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[mips][mips64r6] Add align and dalign

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Summary: Depends on D3689

Reviewers: vmedic, zoran.jovanovic, jkolek

Reviewed By: jkolek

Differential Revision: http://reviews.llvm.org/D3728

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208872 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Sanders 2014-05-15 12:06:36 +00:00
parent f61a467a59
commit 8b580ccba0
7 changed files with 67 additions and 10 deletions
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41
lib/Target/Mips/Mips32r6InstrFormats.td
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@ -29,6 +29,7 @@ def OPGROUP_DAUI { bits<6> Value = 0b011101; }
def OPGROUP_PCREL { bits<6> Value = 0b111011; }
def OPGROUP_REGIMM { bits<6> Value = 0b000001; }
def OPGROUP_SPECIAL { bits<6> Value = 0b000000; }
def OPGROUP_SPECIAL3 { bits<6> Value = 0b011111; }
class OPCODE2<bits<2> Val> {
bits<2> Value = Val;
@ -43,6 +44,12 @@ def OPCODE5_AUIPC : OPCODE5<0b11110>;
def OPCODE5_DAHI : OPCODE5<0b00110>;
def OPCODE5_DATI : OPCODE5<0b11110>;
class OPCODE6<bits<6> Val> {
bits<6> Value = Val;
}
def OPCODE6_ALIGN : OPCODE6<0b100000>;
def OPCODE6_DALIGN : OPCODE6<0b100100>;
class FIELD_FMT<bits<5> Val> {
bits<5> Value = Val;
}
@ -126,6 +133,40 @@ class SPECIAL_3R_FM<bits<5> mulop, bits<6> funct> : MipsR6Inst {
let Inst{5-0} = funct;
}
class SPECIAL3_ALIGN_FM<OPCODE6 Operation> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<2> bp;
bits<32> Inst;
let Inst{31-26} = OPGROUP_SPECIAL3.Value;
let Inst{25-21} = rs;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{10-8} = 0b010;
let Inst{7-6} = bp;
let Inst{5-0} = Operation.Value;
}
class SPECIAL3_DALIGN_FM<OPCODE6 Operation> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<3> bp;
bits<32> Inst;
let Inst{31-26} = OPGROUP_SPECIAL3.Value;
let Inst{25-21} = rs;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{10-9} = 0b01;
let Inst{8-6} = bp;
let Inst{5-0} = Operation.Value;
}
class REGIMM_FM<OPCODE5 Operation> : MipsR6Inst {
bits<5> rs;
bits<16> imm;

13
lib/Target/Mips/Mips32r6InstrInfo.td
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@ -59,6 +59,7 @@ include "Mips32r6InstrFormats.td"
//===----------------------------------------------------------------------===//
class ADDIUPC_ENC : PCREL19_FM<OPCODE2_ADDIUPC>;
class ALIGN_ENC : SPECIAL3_ALIGN_FM<OPCODE6_ALIGN>;
class ALUIPC_ENC : PCREL16_FM<OPCODE5_ALUIPC>;
class AUI_ENC : AUI_FM;
class AUIPC_ENC : PCREL16_FM<OPCODE5_AUIPC>;
@ -88,6 +89,16 @@ class ADDIUPC_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
class ADDIUPC_DESC : ADDIUPC_DESC_BASE<"addiupc", GPR32Opnd>;
class ALIGN_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
Operand ImmOpnd> {
dag OutOperandList = (outs GPROpnd:$rd);
dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt, ImmOpnd:$bp);
string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt, $bp");
list<dag> Pattern = [];
}
class ALIGN_DESC : ALIGN_DESC_BASE<"align", GPR32Opnd, uimm2>;
class ALUIPC_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
dag OutOperandList = (outs GPROpnd:$rs);
dag InOperandList = (ins simm16:$imm);
@ -149,7 +160,7 @@ class SEL_S_DESC : SEL_DESC_BASE<"sel.s", FGR32Opnd>;
//===----------------------------------------------------------------------===//
def ADDIUPC : ADDIUPC_ENC, ADDIUPC_DESC, ISA_MIPS32R6;
def ALIGN; // Known as as BALIGN in DSP ASE
def ALIGN : ALIGN_ENC, ALIGN_DESC, ISA_MIPS32R6;
def ALUIPC : ALUIPC_ENC, ALUIPC_DESC, ISA_MIPS32R6;
def AUI : AUI_ENC, AUI_DESC, ISA_MIPS32R6;
def AUIPC : AUIPC_ENC, AUIPC_DESC, ISA_MIPS32R6;

4
lib/Target/Mips/Mips64r6InstrInfo.td
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@ -25,6 +25,7 @@
//
//===----------------------------------------------------------------------===//
class DALIGN_ENC : SPECIAL3_DALIGN_FM<OPCODE6_DALIGN>;
class DAUI_ENC : DAUI_FM;
class DAHI_ENC : REGIMM_FM<OPCODE5_DAHI>;
class DATI_ENC : REGIMM_FM<OPCODE5_DATI>;
@ -43,6 +44,7 @@ class DMULU_ENC : SPECIAL_3R_FM<0b00010, 0b111001>;
//
//===----------------------------------------------------------------------===//
class DALIGN_DESC : ALIGN_DESC_BASE<"dalign", GPR64Opnd, uimm3>;
class DAHI_DESC : AUI_DESC_BASE<"dahi", GPR64Opnd>;
class DATI_DESC : AUI_DESC_BASE<"dati", GPR64Opnd>;
class DAUI_DESC : AUI_DESC_BASE<"daui", GPR64Opnd>;
@ -62,7 +64,7 @@ class DMULU_DESC : MUL_R6_DESC_BASE<"dmulu", GPR64Opnd>;
//===----------------------------------------------------------------------===//
def DAHI : DAHI_ENC, DAHI_DESC, ISA_MIPS64R6;
def DALIGN;
def DALIGN : DALIGN_ENC, DALIGN_DESC, ISA_MIPS64R6;
def DATI : DATI_ENC, DATI_DESC, ISA_MIPS64R6;
def DAUI : DAUI_ENC, DAUI_DESC, ISA_MIPS64R6;
def DBITSWAP;

8
lib/Target/Mips/MipsInstrInfo.td
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@ -340,6 +340,14 @@ def uimmz : Operand<i32> {
}
// Unsigned Operand
def uimm2 : Operand<i32> {
let PrintMethod = "printUnsignedImm";
}
def uimm3 : Operand<i32> {
let PrintMethod = "printUnsignedImm";
}
def uimm5 : Operand<i32> {
let PrintMethod = "printUnsignedImm";
}

8
lib/Target/Mips/MipsMSAInstrInfo.td
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@ -65,10 +65,6 @@ def MipsVExtractZExt : SDNode<"MipsISD::VEXTRACT_ZEXT_ELT",
// Operands
def uimm2 : Operand<i32> {
let PrintMethod = "printUnsignedImm";
}
// The immediate of an LSA instruction needs special handling
// as the encoded value should be subtracted by one.
def uimm2LSAAsmOperand : AsmOperandClass {
@ -84,10 +80,6 @@ def LSAImm : Operand<i32> {
let ParserMatchClass = uimm2LSAAsmOperand;
}
def uimm3 : Operand<i32> {
let PrintMethod = "printUnsignedImm8";
}
def uimm4 : Operand<i32> {
let PrintMethod = "printUnsignedImm8";
}

1
test/MC/Mips/mips32r6/valid.s
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@ -5,6 +5,7 @@
.set noat
# FIXME: Add the instructions carried forward from older ISA's
addiupc $4, 100 # CHECK: addiupc $4, 100 # encoding: [0xec,0x80,0x00,0x19]
align $4, $2, $3, 2 # CHECK: align $4, $2, $3, 2 # encoding: [0x7c,0x43,0x22,0xa0]
aluipc $3, 56 # CHECK: aluipc $3, 56 # encoding: [0xec,0x7f,0x00,0x38]
aui $3,$2,-23 # CHECK: aui $3, $2, -23 # encoding: [0x3c,0x62,0xff,0xe9]
auipc $3, -1 # CHECK: auipc $3, -1 # encoding: [0xec,0x7e,0xff,0xff]

2
test/MC/Mips/mips64r6/valid.s
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@ -5,9 +5,11 @@
.set noat
# FIXME: Add the instructions carried forward from older ISA's
addiupc $4, 100 # CHECK: addiupc $4, 100 # encoding: [0xec,0x80,0x00,0x19]
align $4, $2, $3, 2 # CHECK: align $4, $2, $3, 2 # encoding: [0x7c,0x43,0x22,0xa0]
aluipc $3, 56 # CHECK: aluipc $3, 56 # encoding: [0xec,0x7f,0x00,0x38]
aui $3,$2,-23 # CHECK: aui $3, $2, -23 # encoding: [0x3c,0x62,0xff,0xe9]
auipc $3, -1 # CHECK: auipc $3, -1 # encoding: [0xec,0x7e,0xff,0xff]
dalign $4,$2,$3,5 # CHECK: dalign $4, $2, $3, 5 # encoding: [0x7c,0x43,0x23,0x64]
daui $3,$2,0x1234 # CHECK: daui $3, $2, 4660 # encoding: [0x74,0x62,0x12,0x34]
dahi $3,$3,0x5678 # CHECK: dahi $3, $3, 22136 # encoding: [0x04,0x66,0x56,0x78]
dati $3,$3,0xabcd # CHECK: dati $3, $3, 43981 # encoding: [0x04,0x7e,0xab,0xcd]