[turbofan] Add Float32(Max|Min) 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/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 1030 matching lines @@
       break;
     case kSSEFloat64Mul:
       __ mulsd(i.InputDoubleRegister(0), i.InputOperand(1));
       break;
     case kSSEFloat64Div:
       __ divsd(i.InputDoubleRegister(0), i.InputOperand(1));
       // Don't delete this mov. It may improve performance on some CPUs,
       // when there is a (v)mulsd depending on the result.
       __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister());
       break;
+    case kSSEFloat32Max: {
+      Label compare_nan, compare_swap, done_compare;
+      if (instr->InputAt(1)->IsFPRegister()) {
+        __ ucomiss(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
+      } else {
+        __ ucomiss(i.InputDoubleRegister(0), i.InputOperand(1));
+      }
+      auto ool =
+          new (zone()) OutOfLineLoadFloat32NaN(this, i.OutputDoubleRegister());
+      __ j(parity_even, ool->entry());
+      __ j(above, &done_compare, Label::kNear);
+      __ j(below, &compare_swap, Label::kNear);
+      __ movmskps(i.TempRegister(0), i.InputDoubleRegister(0));
+      __ test(i.TempRegister(0), Immediate(1));
+      __ j(zero, &done_compare, Label::kNear);
+      __ bind(&compare_swap);
+      if (instr->InputAt(1)->IsFPRegister()) {
+        __ movss(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
+      } else {
+        __ movss(i.InputDoubleRegister(0), i.InputOperand(1));
+      }
+      __ bind(&done_compare);
+      __ bind(ool->exit());
+      break;
+    }
+
     case kSSEFloat64Max: {
       Label compare_nan, compare_swap, done_compare;
       if (instr->InputAt(1)->IsFPRegister()) {
         __ ucomisd(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
       } else {
         __ ucomisd(i.InputDoubleRegister(0), i.InputOperand(1));
       }
       auto ool =
           new (zone()) OutOfLineLoadFloat64NaN(this, i.OutputDoubleRegister());
       __ j(parity_even, ool->entry());
       __ j(above, &done_compare, Label::kNear);
       __ j(below, &compare_swap, Label::kNear);
       __ movmskpd(i.TempRegister(0), i.InputDoubleRegister(0));
       __ test(i.TempRegister(0), Immediate(1));
       __ j(zero, &done_compare, Label::kNear);
       __ bind(&compare_swap);
       if (instr->InputAt(1)->IsFPRegister()) {
         __ movsd(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
       } else {
         __ movsd(i.InputDoubleRegister(0), i.InputOperand(1));
       }
       __ bind(&done_compare);
       __ bind(ool->exit());
       break;
     }
+    case kSSEFloat32Min: {
+      Label compare_swap, done_compare;
+      if (instr->InputAt(1)->IsFPRegister()) {
+        __ ucomiss(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
+      } else {
+        __ ucomiss(i.InputDoubleRegister(0), i.InputOperand(1));
+      }
+      auto ool =
+          new (zone()) OutOfLineLoadFloat32NaN(this, i.OutputDoubleRegister());
+      __ j(parity_even, ool->entry());
+      __ j(below, &done_compare, Label::kNear);
+      __ j(above, &compare_swap, Label::kNear);
+      if (instr->InputAt(1)->IsFPRegister()) {
+        __ movmskps(i.TempRegister(0), i.InputDoubleRegister(1));
+      } else {
+        __ movss(kScratchDoubleReg, i.InputOperand(1));
+        __ movmskps(i.TempRegister(0), kScratchDoubleReg);
+      }
+      __ test(i.TempRegister(0), Immediate(1));
+      __ j(zero, &done_compare, Label::kNear);
+      __ bind(&compare_swap);
+      if (instr->InputAt(1)->IsFPRegister()) {
+        __ movss(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
+      } else {
+        __ movss(i.InputDoubleRegister(0), i.InputOperand(1));
+      }
+      __ bind(&done_compare);
+      __ bind(ool->exit());
+      break;
+    }
     case kSSEFloat64Min: {
       Label compare_swap, done_compare;
       if (instr->InputAt(1)->IsFPRegister()) {
         __ ucomisd(i.InputDoubleRegister(0), i.InputDoubleRegister(1));
       } else {
         __ ucomisd(i.InputDoubleRegister(0), i.InputOperand(1));
       }
       auto ool =
           new (zone()) OutOfLineLoadFloat64NaN(this, i.OutputDoubleRegister());
       __ j(parity_even, ool->entry());
@@ skipping 1126 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8