From 80070bd439585ee8d267d2e1c61e4af4ada0be7f Mon Sep 17 00:00:00 2001
From: Reed Kotler <rkotler@mips.com>
Date: Sat, 23 Feb 2013 23:37:03 +0000
Subject: [PATCH] Add new base instruction def for cmpi, cmp, slt and sltu so
 that def/uses proper. Fixed this already a few days ago for slti.

llvm-svn: 175975
---
 llvm/lib/Target/Mips/Mips16InstrInfo.td | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/llvm/lib/Target/Mips/Mips16InstrInfo.td b/llvm/lib/Target/Mips/Mips16InstrInfo.td
index 2cb1573..1a50faf 100644
--- a/llvm/lib/Target/Mips/Mips16InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips16InstrInfo.td
@@ -283,6 +283,11 @@ class FRR16_ins<bits<5> f, string asmstr, InstrItinClass itin> :
         !strconcat(asmstr, "\t$rx, $ry"), [], itin> {
 }
 
+class FRR16R_ins<bits<5> f, string asmstr, InstrItinClass itin> :
+  FRR16<f, (outs), (ins  CPU16Regs:$rx, CPU16Regs:$ry),
+        !strconcat(asmstr, "\t$rx, $ry"), [], itin> {
+}
+
 class FRRTR16_ins<string asmstr> :
   MipsPseudo16<(outs CPU16Regs:$rz), (ins CPU16Regs:$rx, CPU16Regs:$ry),
                !strconcat(asmstr, "\t$rx, $ry\n\tmove\t$rz, $$t8"), []> ;
@@ -610,7 +615,7 @@ def BtnezT8SltiuX16: FEXT_T8I8I16_ins<"btnez", "sltiu">,
 // Purpose: Compare
 // To compare the contents of two GPRs.
 //
-def CmpRxRy16: FRR16_ins<0b01010, "cmp", IIAlu> {
+def CmpRxRy16: FRR16R_ins<0b01010, "cmp", IIAlu> {
   let Defs = [T8];
 }
 
@@ -619,7 +624,7 @@ def CmpRxRy16: FRR16_ins<0b01010, "cmp", IIAlu> {
 // Purpose: Compare Immediate
 // To compare a constant with the contents of a GPR.
 //
-def CmpiRxImm16: FRI16_ins<0b01110, "cmpi", IIAlu> {
+def CmpiRxImm16: FRI16R_ins<0b01110, "cmpi", IIAlu> {
   let Defs = [T8];
 }
 
@@ -628,7 +633,7 @@ def CmpiRxImm16: FRI16_ins<0b01110, "cmpi", IIAlu> {
 // Purpose: Compare Immediate (Extended)
 // To compare a constant with the contents of a GPR.
 //
-def CmpiRxImmX16: FEXT_RI16_ins<0b01110, "cmpi", IIAlu> {
+def CmpiRxImmX16: FEXT_RI16R_ins<0b01110, "cmpi", IIAlu> {
   let Defs = [T8];
 }
 
@@ -1110,7 +1115,7 @@ def SltiuCCRxImmX16: FEXT_CCRXI16_ins<"sltiu">;
 // Purpose: Set on Less Than
 // To record the result of a less-than comparison.
 //
-def SltRxRy16: FRR16_ins<0b00010, "slt", IIAlu>{
+def SltRxRy16: FRR16R_ins<0b00010, "slt", IIAlu>{
   let Defs = [T8];
 }
 
@@ -1120,7 +1125,7 @@ def SltCCRxRy16: FCCRR16_ins<"slt">;
 // Purpose: Set on Less Than Unsigned
 // To record the result of an unsigned less-than comparison.
 //
-def SltuRxRy16: FRR16_ins<0b00011, "sltu", IIAlu>{
+def SltuRxRy16: FRR16R_ins<0b00011, "sltu", IIAlu>{
   let Defs = [T8];
 }
 
-- 
2.7.4