Thumb2 Backend: Arithmetic instruction encoding methods

src/arm/assembler-thumb32.cc

Index: src/arm/assembler-thumb32.cc
diff --git a/src/arm/assembler-thumb32.cc b/src/arm/assembler-thumb32.cc
index 827b323b393383e1e050accbc2450b40af222268..190304fc1cee55b1394105b6adecd4b2f808defd 100644
--- a/src/arm/assembler-thumb32.cc
+++ b/src/arm/assembler-thumb32.cc
@@ -330,9 +330,12 @@ Instr Assembler::thumb32_3reg_lsl(Register rd,
     return (x.rn_.code()*BH0 | rd.code()*B12 | imm2*B4 | x.rm_.code());
   }
   switch (x.shift_op_) {
-    case LSL:  // TODO(rkrithiv): call method to encode lsl instruction
-    case LSR:  // TODO(rkrithiv): call method to encode lsr instruction
-    case ASR:  // TODO(rkrithiv): call method to encode asr instruction
+    case LSL: lsl_thumb(ip, Operand(x.rm_, LSL, x.shift_imm_), LeaveCC, al);
+              break;
+    case LSR: lsr_thumb(ip, Operand(x.rm_, LSR, x.shift_imm_), LeaveCC, al);
+              break;
+    case ASR: asr_thumb(ip, Operand(x.rm_, ASR, x.shift_imm_), LeaveCC, al);
+              break;
     default:  return (x.rn_.code()*BH0 | rd.code()*B12 | x.rm_.code());
   }
   return (x.rn_.code()*BH0 | rd.code()*B12 | ip.code());