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Diffstat (limited to 'lib/Target/Mips/MipsInstrInfo.td')
-rw-r--r--lib/Target/Mips/MipsInstrInfo.td100
1 files changed, 67 insertions, 33 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index aef1039569789..58791cf2734a7 100644
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -182,14 +182,14 @@ def HasMips64r6 : Predicate<"Subtarget->hasMips64r6()">,
AssemblerPredicate<"FeatureMips64r6">;
def NotMips64r6 : Predicate<"!Subtarget->hasMips64r6()">,
AssemblerPredicate<"!FeatureMips64r6">;
+def HasMicroMips32r6 : Predicate<"Subtarget->inMicroMips32r6Mode()">,
+ AssemblerPredicate<"FeatureMicroMips,FeatureMips32r6">;
def InMips16Mode : Predicate<"Subtarget->inMips16Mode()">,
AssemblerPredicate<"FeatureMips16">;
def HasCnMips : Predicate<"Subtarget->hasCnMips()">,
AssemblerPredicate<"FeatureCnMips">;
-def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
- AssemblerPredicate<"FeatureMips32">;
-def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
- AssemblerPredicate<"FeatureMips32">;
+def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
+def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
def HasStdEnc : Predicate<"Subtarget->hasStandardEncoding()">,
AssemblerPredicate<"!FeatureMips16">;
@@ -249,6 +249,9 @@ class ISA_MIPS64_NOT_64R6 {
class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
+class ISA_MICROMIPS32R6 {
+ list<Predicate> InsnPredicates = [HasMicroMips32r6];
+}
// The portions of MIPS-III that were also added to MIPS32
class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
@@ -1000,7 +1003,7 @@ class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
SDPatternOperator Op = null_frag>:
InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
!strconcat(opstr, " $rt, $rs, $pos, $size"),
- [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
+ [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
FrmR, opstr>, ISA_MIPS32R2;
class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
@@ -1008,7 +1011,7 @@ class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
!strconcat(opstr, " $rt, $rs, $pos, $size"),
[(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
- NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
+ II_INS, FrmR, opstr>, ISA_MIPS32R2 {
let Constraints = "$src = $rt";
}
@@ -1120,8 +1123,9 @@ def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
/// Arithmetic Instructions (ALU Immediate)
let AdditionalPredicates = [NotInMicroMips] in {
-def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
- add>, ADDI_FM<0x9>, IsAsCheapAsAMove;
+def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
+ II_ADDIU, immSExt16, add>,
+ ADDI_FM<0x9>, IsAsCheapAsAMove;
}
def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
ISA_MIPS1_NOT_32R6_64R6;
@@ -1130,36 +1134,40 @@ def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
SLTI_FM<0xb>;
let AdditionalPredicates = [NotInMicroMips] in {
-def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
- and>, ADDI_FM<0xc>;
+def ANDi : MMRel, StdMMR6Rel,
+ ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
+ ADDI_FM<0xc>;
}
-def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
- or>,
+def ORi : MMRel, StdMMR6Rel,
+ ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
ADDI_FM<0xd>;
-def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
- xor>,
+def XORi : MMRel, StdMMR6Rel,
+ ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
ADDI_FM<0xe>;
def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
-
+let AdditionalPredicates = [NotInMicroMips] in {
/// Arithmetic Instructions (3-Operand, R-Type)
-def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
+def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
ADD_FM<0, 0x21>;
def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
ADD_FM<0, 0x23>;
+}
let Defs = [HI0, LO0] in
def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
-def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
+def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
-def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
+let AdditionalPredicates = [NotInMicroMips] in {
+def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
ADD_FM<0, 0x24>;
-def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
+def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
ADD_FM<0, 0x25>;
-def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
+def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
ADD_FM<0, 0x26>;
-def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
+}
+def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
/// Shift Instructions
let AdditionalPredicates = [NotInMicroMips] in {
@@ -1192,11 +1200,15 @@ def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
LW_FM<0x21>;
def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
+let AdditionalPredicates = [NotInMicroMips] in {
def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
LW_FM<0x23>;
+}
def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
+let AdditionalPredicates = [NotInMicroMips] in {
def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
+}
/// load/store left/right
let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
@@ -1211,6 +1223,7 @@ def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
ISA_MIPS1_NOT_32R6_64R6;
}
+let AdditionalPredicates = [NotInMicroMips] in {
// COP2 Memory Instructions
def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
ISA_MIPS1_NOT_32R6_64R6;
@@ -1230,6 +1243,7 @@ let DecoderNamespace = "COP3_" in {
def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
ISA_MIPS2;
}
+}
def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
def SYNCI : MMRel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
@@ -1308,8 +1322,8 @@ let AdditionalPredicates = [NotInMicroMips] in {
def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
}
-// FIXME: JALX really requires either MIPS16 or microMIPS in addition to MIPS32.
-def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>, ISA_MIPS32_NOT_32R6_64R6;
+def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
+ ISA_MIPS32_NOT_32R6_64R6;
def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
ISA_MIPS1_NOT_32R6_64R6;
def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
@@ -1396,9 +1410,9 @@ def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
}
/// Sign Ext In Register Instructions.
-def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
+def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
-def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
+def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
/// Count Leading
@@ -1556,8 +1570,6 @@ def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
let Predicates = [NotInMicroMips] in {
def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
}
-def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
-def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
def : MipsInstAlias<"not $rt, $rs",
(NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
@@ -1573,6 +1585,8 @@ def : MipsInstAlias<"sltu $rt, $rs, $imm",
(SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
def : MipsInstAlias<"xor $rs, $rt, $imm",
(XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
+def : MipsInstAlias<"xor $rs, $imm",
+ (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
def : MipsInstAlias<"or $rs, $rt, $imm",
(ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
def : MipsInstAlias<"or $rs, $imm",
@@ -1582,11 +1596,17 @@ def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
+let AdditionalPredicates = [NotInMicroMips] in {
def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
+}
def : MipsInstAlias<"bnez $rs,$offset",
(BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
+def : MipsInstAlias<"bnezl $rs,$offset",
+ (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
def : MipsInstAlias<"beqz $rs,$offset",
(BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
+def : MipsInstAlias<"beqzl $rs,$offset",
+ (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
@@ -1631,20 +1651,26 @@ def : MipsInstAlias<"sync",
// Assembler Pseudo Instructions
//===----------------------------------------------------------------------===//
-class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
+class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
!strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
+def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
-class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
+class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
+ RegisterOperand RO> :
MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
!strconcat(instr_asm, "\t$rt, $addr")> ;
-def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
+def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
-class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
+class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
!strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
+def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
+
+def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
+ "jal\t$rd, $rs"> ;
+def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
+ "jal\t$rs"> ;
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
@@ -1748,9 +1774,11 @@ def : WrapperPat<tblockaddress, ADDiu, GPR32>;
def : WrapperPat<tjumptable, ADDiu, GPR32>;
def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
+let AdditionalPredicates = [NotInMicroMips] in {
// Mips does not have "not", so we expand our way
def : MipsPat<(not GPR32:$in),
(NOR GPR32Opnd:$in, ZERO)>;
+}
// extended loads
def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
@@ -1853,7 +1881,9 @@ def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
let AddedComplexity = 40 in {
def : LoadRegImmPat<LBu, i32, zextloadi8>;
def : LoadRegImmPat<LH, i32, sextloadi16>;
+ let AdditionalPredicates = [NotInMicroMips] in {
def : LoadRegImmPat<LW, i32, load>;
+ }
}
//===----------------------------------------------------------------------===//
@@ -1885,3 +1915,7 @@ include "MipsMSAInstrInfo.td"
include "MicroMipsInstrFormats.td"
include "MicroMipsInstrInfo.td"
include "MicroMipsInstrFPU.td"
+
+// Micromips r6
+include "MicroMips32r6InstrFormats.td"
+include "MicroMips32r6InstrInfo.td"
generated by cgit v1.3 (git 2.53.0) at 2026-09-08 18:19:06 +0000