// 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";
}
//
+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, $imm \t# 16 bit inst", itin>;
+
+class FRI16R_ins_base<bits<5> op, string asmstr, string asmstr2,
+ InstrItinClass itin>:
+ FRI16<op, (outs), (ins CPU16Regs:$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, $imm # 16 bit inst"), [], itin>;
//
// Compare a register and immediate and place result in CC
// Implicit use of T8
MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, simm16:$imm),
!strconcat(asmstr, "\t$rx, $imm\n\tmove\t$cc, $$t8"), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
// JAL and JALX instruction format
MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, CPU16Regs:$ry),
!strconcat(asmstr, "\t$rx, $ry\n\tmove\t$cc, $$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, $$pc, $imm", itin>;
FEXT_RI16<_op, (outs CPU16Regs:$rx), (ins CPUSPReg:$ry, simm16:$imm),
!strconcat(asmstr, "\t$rx, $imm ( $ry ); "), [], itin>;
+class FEXT_RI16_SP_Store_explicit_ins<bits<5> _op, string asmstr,
+ InstrItinClass itin>:
+ FEXT_RI16<_op, (outs), (ins CPU16Regs:$rx, CPUSPReg:$ry, simm16:$imm),
+ !strconcat(asmstr, "\t$rx, $imm ( $ry ); "), [], itin>;
+
//
// EXT-RRI instruction format
//
!strconcat(asmstr2, !strconcat("\t$rx, $ry\n\t",
!strconcat(asmstr, "\t$imm"))),[]> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
!strconcat(asmstr2, !strconcat("\t$rx, $imm\n\t",
!strconcat(asmstr, "\t$targ"))), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
// I8_MOVR32 instruction format (used only by the MOVR32 instructio
//
class FI8_MOVR3216_ins<string asmstr, InstrItinClass itin>:
- FI8_MOVR3216<(outs CPU16Regs:$rz), (ins CPURegs:$r32),
+ FI8_MOVR3216<(outs CPU16Regs:$rz), (ins GPR32:$r32),
!strconcat(asmstr, "\t$rz, $r32"), [], itin>;
//
//
class FI8_MOV32R16_ins<string asmstr, InstrItinClass itin>:
- FI8_MOV32R16<(outs CPURegs:$r32), (ins CPU16Regs:$rz),
+ FI8_MOV32R16<(outs GPR32:$r32), (ins CPU16Regs:$rz),
!strconcat(asmstr, "\t$r32, $rz"), [], itin>;
//
!strconcat(asmstr, "\t$rx, $ry"), [], itin> {
}
+class FRRBreakNull16_ins<string asmstr, InstrItinClass itin> :
+ FRRBreak16<(outs), (ins), asmstr, [], itin> {
+ let Code=0;
+}
+
+class FRR16R_ins<bits<5> f, string asmstr, InstrItinClass itin> :
+ FRR16<f, (outs), (ins CPU16Regs:$rx, CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rx, $ry"), [], itin> {
+}
+
class FRRTR16_ins<string asmstr> :
MipsPseudo16<(outs CPU16Regs:$rz), (ins CPU16Regs:$rx, CPU16Regs:$ry),
!strconcat(asmstr, "\t$rx, $ry\n\tmove\t$rz, $$t8"), []> ;
!strconcat(op, "\t$rt, .+4\n\t\n\tmove $rd, $rs"), []> {
//let isCodeGenOnly=1;
let Constraints = "$rd = $rd_";
+ let usesCustomInserter = 1;
}
//
!strconcat(op1, "\t.+4\n\tmove $rd, $rs"))), []> {
let isCodeGenOnly=1;
let Constraints = "$rd = $rd_";
+ let usesCustomInserter = 1;
}
//
//
//
class SelT<string op1, string op2>:
- MipsPseudo16<(outs CPU16Regs:$rd_),
+ MipsPseudo16<(outs CPU16Regs:$rd_),
(ins CPU16Regs:$rd, CPU16Regs:$rs,
CPU16Regs:$rl, CPU16Regs:$rr),
!strconcat(op2,
!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:$imm),
"lw\t$rx, 1f\n\tb\t2f\n\t.align\t2\n1: \t.word\t$imm\n2:", []>;
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 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)
// Purpose: Compare
// To compare the contents of two GPRs.
//
-def CmpRxRy16: FRR16_ins<0b01010, "cmp", IIAlu> {
+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];
}
// 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 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
// Purpose: Load Immediate (Extended)
// 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 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 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)
// 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<"slt">;
// Purpose: Set on Less Than Unsigned
// To record the result of an unsigned less-than comparison.
//
-def SltuRxRy16: FRR16_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];
}
// 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;
//
//
// 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:$lhs), (LiRxImm16 1))>;
//
// setlt
// hi/lo relocs
-def : Mips16Pat<(MipsHi tglobaladdr:$in),
+def : Mips16Pat<(MipsHi tglobaladdr:$in),
(SllX16 (LiRxImmX16 tglobaladdr:$in), 16)>;
def : Mips16Pat<(MipsHi tjumptable:$in),
(SllX16 (LiRxImmX16 tjumptable:$in), 16)>;
(LbuRxRyOffMemX16 addr16:$src)>;
def : Mips16Pat<(i32 (extloadi16 addr16:$src)),
(LhuRxRyOffMemX16 addr16:$src)>;
+
+def: Mips16Pat<(trap), (Break16)>;
+