Backport 45990d7

Author: duke

src/hotspot/cpu/x86/macroAssembler_x86.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2026, 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
@@ -5889,7 +5889,7 @@ void MacroAssembler::generate_fill(BasicType t, bool aligned,
           vpbroadcastd(xtmp, xtmp, Assembler::AVX_512bit);
 
           subptr(count, 16 << shift);
-          jccb(Assembler::less, L_check_fill_32_bytes);
+          jcc(Assembler::less, L_check_fill_32_bytes);
           align(16);
 
           BIND(L_fill_64_bytes_loop_avx3);

test/hotspot/jtreg/compiler/c2/ClearArray.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2026, 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
@@ -24,7 +24,7 @@
 
 /*
  * @test ClearArray.java
- * @bug 8284883
+ * @bug 8284883 8374570
  * @compile ClearArray.java
  * @summary ClearArray instruction overflows scratch buffer
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-TieredCompilation -Xbatch
@@ -33,6 +33,8 @@
  *   -XX:InitArrayShortSize=32768 -XX:-IdealizeClearArrayNode -XX:UseAVX=3 compiler.c2.ClearArray
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -Xbatch
  *   -XX:InitArrayShortSize=32768 -XX:MaxVectorSize=8 -XX:-IdealizeClearArrayNode -XX:UseAVX=3 compiler.c2.ClearArray
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -Xbatch
+ *   -XX:+EnableX86ECoreOpts -XX:MaxVectorSize=8 -XX:UseAVX=3 compiler.c2.ClearArray
  */
 
 package compiler.c2;