From: Akira Hatanaka <ahatanaka@mips.com>
Date: Fri, 12 Jul 2013 22:43:20 +0000 (+0000)
Subject: [mips] Add instruction itinerary classes for mult, seb and slt instructions.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ae24f7d3c6770fb32eb1f6215bab1fc92cbe2d94;p=oota-llvm.git

[mips] Add instruction itinerary classes for mult, seb and slt instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186222 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index b55679eea28..2ab99a15f94 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -181,14 +181,14 @@ def TAILCALL64_R : JumpFR<CPU64Regs, MipsTailCall>, MTLO_FM<8>, IsTailCall;
 
 let DecoderNamespace = "Mips64" in {
 /// Multiply and Divide Instructions.
-def DMULT  : Mult<"dmult", IIImul, CPU64RegsOpnd, [HI64, LO64]>,
+def DMULT  : Mult<"dmult", IIImult, CPU64RegsOpnd, [HI64, LO64]>,
              MULT_FM<0, 0x1c>;
-def DMULTu : Mult<"dmultu", IIImul, CPU64RegsOpnd, [HI64, LO64]>,
+def DMULTu : Mult<"dmultu", IIImult, CPU64RegsOpnd, [HI64, LO64]>,
              MULT_FM<0, 0x1d>;
 def PseudoDMULT  : MultDivPseudo<DMULT, ACRegs128, CPU64RegsOpnd, MipsMult,
-                                 IIImul>;
+                                 IIImult>;
 def PseudoDMULTu : MultDivPseudo<DMULTu, ACRegs128, CPU64RegsOpnd, MipsMultu,
-                                 IIImul>;
+                                 IIImult>;
 def DSDIV : Div<"ddiv", IIIdiv, CPU64RegsOpnd, [HI64, LO64]>, MULT_FM<0, 0x1e>;
 def DUDIV : Div<"ddivu", IIIdiv, CPU64RegsOpnd, [HI64, LO64]>, MULT_FM<0, 0x1f>;
 def PseudoDSDIV : MultDivPseudo<DSDIV, ACRegs128, CPU64RegsOpnd, MipsDivRem,
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index 712e2044278..1bc10770ad8 100644
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -403,7 +403,7 @@ class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
 // Arithmetic Multiply ADD/SUB
 class MArithR<string opstr, bit isComm = 0> :
   InstSE<(outs), (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt),
-         !strconcat(opstr, "\t$rs, $rt"), [], IIImul, FrmR> {
+         !strconcat(opstr, "\t$rs, $rt"), [], IIImult, FrmR> {
   let Defs = [HI, LO];
   let Uses = [HI, LO];
   let isCommutable = isComm;
@@ -560,14 +560,14 @@ class SetCC_R<string opstr, PatFrag cond_op, RegisterClass RC> :
   InstSE<(outs CPURegsOpnd:$rd), (ins RC:$rs, RC:$rt),
          !strconcat(opstr, "\t$rd, $rs, $rt"),
          [(set CPURegsOpnd:$rd, (cond_op RC:$rs, RC:$rt))],
-         IIAlu, FrmR, opstr>;
+         IIslt, FrmR, opstr>;
 
 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
               RegisterClass RC>:
   InstSE<(outs CPURegsOpnd:$rt), (ins RC:$rs, Od:$imm16),
          !strconcat(opstr, "\t$rt, $rs, $imm16"),
          [(set CPURegsOpnd:$rt, (cond_op RC:$rs, imm_type:$imm16))],
-         IIAlu, FrmI, opstr>;
+         IIslt, FrmI, opstr>;
 
 // Jump
 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
@@ -694,7 +694,7 @@ class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode>
              (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin),
              [(set ACRegs:$ac,
               (OpNode CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin))],
-             IIImul>,
+             IIImult>,
     PseudoInstExpansion<(RealInst CPURegsOpnd:$rs, CPURegsOpnd:$rt)> {
   string Constraints = "$acin = $ac";
 }
@@ -741,7 +741,7 @@ class CountLeading1<string opstr, RegisterOperand RO>:
 // Sign Extend in Register.
 class SignExtInReg<string opstr, ValueType vt, RegisterClass RC> :
   InstSE<(outs RC:$rd), (ins RC:$rt), !strconcat(opstr, "\t$rd, $rt"),
-         [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary, FrmR> {
+         [(set RC:$rd, (sext_inreg RC:$rt, vt))], IIseb, FrmR> {
   let Predicates = [HasSEInReg, HasStdEnc];
 }
 
@@ -1015,12 +1015,12 @@ let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
 }
 
 /// Multiply and Divide Instructions.
-def MULT  : MMRel, Mult<"mult", IIImul, CPURegsOpnd, [HI, LO]>,
+def MULT  : MMRel, Mult<"mult", IIImult, CPURegsOpnd, [HI, LO]>,
             MULT_FM<0, 0x18>;
-def MULTu : MMRel, Mult<"multu", IIImul, CPURegsOpnd, [HI, LO]>,
+def MULTu : MMRel, Mult<"multu", IIImult, CPURegsOpnd, [HI, LO]>,
             MULT_FM<0, 0x19>;
-def PseudoMULT  : MultDivPseudo<MULT, ACRegs, CPURegsOpnd, MipsMult, IIImul>;
-def PseudoMULTu : MultDivPseudo<MULTu, ACRegs, CPURegsOpnd, MipsMultu, IIImul>;
+def PseudoMULT  : MultDivPseudo<MULT, ACRegs, CPURegsOpnd, MipsMult, IIImult>;
+def PseudoMULTu : MultDivPseudo<MULTu, ACRegs, CPURegsOpnd, MipsMultu, IIImult>;
 def SDIV  : Div<"div", IIIdiv, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x1a>;
 def UDIV  : Div<"divu", IIIdiv, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x1b>;
 def PseudoSDIV : MultDivPseudo<SDIV, ACRegs, CPURegsOpnd, MipsDivRem, IIIdiv,
diff --git a/lib/Target/Mips/MipsSchedule.td b/lib/Target/Mips/MipsSchedule.td
index bf6319dae83..dbb0d5021d8 100644
--- a/lib/Target/Mips/MipsSchedule.td
+++ b/lib/Target/Mips/MipsSchedule.td
@@ -23,7 +23,10 @@ def IIXfer             : InstrItinClass;
 def IIBranch           : InstrItinClass;
 def IIHiLo             : InstrItinClass;
 def IIImul             : InstrItinClass;
+def IIImult            : InstrItinClass;
 def IIIdiv             : InstrItinClass;
+def IIseb              : InstrItinClass;
+def IIslt              : InstrItinClass;
 def IIFcvt             : InstrItinClass;
 def IIFmove            : InstrItinClass;
 def IIFcmp             : InstrItinClass;