1 files changed, 39 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MipsInstrFormats.td b/contrib/llvm/lib/Target/Mips/MipsInstrFormats.td
index e1725fa867f0..455530389eba 100644
--- a/contrib/llvm/lib/Target/Mips/MipsInstrFormats.td
+++ b/contrib/llvm/lib/Target/Mips/MipsInstrFormats.td
@@ -1,4 +1,4 @@
-//===- MipsInstrFormats.td - Mips Instruction Formats ------*- tablegen -*-===//
+//===-- MipsInstrFormats.td - Mips Instruction Formats -----*- tablegen -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -115,7 +115,7 @@ class FI<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
   let Inst{15-0}  = imm16;
 }
 
-class CBranchBase<bits<6> op, dag outs, dag ins, string asmstr,
+class BranchBase<bits<6> op, dag outs, dag ins, string asmstr,
                   list<dag> pattern, InstrItinClass itin>:
   MipsInst<outs, ins, asmstr, pattern, itin, FrmI>
 {
@@ -290,3 +290,40 @@ class FFR2P<bits<6> funct, bits<5> fmt, string opstr,
   FFR<0x11, funct, fmt, (outs RC:$fd), (ins RC:$fs, RC:$ft),
       !strconcat(opstr, ".", fmtstr, "\t$fd, $fs, $ft"),
       [(set RC:$fd, (OpNode RC:$fs, RC:$ft))]>;
+
+// Floating point madd/msub/nmadd/nmsub.
+class FFMADDSUB<bits<3> funct, bits<3> fmt, dag outs, dag ins, string asmstr,
+                list<dag> pattern>
+  : MipsInst<outs, ins, asmstr, pattern, NoItinerary, FrmOther> {
+  bits<5> fd;
+  bits<5> fr;
+  bits<5> fs;
+  bits<5> ft;
+
+  let Opcode = 0x13;
+  let Inst{25-21} = fr;
+  let Inst{20-16} = ft;
+  let Inst{15-11} = fs;
+  let Inst{10-6} = fd;
+  let Inst{5-3} = funct;
+  let Inst{2-0} = fmt;
+}
+
+// FP indexed load/store instructions.
+class FFMemIdx<bits<6> funct, dag outs, dag ins, string asmstr,
+               list<dag> pattern> :
+  MipsInst<outs, ins, asmstr, pattern, NoItinerary, FrmOther>
+{
+  bits<5>  base;
+  bits<5>  index;
+  bits<5>  fs;
+  bits<5>  fd;
+
+  let Opcode = 0x13;
+
+  let Inst{25-21} = base;
+  let Inst{20-16} = index;
+  let Inst{15-11} = fs;
+  let Inst{10-6} = fd;
+  let Inst{5-0} = funct;
+}