8342103: C2 compiler support for Float16 type and associated scalar operations

src/hotspot/share/opto/addnode.cpp

@@ -1543,7 +1543,7 @@ const Type* MinHFNode::add_ring(const Type* t0, const Type* t1) const {
   }
 
   // As per IEEE 754 specification, floating point comparison consider +ve and -ve
-  // zeros as equals. Thus, performing signed integral comparison for max value
+  // zeros as equals. Thus, performing signed integral comparison for min value
   // detection.
   return (jint_cast(f0) < jint_cast(f1)) ? r0 : r1;
 }
@@ -1620,7 +1620,7 @@ const Type* MaxHFNode::add_ring(const Type* t0, const Type* t1) const {
   }
 
   // As per IEEE 754 specification, floating point comparison consider +ve and -ve
-  // zeros as equals. Thus, performing signed integral comparison for min value
+  // zeros as equals. Thus, performing signed integral comparison for max value
   // detection.
   return (jint_cast(f0) > jint_cast(f1)) ? r0 : r1;
 }

src/hotspot/share/opto/divnode.cpp

@@ -845,7 +845,7 @@ const Type* DivHFNode::Value(PhaseGVN* phase) const {
 
   // If the dividend is a constant zero
   // Note: if t1 and t2 are zero then result is NaN (JVMS page 213)
-  // Test TypeF::ZERO is not sufficient as it could be negative zero
+  // Test TypeHF::ZERO is not sufficient as it could be negative zero
 
   if (t1 == TypeH::ZERO && !g_isnan(t2->getf()) && t2->getf() != 0.0) {
     return TypeH::ZERO;

test/hotspot/jtreg/compiler/vectorization/TestFloat16VectorConvChain.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it