Merge branch 'openjdk:master' into backport-sendaoYan-b0721e28-master

Author: sendaoYan

.github/workflows/main.yml

@@ -237,8 +237,8 @@ jobs:
     uses: ./.github/workflows/build-macos.yml
     with:
       platform: macos-x64
-      runs-on: 'macos-13'
-      xcode-toolset-version: '14.3.1'
+      runs-on: 'macos-15-intel'
+      xcode-toolset-version: '16.4'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
     if: needs.prepare.outputs.macos-x64 == 'true'
@@ -249,8 +249,8 @@ jobs:
     uses: ./.github/workflows/build-macos.yml
     with:
       platform: macos-aarch64
-      runs-on: 'macos-14'
-      xcode-toolset-version: '15.4'
+      runs-on: 'macos-15'
+      xcode-toolset-version: '16.4'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
     if: needs.prepare.outputs.macos-aarch64 == 'true'
@@ -311,17 +311,6 @@ jobs:
       bootjdk-platform: linux-x64
       runs-on: ubuntu-22.04
 
-  test-macos-x64:
-    name: macos-x64
-    needs:
-      - build-macos-x64
-    uses: ./.github/workflows/test.yml
-    with:
-      platform: macos-x64
-      bootjdk-platform: macos-x64
-      runs-on: macos-13
-      xcode-toolset-version: '14.3.1'
-
   test-macos-aarch64:
     name: macos-aarch64
     needs:
@@ -330,8 +319,8 @@ jobs:
     with:
       platform: macos-aarch64
       bootjdk-platform: macos-aarch64
-      runs-on: macos-14
-      xcode-toolset-version: '15.4'
+      runs-on: macos-15
+      xcode-toolset-version: '16.4'
 
   test-windows-x64:
     name: windows-x64

make/autoconf/basic_tools.m4

@@ -378,7 +378,7 @@ AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 
   # Check if it's a GNU date compatible version
   AC_MSG_CHECKING([if date is a GNU compatible version])
-  check_date=`$DATE --version 2>&1 | $GREP "GNU\|BusyBox"`
+  check_date=`$DATE --version 2>&1 | $GREP "GNU\|BusyBox\|uutils"`
   if test "x$check_date" != x; then
     AC_MSG_RESULT([yes])
     IS_GNU_DATE=yes

make/autoconf/flags-cflags.m4

@@ -625,8 +625,8 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
     TOOLCHAIN_CFLAGS_JVM="-qtbtable=full -qtune=balanced -fno-exceptions \
         -qalias=noansi -qstrict -qtls=default -qnortti -qnoeh -qignerrno -qstackprotect"
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    TOOLCHAIN_CFLAGS_JVM="-nologo -MD -Zc:preprocessor -Zc:strictStrings -MP"
-    TOOLCHAIN_CFLAGS_JDK="-nologo -MD -Zc:preprocessor -Zc:strictStrings -Zc:wchar_t-"
+    TOOLCHAIN_CFLAGS_JVM="-nologo -MD -Zc:preprocessor -Zc:throwingNew -permissive- -MP"
+    TOOLCHAIN_CFLAGS_JDK="-nologo -MD -Zc:preprocessor -Zc:throwingNew -permissive- -Zc:wchar_t-"
   fi
 
   # CFLAGS C language level for JDK sources (hotspot only uses C++)

make/ide/netbeans/langtools/build.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2007, 2023, Oracle and/or its affiliates. All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
@@ -242,7 +242,7 @@
                 </nbjpdastart>
                 <property
                     name="@{jpda.jvmargs.property}"
-                    value="-Xdebug -Xnoagent -Djava.compiler=none -Xrunjdwp:transport=dt_socket,address=${jpda.address}"
+                    value="-Xrunjdwp:transport=dt_socket,address=${jpda.address}"
                 />
             </sequential>
         </macrodef>

src/hotspot/cpu/aarch64/aarch64.ad

@@ -3401,7 +3401,7 @@ encode %{
     }
   %}
 
-  /// mov envcodings
+  // mov encodings
 
   enc_class aarch64_enc_movw_imm(iRegI dst, immI src) %{
     C2_MacroAssembler _masm(&cbuf);

src/hotspot/cpu/aarch64/interp_masm_aarch64.cpp

@@ -1892,3 +1892,15 @@ void InterpreterMacroAssembler::load_resolved_indy_entry(Register cache, Registe
   add(cache, cache, Array<ResolvedIndyEntry>::base_offset_in_bytes());
   lea(cache, Address(cache, index));
 }
+
+#ifdef ASSERT
+void InterpreterMacroAssembler::verify_field_offset(Register reg) {
+  // Verify the field offset is not in the header, implicitly checks for 0
+  Label L;
+  subs(zr, reg, static_cast<int>(sizeof(markWord) + (UseCompressedClassPointers ? sizeof(narrowKlass) : sizeof(Klass*))));
+  br(Assembler::GE, L);
+  stop("bad field offset");
+  bind(L);
+}
+#endif
+

src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp

@@ -321,6 +321,8 @@ class InterpreterMacroAssembler: public MacroAssembler {
   }
 
   void load_resolved_indy_entry(Register cache, Register index);
+
+  void verify_field_offset(Register reg) NOT_DEBUG_RETURN;
 };
 
 #endif // CPU_AARCH64_INTERP_MASM_AARCH64_HPP

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -5913,7 +5913,7 @@ void MacroAssembler::fill_words(Register base, Register cnt, Register value)
 // - sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray
 //     return the number of characters copied.
 // - java/lang/StringUTF16.compress
-//     return zero (0) if copy fails, otherwise 'len'.
+//     return index of non-latin1 character if copy fails, otherwise 'len'.
 //
 // This version always returns the number of characters copied, and does not
 // clobber the 'len' register. A successful copy will complete with the post-
@@ -6130,15 +6130,15 @@ address MacroAssembler::byte_array_inflate(Register src, Register dst, Register
 }
 
 // Compress char[] array to byte[].
+// Intrinsic for java.lang.StringUTF16.compress(char[] src, int srcOff, byte[] dst, int dstOff, int len)
+// Return the array length if every element in array can be encoded,
+// otherwise, the index of first non-latin1 (> 0xff) character.
 void MacroAssembler::char_array_compress(Register src, Register dst, Register len,
                                          Register res,
                                          FloatRegister tmp0, FloatRegister tmp1,
                                          FloatRegister tmp2, FloatRegister tmp3,
                                          FloatRegister tmp4, FloatRegister tmp5) {
   encode_iso_array(src, dst, len, res, false, tmp0, tmp1, tmp2, tmp3, tmp4, tmp5);
-  // Adjust result: res == len ? len : 0
-  cmp(len, res);
-  csel(res, res, zr, EQ);
 }
 
 // java.math.round(double a)

src/hotspot/cpu/aarch64/templateTable_aarch64.cpp

@@ -166,6 +166,7 @@ void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg,
                                    Register temp_reg, bool load_bc_into_bc_reg/*=true*/,
                                    int byte_no)
 {
+  assert_different_registers(bc_reg, temp_reg);
   if (!RewriteBytecodes)  return;
   Label L_patch_done;
 
@@ -223,8 +224,12 @@ void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg,
   __ bind(L_okay);
 #endif
 
-  // patch bytecode
-  __ strb(bc_reg, at_bcp(0));
+  // Patch bytecode with release store to coordinate with ConstantPoolCacheEntry loads
+  // in fast bytecode codelets. The fast bytecode codelets have a memory barrier that gains
+  // the needed ordering, together with control dependency on entering the fast codelet
+  // itself.
+  __ lea(temp_reg, at_bcp(0));
+  __ stlrb(bc_reg, temp_reg);
   __ bind(L_patch_done);
 }
 
@@ -2982,6 +2987,7 @@ void TemplateTable::fast_storefield(TosState state)
 
   // replace index with field offset from cache entry
   __ ldr(r1, Address(r2, in_bytes(base + ConstantPoolCacheEntry::f2_offset())));
+  __ verify_field_offset(r1);
 
   {
     Label notVolatile;
@@ -3075,6 +3081,8 @@ void TemplateTable::fast_accessfield(TosState state)
 
   __ ldr(r1, Address(r2, in_bytes(ConstantPoolCache::base_offset() +
                                   ConstantPoolCacheEntry::f2_offset())));
+  __ verify_field_offset(r1);
+
   __ ldrw(r3, Address(r2, in_bytes(ConstantPoolCache::base_offset() +
                                    ConstantPoolCacheEntry::flags_offset())));
 
@@ -3142,8 +3150,13 @@ void TemplateTable::fast_xaccess(TosState state)
   __ ldr(r0, aaddress(0));
   // access constant pool cache
   __ get_cache_and_index_at_bcp(r2, r3, 2);
+
+  // Must prevent reordering of the following cp cache loads with bytecode load
+  __ membar(MacroAssembler::LoadLoad);
+
   __ ldr(r1, Address(r2, in_bytes(ConstantPoolCache::base_offset() +
                                   ConstantPoolCacheEntry::f2_offset())));
+  __ verify_field_offset(r1);
 
   // 8179954: We need to make sure that the code generated for
   // volatile accesses forms a sequentially-consistent set of

src/hotspot/cpu/ppc/interp_masm_ppc.hpp

@@ -126,7 +126,8 @@ class InterpreterMacroAssembler: public MacroAssembler {
 
   void get_cache_index_at_bcp(Register Rdst, int bcp_offset, size_t index_size);
 
-  void get_cache_and_index_at_bcp(Register cache, int bcp_offset, size_t index_size = sizeof(u2));
+  void get_cache_and_index_at_bcp(Register cache, int bcp_offset, size_t index_size = sizeof(u2),
+                                  bool for_fast_bytecode = false);
   void load_resolved_indy_entry(Register cache, Register index);
 
   void get_u4(Register Rdst, Register Rsrc, int offset, signedOrNot is_signed);