aoqi@0: #
aoqi@0: # Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0: # Copyright 2012, 2013 SAP AG. All rights reserved.
aoqi@0: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: #
aoqi@0: # This code is free software; you can redistribute it and/or modify it
aoqi@0: # under the terms of the GNU General Public License version 2 only, as
aoqi@0: # published by the Free Software Foundation.
aoqi@0: #
aoqi@0: # This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0: # version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: # accompanied this code).
aoqi@0: #
aoqi@0: # You should have received a copy of the GNU General Public License version
aoqi@0: # 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: #
aoqi@0: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: # or visit www.oracle.com if you need additional information or have any
aoqi@0: # questions.
aoqi@0: #
aoqi@0: #
aoqi@0: 
aoqi@0: # make c code know it is on a 64 bit platform.
aoqi@0: CFLAGS += -D_LP64=1
aoqi@0: 
aoqi@0: ifeq ($(origin OPENJDK_TARGET_CPU_ENDIAN),undefined)
aoqi@0:   # This can happen during hotspot standalone build. Set endianness from
aoqi@0:   # uname. We assume build and target machines are the same.
aoqi@0:   OPENJDK_TARGET_CPU_ENDIAN:=$(if $(filter ppc64le,$(shell uname -m)),little,big)
aoqi@0: endif
aoqi@0: 
aoqi@0: ifeq ($(filter $(OPENJDK_TARGET_CPU_ENDIAN),big little),)
aoqi@0:   $(error OPENJDK_TARGET_CPU_ENDIAN value should be 'big' or 'little')
aoqi@0: endif
aoqi@0: 
aoqi@0: ifeq ($(OPENJDK_TARGET_CPU_ENDIAN),big)
aoqi@0:   # fixes `relocation truncated to fit' error for gcc 4.1.
aoqi@0:   CFLAGS += -mminimal-toc
aoqi@0: 
aoqi@0:   # finds use ppc64 instructions, but schedule for power5
aoqi@0:   CFLAGS += -mcpu=powerpc64 -mtune=power5 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
aoqi@0: else
aoqi@0:   # Little endian machine uses ELFv2 ABI.
aoqi@0:   CFLAGS += -DVM_LITTLE_ENDIAN -DABI_ELFv2
aoqi@0: 
aoqi@0:   # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
aoqi@0:   CFLAGS += -mcpu=power7 -mtune=power8 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
aoqi@0: endif