Merge pull request dragonwell-project#322 from alibaba/squash_branch

Merge remote-tracking branch 'upstream/master' into dragonwell8

.gitattributes

@@ -0,0 +1 @@
+*	-text

.gitignore

@@ -0,0 +1,15 @@
+/build/
+/dist/
+/.idea/
+nbproject/private/
+/webrev
+/.src-rev
+/.jib/
+.DS_Store
+.metadata/
+.recommenders/
+test/nashorn/script/external
+test/nashorn/lib
+NashornProfile.txt
+**/JTreport/**
+**/JTwork/**

.hgignore

@@ -6,4 +6,5 @@ nbproject/private/
 ^.bridge2
 .DS_Store
 # Default ignored files
-.idea/workspace.xml
+.idea/workspace.xml
+.*/.git/.*

common/autoconf/basics.m4

@@ -827,6 +827,7 @@ AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
   fi
   BASIC_PATH_PROGS(READELF, [readelf greadelf])
   BASIC_PATH_PROGS(HG, hg)
+  BASIC_PATH_PROGS(GIT, git)
   BASIC_PATH_PROGS(STAT, stat)
   BASIC_PATH_PROGS(TIME, time)
   # Check if it's GNU time

common/autoconf/generated-configure.sh

@@ -865,6 +865,7 @@ DSYMUTIL
 IS_GNU_TIME
 TIME
 STAT
+GIT
 HG
 READELF
 LDD
@@ -1180,6 +1181,7 @@ ZIP
 LDD
 READELF
 HG
+GIT
 STAT
 TIME
 DSYMUTIL
@@ -2073,6 +2075,7 @@ Some influential environment variables:
   LDD         Override default value for LDD
   READELF     Override default value for READELF
   HG          Override default value for HG
+  GIT         Override default value for GIT
   STAT        Override default value for STAT
   TIME        Override default value for TIME
   DSYMUTIL    Override default value for DSYMUTIL
@@ -4400,7 +4403,7 @@ VS_SDK_PLATFORM_NAME_2017=
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1625670527
+DATE_WHEN_GENERATED=1639134107
 
 ###############################################################################
 #
@@ -18240,6 +18243,192 @@ $as_echo "$tool_specified" >&6; }
 
 
 
+  # Publish this variable in the help.
+
+
+  if test "x$GIT" = x; then
+    # The variable is not set by user, try to locate tool using the code snippet
+    for ac_prog in git
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_GIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GIT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GIT="$GIT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_GIT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+GIT=$ac_cv_path_GIT
+if test -n "$GIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GIT" >&5
+$as_echo "$GIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$GIT" && break
+done
+
+  else
+    # The variable is set, but is it from the command line or the environment?
+
+    # Try to remove the string !GIT! from our list.
+    try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!GIT!/}
+    if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
+      # If it failed, the variable was not from the command line. Ignore it,
+      # but warn the user (except for BASH, which is always set by the calling BASH).
+      if test "xGIT" != xBASH; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Ignoring value of GIT from the environment. Use command line variables instead." >&5
+$as_echo "$as_me: WARNING: Ignoring value of GIT from the environment. Use command line variables instead." >&2;}
+      fi
+      # Try to locate tool using the code snippet
+      for ac_prog in git
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_GIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GIT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GIT="$GIT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_GIT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+GIT=$ac_cv_path_GIT
+if test -n "$GIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GIT" >&5
+$as_echo "$GIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$GIT" && break
+done
+
+    else
+      # If it succeeded, then it was overridden by the user. We will use it
+      # for the tool.
+
+      # First remove it from the list of overridden variables, so we can test
+      # for unknown variables in the end.
+      CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
+
+      # Check if the provided tool contains a complete path.
+      tool_specified="$GIT"
+      tool_basename="${tool_specified##*/}"
+      if test "x$tool_basename" = "x$tool_specified"; then
+        # A command without a complete path is provided, search $PATH.
+        { $as_echo "$as_me:${as_lineno-$LINENO}: Will search for user supplied tool GIT=$tool_basename" >&5
+$as_echo "$as_me: Will search for user supplied tool GIT=$tool_basename" >&6;}
+        # Extract the first word of "$tool_basename", so it can be a program name with args.
+set dummy $tool_basename; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_GIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GIT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GIT="$GIT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_GIT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+GIT=$ac_cv_path_GIT
+if test -n "$GIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GIT" >&5
+$as_echo "$GIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+        if test "x$GIT" = x; then
+          as_fn_error $? "User supplied tool $tool_basename could not be found" "$LINENO" 5
+        fi
+      else
+        # Otherwise we believe it is a complete path. Use it as it is.
+        { $as_echo "$as_me:${as_lineno-$LINENO}: Will use user supplied tool GIT=$tool_specified" >&5
+$as_echo "$as_me: Will use user supplied tool GIT=$tool_specified" >&6;}
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GIT" >&5
+$as_echo_n "checking for GIT... " >&6; }
+        if test ! -x "$tool_specified"; then
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+$as_echo "not found" >&6; }
+          as_fn_error $? "User supplied tool GIT=$tool_specified does not exist or is not executable" "$LINENO" 5
+        fi
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $tool_specified" >&5
+$as_echo "$tool_specified" >&6; }
+      fi
+    fi
+  fi
+
+
+
+
   # Publish this variable in the help.
 
 

common/autoconf/spec.gmk.in

@@ -578,6 +578,7 @@ READELF:=@READELF@
 EXPR:=@EXPR@
 FILE:=@FILE@
 HG:=@HG@
+GIT:=@GIT@
 OBJCOPY:=@OBJCOPY@
 SETFILE:=@SETFILE@
 XATTR:=@XATTR@

hotspot/src/cpu/aarch64/vm/assembler_aarch64.hpp

@@ -553,14 +553,7 @@ class Address VALUE_OBJ_CLASS_SPEC {
 
   void lea(MacroAssembler *, Register) const;
 
-  static bool offset_ok_for_immed(long offset, int shift = 0) {
-    unsigned mask = (1 << shift) - 1;
-    if (offset < 0 || offset & mask) {
-      return (uabs(offset) < (1 << (20 - 12))); // Unscaled offset
-    } else {
-      return ((offset >> shift) < (1 << (21 - 10 + 1))); // Scaled, unsigned offset
-    }
-  }
+  static bool offset_ok_for_immed(int64_t offset, uint shift = 0);
 };
 
 // Convience classes

hotspot/src/cpu/aarch64/vm/assembler_aarch64.inline.hpp

@@ -31,4 +31,16 @@
 #include "asm/codeBuffer.hpp"
 #include "code/codeCache.hpp"
 
+
+inline bool Address::offset_ok_for_immed(int64_t offset, uint shift) {
+  uint mask = (1 << shift) - 1;
+  if (offset < 0 || (offset & mask) != 0) {
+    // Unscaled signed offset, encoded in a signed imm9 field.
+    return Assembler::is_simm9(offset);
+  } else {
+    // Scaled unsigned offset, encoded in an unsigned imm12:_ field.
+    return Assembler::is_uimm12(offset >> shift);
+  }
+}
+
 #endif // CPU_AARCH64_VM_ASSEMBLER_AARCH64_INLINE_HPP