[mips] Add definitions of micromips shift instructions.

[oota-llvm.git] / lib / Target / Mips / MicroMipsInstrFormats.td

diff --git a/lib/Target/Mips/MicroMipsInstrFormats.td b/lib/Target/Mips/MicroMipsInstrFormats.td
index adbcef5165428f5ab99cef2beb8e2d6d378ceea1..63ecc9955003c34511b3264bcd9951af8f32bd05 100644 (file)
--- a/lib/Target/Mips/MicroMipsInstrFormats.td
+++ b/lib/Target/Mips/MicroMipsInstrFormats.td
@@ -68,3 +68,33 @@ class MULT_FM_MM<bits<10> funct> : MMArch {
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }
+
+class SRA_FM_MM<bits<10> funct, bit rotate> : MMArch {
+  bits<5> rd;
+  bits<5> rt;
+  bits<5> shamt;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0;
+  let Inst{25-21} = rd;
+  let Inst{20-16} = rt;
+  let Inst{15-11} = shamt;
+  let Inst{10}    = rotate;
+  let Inst{9-0}   = funct;
+}
+
+class SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch {
+  bits<5> rd;
+  bits<5> rt;
+  bits<5> rs;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0;
+  let Inst{25-21} = rt;
+  let Inst{20-16} = rs;
+  let Inst{15-11} = rd;
+  let Inst{10}    = rotate;
+  let Inst{9-0}   = funct;
+}