The base pointer save offset can be computed at initialization time,

[oota-llvm.git] / lib / Target / PowerPC / PPCInstrFormats.td

diff --git a/lib/Target/PowerPC/PPCInstrFormats.td b/lib/Target/PowerPC/PPCInstrFormats.td
index 186d5dce57056126d70a0485f30d895d223a3e57..0410b1c7590f3de6c1df274c7140c57f475af1c4 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrFormats.td
+++ b/lib/Target/PowerPC/PPCInstrFormats.td
@@ -945,6 +945,25 @@ class XLForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
   let Inst{31}    = 0;
 }
 
+class XLForm_4<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+               InstrItinClass itin>
+         : I<opcode, OOL, IOL, asmstr, itin> {
+  bits<3> BF;
+  bit W;
+  bits<4> U;
+  
+  bit RC = 0;
+  
+  let Inst{6-8}   = BF;
+  let Inst{9-10}  = 0;
+  let Inst{11-14} = 0;
+  let Inst{15}    = W;
+  let Inst{16-19} = U;
+  let Inst{20}    = 0;
+  let Inst{21-30} = xo;
+  let Inst{31}    = RC;
+}
+
 class XLForm_2_and_DSForm_1<bits<6> opcode1, bits<10> xo1, bit lk,
                             bits<6> opcode2, bits<2> xo2,
                             dag OOL, dag IOL, string asmstr,
@@ -1081,6 +1100,25 @@ class XFLForm<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
   let Inst{31}    = RC;
 }
 
+class XFLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+                InstrItinClass itin, list<dag>pattern>
+  : I<opcode, OOL, IOL, asmstr, itin> {
+  bit L;
+  bits<8> FLM;
+  bit W;
+  bits<5> FRB;
+
+  bit RC = 0;    // set by isDOT
+  let Pattern = pattern;
+
+  let Inst{6}     = L;
+  let Inst{7-14}  = FLM;
+  let Inst{15}    = W;
+  let Inst{16-20} = FRB;
+  let Inst{21-30} = xo;
+  let Inst{31}    = RC;
+}
+
 // 1.7.10 XS-Form - SRADI.
 class XSForm_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
                InstrItinClass itin, list<dag> pattern>