[turbofan] Introduce optional Float64Min and Float64Max machine operators.

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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/ia32/assembler-ia32.h"
@@ skipping 444 matching lines @@
       break;
     case kSSEFloat64Sub:
       __ subsd(i.InputDoubleRegister(0), i.InputOperand(1));
       break;
     case kSSEFloat64Mul:
       __ mulsd(i.InputDoubleRegister(0), i.InputOperand(1));
       break;
     case kSSEFloat64Div:
       __ divsd(i.InputDoubleRegister(0), i.InputOperand(1));
       break;
+    case kSSEFloat64Max:
+      __ maxsd(i.InputDoubleRegister(0), i.InputOperand(1));
+      break;
+    case kSSEFloat64Min:
+      __ minsd(i.InputDoubleRegister(0), i.InputOperand(1));
+      break;
     case kSSEFloat64Mod: {
       // TODO(dcarney): alignment is wrong.
       __ sub(esp, Immediate(kDoubleSize));
       // Move values to st(0) and st(1).
       __ movsd(Operand(esp, 0), i.InputDoubleRegister(1));
       __ fld_d(Operand(esp, 0));
       __ movsd(Operand(esp, 0), i.InputDoubleRegister(0));
       __ fld_d(Operand(esp, 0));
       // Loop while fprem isn't done.
       Label mod_loop;
@@ skipping 85 matching lines @@
       __ vmulsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                 i.InputOperand(1));
       break;
     }
     case kAVXFloat64Div: {
       CpuFeatureScope avx_scope(masm(), AVX);
       __ vdivsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                 i.InputOperand(1));
       break;
     }
+    case kAVXFloat64Max: {
+      CpuFeatureScope avx_scope(masm(), AVX);
+      __ vmaxsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputOperand(1));
+      break;
+    }
+    case kAVXFloat64Min: {
+      CpuFeatureScope avx_scope(masm(), AVX);
+      __ vminsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputOperand(1));
+      break;
+    }
     case kIA32Movsxbl:
       __ movsx_b(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movzxbl:
       __ movzx_b(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movb: {
       size_t index = 0;
       Operand operand = i.MemoryOperand(&index);
       if (HasImmediateInput(instr, index)) {
@@ skipping 729 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8