1 files changed, 27 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsInstrFormats.td b/lib/Target/Mips/MipsInstrFormats.td
index 5c91fbc..8cc1603 100644
--- a/lib/Target/Mips/MipsInstrFormats.td
+++ b/lib/Target/Mips/MipsInstrFormats.td
@@ -297,6 +297,19 @@ class BGEZ_FM<bits<6> op, bits<5> funct> : StdArch {
   let Inst{15-0}  = offset;
 }
 
+class BBIT_FM<bits<6> op> : StdArch {
+  bits<5>  rs;
+  bits<5>  p;
+  bits<16> offset;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = op;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = p;
+  let Inst{15-0}  = offset;
+}
+
 class SLTI_FM<bits<6> op> : StdArch {
   bits<5> rt;
   bits<5> rs;
@@ -411,6 +424,20 @@ class SYNC_FM : StdArch {
   let Inst{5-0}   = 0xf;
 }
 
+class SYNCI_FM : StdArch {
+  // Produced by the mem_simm16 address as reg << 16 | imm (see getMemEncoding).
+  bits<21> addr;
+  bits<5> rs = addr{20-16};
+  bits<16> offset = addr{15-0};
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b000001;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = 0b11111;
+  let Inst{15-0}  = offset;
+}
+
 class MULT_FM<bits<6> op, bits<6> funct> : StdArch {
   bits<5>  rs;
   bits<5>  rt;