[turbofan] Add Float32(Max|Min) machine operators.

src/compiler/wasm-compiler.cc

 // Copyright 2015 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/wasm-compiler.h"
 
 #include <memory>
 
 #include "src/isolate-inl.h"
 
@@ skipping 631 matching lines @@
       break;
     case wasm::kExprF64Gt:
       op = m->Float64LessThan();
       std::swap(left, right);
       break;
     case wasm::kExprF64Ge:
       op = m->Float64LessThanOrEqual();
       std::swap(left, right);
       break;
     case wasm::kExprF32Min:
-      return BuildF32Min(left, right);
+      op = m->Float32Min();
+      break;
     case wasm::kExprF64Min:
       op = m->Float64Min();
       break;
     case wasm::kExprF32Max:
-      return BuildF32Max(left, right);
+      op = m->Float32Max();
+      break;
     case wasm::kExprF64Max:
       op = m->Float64Max();
       break;
     case wasm::kExprF64Pow:
       return BuildF64Pow(left, right);
     case wasm::kExprF64Atan2:
       op = m->Float64Atan2();
       break;
     case wasm::kExprF64Mod:
       return BuildF64Mod(left, right);
@@ skipping 563 matching lines @@
   Node* new_high_word =
       Binop(wasm::kExprI32Ior, Binop(wasm::kExprI32And, high_word_left,
                                      jsgraph()->Int32Constant(0x7fffffff)),
             Binop(wasm::kExprI32And, high_word_right,
                   jsgraph()->Int32Constant(0x80000000)));
 
   return graph()->NewNode(m->Float64InsertHighWord32(), left, new_high_word);
 #endif
 }
 
-Node* WasmGraphBuilder::BuildF32Min(Node* left, Node* right) {
-  Diamond left_le_right(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF32Le, left, right));
-
-  Diamond right_lt_left(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF32Lt, right, left));
-
-  Diamond left_is_not_nan(graph(), jsgraph()->common(),
-                          Binop(wasm::kExprF32Eq, left, left));
-
-  return left_le_right.Phi(
-      wasm::kAstF32, left,
-      right_lt_left.Phi(
-          wasm::kAstF32, right,
-          left_is_not_nan.Phi(
-              wasm::kAstF32,
-              Binop(wasm::kExprF32Mul, right, Float32Constant(1.0)),
-              Binop(wasm::kExprF32Mul, left, Float32Constant(1.0)))));
-}
-
-Node* WasmGraphBuilder::BuildF32Max(Node* left, Node* right) {
-  Diamond left_ge_right(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF32Ge, left, right));
-
-  Diamond right_gt_left(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF32Gt, right, left));
-
-  Diamond left_is_not_nan(graph(), jsgraph()->common(),
-                          Binop(wasm::kExprF32Eq, left, left));
-
-  return left_ge_right.Phi(
-      wasm::kAstF32, left,
-      right_gt_left.Phi(
-          wasm::kAstF32, right,
-          left_is_not_nan.Phi(
-              wasm::kAstF32,
-              Binop(wasm::kExprF32Mul, right, Float32Constant(1.0)),
-              Binop(wasm::kExprF32Mul, left, Float32Constant(1.0)))));
-}
-
 Node* WasmGraphBuilder::BuildI32SConvertF32(Node* input,
                                             wasm::WasmCodePosition position) {
   MachineOperatorBuilder* m = jsgraph()->machine();
   // Truncation of the input value is needed for the overflow check later.
   Node* trunc = Unop(wasm::kExprF32Trunc, input);
   Node* result = graph()->NewNode(m->TruncateFloat32ToInt32(), trunc);
 
   // Convert the result back to f64. If we end up at a different value than the
   // truncated input value, then there has been an overflow and we trap.
   Node* check = Unop(wasm::kExprF32SConvertI32, result);
@@ skipping 1975 matching lines @@
                             function_->code_start_offset),
            compile_ms);
   }
 
   return code;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8