MIPS: [turbofan] Unify Math.floor / Math.ceil optimization.

src/compiler/mips/code-generator-mips.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/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/mips/macro-assembler-mips.h"
 #include "src/scopes.h"
@@ skipping 555 matching lines @@
       FrameScope scope(masm(), StackFrame::MANUAL);
       __ PrepareCallCFunction(0, 2, kScratchReg);
       __ MovToFloatParameters(i.InputDoubleRegister(0),
                               i.InputDoubleRegister(1));
       __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()),
                        0, 2);
       // Move the result in the double result register.
       __ MovFromFloatResult(i.OutputDoubleRegister());
       break;
     }
-    case kMipsFloat64Floor: {
+    case kMipsFloat64RoundDown: {
       ASSEMBLE_ROUND_DOUBLE_TO_DOUBLE(floor_l_d, Floor);
       break;
     }
-    case kMipsFloat64Ceil: {
-      ASSEMBLE_ROUND_DOUBLE_TO_DOUBLE(ceil_l_d, Ceil);
-      break;
-    }
     case kMipsFloat64RoundTruncate: {
       ASSEMBLE_ROUND_DOUBLE_TO_DOUBLE(trunc_l_d, Truncate);
       break;
     }
+    case kMipsFloat64RoundUp: {
+      ASSEMBLE_ROUND_DOUBLE_TO_DOUBLE(ceil_l_d, Ceil);
+      break;
+    }
     case kMipsSqrtD: {
       __ sqrt_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;
     }
     case kMipsCvtSD: {
       __ cvt_s_d(i.OutputSingleRegister(), i.InputDoubleRegister(0));
       break;
     }
     case kMipsCvtDS: {
       __ cvt_d_s(i.OutputDoubleRegister(), i.InputSingleRegister(0));
@@ skipping 619 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8