[wasm] Use the Float64Max/Min machine operators to implement F64Max/Min.

src/compiler/wasm-compiler.cc

Index: src/compiler/wasm-compiler.cc
diff --git a/src/compiler/wasm-compiler.cc b/src/compiler/wasm-compiler.cc
index 421066ee683682b17d5fee9a02ee7ef55441b951..86c1f973c28f1951aa8f5f033cda27ed91295c09 100644
--- a/src/compiler/wasm-compiler.cc
+++ b/src/compiler/wasm-compiler.cc
@@ -605,11 +605,13 @@ Node* WasmGraphBuilder::Binop(wasm::WasmOpcode opcode, Node* left, Node* right,
     case wasm::kExprF32Min:
       return BuildF32Min(left, right);
     case wasm::kExprF64Min:
-      return BuildF64Min(left, right);
+      op = m->Float64Min();
+      break;
     case wasm::kExprF32Max:
       return BuildF32Max(left, right);
     case wasm::kExprF64Max:
-      return BuildF64Max(left, right);
+      op = m->Float64Max();
+      break;
     case wasm::kExprF64Pow:
       return BuildF64Pow(left, right);
     case wasm::kExprF64Atan2:
@@ -1266,46 +1268,6 @@ Node* WasmGraphBuilder::BuildF32Max(Node* left, Node* right) {
               Binop(wasm::kExprF32Mul, left, Float32Constant(1.0)))));
 }
 
-Node* WasmGraphBuilder::BuildF64Min(Node* left, Node* right) {
-  Diamond left_le_right(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF64Le, left, right));
-
-  Diamond right_lt_left(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF64Lt, right, left));
-
-  Diamond left_is_not_nan(graph(), jsgraph()->common(),
-                          Binop(wasm::kExprF64Eq, left, left));
-
-  return left_le_right.Phi(
-      wasm::kAstF64, left,
-      right_lt_left.Phi(
-          wasm::kAstF64, right,
-          left_is_not_nan.Phi(
-              wasm::kAstF64,
-              Binop(wasm::kExprF64Mul, right, Float64Constant(1.0)),
-              Binop(wasm::kExprF64Mul, left, Float64Constant(1.0)))));
-}
-
-Node* WasmGraphBuilder::BuildF64Max(Node* left, Node* right) {
-  Diamond left_ge_right(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF64Ge, left, right));
-
-  Diamond right_gt_left(graph(), jsgraph()->common(),
-                        Binop(wasm::kExprF64Lt, right, left));
-
-  Diamond left_is_not_nan(graph(), jsgraph()->common(),
-                          Binop(wasm::kExprF64Eq, left, left));
-
-  return left_ge_right.Phi(
-      wasm::kAstF64, left,
-      right_gt_left.Phi(
-          wasm::kAstF64, right,
-          left_is_not_nan.Phi(
-              wasm::kAstF64,
-              Binop(wasm::kExprF64Mul, right, Float64Constant(1.0)),
-              Binop(wasm::kExprF64Mul, left, Float64Constant(1.0)))));
-}
-
 Node* WasmGraphBuilder::BuildI32SConvertF32(Node* input,
                                             wasm::WasmCodePosition position) {
   MachineOperatorBuilder* m = jsgraph()->machine();