[mips][mt][4/7] Add IAS support for dvpe, evpe instructions.

Reviewers: slthakur, atanasyan

Differential Revision: https://reviews.llvm.org/D35251

llvm-svn: 307793

4 files changed, 28 insertions, 5 deletions

diff --git a/llvm/lib/Target/Mips/MipsMTInstrFormats.td b/llvm/lib/Target/Mips/MipsMTInstrFormats.td
index 588b8cccb52..81809cdf760 100644
--- a/llvm/lib/Target/Mips/MipsMTInstrFormats.td
+++ b/llvm/lib/Target/Mips/MipsMTInstrFormats.td
@@ -25,8 +25,8 @@ class OPCODE1<bits<1> Val> {
   bits<1> Value = Val;
 }
 
-def OPCODE_SC_DMT : OPCODE1<0b0>;
-def OPCODE_SC_EMT : OPCODE1<0b1>;
+def OPCODE_SC_D : OPCODE1<0b0>;
+def OPCODE_SC_E : OPCODE1<0b1>;
 
 class FIELD5<bits<5> Val> {
   bits<5> Value = Val;
@@ -34,6 +34,7 @@ class FIELD5<bits<5> Val> {
 
 def FIELD5_1_DMT_EMT  : FIELD5<0b00001>;
 def FIELD5_2_DMT_EMT  : FIELD5<0b01111>;
+def FIELD5_1_2_DVPE_EVPE : FIELD5<0b00000>;
 
 class COP0_MFMC0_MT<FIELD5 Op1, FIELD5 Op2, OPCODE1 sc> : MipsMTInst {
   bits<32> Inst;
diff --git a/llvm/lib/Target/Mips/MipsMTInstrInfo.td b/llvm/lib/Target/Mips/MipsMTInstrInfo.td
index 54e1b25d4b8..722024b8c0b 100644
--- a/llvm/lib/Target/Mips/MipsMTInstrInfo.td
+++ b/llvm/lib/Target/Mips/MipsMTInstrInfo.td
@@ -12,10 +12,16 @@
 //===----------------------------------------------------------------------===//
 
 class DMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT,
-                              OPCODE_SC_DMT>;
+                              OPCODE_SC_D>;
 
 class EMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT,
-                              OPCODE_SC_EMT>;
+                              OPCODE_SC_E>;
+
+class DVPE_ENC : COP0_MFMC0_MT<FIELD5_1_2_DVPE_EVPE, FIELD5_1_2_DVPE_EVPE,
+                               OPCODE_SC_D>;
+
+class EVPE_ENC : COP0_MFMC0_MT<FIELD5_1_2_DVPE_EVPE, FIELD5_1_2_DVPE_EVPE,
+                               OPCODE_SC_E>;
 
 //===----------------------------------------------------------------------===//
 // MIPS MT Instruction Descriptions
@@ -33,6 +39,10 @@ class DMT_DESC : MT_1R_DESC_BASE<"dmt", II_DMT>;
 
 class EMT_DESC : MT_1R_DESC_BASE<"emt", II_EMT>;
 
+class DVPE_DESC : MT_1R_DESC_BASE<"dvpe", II_DVPE>;
+
+class EVPE_DESC : MT_1R_DESC_BASE<"evpe", II_EVPE>;
+
 //===----------------------------------------------------------------------===//
 // MIPS MT Instruction Definitions
 //===----------------------------------------------------------------------===//
@@ -41,6 +51,10 @@ let hasSideEffects = 1, isNotDuplicable = 1,
   def DMT : DMT_ENC, DMT_DESC, ASE_MT;
 
   def EMT : EMT_ENC, EMT_DESC, ASE_MT;
+
+  def DVPE : DVPE_ENC, DVPE_DESC, ASE_MT;
+
+  def EVPE : EVPE_ENC, EVPE_DESC, ASE_MT;
 }
 
 //===----------------------------------------------------------------------===//
@@ -51,4 +65,8 @@ let AdditionalPredicates = [NotInMicroMips] in {
   def : MipsInstAlias<"dmt", (DMT ZERO), 1>, ASE_MT;
 
   def : MipsInstAlias<"emt", (EMT ZERO), 1>, ASE_MT;
+
+  def : MipsInstAlias<"dvpe", (DVPE ZERO), 1>, ASE_MT;
+
+  def : MipsInstAlias<"evpe", (EVPE ZERO), 1>, ASE_MT;
 }
diff --git a/llvm/lib/Target/Mips/MipsSchedule.td b/llvm/lib/Target/Mips/MipsSchedule.td
index 99fde2c159c..cc64f3cc9e4 100644
--- a/llvm/lib/Target/Mips/MipsSchedule.td
+++ b/llvm/lib/Target/Mips/MipsSchedule.td
@@ -114,7 +114,9 @@ def II_DSBH             : InstrItinClass;
 def II_DSHD             : InstrItinClass;
 def II_DSUBU            : InstrItinClass;
 def II_DSUB             : InstrItinClass;
+def II_DVPE             : InstrItinClass;
 def II_EMT              : InstrItinClass;
+def II_EVPE             : InstrItinClass;
 def II_EXT              : InstrItinClass; // Any EXT instruction
 def II_FLOOR            : InstrItinClass;
 def II_INS              : InstrItinClass; // Any INS instruction
@@ -407,7 +409,9 @@ def MipsGenericItineraries : ProcessorItineraries<[ALU, IMULDIV], [], [
   InstrItinData<II_DSHD            , [InstrStage<1,  [ALU]>]>,
   InstrItinData<II_DCLO            , [InstrStage<1,  [ALU]>]>,
   InstrItinData<II_DCLZ            , [InstrStage<1,  [ALU]>]>,
+  InstrItinData<II_DVPE            , [InstrStage<2,  [ALU]>]>,
   InstrItinData<II_EMT             , [InstrStage<2,  [ALU]>]>,
+  InstrItinData<II_EVPE            , [InstrStage<2,  [ALU]>]>,
   InstrItinData<II_EXT             , [InstrStage<1,  [ALU]>]>,
   InstrItinData<II_INS             , [InstrStage<1,  [ALU]>]>,
   InstrItinData<II_LUI             , [InstrStage<1,  [ALU]>]>,
diff --git a/llvm/lib/Target/Mips/MipsScheduleGeneric.td b/llvm/lib/Target/Mips/MipsScheduleGeneric.td
index c35d98f208e..12e42514658 100644
--- a/llvm/lib/Target/Mips/MipsScheduleGeneric.td
+++ b/llvm/lib/Target/Mips/MipsScheduleGeneric.td
@@ -264,7 +264,7 @@ def : ItinRW<[GenericWriteLoad], [II_LWLE, II_LWRE]>;
 // MIPS MT instructions
 // ====================
 
-def : ItinRW<[GenericWriteMove], [II_DMT, II_EMT]>;
+def : ItinRW<[GenericWriteMove], [II_DMT, II_DVPE, II_EMT, II_EVPE]>;
 
 
 // MIPS32R6 and MIPS16e