From e6e9f14a7285698a0f7ffd578dc29692d452086d Mon Sep 17 00:00:00 2001
From: Alexander Smundak <asmundak@google.com>
Date: Wed, 2 Apr 2014 11:28:32 -0700
Subject: [PATCH] 8036767: PPC64: Support for little endian execution model

Reviewed-by: ihse, erikj, simonis
---
 common/autoconf/build-aux/config.guess | 10 ++++++++++
 common/autoconf/generated-configure.sh | 14 +++++++++++++-
 common/autoconf/platform.m4            |  6 ++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/common/autoconf/build-aux/config.guess b/common/autoconf/build-aux/config.guess
index b0c03a79629..355c91e4ebb 100644
--- a/common/autoconf/build-aux/config.guess
+++ b/common/autoconf/build-aux/config.guess
@@ -76,4 +76,14 @@ if test $? = 0; then
   OUT=powerpc$KERNEL_BITMODE`echo $OUT | sed -e 's/[^-]*//'`
 fi
 
+# Test and fix little endian PowerPC64.
+# TODO: should be handled by autoconf-config.guess. 
+if [ "x$OUT" = x ]; then
+  if [ `uname -m` = ppc64le ]; then
+    if [ `uname -s` = Linux ]; then
+      OUT=powerpc64le-unknown-linux-gnu
+    fi
+  fi
+fi
+
 echo $OUT
diff --git a/common/autoconf/generated-configure.sh b/common/autoconf/generated-configure.sh
index 6b7a52bd273..9c41329657c 100644
--- a/common/autoconf/generated-configure.sh
+++ b/common/autoconf/generated-configure.sh
@@ -4233,7 +4233,7 @@ TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++"
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1395652496
+DATE_WHEN_GENERATED=1396463189
 
 ###############################################################################
 #
@@ -13508,6 +13508,12 @@ test -n "$target_alias" &&
       VAR_CPU_BITS=64
       VAR_CPU_ENDIAN=big
       ;;
+    powerpc64le)
+      VAR_CPU=ppc64
+      VAR_CPU_ARCH=ppc
+      VAR_CPU_BITS=64
+      VAR_CPU_ENDIAN=little
+      ;;
     s390)
       VAR_CPU=s390
       VAR_CPU_ARCH=s390
@@ -13633,6 +13639,12 @@ $as_echo "$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU" >&6; }
       VAR_CPU_BITS=64
       VAR_CPU_ENDIAN=big
       ;;
+    powerpc64le)
+      VAR_CPU=ppc64
+      VAR_CPU_ARCH=ppc
+      VAR_CPU_BITS=64
+      VAR_CPU_ENDIAN=little
+      ;;
     s390)
       VAR_CPU=s390
       VAR_CPU_ARCH=s390
diff --git a/common/autoconf/platform.m4 b/common/autoconf/platform.m4
index d1b1573b101..1f06f0ce7d5 100644
--- a/common/autoconf/platform.m4
+++ b/common/autoconf/platform.m4
@@ -60,6 +60,12 @@ AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU],
       VAR_CPU_BITS=64
       VAR_CPU_ENDIAN=big
       ;;
+    powerpc64le)
+      VAR_CPU=ppc64
+      VAR_CPU_ARCH=ppc
+      VAR_CPU_BITS=64
+      VAR_CPU_ENDIAN=little
+      ;;
     s390)
       VAR_CPU=s390
       VAR_CPU_ARCH=s390