[builtins] Unify Cosh, Sinh and Tanh as exports from flibm

src/compiler/machine-operator-reducer.cc

Index: src/compiler/machine-operator-reducer.cc
diff --git a/src/compiler/machine-operator-reducer.cc b/src/compiler/machine-operator-reducer.cc
index f30c4f7aa6d6f3fee1252f555bea0213972db6f6..b5748b2a1a1a551e8e572badffa502f6eb29a750 100644
--- a/src/compiler/machine-operator-reducer.cc
+++ b/src/compiler/machine-operator-reducer.cc
@@ -401,6 +401,11 @@ Reduction MachineOperatorReducer::Reduce(Node* node) {
       if (m.HasValue()) return ReplaceFloat64(base::ieee754::cos(m.Value()));
       break;
     }
+    case IrOpcode::kFloat64Cosh: {
+      Float64Matcher m(node->InputAt(0));
+      if (m.HasValue()) return ReplaceFloat64(base::ieee754::cosh(m.Value()));
+      break;
+    }
     case IrOpcode::kFloat64Exp: {
       Float64Matcher m(node->InputAt(0));
       if (m.HasValue()) return ReplaceFloat64(base::ieee754::exp(m.Value()));
@@ -462,11 +467,21 @@ Reduction MachineOperatorReducer::Reduce(Node* node) {
       if (m.HasValue()) return ReplaceFloat64(base::ieee754::sin(m.Value()));
       break;
     }
+    case IrOpcode::kFloat64Sinh: {
+      Float64Matcher m(node->InputAt(0));
+      if (m.HasValue()) return ReplaceFloat64(base::ieee754::sinh(m.Value()));
+      break;
+    }
     case IrOpcode::kFloat64Tan: {
       Float64Matcher m(node->InputAt(0));
       if (m.HasValue()) return ReplaceFloat64(base::ieee754::tan(m.Value()));
       break;
     }
+    case IrOpcode::kFloat64Tanh: {
+      Float64Matcher m(node->InputAt(0));
+      if (m.HasValue()) return ReplaceFloat64(base::ieee754::tanh(m.Value()));
+      break;
+    }
     case IrOpcode::kChangeFloat32ToFloat64: {
       Float32Matcher m(node->InputAt(0));
       if (m.HasValue()) return ReplaceFloat64(m.Value());