view make/pic.make @ 7373:6b2c55fc9ba8

reworked mechanism for omitting intrinsics if the underlying hardware support is not available and used it to make intrinsification of Integer.bitCount() dependent on whether the POPCNT instruction is available
author Doug Simon <doug.simon@oracle.com>
date Mon, 14 Jan 2013 18:41:26 +0100
parents 0771839a29ab
children
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#
# Copyright (c) 2006, 2012, 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
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#  
#

# A list of object files built without the platform specific PIC flags, e.g.
# -fPIC on linux. Performance measurements show that by compiling GC related 
# code, we could significantly reduce the GC pause time on 32 bit Linux/Unix
# platforms. See 6454213 for more details.
include $(GAMMADIR)/make/scm.make

ifneq ($(OSNAME), windows)
  ifndef LP64
    PARTIAL_NONPIC=1
  endif
  PIC_ARCH = ppc arm
  ifneq ("$(filter $(PIC_ARCH),$(BUILDARCH))","")
    PARTIAL_NONPIC=0
  endif
  ifeq ($(PARTIAL_NONPIC),1)
    NONPIC_DIRS  = memory oops gc_implementation gc_interface 
    NONPIC_DIRS  := $(foreach dir,$(NONPIC_DIRS), $(GAMMADIR)/src/share/vm/$(dir))
    # Look for source files under NONPIC_DIRS
    NONPIC_FILES := $(foreach dir,$(NONPIC_DIRS),\
                      $(shell find $(dir) \( $(SCM_DIRS) \) -prune -o \
		      -name '*.cpp' -print))
    NONPIC_OBJ_FILES := $(notdir $(subst .cpp,.o,$(NONPIC_FILES)))
  endif
endif