MIPS: Improve Lsa/Dlsa implementations.

test/cctest/test-macro-assembler-mips.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 249 matching lines @@
   Label done;
 
   __ Push(ra);
 
   {
     __ BlockTrampolinePoolFor(kNumCases + 6 + 1);
     PredictableCodeSizeScope predictable(
         masm, kNumCases * kPointerSize + ((6 + 1) * Assembler::kInstrSize));
 
     __ addiupc(at, 6 + 1);
-    __ lsa(at, at, a0, 2);
+    __ Lsa(at, at, a0, 2);
     __ lw(at, MemOperand(at));
     __ jalr(at);
     __ nop();  // Branch delay slot nop.
     __ bc(&done);
     // A nop instruction must be generated by the forbidden slot guard
     // (Assembler::dd(Label*)).
     for (int i = 0; i < kNumCases; ++i) {
       __ dd(&labels[i]);
     }
   }
@@ skipping 179 matching lines @@
     int32_t input = *i;
     CHECK_EQ(static_cast<double>(input),
              run_Cvt<int32_t>(input, [](MacroAssembler* masm) {
                __ cvt_d_w(f0, f4);
                __ Trunc_w_d(f2, f0);
              }));
   }
 }
 
 #undef __