[mips][microMIPSr6] Implement AND and ANDI instructions

[jkolek]

LGTM with a nit.

test/MC/Disassembler/Mips/micromips32r6.txt

13

Use the single-line style.

lib/Target/Mips/MicroMips32r6InstrInfo.td

 //===----------------------------------------------------------------------===//
 //
 // Instruction Encodings
 //
 //===----------------------------------------------------------------------===//
 class ADD_MMR6_ENC : ARITH_FM_MMR6<"add", 0x110>;
 class ADDIU_MMR6_ENC : ADDI_FM_MMR6<"addiu", 0xc>;
 class ADDU_MMR6_ENC : ARITH_FM_MMR6<"addu", 0x150>;
+class AND_MMR6_ENC : ARITH_FM_MMR6<"and", 0x250>;
+class ANDI_MMR6_ENC : ADDI_FM_MMR6<"andi", 0x34>;
 class BALC_MMR6_ENC  : BRANCH_OFF26_FM<0b101101>;
 class BC_MMR6_ENC : BRANCH_OFF26_FM<0b100101>;
 
 //===----------------------------------------------------------------------===//
 //
 // Instruction Descriptions
 //
 //===----------------------------------------------------------------------===//
 
 class ADD_MMR6_DESC : ArithLogicR<"add", GPR32Opnd>;
 class ADDIU_MMR6_DESC : ArithLogicI<"addiu", simm16, GPR32Opnd>;
 class ADDU_MMR6_DESC : ArithLogicR<"addu", GPR32Opnd>;
+class AND_MMR6_DESC : ArithLogicR<"and", GPR32Opnd>;
+class ANDI_MMR6_DESC : ArithLogicI<"andi", simm16, GPR32Opnd>;
 
 class BC_MMR6_DESC_BASE<string instr_asm, DAGOperand opnd>
     : BRANCH_DESC_BASE, MMR6Arch<instr_asm> {
   dag InOperandList = (ins opnd:$offset);
   dag OutOperandList = (outs);
   string AsmString = !strconcat(instr_asm, "\t$offset");
   bit isBarrier = 1;
 }

 // Instruction Definitions
 //
 //===----------------------------------------------------------------------===//
 
 let DecoderNamespace = "MicroMips32r6" in {
 def ADD_MMR6 : StdMMR6Rel, ADD_MMR6_DESC, ADD_MMR6_ENC, ISA_MICROMIPS32R6;
 def ADDIU_MMR6 : StdMMR6Rel, ADDIU_MMR6_DESC, ADDIU_MMR6_ENC, ISA_MICROMIPS32R6;
 def ADDU_MMR6 : StdMMR6Rel, ADDU_MMR6_DESC, ADDU_MMR6_ENC, ISA_MICROMIPS32R6;
+def AND_MMR6 : StdMMR6Rel, AND_MMR6_DESC, AND_MMR6_ENC, ISA_MICROMIPS32R6;
+def ANDI_MMR6 : StdMMR6Rel, ANDI_MMR6_DESC, ANDI_MMR6_ENC, ISA_MICROMIPS32R6;
 def BALC_MMR6 : R6MMR6Rel, BALC_MMR6_ENC, BALC_MMR6_DESC, ISA_MICROMIPS32R6;
 def BC_MMR6 : R6MMR6Rel, BC_MMR6_ENC, BC_MMR6_DESC, ISA_MICROMIPS32R6;
 }

lib/Target/Mips/MipsInstrInfo.td

 }
 def ADDi  : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
             ISA_MIPS1_NOT_32R6_64R6;
 def SLTi  : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
             SLTI_FM<0xa>;
 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>,
             ADDI_FM<0xd>;
 def XORi  : MMRel, 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, 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, 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>;
 let AdditionalPredicates = [NotInMicroMips] in {
-def AND   : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
+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>,
             ADD_FM<0, 0x25>;
 def XOR   : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
             ADD_FM<0, 0x26>;
 }
 def NOR   : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
 

test/MC/Disassembler/Mips/micromips32r6.txt

 # RUN: llvm-mc --disassemble %s -triple=mips-unknown-linux -mcpu=mips32r6 -mattr=micromips32r6 | FileCheck %s
 
 # CHECK: add $3, $4, $5
 0x00 0xa4 0x19 0x10
 
 # CHECK: addiu $3, $4, 1234
 0x30 0x64 0x04 0xd2
 
 # CHECK: addu $3, $4, $5
 0x00 0xa4 0x19 0x50
 
+# CHECK: and $3, $4, $5
+0x00 0xa4 0x1a 0x50
+
+# CHECK: andi $3, $4, 1234
+0xd0 0x64 0x04 0xd2
+
 # CHECK: balc 14572256
 0xb4 0x37 0x96 0xb8
 
 # CHECK: bc 14572256
 0x94 0x37 0x96 0xb8

test/MC/Mips/micromips32r6/valid.s

 # RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r6 -mattr=micromips32r6 | FileCheck %s
 
   .set noat
   add $3, $4, $5           # CHECK: add $3, $4, $5      # encoding: [0x00,0xa4,0x19,0x10]
   addiu $3, $4, 1234       # CHECK: addiu $3, $4, 1234  # encoding: [0x30,0x64,0x04,0xd2]
   addu $3, $4, $5          # CHECK: addu $3, $4, $5     # encoding: [0x00,0xa4,0x19,0x50]
+  and $3, $4, $5           # CHECK: and $3, $4, $5      # encoding: [0x00,0xa4,0x1a,0x50]
+  andi $3, $4, 1234        # CHECK: andi $3, $4, 1234   # encoding: [0xd0,0x64,0x04,0xd2]
   balc 14572256            # CHECK: balc 14572256       # encoding: [0xb4,0x37,0x96,0xb8]
   bc 14572256              # CHECK: bc 14572256         # encoding: [0x94,0x37,0x96,0xb8]