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-rw-r--r--lib/Target/Mips/AsmParser/MipsAsmParser.cpp33
-rw-r--r--lib/Target/Mips/Disassembler/MipsDisassembler.cpp3
-rw-r--r--lib/Target/Mips/MicroMips32r6InstrFormats.td15
-rw-r--r--lib/Target/Mips/MicroMips32r6InstrInfo.td30
-rw-r--r--lib/Target/Mips/MicroMipsInstrInfo.td20
-rw-r--r--test/MC/Disassembler/Mips/micromips32r6/valid.txt2
-rw-r--r--test/MC/Disassembler/Mips/micromips64r6/valid.txt2
-rw-r--r--test/MC/Mips/micromips/invalid.s8
-rw-r--r--test/MC/Mips/micromips32r6/invalid.s8
-rw-r--r--test/MC/Mips/micromips32r6/valid.s2
-rw-r--r--test/MC/Mips/micromips64r6/invalid.s8
-rw-r--r--test/MC/Mips/micromips64r6/valid.s2
12 files changed, 123 insertions, 10 deletions
diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 001a9be332d..1b61535c75a 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -1007,9 +1007,19 @@ public:
void addRegPairOperands(MCInst &Inst, unsigned N) const {
assert(N == 2 && "Invalid number of operands!");
+ assert((RegIdx.Kind & RegKind_GPR) && "Invalid access!");
unsigned RegNo = getRegPair();
- Inst.addOperand(MCOperand::createReg(RegNo++));
- Inst.addOperand(MCOperand::createReg(RegNo));
+ AsmParser.warnIfRegIndexIsAT(RegNo, StartLoc);
+ Inst.addOperand(MCOperand::createReg(
+ RegIdx.RegInfo->getRegClass(
+ AsmParser.getABI().AreGprs64bit()
+ ? Mips::GPR64RegClassID
+ : Mips::GPR32RegClassID).getRegister(RegNo++)));
+ Inst.addOperand(MCOperand::createReg(
+ RegIdx.RegInfo->getRegClass(
+ AsmParser.getABI().AreGprs64bit()
+ ? Mips::GPR64RegClassID
+ : Mips::GPR32RegClassID).getRegister(RegNo)));
}
void addMovePRegPairOperands(MCInst &Inst, unsigned N) const {
@@ -1156,7 +1166,9 @@ public:
assert(Kind == k_Token && "Invalid access!");
return StringRef(Tok.Data, Tok.Length);
}
- bool isRegPair() const { return Kind == k_RegPair; }
+ bool isRegPair() const {
+ return Kind == k_RegPair && RegIdx.Index <= 30;
+ }
unsigned getReg() const override {
// As a special case until we sort out the definition of div/divu, pretend
@@ -1311,9 +1323,9 @@ public:
}
static std::unique_ptr<MipsOperand>
- CreateRegPair(unsigned RegNo, SMLoc S, SMLoc E, MipsAsmParser &Parser) {
+ CreateRegPair(MipsOperand MOP, SMLoc S, SMLoc E, MipsAsmParser &Parser) {
auto Op = make_unique<MipsOperand>(k_RegPair, Parser);
- Op->RegIdx.Index = RegNo;
+ Op->RegIdx.Index = MOP.RegIdx.Index;
Op->StartLoc = S;
Op->EndLoc = E;
return Op;
@@ -3618,11 +3630,15 @@ unsigned MipsAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
// As described by the Mips32r2 spec, the registers Rd and Rs for
// jalr.hb must be different.
// It also applies for registers Rt and Rs of microMIPSr6 jalrc.hb instruction
+ // and registers Rd and Base for microMIPS lwp instruction
unsigned Opcode = Inst.getOpcode();
if ((Opcode == Mips::JALR_HB || Opcode == Mips::JALRC_HB_MMR6) &&
(Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg()))
return Match_RequiresDifferentSrcAndDst;
+ else if ((Opcode == Mips::LWP_MM || Opcode == Mips::LWP_MMR6) &&
+ (Inst.getOperand(0).getReg() == Inst.getOperand(2).getReg()))
+ return Match_RequiresDifferentSrcAndDst;
return Match_Success;
}
@@ -3786,6 +3802,9 @@ bool MipsAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
case Match_MemSImm11:
return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
"expected memory with 11-bit signed offset");
+ case Match_MemSImm12:
+ return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
+ "expected memory with 12-bit signed offset");
case Match_MemSImm16:
return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
"expected memory with 16-bit signed offset");
@@ -4673,9 +4692,9 @@ MipsAsmParser::parseRegisterPair(OperandVector &Operands) {
SMLoc E = Parser.getTok().getLoc();
MipsOperand &Op = static_cast<MipsOperand &>(*Operands.back());
- unsigned Reg = Op.getGPR32Reg();
+
Operands.pop_back();
- Operands.push_back(MipsOperand::CreateRegPair(Reg, S, E, *this));
+ Operands.push_back(MipsOperand::CreateRegPair(Op, S, E, *this));
return MatchOperand_Success;
}
diff --git a/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
index eeaa5ade9c5..c77cc47e1af 100644
--- a/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
+++ b/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
@@ -1552,7 +1552,8 @@ static DecodeStatus DecodeMemMMImm12(MCInst &Inst,
// fallthrough
default:
Inst.addOperand(MCOperand::createReg(Reg));
- if (Inst.getOpcode() == Mips::LWP_MM || Inst.getOpcode() == Mips::SWP_MM)
+ if (Inst.getOpcode() == Mips::LWP_MM || Inst.getOpcode() == Mips::SWP_MM ||
+ Inst.getOpcode() == Mips::LWP_MMR6 || Inst.getOpcode() == Mips::SWP_MMR6)
Inst.addOperand(MCOperand::createReg(Reg+1));
Inst.addOperand(MCOperand::createReg(Base));
diff --git a/lib/Target/Mips/MicroMips32r6InstrFormats.td b/lib/Target/Mips/MicroMips32r6InstrFormats.td
index ae0c506119f..a7b16d3dbf9 100644
--- a/lib/Target/Mips/MicroMips32r6InstrFormats.td
+++ b/lib/Target/Mips/MicroMips32r6InstrFormats.td
@@ -978,3 +978,18 @@ class POOL32A_DVPEVP_FM_MMR6<string instr_asm, bits<10> funct>
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
+
+class POOL32B_LWP_SWP_FM_MMR6<bits<4> funct> : MipsR6Inst {
+ bits<5> rd;
+ bits<21> addr;
+ bits<5> base = addr{20-16};
+ bits<12> offset = addr{11-0};
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x8;
+ let Inst{25-21} = rd;
+ let Inst{20-16} = base;
+ let Inst{15-12} = funct;
+ let Inst{11-0} = offset;
+}
diff --git a/lib/Target/Mips/MicroMips32r6InstrInfo.td b/lib/Target/Mips/MicroMips32r6InstrInfo.td
index 8df942fec4a..a180a570ba7 100644
--- a/lib/Target/Mips/MicroMips32r6InstrInfo.td
+++ b/lib/Target/Mips/MicroMips32r6InstrInfo.td
@@ -75,6 +75,7 @@ class JIC_MMR6_ENC : JMP_IDX_COMPACT_FM<0b101000>;
class JRC16_MMR6_ENC: POOL16C_JALRC_FM_MM16R6<0x3>;
class JRCADDIUSP_MMR6_ENC : POOL16C_JRCADDIUSP_FM_MM16R6<0x13>;
class LSA_MMR6_ENC : POOL32A_LSA_FM<0b001111>;
+class LWP_MMR6_ENC : POOL32B_LWP_SWP_FM_MMR6<0x1>;
class LWPC_MMR6_ENC : PCREL19_FM_MMR6<0b01>;
class LWM16_MMR6_ENC : POOL16C_LWM_SWM_FM_MM16R6<0x2>;
class MFC0_MMR6_ENC : POOL32A_MFTC0_FM_MMR6<"mfc0", 0b00011, 0b111100>;
@@ -113,6 +114,7 @@ class SWE_MMR6_ENC : POOL32C_SWE_FM_MMR6<"swe", 0x18, 0xa, 0x7>;
class SW16_MMR6_ENC : LOAD_STORE_FM_MM16<0x3a>;
class SWM16_MMR6_ENC : POOL16C_LWM_SWM_FM_MM16R6<0xa>;
class SWSP_MMR6_ENC : LOAD_STORE_SP_FM_MM16<0x32>;
+class SWP_MMR6_ENC : POOL32B_LWP_SWP_FM_MMR6<0x9>;
class PREFE_MMR6_ENC : POOL32C_ST_EVA_FM_MMR6<0b011000, 0b010>;
class CACHEE_MMR6_ENC : POOL32C_ST_EVA_FM_MMR6<0b011000, 0b011>;
class WRPGPR_MMR6_ENC : POOL32A_WRPGPR_WSBH_FM_MMR6<0x3c5>;
@@ -526,6 +528,32 @@ class PCREL_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
class ADDIUPC_MMR6_DESC : PCREL_MMR6_DESC_BASE<"addiupc", GPR32Opnd, simm19_lsl2>;
class LWPC_MMR6_DESC: PCREL_MMR6_DESC_BASE<"lwpc", GPR32Opnd, simm19_lsl2>;
+class LWP_MMR6_DESC : MMR6Arch<"lwp"> {
+ dag OutOperandList = (outs regpair:$rd);
+ dag InOperandList = (ins mem_simm12:$addr);
+ string AsmString = !strconcat("lwp", "\t$rd, $addr");
+ list<dag> Pattern = [];
+ InstrItinClass Itin = NoItinerary;
+ ComplexPattern Addr = addr;
+ Format f = FrmI;
+ string BaseOpcode = "lwp";
+ string DecoderMethod = "DecodeMemMMImm12";
+ bit mayLoad = 1;
+}
+
+class SWP_MMR6_DESC : MMR6Arch<"swp"> {
+ dag OutOperandList = (outs);
+ dag InOperandList = (ins regpair:$rd, mem_simm12:$addr);
+ string AsmString = !strconcat("swp", "\t$rd, $addr");
+ list<dag> Pattern = [];
+ InstrItinClass Itin = NoItinerary;
+ ComplexPattern Addr = addr;
+ Format f = FrmI;
+ string BaseOpcode = "swp";
+ string DecoderMethod = "DecodeMemMMImm12";
+ bit mayStore = 1;
+}
+
class SELEQNE_Z_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
: MMR6Arch<instr_asm> {
dag OutOperandList = (outs GPROpnd:$rd);
@@ -1174,6 +1202,7 @@ def JRC16_MMR6 : R6MMR6Rel, JRC16_MMR6_DESC, JRC16_MMR6_ENC, ISA_MICROMIPS32R6;
def JRCADDIUSP_MMR6 : R6MMR6Rel, JRCADDIUSP_MMR6_DESC, JRCADDIUSP_MMR6_ENC,
ISA_MICROMIPS32R6;
def LSA_MMR6 : R6MMR6Rel, LSA_MMR6_ENC, LSA_MMR6_DESC, ISA_MICROMIPS32R6;
+def LWP_MMR6 : StdMMR6Rel, LWP_MMR6_ENC, LWP_MMR6_DESC, ISA_MICROMIPS32R6;
def LWPC_MMR6 : R6MMR6Rel, LWPC_MMR6_ENC, LWPC_MMR6_DESC, ISA_MICROMIPS32R6;
def LWM16_MMR6 : StdMMR6Rel, LWM16_MMR6_DESC, LWM16_MMR6_ENC, ISA_MICROMIPS32R6;
def MTC0_MMR6 : StdMMR6Rel, MTC0_MMR6_ENC, MTC0_MMR6_DESC, ISA_MICROMIPS32R6;
@@ -1221,6 +1250,7 @@ def SUBU_MMR6 : StdMMR6Rel, SUBU_MMR6_DESC, SUBU_MMR6_ENC, ISA_MICROMIPS32R6;
def SW16_MMR6 : StdMMR6Rel, SW16_MMR6_DESC, SW16_MMR6_ENC, ISA_MICROMIPS32R6;
def SWM16_MMR6 : StdMMR6Rel, SWM16_MMR6_DESC, SWM16_MMR6_ENC, ISA_MICROMIPS32R6;
def SWSP_MMR6 : StdMMR6Rel, SWSP_MMR6_DESC, SWSP_MMR6_ENC, ISA_MICROMIPS32R6;
+def SWP_MMR6 : StdMMR6Rel, SWP_MMR6_ENC, SWP_MMR6_DESC, ISA_MICROMIPS32R6;
def PREFE_MMR6 : StdMMR6Rel, PREFE_MMR6_ENC, PREFE_MMR6_DESC, ISA_MICROMIPS32R6;
def CACHEE_MMR6 : StdMMR6Rel, CACHEE_MMR6_ENC, CACHEE_MMR6_DESC,
ISA_MICROMIPS32R6;
diff --git a/lib/Target/Mips/MicroMipsInstrInfo.td b/lib/Target/Mips/MicroMipsInstrInfo.td
index ea5b9c17bf0..d552109b75a 100644
--- a/lib/Target/Mips/MicroMipsInstrInfo.td
+++ b/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -128,6 +128,21 @@ def mem_mm_4sp : Operand<i32> {
let OperandType = "OPERAND_MEMORY";
}
+def MipsMemSimm12AsmOperand : AsmOperandClass {
+ let Name = "MemOffsetSimm12";
+ let SuperClasses = [MipsMemAsmOperand];
+ let RenderMethod = "addMemOperands";
+ let ParserMethod = "parseMemOperand";
+ let PredicateMethod = "isMemWithSimmOffset<12>";
+ let DiagnosticType = "MemSImm12";
+}
+
+def mem_simm12 : mem_generic {
+ let MIOperandInfo = (ops ptr_rc, simm12);
+ let EncoderMethod = "getMemEncoding";
+ let ParserMatchClass = MipsMemSimm12AsmOperand;
+}
+
def jmptarget_mm : Operand<OtherVT> {
let EncoderMethod = "getJumpTargetOpValueMM";
}
@@ -217,6 +232,7 @@ MicroMipsInst16<(outs movep_regpair:$dst_regs), (ins RO:$rs, RO:$rt),
def RegPairAsmOperand : AsmOperandClass {
let Name = "RegPair";
let ParserMethod = "parseRegisterPair";
+ let PredicateMethod = "isRegPair";
}
def regpair : Operand<i32> {
@@ -229,7 +245,7 @@ def regpair : Operand<i32> {
class StorePairMM<string opstr, InstrItinClass Itin = NoItinerary,
ComplexPattern Addr = addr> :
- InstSE<(outs), (ins regpair:$rt, mem_mm_12:$addr),
+ InstSE<(outs), (ins regpair:$rt, mem_simm12:$addr),
!strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI, opstr> {
let DecoderMethod = "DecodeMemMMImm12";
let mayStore = 1;
@@ -237,7 +253,7 @@ class StorePairMM<string opstr, InstrItinClass Itin = NoItinerary,
class LoadPairMM<string opstr, InstrItinClass Itin = NoItinerary,
ComplexPattern Addr = addr> :
- InstSE<(outs regpair:$rt), (ins mem_mm_12:$addr),
+ InstSE<(outs regpair:$rt), (ins mem_simm12:$addr),
!strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI, opstr> {
let DecoderMethod = "DecodeMemMMImm12";
let mayLoad = 1;
diff --git a/test/MC/Disassembler/Mips/micromips32r6/valid.txt b/test/MC/Disassembler/Mips/micromips32r6/valid.txt
index 38475325617..13a9abfee14 100644
--- a/test/MC/Disassembler/Mips/micromips32r6/valid.txt
+++ b/test/MC/Disassembler/Mips/micromips32r6/valid.txt
@@ -307,3 +307,5 @@
0x00 0x65 0x10 0x90 # CHECK: srav $2, $3, $5
0x00 0x83 0x38 0x40 # CHECK: srl $4, $3, 7
0x00 0x65 0x10 0x50 # CHECK: srlv $2, $3, $5
+0x22 0x04 0x10 0x08 # CHECK: lwp $16, 8($4)
+0x22 0x04 0x90 0x08 # CHECK: swp $16, 8($4)
diff --git a/test/MC/Disassembler/Mips/micromips64r6/valid.txt b/test/MC/Disassembler/Mips/micromips64r6/valid.txt
index 757e6e3d103..58e27a490e1 100644
--- a/test/MC/Disassembler/Mips/micromips64r6/valid.txt
+++ b/test/MC/Disassembler/Mips/micromips64r6/valid.txt
@@ -256,3 +256,5 @@
0x58 0xa4 0x18 0x58 # CHECK: dmuh $3, $4, $5
0x58 0xa4 0x18 0x98 # CHECK: dmulu $3, $4, $5
0x58 0xa4 0x18 0xd8 # CHECK: dmuhu $3, $4, $5
+0x22 0x04 0x10 0x08 # CHECK: lwp $16, 8($4)
+0x22 0x04 0x90 0x08 # CHECK: swp $16, 8($4)
diff --git a/test/MC/Mips/micromips/invalid.s b/test/MC/Mips/micromips/invalid.s
index f034f312d72..9ef6d865a77 100644
--- a/test/MC/Mips/micromips/invalid.s
+++ b/test/MC/Mips/micromips/invalid.s
@@ -83,3 +83,11 @@
she $4, 8($33) # CHECK: :[[@LINE]]:11: error: expected memory with 9-bit signed offset
she $4, 512($5) # CHECK: :[[@LINE]]:11: error: expected memory with 9-bit signed offset
she $4, -513($5) # CHECK: :[[@LINE]]:11: error: expected memory with 9-bit signed offset
+ lwp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ # FIXME: This ought to point at the $34 but memory is treated as one operand.
+ lwp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 8($16) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: source and destination must be different
+ swp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ swp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ swp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
diff --git a/test/MC/Mips/micromips32r6/invalid.s b/test/MC/Mips/micromips32r6/invalid.s
index 7ebbc6fa320..ad1eb6ff251 100644
--- a/test/MC/Mips/micromips32r6/invalid.s
+++ b/test/MC/Mips/micromips32r6/invalid.s
@@ -188,3 +188,11 @@
swm32 $5, $6, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: $16 or $31 expected
swm32 $16, $19, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: consecutive register numbers expected
swm32 $16-$25, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid register operand
+ lwp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ # FIXME: This ought to point at the $34 but memory is treated as one operand.
+ lwp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 8($16) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: source and destination must be different
+ swp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ swp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ swp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
diff --git a/test/MC/Mips/micromips32r6/valid.s b/test/MC/Mips/micromips32r6/valid.s
index 23cd4275377..041915711a4 100644
--- a/test/MC/Mips/micromips32r6/valid.s
+++ b/test/MC/Mips/micromips32r6/valid.s
@@ -327,3 +327,5 @@
sll $3, 7 # CHECK: sll $3, $3, 7 # encoding: [0x00,0x63,0x38,0x00]
sra $3, 7 # CHECK: sra $3, $3, 7 # encoding: [0x00,0x63,0x38,0x80]
srl $3, 7 # CHECK: srl $3, $3, 7 # encoding: [0x00,0x63,0x38,0x40]
+ lwp $16, 8($4) # CHECK: lwp $16, 8($4) # encoding: [0x22,0x04,0x10,0x08]
+ swp $16, 8($4) # CHECK: swp $16, 8($4) # encoding: [0x22,0x04,0x90,0x08]
diff --git a/test/MC/Mips/micromips64r6/invalid.s b/test/MC/Mips/micromips64r6/invalid.s
index 34995dda42e..c1c00dc5edf 100644
--- a/test/MC/Mips/micromips64r6/invalid.s
+++ b/test/MC/Mips/micromips64r6/invalid.s
@@ -220,3 +220,11 @@
swm32 $5, $6, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: $16 or $31 expected
swm32 $16, $19, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: consecutive register numbers expected
swm32 $16-$25, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid register operand
+ lwp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ # FIXME: This ought to point at the $34 but memory is treated as one operand.
+ lwp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ lwp $16, 8($16) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: source and destination must be different
+ swp $31, 8($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: invalid operand for instruction
+ swp $16, 8($34) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
+ swp $16, 4096($4) # CHECK: :[[@LINE]]:{{[0-9]+}}: error: expected memory with 12-bit signed offset
diff --git a/test/MC/Mips/micromips64r6/valid.s b/test/MC/Mips/micromips64r6/valid.s
index 45172a796e9..b08bb7b5f62 100644
--- a/test/MC/Mips/micromips64r6/valid.s
+++ b/test/MC/Mips/micromips64r6/valid.s
@@ -259,5 +259,7 @@ a:
dmuh $3, $4, $5 # CHECK dmuh $3, $4, $5 # encoding: [0x58,0xa4,0x18,0x58]
dmulu $3, $4, $5 # CHECK dmulu $3, $4, $5 # encoding: [0x58,0xa4,0x18,0x98]
dmuhu $3, $4, $5 # CHECK dmuhu $3, $4, $5 # encoding: [0x58,0xa4,0x18,0xd8]
+ lwp $16, 8($4) # CHECK: lwp $16, 8($4) # encoding: [0x22,0x04,0x10,0x08]
+ swp $16, 8($4) # CHECK: swp $16, 8($4) # encoding: [0x22,0x04,0x90,0x08]
1: