MIPS[64]: Disable fusion multiple-accumulate instructions

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

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index 19c0a21f651e000f2910ce0c3180e10cebfbf764..30bb3274cfa82aea4345e63e3a16076544007854 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -1346,36 +1346,24 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
                i.InputDoubleRegister(1));
       break;
     case kMips64MaddS:
-      __ madd_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
-                i.InputFloatRegister(1), i.InputFloatRegister(2));
+      __ Madd_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
+                i.InputFloatRegister(1), i.InputFloatRegister(2),
+                kScratchDoubleReg);
       break;
     case kMips64MaddD:
-      __ madd_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
-                i.InputDoubleRegister(1), i.InputDoubleRegister(2));
-      break;
-    case kMips64MaddfS:
-      __ maddf_s(i.OutputFloatRegister(), i.InputFloatRegister(1),
-                 i.InputFloatRegister(2));
-      break;
-    case kMips64MaddfD:
-      __ maddf_d(i.OutputDoubleRegister(), i.InputDoubleRegister(1),
-                 i.InputDoubleRegister(2));
+      __ Madd_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputDoubleRegister(1), i.InputDoubleRegister(2),
+                kScratchDoubleReg);
       break;
     case kMips64MsubS:
-      __ msub_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
-                i.InputFloatRegister(1), i.InputFloatRegister(2));
+      __ Msub_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
+                i.InputFloatRegister(1), i.InputFloatRegister(2),
+                kScratchDoubleReg);
       break;
     case kMips64MsubD:
-      __ msub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
-                i.InputDoubleRegister(1), i.InputDoubleRegister(2));
-      break;
-    case kMips64MsubfS:
-      __ msubf_s(i.OutputFloatRegister(), i.InputFloatRegister(1),
-                 i.InputFloatRegister(2));
-      break;
-    case kMips64MsubfD:
-      __ msubf_d(i.OutputDoubleRegister(), i.InputDoubleRegister(1),
-                 i.InputDoubleRegister(2));
+      __ Msub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputDoubleRegister(1), i.InputDoubleRegister(2),
+                kScratchDoubleReg);
       break;
     case kMips64MulD:
       // TODO(plind): add special case: right op is -1.0, see arm port.