// shamt must fit in 6 bits.
def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>;
-// Is a 32-bit int.
-def immSExt32 : ImmLeaf<i64, [{return isInt<32>(Imm);}]>;
-
-// Transformation Function - get the higher 16 bits.
-def HIGHER : SDNodeXForm<imm, [{
- return getImm(N, (N->getZExtValue() >> 32) & 0xFFFF);
-}]>;
-
-// Transformation Function - get the highest 16 bits.
-def HIGHEST : SDNodeXForm<imm, [{
- return getImm(N, (N->getZExtValue() >> 48) & 0xFFFF);
-}]>;
-
//===----------------------------------------------------------------------===//
// Instructions specific format
//===----------------------------------------------------------------------===//
// Shifts
// 64-bit shift instructions.
+let DecoderNamespace = "Mips64" in {
class shift_rotate_imm64<bits<6> func, bits<5> isRotate, string instr_asm,
SDNode OpNode>:
shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt6, shamt,
CPU64Regs>;
-// Jump and Link (Call)
-let isCall=1, hasDelaySlot=1,
- // All calls clobber the non-callee saved registers...
- Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
- K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
- class JumpLink64<bits<6> op, string instr_asm>:
- FJ<op, (outs), (ins calltarget64:$target, variable_ops),
- !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
- IIBranch>;
-
- class JumpLinkReg64<bits<6> op, bits<6> func, string instr_asm>:
- FR<op, func, (outs), (ins CPU64Regs:$rs, variable_ops),
- !strconcat(instr_asm, "\t$rs"),
- [(MipsJmpLink CPU64Regs:$rs)], IIBranch> {
- let rt = 0;
- let rd = 31;
- let shamt = 0;
- }
-
- class BranchLink64<string instr_asm>:
- FI<0x1, (outs), (ins CPU64Regs:$rs, brtarget:$imm16, variable_ops),
- !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch>;
-}
-
// Mul, Div
class Mult64<bits<6> func, string instr_asm, InstrItinClass itin>:
Mult<func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
Div<op, func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
multiclass Atomic2Ops64<PatFrag Op, string Opstr> {
- def #NAME# : Atomic2Ops<Op, Opstr, CPU64Regs, CPURegs>, Requires<[NotN64]>;
- def _P8 : Atomic2Ops<Op, Opstr, CPU64Regs, CPU64Regs>, Requires<[IsN64]>;
+ def #NAME# : Atomic2Ops<Op, Opstr, CPU64Regs, CPURegs>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : Atomic2Ops<Op, Opstr, CPU64Regs, CPU64Regs>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let isCodeGenOnly = 1;
+ }
}
multiclass AtomicCmpSwap64<PatFrag Op, string Width> {
- def #NAME# : AtomicCmpSwap<Op, Width, CPU64Regs, CPURegs>, Requires<[NotN64]>;
+ def #NAME# : AtomicCmpSwap<Op, Width, CPU64Regs, CPURegs>,
+ Requires<[NotN64, HasStandardEncoding]>;
def _P8 : AtomicCmpSwap<Op, Width, CPU64Regs, CPU64Regs>,
- Requires<[IsN64]>;
+ Requires<[IsN64, HasStandardEncoding]> {
+ let isCodeGenOnly = 1;
+ }
}
-
-let usesCustomInserter = 1, Predicates = [HasMips64] in {
+}
+let usesCustomInserter = 1, Predicates = [HasMips64, HasStandardEncoding],
+ DecoderNamespace = "Mips64" in {
defm ATOMIC_LOAD_ADD_I64 : Atomic2Ops64<atomic_load_add_64, "load_add_64">;
defm ATOMIC_LOAD_SUB_I64 : Atomic2Ops64<atomic_load_sub_64, "load_sub_64">;
defm ATOMIC_LOAD_AND_I64 : Atomic2Ops64<atomic_load_and_64, "load_and_64">;
//===----------------------------------------------------------------------===//
// Instruction definition
//===----------------------------------------------------------------------===//
-
+let DecoderNamespace = "Mips64" in {
/// Arithmetic Instructions (ALU Immediate)
def DADDiu : ArithLogicI<0x19, "daddiu", add, simm16_64, immSExt16,
CPU64Regs>;
def DSLL : shift_rotate_imm64<0x38, 0x00, "dsll", shl>;
def DSRL : shift_rotate_imm64<0x3a, 0x00, "dsrl", srl>;
def DSRA : shift_rotate_imm64<0x3b, 0x00, "dsra", sra>;
-def DSLLV : shift_rotate_reg<0x24, 0x00, "dsllv", shl, CPU64Regs>;
-def DSRLV : shift_rotate_reg<0x26, 0x00, "dsrlv", srl, CPU64Regs>;
-def DSRAV : shift_rotate_reg<0x27, 0x00, "dsrav", sra, CPU64Regs>;
-
+def DSLLV : shift_rotate_reg<0x14, 0x00, "dsllv", shl, CPU64Regs>;
+def DSRLV : shift_rotate_reg<0x16, 0x00, "dsrlv", srl, CPU64Regs>;
+def DSRAV : shift_rotate_reg<0x17, 0x00, "dsrav", sra, CPU64Regs>;
+let Pattern = []<dag> in {
+def DSLL32 : shift_rotate_imm64<0x3c, 0x00, "dsll32", shl>;
+def DSRL32 : shift_rotate_imm64<0x3e, 0x00, "dsrl32", srl>;
+def DSRA32 : shift_rotate_imm64<0x3f, 0x00, "dsra32", sra>;
+}
+}
// Rotate Instructions
-let Predicates = [HasMips64r2] in {
+let Predicates = [HasMips64r2, HasStandardEncoding],
+ DecoderNamespace = "Mips64" in {
def DROTR : shift_rotate_imm64<0x3a, 0x01, "drotr", rotr>;
def DROTRV : shift_rotate_reg<0x16, 0x01, "drotrv", rotr, CPU64Regs>;
}
+let DecoderNamespace = "Mips64" in {
/// Load and Store Instructions
-/// aligned
+/// aligned
defm LB64 : LoadM64<0x20, "lb", sextloadi8>;
defm LBu64 : LoadM64<0x24, "lbu", zextloadi8>;
defm LH64 : LoadM64<0x21, "lh", sextloadi16_a>;
defm ULD : LoadM64<0x37, "uld", load_u, 1>;
defm USD : StoreM64<0x3f, "usd", store_u, 1>;
+/// load/store left/right
+let isCodeGenOnly = 1 in {
+ defm LWL64 : LoadLeftRightM64<0x22, "lwl", MipsLWL>;
+ defm LWR64 : LoadLeftRightM64<0x26, "lwr", MipsLWR>;
+ defm SWL64 : StoreLeftRightM64<0x2a, "swl", MipsSWL>;
+ defm SWR64 : StoreLeftRightM64<0x2e, "swr", MipsSWR>;
+}
+defm LDL : LoadLeftRightM64<0x1a, "ldl", MipsLDL>;
+defm LDR : LoadLeftRightM64<0x1b, "ldr", MipsLDR>;
+defm SDL : StoreLeftRightM64<0x2c, "sdl", MipsSDL>;
+defm SDR : StoreLeftRightM64<0x2d, "sdr", MipsSDR>;
+
/// Load-linked, Store-conditional
-def LLD : LLBase<0x34, "lld", CPU64Regs, mem>, Requires<[NotN64]>;
-def LLD_P8 : LLBase<0x34, "lld", CPU64Regs, mem64>, Requires<[IsN64]>;
-def SCD : SCBase<0x3c, "scd", CPU64Regs, mem>, Requires<[NotN64]>;
-def SCD_P8 : SCBase<0x3c, "scd", CPU64Regs, mem64>, Requires<[IsN64]>;
+def LLD : LLBase<0x34, "lld", CPU64Regs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+def LLD_P8 : LLBase<0x34, "lld", CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let isCodeGenOnly = 1;
+}
+def SCD : SCBase<0x3c, "scd", CPU64Regs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+def SCD_P8 : SCBase<0x3c, "scd", CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let isCodeGenOnly = 1;
+}
/// Jump and Branch Instructions
-def JR64 : JumpFR<0x00, 0x08, "jr", CPU64Regs>;
-def JAL64 : JumpLink64<0x03, "jal">;
-def JALR64 : JumpLinkReg64<0x00, 0x09, "jalr">;
+def JR64 : IndirectBranch<CPU64Regs>;
def BEQ64 : CBranch<0x04, "beq", seteq, CPU64Regs>;
def BNE64 : CBranch<0x05, "bne", setne, CPU64Regs>;
def BGEZ64 : CBranchZero<0x01, 1, "bgez", setge, CPU64Regs>;
def BGTZ64 : CBranchZero<0x07, 0, "bgtz", setgt, CPU64Regs>;
-def BLEZ64 : CBranchZero<0x07, 0, "blez", setle, CPU64Regs>;
+def BLEZ64 : CBranchZero<0x06, 0, "blez", setle, CPU64Regs>;
def BLTZ64 : CBranchZero<0x01, 0, "bltz", setlt, CPU64Regs>;
+}
+let DecoderNamespace = "Mips64" in
+def JALR64 : JumpLinkReg<0x00, 0x09, "jalr", CPU64Regs>;
+let DecoderNamespace = "Mips64" in {
/// Multiply and Divide Instructions.
def DMULT : Mult64<0x1c, "dmult", IIImul>;
def DMULTu : Mult64<0x1d, "dmultu", IIImul>;
def MFHI64 : MoveFromLOHI<0x10, "mfhi", CPU64Regs, [HI64]>;
def MFLO64 : MoveFromLOHI<0x12, "mflo", CPU64Regs, [LO64]>;
+/// Sign Ext In Register Instructions.
+def SEB64 : SignExtInReg<0x10, "seb", i8, CPU64Regs>;
+def SEH64 : SignExtInReg<0x18, "seh", i16, CPU64Regs>;
+
/// Count Leading
def DCLZ : CountLeading0<0x24, "dclz", CPU64Regs>;
def DCLO : CountLeading1<0x25, "dclo", CPU64Regs>;
-def LEA_ADDiu64 : EffectiveAddress<"addiu\t$rt, $addr", CPU64Regs, mem_ea_64>;
-
-let Uses = [SP_64] in
-def DynAlloc64 : EffectiveAddress<"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>,
- Requires<[IsN64]>;
+/// Double Word Swap Bytes/HalfWords
+def DSBH : SubwordSwap<0x24, 0x2, "dsbh", CPU64Regs>;
+def DSHD : SubwordSwap<0x24, 0x5, "dshd", CPU64Regs>;
+def LEA_ADDiu64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>;
+}
+let Uses = [SP_64], DecoderNamespace = "Mips64" in
+def DynAlloc64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>,
+ Requires<[IsN64, HasStandardEncoding]>;
+let DecoderNamespace = "Mips64" in {
def RDHWR64 : ReadHardware<CPU64Regs, HWRegs64>;
def DEXT : ExtBase<3, "dext", CPU64Regs>;
def DINS : InsBase<7, "dins", CPU64Regs>;
-def DSLL64_32 : FR<0x3c, 0x00, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
- "dsll\t$rd, $rt, 32", [], IIAlu>;
-
-def SLL64_32 : FR<0x0, 0x00, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
- "sll\t$rd, $rt, 0", [], IIAlu>;
-
+let isCodeGenOnly = 1, rs = 0, shamt = 0 in {
+ def DSLL64_32 : FR<0x00, 0x3c, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
+ "dsll\t$rd, $rt, 32", [], IIAlu>;
+ def SLL64_32 : FR<0x0, 0x00, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
+ "sll\t$rd, $rt, 0", [], IIAlu>;
+ def SLL64_64 : FR<0x0, 0x00, (outs CPU64Regs:$rd), (ins CPU64Regs:$rt),
+ "sll\t$rd, $rt, 0", [], IIAlu>;
+}
+}
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
-// Small immediates
-def : Pat<(i64 immSExt16:$in),
- (DADDiu ZERO_64, imm:$in)>;
-def : Pat<(i64 immZExt16:$in),
- (ORi64 ZERO_64, imm:$in)>;
-def : Pat<(i64 immLUiOpnd:$in),
- (LUi64 (HI16 imm:$in))>;
-
-// 32-bit immediates
-def : Pat<(i64 immSExt32:$imm),
- (ORi64 (LUi64 (HI16 imm:$imm)), (LO16 imm:$imm))>;
-
-// Arbitrary immediates
-def : Pat<(i64 imm:$imm),
- (ORi64 (DSLL (ORi64 (DSLL (ORi64 (LUi64 (HIGHEST imm:$imm)),
- (HIGHER imm:$imm)), 16), (HI16 imm:$imm)), 16),
- (LO16 imm:$imm))>;
-
// extended loads
-let Predicates = [NotN64] in {
- def : Pat<(extloadi32_a addr:$a), (DSRL (DSLL (LW64 addr:$a), 32), 32)>;
- def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>;
+let Predicates = [NotN64, HasStandardEncoding] in {
+ def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>;
+ def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>;
+ def : MipsPat<(i64 (extloadi16_a addr:$src)), (LH64 addr:$src)>;
+ def : MipsPat<(i64 (extloadi16_u addr:$src)), (ULH64 addr:$src)>;
+ def : MipsPat<(i64 (extloadi32_a addr:$src)), (LW64 addr:$src)>;
+ def : MipsPat<(i64 (extloadi32_u addr:$src)), (ULW64 addr:$src)>;
+ def : MipsPat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>;
}
-let Predicates = [IsN64] in {
- def : Pat<(extloadi32_a addr:$a), (DSRL (DSLL (LW64_P8 addr:$a), 32), 32)>;
- def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64_P8 addr:$a), 32), 32)>;
+let Predicates = [IsN64, HasStandardEncoding] in {
+ def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64_P8 addr:$src)>;
+ def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64_P8 addr:$src)>;
+ def : MipsPat<(i64 (extloadi16_a addr:$src)), (LH64_P8 addr:$src)>;
+ def : MipsPat<(i64 (extloadi16_u addr:$src)), (ULH64_P8 addr:$src)>;
+ def : MipsPat<(i64 (extloadi32_a addr:$src)), (LW64_P8 addr:$src)>;
+ def : MipsPat<(i64 (extloadi32_u addr:$src)), (ULW64_P8 addr:$src)>;
+ def : MipsPat<(zextloadi32_u addr:$a),
+ (DSRL (DSLL (ULW64_P8 addr:$a), 32), 32)>;
}
// hi/lo relocs
-def : Pat<(MipsHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>;
-def : Pat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>;
-def : Pat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>;
-def : Pat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>;
-def : Pat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>;
-
-def : Pat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>;
-def : Pat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>;
-def : Pat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>;
-def : Pat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>;
-def : Pat<(MipsLo tglobaltlsaddr:$in), (DADDiu ZERO_64, tglobaltlsaddr:$in)>;
-
-def : Pat<(add CPU64Regs:$hi, (MipsLo tglobaladdr:$lo)),
- (DADDiu CPU64Regs:$hi, tglobaladdr:$lo)>;
-def : Pat<(add CPU64Regs:$hi, (MipsLo tblockaddress:$lo)),
- (DADDiu CPU64Regs:$hi, tblockaddress:$lo)>;
-def : Pat<(add CPU64Regs:$hi, (MipsLo tjumptable:$lo)),
- (DADDiu CPU64Regs:$hi, tjumptable:$lo)>;
-def : Pat<(add CPU64Regs:$hi, (MipsLo tconstpool:$lo)),
- (DADDiu CPU64Regs:$hi, tconstpool:$lo)>;
-def : Pat<(add CPU64Regs:$hi, (MipsLo tglobaltlsaddr:$lo)),
- (DADDiu CPU64Regs:$hi, tglobaltlsaddr:$lo)>;
-
-def : WrapperPat<tglobaladdr, DADDiu, GP_64>;
-def : WrapperPat<tconstpool, DADDiu, GP_64>;
-def : WrapperPat<texternalsym, DADDiu, GP_64>;
-def : WrapperPat<tblockaddress, DADDiu, GP_64>;
-def : WrapperPat<tjumptable, DADDiu, GP_64>;
-def : WrapperPat<tglobaltlsaddr, DADDiu, GP_64>;
+def : MipsPat<(MipsHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>;
+def : MipsPat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>;
+def : MipsPat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>;
+def : MipsPat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>;
+def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>;
+
+def : MipsPat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>;
+def : MipsPat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>;
+def : MipsPat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>;
+def : MipsPat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>;
+def : MipsPat<(MipsLo tglobaltlsaddr:$in),
+ (DADDiu ZERO_64, tglobaltlsaddr:$in)>;
+
+def : MipsPat<(add CPU64Regs:$hi, (MipsLo tglobaladdr:$lo)),
+ (DADDiu CPU64Regs:$hi, tglobaladdr:$lo)>;
+def : MipsPat<(add CPU64Regs:$hi, (MipsLo tblockaddress:$lo)),
+ (DADDiu CPU64Regs:$hi, tblockaddress:$lo)>;
+def : MipsPat<(add CPU64Regs:$hi, (MipsLo tjumptable:$lo)),
+ (DADDiu CPU64Regs:$hi, tjumptable:$lo)>;
+def : MipsPat<(add CPU64Regs:$hi, (MipsLo tconstpool:$lo)),
+ (DADDiu CPU64Regs:$hi, tconstpool:$lo)>;
+def : MipsPat<(add CPU64Regs:$hi, (MipsLo tglobaltlsaddr:$lo)),
+ (DADDiu CPU64Regs:$hi, tglobaltlsaddr:$lo)>;
+
+def : WrapperPat<tglobaladdr, DADDiu, CPU64Regs>;
+def : WrapperPat<tconstpool, DADDiu, CPU64Regs>;
+def : WrapperPat<texternalsym, DADDiu, CPU64Regs>;
+def : WrapperPat<tblockaddress, DADDiu, CPU64Regs>;
+def : WrapperPat<tjumptable, DADDiu, CPU64Regs>;
+def : WrapperPat<tglobaltlsaddr, DADDiu, CPU64Regs>;
defm : BrcondPats<CPU64Regs, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
ZERO_64>;
defm : SetgeImmPats<CPU64Regs, SLTi64, SLTiu64>;
// select MipsDynAlloc
-def : Pat<(MipsDynAlloc addr:$f), (DynAlloc64 addr:$f)>, Requires<[IsN64]>;
+def : MipsPat<(MipsDynAlloc addr:$f), (DynAlloc64 addr:$f)>,
+ Requires<[IsN64, HasStandardEncoding]>;
// truncate
-def : Pat<(i32 (trunc CPU64Regs:$src)),
- (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>, Requires<[IsN64]>;
-
+def : MipsPat<(i32 (trunc CPU64Regs:$src)),
+ (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>,
+ Requires<[IsN64, HasStandardEncoding]>;
+
// 32-to-64-bit extension
-def : Pat<(i64 (anyext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
-def : Pat<(i64 (zext CPURegs:$src)), (DSRL (DSLL64_32 CPURegs:$src), 32)>;
-def : Pat<(i64 (sext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+def : MipsPat<(i64 (anyext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+def : MipsPat<(i64 (zext CPURegs:$src)), (DSRL (DSLL64_32 CPURegs:$src), 32)>;
+def : MipsPat<(i64 (sext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+
+// Sign extend in register
+def : MipsPat<(i64 (sext_inreg CPU64Regs:$src, i32)),
+ (SLL64_64 CPU64Regs:$src)>;
+// bswap MipsPattern
+def : MipsPat<(bswap CPU64Regs:$rt), (DSHD (DSBH CPU64Regs:$rt))>;
projects / oota-llvm.git / blobdiff