refactor but need a $zero as a dummy first parameter
FRR16_JALRC<nd, l, ra, (outs), (ins CPU16Regs:$rx),
!strconcat(asmstr, "\t $rx"), [], itin> ;
+class FRR_SF16_ins
+ <bits<5> _funct, bits<3> _subfunc,
+ string asmstr, InstrItinClass itin>:
+ FRR_SF16<_funct, _subfunc, (outs CPU16Regs:$rx), (ins CPU16Regs:$rx_),
+ !strconcat(asmstr, "\t $rx"),
+ [], itin> {
+ let Constraints = "$rx_ = $rx";
+ }
//
// RRR-type instruction format
//
//
// So this pseudo class only has one operand, i.e. op
//
-class Sel<bits<5> f1, string op, InstrItinClass itin>:
- MipsInst16_32<(outs CPU16Regs:$rd_), (ins CPU16Regs:$rd, CPU16Regs:$rs,
- CPU16Regs:$rt),
- !strconcat(op, "\t$rt, .+4\n\t\n\tmove $rd, $rs"), [], itin,
- Pseudo16> {
- let isCodeGenOnly=1;
+class Sel<string op>:
+ MipsPseudo16<(outs CPU16Regs:$rd_), (ins CPU16Regs:$rd, CPU16Regs:$rs,
+ CPU16Regs:$rt),
+ !strconcat(op, "\t$rt, .+4\n\t\n\tmove $rd, $rs"), []> {
+ //let isCodeGenOnly=1;
let Constraints = "$rd = $rd_";
+ let usesCustomInserter = 1;
}
//
// move $rd, $rs
//
//
-class SeliT<bits<5> f1, string op1, bits<5> f2, string op2,
- InstrItinClass itin>:
- MipsInst16_32<(outs CPU16Regs:$rd_), (ins CPU16Regs:$rd, CPU16Regs:$rs,
- CPU16Regs:$rl, simm16:$imm),
- !strconcat(op2,
- !strconcat("\t$rl, $imm\n\t",
- !strconcat(op1, "\t.+4\n\tmove $rd, $rs"))), [], itin,
- Pseudo16> {
+class SeliT<string op1, string op2>:
+ MipsPseudo16<(outs CPU16Regs:$rd_), (ins CPU16Regs:$rd, CPU16Regs:$rs,
+ CPU16Regs:$rl, simm16:$imm),
+ !strconcat(op2,
+ !strconcat("\t$rl, $imm\n\t",
+ !strconcat(op1, "\t.+4\n\tmove $rd, $rs"))), []> {
let isCodeGenOnly=1;
let Constraints = "$rd = $rd_";
+ let usesCustomInserter = 1;
}
//
// move $rd, $rs
//
//
-class SelT<bits<5> f1, string op1, bits<5> f2, string op2,
- InstrItinClass itin>:
- MipsInst16_32<(outs CPU16Regs:$rd_), (ins CPU16Regs:$rd, CPU16Regs:$rs,
+class SelT<string op1, string op2>:
+ MipsPseudo16<(outs CPU16Regs:$rd_),
+ (ins CPU16Regs:$rd, CPU16Regs:$rs,
CPU16Regs:$rl, CPU16Regs:$rr),
- !strconcat(op2,
- !strconcat("\t$rl, $rr\n\t",
- !strconcat(op1, "\t.+4\n\tmove $rd, $rs"))), [], itin,
- Pseudo16> {
+ !strconcat(op2,
+ !strconcat("\t$rl, $rr\n\t",
+ !strconcat(op1, "\t.+4\n\tmove $rd, $rs"))), []> {
let isCodeGenOnly=1;
let Constraints = "$rd = $rd_";
+ let usesCustomInserter = 1;
}
//
MipsPseudo16<(outs), (ins imm32:$imm), "\t.word $imm", []>;
def LwConstant32:
- MipsPseudo16<(outs), (ins CPU16Regs:$rx, imm32:$imm),
+ MipsPseudo16<(outs CPU16Regs:$rx), (ins imm32:$imm, imm32:$constid),
"lw\t$rx, 1f\n\tb\t2f\n\t.align\t2\n1: \t.word\t$imm\n2:", []>;
}
//
+
// Format: ADDIU rx, immediate MIPS16e
// Purpose: Add Immediate Unsigned Word (2-Operand, Extended)
// To add a constant to a 32-bit integer.
let AddedComplexity = 5;
}
def AddiuRxRxImmX16: FEXT_2RI16_ins<0b01001, "addiu", IIAlu>,
- ArithLogic16Defs<0>;
+ ArithLogic16Defs<0> {
+ let isCodeGenOnly = 1;
+}
def AddiuRxRyOffMemX16:
FEXT_RRI_A16_mem_ins<0, "addiu", mem16_ea, IIAlu>;
// Purpose: Add Immediate Unsigned Word (2-Operand, SP-Relative, Extended)
// To add a constant to the stack pointer.
//
+def AddiuSpImm16
+ : FI816_SP_ins<0b011, "addiu", IIAlu> {
+ let Defs = [SP];
+ let Uses = [SP];
+ let AddedComplexity = 5;
+}
+
def AddiuSpImmX16
: FEXT_I816_SP_ins<0b011, "addiu", IIAlu> {
let Defs = [SP];
def AndRxRxRy16: FRxRxRy16_ins<0b01100, "and", IIAlu>, ArithLogic16Defs<1>;
+//
+// Format: BEQZ rx, offset MIPS16e
+// Purpose: Branch on Equal to Zero
+// To test a GPR then do a PC-relative conditional branch.
+//
+def BeqzRxImm16: FRI16_B_ins<0b00100, "beqz", IIAlu>, cbranch16;
+
+
//
// Format: BEQZ rx, offset MIPS16e
// Purpose: Branch on Equal to Zero (Extended)
//
def BeqzRxImmX16: FEXT_RI16_B_ins<0b00100, "beqz", IIAlu>, cbranch16;
+//
+// Format: B offset MIPS16e
+// Purpose: Unconditional Branch (Extended)
+// To do an unconditional PC-relative branch.
+//
+
+def Bimm16: FI16_ins<0b00010, "b", IIAlu>, branch16;
+
// Format: B offset MIPS16e
// Purpose: Unconditional Branch
// To do an unconditional PC-relative branch.
//
def BimmX16: FEXT_I16_ins<0b00010, "b", IIAlu>, branch16;
+//
+// Format: BNEZ rx, offset MIPS16e
+// Purpose: Branch on Not Equal to Zero
+// To test a GPR then do a PC-relative conditional branch.
+//
+def BnezRxImm16: FRI16_B_ins<0b00101, "bnez", IIAlu>, cbranch16;
+
//
// Format: BNEZ rx, offset MIPS16e
// Purpose: Branch on Not Equal to Zero (Extended)
//
def BnezRxImmX16: FEXT_RI16_B_ins<0b00101, "bnez", IIAlu>, cbranch16;
+
+//
+//Format: BREAK immediate
+// Purpose: Breakpoint
+// To cause a Breakpoint exception.
+
+def Break16: FRRBreakNull16_ins<"break 0", NoItinerary>;
//
// Format: BTEQZ offset MIPS16e
// Purpose: Branch on T Equal to Zero (Extended)
// To test special register T then do a PC-relative conditional branch.
//
-def BteqzX16: FEXT_I816_ins<0b000, "bteqz", IIAlu>, cbranch16;
+def Bteqz16: FI816_ins<0b000, "bteqz", IIAlu>, cbranch16 {
+ let Uses = [T8];
+}
+
+def BteqzX16: FEXT_I816_ins<0b000, "bteqz", IIAlu>, cbranch16 {
+ let Uses = [T8];
+}
-def BteqzT8CmpX16: FEXT_T8I816_ins<0b000, "bteqz", "cmp", IIAlu>, cbranch16;
+def BteqzT8CmpX16: FEXT_T8I816_ins<"bteqz", "cmp">, cbranch16;
-def BteqzT8CmpiX16: FEXT_T8I8I16_ins<0b000, "bteqz", "cmpi", IIAlu>,
+def BteqzT8CmpiX16: FEXT_T8I8I16_ins<"bteqz", "cmpi">,
cbranch16;
-def BteqzT8SltX16: FEXT_T8I816_ins<0b000, "bteqz", "slt", IIAlu>, cbranch16;
+def BteqzT8SltX16: FEXT_T8I816_ins<"bteqz", "slt">, cbranch16;
-def BteqzT8SltuX16: FEXT_T8I816_ins<0b000, "bteqz", "sltu", IIAlu>, cbranch16;
+def BteqzT8SltuX16: FEXT_T8I816_ins<"bteqz", "sltu">, cbranch16;
-def BteqzT8SltiX16: FEXT_T8I8I16_ins<0b000, "bteqz", "slti", IIAlu>, cbranch16;
+def BteqzT8SltiX16: FEXT_T8I8I16_ins<"bteqz", "slti">, cbranch16;
-def BteqzT8SltiuX16: FEXT_T8I8I16_ins<0b000, "bteqz", "sltiu", IIAlu>,
+def BteqzT8SltiuX16: FEXT_T8I8I16_ins<"bteqz", "sltiu">,
cbranch16;
//
// Purpose: Branch on T Not Equal to Zero (Extended)
// To test special register T then do a PC-relative conditional branch.
//
-def BtnezX16: FEXT_I816_ins<0b001, "btnez", IIAlu> ,cbranch16;
-def BtnezT8CmpX16: FEXT_T8I816_ins<0b000, "btnez", "cmp", IIAlu>, cbranch16;
+def Btnez16: FI816_ins<0b001, "btnez", IIAlu>, cbranch16 {
+ let Uses = [T8];
+}
+
+def BtnezX16: FEXT_I816_ins<0b001, "btnez", IIAlu> ,cbranch16 {
+ let Uses = [T8];
+}
+
+def BtnezT8CmpX16: FEXT_T8I816_ins<"btnez", "cmp">, cbranch16;
-def BtnezT8CmpiX16: FEXT_T8I8I16_ins<0b000, "btnez", "cmpi", IIAlu>, cbranch16;
+def BtnezT8CmpiX16: FEXT_T8I8I16_ins<"btnez", "cmpi">, cbranch16;
-def BtnezT8SltX16: FEXT_T8I816_ins<0b000, "btnez", "slt", IIAlu>, cbranch16;
+def BtnezT8SltX16: FEXT_T8I816_ins<"btnez", "slt">, cbranch16;
-def BtnezT8SltuX16: FEXT_T8I816_ins<0b000, "btnez", "sltu", IIAlu>, cbranch16;
+def BtnezT8SltuX16: FEXT_T8I816_ins<"btnez", "sltu">, cbranch16;
-def BtnezT8SltiX16: FEXT_T8I8I16_ins<0b000, "btnez", "slti", IIAlu>, cbranch16;
+def BtnezT8SltiX16: FEXT_T8I8I16_ins<"btnez", "slti">, cbranch16;
-def BtnezT8SltiuX16: FEXT_T8I8I16_ins<0b000, "btnez", "sltiu", IIAlu>,
+def BtnezT8SltiuX16: FEXT_T8I8I16_ins<"btnez", "sltiu">,
cbranch16;
+//
+// Format: CMP rx, ry MIPS16e
+// Purpose: Compare
+// To compare the contents of two GPRs.
+//
+def CmpRxRy16: FRR16R_ins<0b01010, "cmp", IIAlu> {
+ let Defs = [T8];
+}
+
+//
+// Format: CMPI rx, immediate MIPS16e
+// Purpose: Compare Immediate
+// To compare a constant with the contents of a GPR.
+//
+def CmpiRxImm16: FRI16R_ins<0b01110, "cmpi", IIAlu> {
+ let Defs = [T8];
+}
+
+//
+// Format: CMPI rx, immediate MIPS16e
+// Purpose: Compare Immediate (Extended)
+// To compare a constant with the contents of a GPR.
+//
+def CmpiRxImmX16: FEXT_RI16R_ins<0b01110, "cmpi", IIAlu> {
+ let Defs = [T8];
+}
+
+
//
// Format: DIV rx, ry MIPS16e
// Purpose: Divide Word
// To divide 32-bit signed integers.
//
def DivRxRy16: FRR16_div_ins<0b11010, "div", IIAlu> {
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
//
// To divide 32-bit unsigned integers.
//
def DivuRxRy16: FRR16_div_ins<0b11011, "divu", IIAlu> {
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
//
// Format: JAL target MIPS16e
//
def Jal16 : FJAL16_ins<0b0, "jal", IIAlu> {
- let isBranch = 1;
let hasDelaySlot = 0; // not true, but we add the nop for now
- let isTerminator=1;
- let isBarrier=1;
+ let isCall=1;
}
//
let isBarrier=1;
}
-def JrcRa16: FRR16_JALRC_RA_only_ins<0, 0, "jrc", IIAlu> {
+def JrcRa16: FRR16_JALRC_RA_only_ins<1, 1, "jrc", IIAlu> {
let isBranch = 1;
let isIndirectBranch = 1;
let isTerminator=1;
// Purpose: Load Byte (Extended)
// To load a byte from memory as a signed value.
//
-def LbRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lb", mem16, IILoad>, MayLoad;
+def LbRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lb", mem16, IILoad>, MayLoad{
+ let isCodeGenOnly = 1;
+}
//
// Format: LBU ry, offset(rx) MIPS16e
// To load a byte from memory as a unsigned value.
//
def LbuRxRyOffMemX16:
- FEXT_RRI16_mem_ins<0b10100, "lbu", mem16, IILoad>, MayLoad;
+ FEXT_RRI16_mem_ins<0b10100, "lbu", mem16, IILoad>, MayLoad {
+ let isCodeGenOnly = 1;
+}
//
// Format: LH ry, offset(rx) MIPS16e
// Purpose: Load Halfword signed (Extended)
// To load a halfword from memory as a signed value.
//
-def LhRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10100, "lh", mem16, IILoad>, MayLoad;
+def LhRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10100, "lh", mem16, IILoad>, MayLoad{
+ let isCodeGenOnly = 1;
+}
//
// Format: LHU ry, offset(rx) MIPS16e
// To load a halfword from memory as an unsigned value.
//
def LhuRxRyOffMemX16:
- FEXT_RRI16_mem_ins<0b10100, "lhu", mem16, IILoad>, MayLoad;
+ FEXT_RRI16_mem_ins<0b10100, "lhu", mem16, IILoad>, MayLoad {
+ let isCodeGenOnly = 1;
+}
+
+//
+// Format: LI rx, immediate MIPS16e
+// Purpose: Load Immediate
+// To load a constant into a GPR.
+//
+def LiRxImm16: FRI16_ins<0b01101, "li", IIAlu>;
//
// Format: LI rx, immediate MIPS16e
//
def LiRxImmX16: FEXT_RI16_ins<0b01101, "li", IIAlu>;
+def LiRxImmAlignX16: FEXT_RI16_ins<0b01101, ".align 2\n\tli", IIAlu> {
+ let isCodeGenOnly = 1;
+}
+
//
// Format: LW ry, offset(rx) MIPS16e
// Purpose: Load Word (Extended)
// To load a word from memory as a signed value.
//
-def LwRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lw", mem16, IILoad>, MayLoad;
+def LwRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lw", mem16, IILoad>, MayLoad{
+ let isCodeGenOnly = 1;
+}
// Format: LW rx, offset(sp) MIPS16e
// Purpose: Load Word (SP-Relative, Extended)
// To load an SP-relative word from memory as a signed value.
//
-def LwRxSpImmX16: FEXT_RI16_SP_explicit_ins<0b10110, "lw", IILoad>, MayLoad{
+def LwRxSpImmX16: FEXT_RI16_SP_explicit_ins<0b10010, "lw", IILoad>, MayLoad{
let Uses = [SP];
}
+def LwRxPcTcp16: FRI16_TCP_ins<0b10110, "lw", IILoad>, MayLoad;
+
+def LwRxPcTcpX16: FEXT_RI16_TCP_ins<0b10110, "lw", IILoad>, MayLoad;
//
// Format: MOVE r32, rz MIPS16e
// Purpose: Move
// To copy the special purpose HI register to a GPR.
//
def Mfhi16: FRR16_M_ins<0b10000, "mfhi", IIAlu> {
- let Uses = [HI];
+ let Uses = [HI0];
let neverHasSideEffects = 1;
}
// To copy the special purpose LO register to a GPR.
//
def Mflo16: FRR16_M_ins<0b10010, "mflo", IIAlu> {
- let Uses = [LO];
+ let Uses = [LO0];
let neverHasSideEffects = 1;
}
def MultRxRy16: FMULT16_ins<"mult", IIAlu> {
let isCommutable = 1;
let neverHasSideEffects = 1;
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
def MultuRxRy16: FMULT16_ins<"multu", IIAlu> {
let isCommutable = 1;
let neverHasSideEffects = 1;
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
//
def MultRxRyRz16: FMULT16_LO_ins<"mult", IIAlu> {
let isCommutable = 1;
let neverHasSideEffects = 1;
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
//
def MultuRxRyRz16: FMULT16_LO_ins<"multu", IIAlu> {
let isCommutable = 1;
let neverHasSideEffects = 1;
- let Defs = [HI, LO];
+ let Defs = [HI0, LO0];
}
//
let ra=1, s=0,s0=1,s1=1 in
def RestoreRaF16:
FI8_SVRS16<0b1, (outs), (ins uimm16:$frame_size),
- "restore\t$$ra, $$s0, $$s1, $frame_size", [], IILoad >, MayLoad {
+ "restore\t$$ra, $$s0, $$s1, $$s2, $frame_size", [], IILoad >, MayLoad {
let isCodeGenOnly = 1;
- let Defs = [S0, S1, RA, SP];
+ let Defs = [S0, S1, S2, RA, SP];
let Uses = [SP];
}
let ra=1, s=1,s0=1,s1=1 in
def SaveRaF16:
FI8_SVRS16<0b1, (outs), (ins uimm16:$frame_size),
- "save\t$$ra, $$s0, $$s1, $frame_size", [], IIStore >, MayStore {
+ "save\t$$ra, $$s0, $$s1, $$s2, $frame_size", [], IIStore >, MayStore {
let isCodeGenOnly = 1;
- let Uses = [RA, SP, S0, S1];
+ let Uses = [RA, SP, S0, S1, S2];
let Defs = [SP];
}
def SbRxRyOffMemX16:
FEXT_RRI16_mem2_ins<0b11000, "sb", mem16, IIStore>, MayStore;
+//
+// Format: SEB rx MIPS16e
+// Purpose: Sign-Extend Byte
+// Sign-extend least significant byte in register rx.
+//
+def SebRx16
+ : FRR_SF16_ins<0b10001, 0b100, "seb", IIAlu>;
+
+//
+// Format: SEH rx MIPS16e
+// Purpose: Sign-Extend Halfword
+// Sign-extend least significant word in register rx.
+//
+def SehRx16
+ : FRR_SF16_ins<0b10001, 0b101, "seh", IIAlu>;
+
//
// The Sel(T) instructions are pseudos
// T means that they use T8 implicitly.
// Purpose: if rt==0, do nothing
// else rs = rt
//
-def SelBeqZ: Sel<0b00100, "beqz", IIAlu>;
+def SelBeqZ: Sel<"beqz">;
//
// Format: SelTBteqZCmp rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZCmp: SelT<0b000, "bteqz", 0b01010, "cmp", IIAlu>;
+def SelTBteqZCmp: SelT<"bteqz", "cmp">;
//
// Format: SelTBteqZCmpi rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZCmpi: SeliT<0b000, "bteqz", 0b01110, "cmpi", IIAlu>;
+def SelTBteqZCmpi: SeliT<"bteqz", "cmpi">;
//
// Format: SelTBteqZSlt rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZSlt: SelT<0b000, "bteqz", 0b00010, "slt", IIAlu>;
+def SelTBteqZSlt: SelT<"bteqz", "slt">;
//
// Format: SelTBteqZSlti rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZSlti: SeliT<0b000, "bteqz", 0b01010, "slti", IIAlu>;
+def SelTBteqZSlti: SeliT<"bteqz", "slti">;
//
// Format: SelTBteqZSltu rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZSltu: SelT<0b000, "bteqz", 0b00011, "sltu", IIAlu>;
+def SelTBteqZSltu: SelT<"bteqz", "sltu">;
//
// Format: SelTBteqZSltiu rd, rs, rl, rr
// If b==0 then do nothing.
// if b!=0 then rd = rs
//
-def SelTBteqZSltiu: SeliT<0b000, "bteqz", 0b01011, "sltiu", IIAlu>;
+def SelTBteqZSltiu: SeliT<"bteqz", "sltiu">;
//
// Format: SelBnez rd, rs, rt
// Purpose: if rt!=0, do nothing
// else rs = rt
//
-def SelBneZ: Sel<0b00101, "bnez", IIAlu>;
+def SelBneZ: Sel<"bnez">;
//
// Format: SelTBtneZCmp rd, rs, rl, rr
// If b!=0 then do nothing.
// if b0=0 then rd = rs
//
-def SelTBtneZCmp: SelT<0b001, "btnez", 0b01010, "cmp", IIAlu>;
+def SelTBtneZCmp: SelT<"btnez", "cmp">;
//
// Format: SelTBtnezCmpi rd, rs, rl, rr
// If b!=0 then do nothing.
// if b==0 then rd = rs
//
-def SelTBtneZCmpi: SeliT<0b000, "btnez", 0b01110, "cmpi", IIAlu>;
+def SelTBtneZCmpi: SeliT<"btnez", "cmpi">;
//
// Format: SelTBtneZSlt rd, rs, rl, rr
// If b!=0 then do nothing.
// if b==0 then rd = rs
//
-def SelTBtneZSlt: SelT<0b001, "btnez", 0b00010, "slt", IIAlu>;
+def SelTBtneZSlt: SelT<"btnez", "slt">;
//
// Format: SelTBtneZSlti rd, rs, rl, rr
// If b!=0 then do nothing.
// if b==0 then rd = rs
//
-def SelTBtneZSlti: SeliT<0b001, "btnez", 0b01010, "slti", IIAlu>;
+def SelTBtneZSlti: SeliT<"btnez", "slti">;
//
// Format: SelTBtneZSltu rd, rs, rl, rr
// If b!=0 then do nothing.
// if b==0 then rd = rs
//
-def SelTBtneZSltu: SelT<0b001, "btnez", 0b00011, "sltu", IIAlu>;
+def SelTBtneZSltu: SelT<"btnez", "sltu">;
//
// Format: SelTBtneZSltiu rd, rs, rl, rr
// If b!=0 then do nothing.
// if b==0 then rd = rs
//
-def SelTBtneZSltiu: SeliT<0b001, "btnez", 0b01011, "sltiu", IIAlu>;
+def SelTBtneZSltiu: SeliT<"btnez", "sltiu">;
//
//
// Format: SH ry, offset(rx) MIPS16e
//
// Format: SLL rx, ry, sa MIPS16e
// Purpose: Shift Word Left Logical (Extended)
-// To execute a left-shift of a word by a fixed number of bits—0 to 31 bits.
+// To execute a left-shift of a word by a fixed number of bits-0 to 31 bits.
//
def SllX16: FEXT_SHIFT16_ins<0b00, "sll", IIAlu>;
//
def SllvRxRy16 : FRxRxRy16_ins<0b00100, "sllv", IIAlu>;
+// Format: SLTI rx, immediate MIPS16e
+// Purpose: Set on Less Than Immediate
+// To record the result of a less-than comparison with a constant.
+//
+//
+def SltiRxImm16: FRI16R_ins<0b01010, "slti", IIAlu> {
+ let Defs = [T8];
+}
+
//
// Format: SLTI rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate (Extended)
// To record the result of a less-than comparison with a constant.
//
-def SltiCCRxImmX16: FEXT_CCRXI16_ins<0b01010, "slti", IIAlu>;
+//
+def SltiRxImmX16: FEXT_RI16R_ins<0b01010, "slti", IIAlu> {
+ let Defs = [T8];
+}
+def SltiCCRxImmX16: FEXT_CCRXI16_ins<"slti">;
+
+// Format: SLTIU rx, immediate MIPS16e
+// Purpose: Set on Less Than Immediate Unsigned
+// To record the result of a less-than comparison with a constant.
+//
+//
+def SltiuRxImm16: FRI16R_ins<0b01011, "sltiu", IIAlu> {
+ let Defs = [T8];
+}
+
+//
+// Format: SLTI rx, immediate MIPS16e
+// Purpose: Set on Less Than Immediate Unsigned (Extended)
+// To record the result of a less-than comparison with a constant.
+//
+//
+def SltiuRxImmX16: FEXT_RI16R_ins<0b01011, "sltiu", IIAlu> {
+ let Defs = [T8];
+}
//
// Format: SLTIU rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate Unsigned (Extended)
// To record the result of a less-than comparison with a constant.
//
-def SltiuCCRxImmX16: FEXT_CCRXI16_ins<0b01011, "sltiu", IIAlu>;
+def SltiuCCRxImmX16: FEXT_CCRXI16_ins<"sltiu">;
//
// Format: SLT rx, ry MIPS16e
// Purpose: Set on Less Than
// To record the result of a less-than comparison.
//
-def SltRxRy16: FRR16_ins<0b00010, "slt", IIAlu>;
+def SltRxRy16: FRR16R_ins<0b00010, "slt", IIAlu>{
+ let Defs = [T8];
+}
-def SltCCRxRy16: FCCRR16_ins<0b00010, "slt", IIAlu>;
+def SltCCRxRy16: FCCRR16_ins<"slt">;
// Format: SLTU rx, ry MIPS16e
// Purpose: Set on Less Than Unsigned
// To record the result of an unsigned less-than comparison.
//
-def SltuRxRyRz16: FRRTR16_ins<0b00011, "sltu", IIAlu> {
+def SltuRxRy16: FRR16R_ins<0b00011, "sltu", IIAlu>{
+ let Defs = [T8];
+}
+
+def SltuRxRyRz16: FRRTR16_ins<"sltu"> {
let isCodeGenOnly=1;
+ let Defs = [T8];
}
-def SltuCCRxRy16: FCCRR16_ins<0b00011, "sltu", IIAlu>;
+def SltuCCRxRy16: FCCRR16_ins<"sltu">;
//
// Format: SRAV ry, rx MIPS16e
// Purpose: Shift Word Right Arithmetic Variable
// Format: SRA rx, ry, sa MIPS16e
// Purpose: Shift Word Right Arithmetic (Extended)
// To execute an arithmetic right-shift of a word by a fixed
-// number of bits—1 to 8 bits.
+// number of bits-1 to 8 bits.
//
def SraX16: FEXT_SHIFT16_ins<0b11, "sra", IIAlu>;
// Format: SRL rx, ry, sa MIPS16e
// Purpose: Shift Word Right Logical (Extended)
// To execute a logical right-shift of a word by a fixed
-// number of bits—1 to 31 bits.
+// number of bits-1 to 31 bits.
//
def SrlX16: FEXT_SHIFT16_ins<0b10, "srl", IIAlu>;
// Purpose: Store Word rx (SP-Relative)
// To store an SP-relative word to memory.
//
-def SwRxSpImmX16: FEXT_RI16_SP_explicit_ins<0b11010, "sw", IIStore>, MayStore;
+def SwRxSpImmX16: FEXT_RI16_SP_Store_explicit_ins
+ <0b11010, "sw", IIStore>, MayStore;
//
//
// Large (>16 bit) immediate loads
-def : Mips16Pat<(i32 imm:$imm),
- (OrRxRxRy16 (SllX16 (LiRxImmX16 (HI16 imm:$imm)), 16),
- (LiRxImmX16 (LO16 imm:$imm)))>;
+def : Mips16Pat<(i32 imm:$imm), (LwConstant32 imm:$imm, -1)>;
// Carry MipsPatterns
def : Mips16Pat<(subc CPU16Regs:$lhs, CPU16Regs:$rhs),
def: Mips16Pat
<(brcond (i32 (seteq CPU16Regs:$rx, 0)), bb:$targ16),
- (BeqzRxImmX16 CPU16Regs:$rx, bb:$targ16)
+ (BeqzRxImm16 CPU16Regs:$rx, bb:$targ16)
>;
//
def: Mips16Pat
<(brcond (i32 (setne CPU16Regs:$rx, 0)), bb:$targ16),
- (BnezRxImmX16 CPU16Regs:$rx, bb:$targ16)
+ (BnezRxImm16 CPU16Regs:$rx, bb:$targ16)
>;
//
//
def: Mips16Pat
<(brcond CPU16Regs:$rx, bb:$targ16),
- (BnezRxImmX16 CPU16Regs:$rx, bb:$targ16)
+ (BnezRxImm16 CPU16Regs:$rx, bb:$targ16)
>;
//
// (BtnezT8SltuX16 CPU16Regs:$rx, CPU16Regs:$ry, bb:$imm16)
// >;
-def: UncondBranch16_pat<br, BimmX16>;
+def: UncondBranch16_pat<br, Bimm16>;
// Small immediates
def: Mips16Pat<(i32 immSExt16:$in),
// MipsDivRem
//
def: Mips16Pat
- <(MipsDivRem CPU16Regs:$rx, CPU16Regs:$ry),
+ <(MipsDivRem16 CPU16Regs:$rx, CPU16Regs:$ry),
(DivRxRy16 CPU16Regs:$rx, CPU16Regs:$ry)>;
//
// MipsDivRemU
//
def: Mips16Pat
- <(MipsDivRemU CPU16Regs:$rx, CPU16Regs:$ry),
+ <(MipsDivRemU16 CPU16Regs:$rx, CPU16Regs:$ry),
(DivuRxRy16 CPU16Regs:$rx, CPU16Regs:$ry)>;
// signed a,b
//
def: Mips16Pat
<(setle CPU16Regs:$lhs, CPU16Regs:$rhs),
- (XorRxRxRy16 (SltCCRxRy16 CPU16Regs:$rhs, CPU16Regs:$lhs), (LiRxImmX16 1))>;
+ (XorRxRxRy16 (SltCCRxRy16 CPU16Regs:$rhs, CPU16Regs:$lhs), (LiRxImm16 1))>;
//
// setlt
(AddiuRxRxImmX16 CPU16Regs:$hi, tglobaladdr:$lo)>;
// hi/lo relocs
-
-def : Mips16Pat<(MipsHi tglobaladdr:$in),
+def : Mips16Pat<(MipsHi tblockaddress:$in),
+ (SllX16 (LiRxImmX16 tblockaddress:$in), 16)>;
+def : Mips16Pat<(MipsHi tglobaladdr:$in),
(SllX16 (LiRxImmX16 tglobaladdr:$in), 16)>;
def : Mips16Pat<(MipsHi tjumptable:$in),
(SllX16 (LiRxImmX16 tjumptable:$in), 16)>;
def : Mips16Pat<(MipsHi tglobaltlsaddr:$in),
(SllX16 (LiRxImmX16 tglobaltlsaddr:$in), 16)>;
+def : Mips16Pat<(MipsLo tblockaddress:$in), (LiRxImmX16 tblockaddress:$in)>;
+
// wrapper_pic
class Wrapper16Pat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
Mips16Pat<(MipsWrapper RC:$gp, node:$in),
(LbuRxRyOffMemX16 addr16:$src)>;
def : Mips16Pat<(i32 (extloadi16 addr16:$src)),
(LhuRxRyOffMemX16 addr16:$src)>;
+
+def: Mips16Pat<(trap), (Break16)>;
+
+def : Mips16Pat<(sext_inreg CPU16Regs:$val, i8),
+ (SebRx16 CPU16Regs:$val)>;
+
+def : Mips16Pat<(sext_inreg CPU16Regs:$val, i16),
+ (SehRx16 CPU16Regs:$val)>;
+
+def GotPrologue16:
+ MipsPseudo16<
+ (outs CPU16Regs:$rh, CPU16Regs:$rl),
+ (ins simm16:$immHi, simm16:$immLo),
+ ".align 2\n\tli\t$rh, $immHi\n\taddiu\t$rl, $$pc, $immLo\n ",[]> ;
+
+// An operand for the CONSTPOOL_ENTRY pseudo-instruction.
+def cpinst_operand : Operand<i32> {
+ // let PrintMethod = "printCPInstOperand";
+}
+
+// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
+// the function. The first operand is the ID# for this instruction, the second
+// is the index into the MachineConstantPool that this is, the third is the
+// size in bytes of this constant pool entry.
+//
+let neverHasSideEffects = 1, isNotDuplicable = 1 in
+def CONSTPOOL_ENTRY :
+MipsPseudo16<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
+ i32imm:$size), "foo", []>;
+