MIPS[64]: Fix `MIPS: Improve Float(32|64)(Max|Min)`.

src/compiler/mips64/code-generator-mips64.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/osr.h"
@@ skipping 1435 matching lines @@
       break;
     }
     case kMips64Float32RoundTiesEven: {
       ASSEMBLE_ROUND_FLOAT_TO_FLOAT(round);
       break;
     }
     case kMips64Float32Max: {
       FPURegister dst = i.OutputSingleRegister();
       FPURegister src1 = i.InputSingleRegister(0);
       FPURegister src2 = i.InputSingleRegister(1);
-      if (src1.is(src2)) {
-        __ Move_s(dst, src1);
-      } else {
-        auto ool = new (zone()) OutOfLineFloat32Max(this, dst, src1, src2);
-        __ Float32Max(dst, src1, src2, ool->entry());
-        __ bind(ool->exit());
-      }
+      auto ool = new (zone()) OutOfLineFloat32Max(this, dst, src1, src2);
+      __ Float32Max(dst, src1, src2, ool->entry());
+      __ bind(ool->exit());
       break;
     }
     case kMips64Float64Max: {
       FPURegister dst = i.OutputDoubleRegister();
       FPURegister src1 = i.InputDoubleRegister(0);
       FPURegister src2 = i.InputDoubleRegister(1);
-      if (src1.is(src2)) {
-        __ Move_d(dst, src1);
-      } else {
-        auto ool = new (zone()) OutOfLineFloat64Max(this, dst, src1, src2);
-        __ Float64Max(dst, src1, src2, ool->entry());
-        __ bind(ool->exit());
-      }
+      auto ool = new (zone()) OutOfLineFloat64Max(this, dst, src1, src2);
+      __ Float64Max(dst, src1, src2, ool->entry());
+      __ bind(ool->exit());
       break;
     }
     case kMips64Float32Min: {
       FPURegister dst = i.OutputSingleRegister();
       FPURegister src1 = i.InputSingleRegister(0);
       FPURegister src2 = i.InputSingleRegister(1);
-      if (src1.is(src2)) {
-        __ Move_s(dst, src1);
-      } else {
-        auto ool = new (zone()) OutOfLineFloat32Min(this, dst, src1, src2);
-        __ Float32Min(dst, src1, src2, ool->entry());
-        __ bind(ool->exit());
-      }
+      auto ool = new (zone()) OutOfLineFloat32Min(this, dst, src1, src2);
+      __ Float32Min(dst, src1, src2, ool->entry());
+      __ bind(ool->exit());
       break;
     }
     case kMips64Float64Min: {
       FPURegister dst = i.OutputDoubleRegister();
       FPURegister src1 = i.InputDoubleRegister(0);
       FPURegister src2 = i.InputDoubleRegister(1);
-      if (src1.is(src2)) {
-        __ Move_d(dst, src1);
-      } else {
-        auto ool = new (zone()) OutOfLineFloat64Min(this, dst, src1, src2);
-        __ Float64Min(dst, src1, src2, ool->entry());
-        __ bind(ool->exit());
-      }
+      auto ool = new (zone()) OutOfLineFloat64Min(this, dst, src1, src2);
+      __ Float64Min(dst, src1, src2, ool->entry());
+      __ bind(ool->exit());
       break;
     }
     case kMips64Float64SilenceNaN:
       __ FPUCanonicalizeNaN(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;
     case kMips64CvtSD:
       __ cvt_s_d(i.OutputSingleRegister(), i.InputDoubleRegister(0));
       break;
     case kMips64CvtDS:
       __ cvt_d_s(i.OutputDoubleRegister(), i.InputSingleRegister(0));
@@ skipping 1098 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8