[mips][microMIPSr6] Implement ALIGN and AUI instructions

This patch implements ALIGN and AUI instructions using mapping.

Differential Revision: http://reviews.llvm.org/D8782

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237563 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/MicroMips32r6InstrFormats.td b/lib/Target/Mips/MicroMips32r6InstrFormats.td
index bee85dfc78ebef49ce7bec09cd2a663dbdbabee8..79773f3bce6b34a81068cc4d3c625b66e6973430 100644 (file)
--- a/lib/Target/Mips/MicroMips32r6InstrFormats.td
+++ b/lib/Target/Mips/MicroMips32r6InstrFormats.td
@@ -136,3 +136,33 @@ class SPECIAL_2R_FM_MMR6<bits<6> funct> : MipsR6Inst {
   let Inst{10-6}  = 0b00001;
   let Inst{5-0}   = funct;
 }
+
+class POOL32A_ALIGN_FM_MMR6<bits<6> funct> : MipsR6Inst {
+  bits<5> rd;
+  bits<5> rs;
+  bits<5> rt;
+  bits<2> bp;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b000000;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = rt;
+  let Inst{15-11} = rd;
+  let Inst{10-9}  = bp;
+  let Inst{8-6}   = 0b000;
+  let Inst{5-0}   = funct;
+}
+
+class AUI_FM_MMR6 : MipsR6Inst {
+  bits<5> rs;
+  bits<5> rt;
+  bits<16> imm;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b000100;
+  let Inst{25-21} = rt;
+  let Inst{20-16} = rs;
+  let Inst{15-0} = imm;
+}

diff --git a/lib/Target/Mips/MicroMips32r6InstrInfo.td b/lib/Target/Mips/MicroMips32r6InstrInfo.td
index 83506681536ed4ddf72d8beebcd5b1e161bf8b52..61d5ca482ce2f1ef29f5351e2f2dbc3e9697c5a2 100644 (file)
--- a/lib/Target/Mips/MicroMips32r6InstrInfo.td
+++ b/lib/Target/Mips/MicroMips32r6InstrInfo.td
@@ -22,6 +22,8 @@ class ADDU_MMR6_ENC : ARITH_FM_MMR6<"addu", 0x150>;
 class ADDIUPC_MMR6_ENC : PCREL19_FM_MMR6<0b00>;
 class ALUIPC_MMR6_ENC : PCREL16_FM_MMR6<0b11111>;
 class AUIPC_MMR6_ENC  : PCREL16_FM_MMR6<0b11110>;
+class ALIGN_MMR6_ENC : POOL32A_ALIGN_FM_MMR6<0b011111>;
+class AUI_MMR6_ENC : AUI_FM_MMR6;
 class BALC_MMR6_ENC  : BRANCH_OFF26_FM<0b101101>;
 class BC_MMR6_ENC : BRANCH_OFF26_FM<0b100101>;
 class BITSWAP_MMR6_ENC : POOL32A_BITSWAP_FM_MMR6<0b101100>;
@@ -125,6 +127,26 @@ class JIC_MMR6_DESC : JMP_MMR6_IDX_COMPACT_DESC_BASE<"jic", jmpoffset16,
   list<Register> Defs = [AT];
 }
 
+class ALIGN_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
+                      Operand ImmOpnd>  : MMR6Arch<instr_asm> {
+  dag OutOperandList = (outs GPROpnd:$rd);
+  dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt, ImmOpnd:$bp);
+  string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt, $bp");
+  list<dag> Pattern = [];
+}
+
+class ALIGN_MMR6_DESC : ALIGN_MMR6_DESC_BASE<"align", GPR32Opnd, uimm2>;
+
+class AUI_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
+    : MMR6Arch<instr_asm> {
+  dag OutOperandList = (outs GPROpnd:$rt);
+  dag InOperandList = (ins GPROpnd:$rs, simm16:$imm);
+  string AsmString = !strconcat(instr_asm, "\t$rt, $rs, $imm");
+  list<dag> Pattern = [];
+}
+
+class AUI_MMR6_DESC : AUI_MMR6_DESC_BASE<"aui", GPR32Opnd>;
+
 class ALUIPC_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
     : MMR6Arch<instr_asm> {
   dag OutOperandList = (outs GPROpnd:$rt);
@@ -173,6 +195,8 @@ def ADDIUPC_MMR6 : R6MMR6Rel, ADDIUPC_MMR6_ENC, ADDIUPC_MMR6_DESC,
 def ALUIPC_MMR6 : R6MMR6Rel, ALUIPC_MMR6_ENC, ALUIPC_MMR6_DESC,
                   ISA_MICROMIPS32R6;
 def AUIPC_MMR6 : R6MMR6Rel, AUIPC_MMR6_ENC, AUIPC_MMR6_DESC, ISA_MICROMIPS32R6;
+def ALIGN_MMR6 : R6MMR6Rel, ALIGN_MMR6_ENC, ALIGN_MMR6_DESC, ISA_MICROMIPS32R6;
+def AUI_MMR6 : R6MMR6Rel, AUI_MMR6_ENC, AUI_MMR6_DESC, 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;
 def BITSWAP_MMR6 : R6MMR6Rel, BITSWAP_MMR6_ENC, BITSWAP_MMR6_DESC,

diff --git a/lib/Target/Mips/Mips32r6InstrInfo.td b/lib/Target/Mips/Mips32r6InstrInfo.td
index d5a769dd77dbea74730fbd0b51b1276b00c4a1bd..6d4eef4cfc6253a95f8331680d76c93b3a9343da 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrInfo.td
+++ b/lib/Target/Mips/Mips32r6InstrInfo.td
@@ -255,7 +255,7 @@ class LWPC_DESC: PCREL_DESC_BASE<"lwpc", GPR32Opnd, simm19_lsl2>;
 class LWUPC_DESC: PCREL_DESC_BASE<"lwupc", GPR32Opnd, simm19_lsl2>;
 
 class ALIGN_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
-                      Operand ImmOpnd> {
+                      Operand ImmOpnd>  : MipsR6Arch<instr_asm> {
   dag OutOperandList = (outs GPROpnd:$rd);
   dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt, ImmOpnd:$bp);
   string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt, $bp");
@@ -275,7 +275,8 @@ class ALUIPC_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
 class ALUIPC_DESC : ALUIPC_DESC_BASE<"aluipc", GPR32Opnd>;
 class AUIPC_DESC : ALUIPC_DESC_BASE<"auipc", GPR32Opnd>;
 
-class AUI_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
+class AUI_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
+    : MipsR6Arch<instr_asm> {
   dag OutOperandList = (outs GPROpnd:$rs);
   dag InOperandList = (ins GPROpnd:$rt, simm16:$imm);
   string AsmString = !strconcat(instr_asm, "\t$rs, $rt, $imm");
@@ -649,9 +650,9 @@ class SDBBP_R6_DESC {
 //===----------------------------------------------------------------------===//
 
 def ADDIUPC : R6MMR6Rel, ADDIUPC_ENC, ADDIUPC_DESC, ISA_MIPS32R6;
-def ALIGN : ALIGN_ENC, ALIGN_DESC, ISA_MIPS32R6;
+def ALIGN : R6MMR6Rel, ALIGN_ENC, ALIGN_DESC, ISA_MIPS32R6;
 def ALUIPC : R6MMR6Rel, ALUIPC_ENC, ALUIPC_DESC, ISA_MIPS32R6;
-def AUI : AUI_ENC, AUI_DESC, ISA_MIPS32R6;
+def AUI : R6MMR6Rel, AUI_ENC, AUI_DESC, ISA_MIPS32R6;
 def AUIPC : R6MMR6Rel, AUIPC_ENC, AUIPC_DESC, ISA_MIPS32R6;
 def BAL : BAL_ENC, BAL_DESC, ISA_MIPS32R6;
 def BALC : R6MMR6Rel, BALC_ENC, BALC_DESC, ISA_MIPS32R6;

diff --git a/test/MC/Disassembler/Mips/micromips32r6.txt b/test/MC/Disassembler/Mips/micromips32r6.txt
index e90474c7ae18d69fef82d260a89cbf955cc2650f..3d453b07322df199fe3c2911d58384ea1752cd25 100644 (file)
--- a/test/MC/Disassembler/Mips/micromips32r6.txt
+++ b/test/MC/Disassembler/Mips/micromips32r6.txt
@@ -12,6 +12,10 @@
 
 0x78 0x7e 0xff 0xff # CHECK: auipc $3, -1
 
+0x00 0x43 0x24 0x1f # CHECK: align $4, $2, $3, 2
+
+0x10 0x62 0xff 0xe9 # CHECK: aui $3, $2, -23
+
 # CHECK: balc 14572256
 0xb4 0x37 0x96 0xb8
 

diff --git a/test/MC/Mips/micromips32r6/valid.s b/test/MC/Mips/micromips32r6/valid.s
index 4dad85d3750a1776884b3748c2b5ab71438d5e69..b1f76329583e240c0fbc6eb40e1fab0e94d8f71f 100644 (file)
--- a/test/MC/Mips/micromips32r6/valid.s
+++ b/test/MC/Mips/micromips32r6/valid.s
@@ -7,6 +7,8 @@
   addiupc $4, 100          # CHECK: addiupc $4, 100     # encoding: [0x78,0x80,0x00,0x19]
   aluipc $3, 56            # CHECK: aluipc $3, 56       # encoding: [0x78,0x7f,0x00,0x38]
   auipc $3, -1             # CHECK: auipc $3, -1        # encoding: [0x78,0x7e,0xff,0xff]
+  align $4, $2, $3, 2      # CHECK: align $4, $2, $3, 2 # encoding: [0x00,0x43,0x24,0x1f]
+  aui $3,$2,-23            # CHECK: aui $3, $2, -23     # encoding: [0x10,0x62,0xff,0xe9]
   balc 14572256            # CHECK: balc 14572256       # encoding: [0xb4,0x37,0x96,0xb8]
   bc 14572256              # CHECK: bc 14572256         # encoding: [0x94,0x37,0x96,0xb8]
   bitswap $4, $2           # CHECK: bitswap $4, $2      # encoding: [0x00,0x44,0x0b,0x3c]