[mips][mt] Add missing files from last commit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307779 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 129 insertions, 0 deletions

diff --git a/lib/Target/Mips/MipsMTInstrFormats.td b/lib/Target/Mips/MipsMTInstrFormats.td
new file mode 100644
index 000000000000..588b8cccb52d
--- /dev/null
+++ b/lib/Target/Mips/MipsMTInstrFormats.td
@@ -0,0 +1,50 @@
+//===-- MipsMTInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//  Describe the MIPS MT instructions format
+//
+//  opcode - operation code.
+//  rt     - destination register
+//
+//===----------------------------------------------------------------------===//
+
+class MipsMTInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>,
+                   PredicateControl {
+  let DecoderNamespace = "Mips";
+  let EncodingPredicates = [HasStdEnc];
+}
+
+class OPCODE1<bits<1> Val> {
+  bits<1> Value = Val;
+}
+
+def OPCODE_SC_DMT : OPCODE1<0b0>;
+def OPCODE_SC_EMT : OPCODE1<0b1>;
+
+class FIELD5<bits<5> Val> {
+  bits<5> Value = Val;
+}
+
+def FIELD5_1_DMT_EMT  : FIELD5<0b00001>;
+def FIELD5_2_DMT_EMT  : FIELD5<0b01111>;
+
+class COP0_MFMC0_MT<FIELD5 Op1, FIELD5 Op2, OPCODE1 sc> : MipsMTInst {
+  bits<32> Inst;
+
+  bits<5> rt;
+  let Inst{31-26} = 0b010000; // COP0
+  let Inst{25-21} = 0b01011;  // MFMC0
+  let Inst{20-16} = rt;
+  let Inst{15-11} = Op1.Value;
+  let Inst{10-6}  = Op2.Value;
+  let Inst{5}     = sc.Value;
+  let Inst{4-3}   = 0b00;
+  let Inst{2-0}   = 0b001;
+}
diff --git a/lib/Target/Mips/MipsMTInstrInfo.td b/lib/Target/Mips/MipsMTInstrInfo.td
new file mode 100644
index 000000000000..54e1b25d4b8e
--- /dev/null
+++ b/lib/Target/Mips/MipsMTInstrInfo.td
@@ -0,0 +1,54 @@
+//===-- MipsMTInstrInfo.td - Mips MT Instruction Infos -----*- tablegen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// MIPS MT Instruction Encodings
+//===----------------------------------------------------------------------===//
+
+class DMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT,
+                              OPCODE_SC_DMT>;
+
+class EMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT,
+                              OPCODE_SC_EMT>;
+
+//===----------------------------------------------------------------------===//
+// MIPS MT Instruction Descriptions
+//===----------------------------------------------------------------------===//
+
+class MT_1R_DESC_BASE<string instr_asm, InstrItinClass Itin = NoItinerary> {
+  dag OutOperandList = (outs GPR32Opnd:$rt);
+  dag InOperandList = (ins);
+  string AsmString = !strconcat(instr_asm, "\t$rt");
+  list<dag> Pattern = [];
+  InstrItinClass Itinerary = Itin;
+}
+
+class DMT_DESC : MT_1R_DESC_BASE<"dmt", II_DMT>;
+
+class EMT_DESC : MT_1R_DESC_BASE<"emt", II_EMT>;
+
+//===----------------------------------------------------------------------===//
+// MIPS MT Instruction Definitions
+//===----------------------------------------------------------------------===//
+let hasSideEffects = 1, isNotDuplicable = 1,
+    AdditionalPredicates = [NotInMicroMips] in {
+  def DMT : DMT_ENC, DMT_DESC, ASE_MT;
+
+  def EMT : EMT_ENC, EMT_DESC, ASE_MT;
+}
+
+//===----------------------------------------------------------------------===//
+// MIPS MT Instruction Definitions
+//===----------------------------------------------------------------------===//
+
+let AdditionalPredicates = [NotInMicroMips] in {
+  def : MipsInstAlias<"dmt", (DMT ZERO), 1>, ASE_MT;
+
+  def : MipsInstAlias<"emt", (EMT ZERO), 1>, ASE_MT;
+}
diff --git a/test/MC/Disassembler/Mips/mt/valid-r2-el.txt b/test/MC/Disassembler/Mips/mt/valid-r2-el.txt
new file mode 100644
index 000000000000..ba020997dde7
--- /dev/null
+++ b/test/MC/Disassembler/Mips/mt/valid-r2-el.txt
@@ -0,0 +1,6 @@
+# RUN: llvm-mc --disassemble %s -triple=mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mt | FileCheck %s
+0xc1 0x0b 0x60 0x41  # CHECK: dmt
+0xc1 0x0b 0x65 0x41  # CHECK: dmt $5
+0xe1 0x0b 0x60 0x41  # CHECK: emt
+0xe1 0x0b 0x64 0x41  # CHECK: emt $4
+
diff --git a/test/MC/Disassembler/Mips/mt/valid-r2.txt b/test/MC/Disassembler/Mips/mt/valid-r2.txt
new file mode 100644
index 000000000000..4a7d332dfd1d
--- /dev/null
+++ b/test/MC/Disassembler/Mips/mt/valid-r2.txt
@@ -0,0 +1,6 @@
+# RUN: llvm-mc --disassemble %s -triple=mips-unknown-linux -mcpu=mips32r2 -mattr=+mt | FileCheck %s
+0x41 0x60 0x0b 0xc1  # CHECK: dmt
+0x41 0x65 0x0b 0xc1  # CHECK: dmt $5
+0x41 0x60 0x0b 0xe1  # CHECK: emt
+0x41 0x64 0x0b 0xe1  # CHECK: emt $4
+
diff --git a/test/MC/Mips/mt/invalid.s b/test/MC/Mips/mt/invalid.s
new file mode 100644
index 000000000000..b080702f4677
--- /dev/null
+++ b/test/MC/Mips/mt/invalid.s
@@ -0,0 +1,7 @@
+# RUN: not llvm-mc -arch=mips -mcpu=mips32 -mattr=+mt < %s 2>&1 | FileCheck %s
+  dmt 4           # CHECK: error: invalid operand for instruction
+  dmt $4, $5      # CHECK: error: invalid operand for instruction
+  dmt $5, 0($4)   # CHECK: error: invalid operand for instruction
+  emt 4           # CHECK: error: invalid operand for instruction
+  emt $4, $5      # CHECK: error: invalid operand for instruction
+  emt $5, 0($5)   # CHECK: error: invalid operand for instruction
diff --git a/test/MC/Mips/mt/valid.s b/test/MC/Mips/mt/valid.s
new file mode 100644
index 000000000000..de8a0080b95b
--- /dev/null
+++ b/test/MC/Mips/mt/valid.s
@@ -0,0 +1,6 @@
+# RUN: llvm-mc -arch=mips -mcpu=mips32r2 -mattr=+mt -show-encoding < %s \
+# RUN:   | FileCheck %s
+  dmt           # CHECK:  dmt         # encoding: [0x41,0x60,0x0b,0xc1]
+  dmt $5        # CHECK:  dmt $5      # encoding: [0x41,0x65,0x0b,0xc1]
+  emt           # CHECK:  emt         # encoding: [0x41,0x60,0x0b,0xe1]
+  emt $4        # CHECK:  emt $4      # encoding: [0x41,0x64,0x0b,0xe1]