Sun, 13 Apr 2008 17:43:42 -0400
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
1 #
2 # Copyright 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation.
8 #
9 # This code is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 # version 2 for more details (a copy is included in the LICENSE file that
13 # accompanied this code).
14 #
15 # You should have received a copy of the GNU General Public License version
16 # 2 along with this work; if not, write to the Free Software Foundation,
17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 #
19 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 # CA 95054 USA or visit www.sun.com if you need additional information or
21 # have any questions.
22 #
23 #
25 # Must also specify if CPU is little endian
26 CFLAGS += -DVM_LITTLE_ENDIAN
28 # Not included in includeDB because it has no dependencies
29 # Obj_Files += solaris_amd64.o
30 Obj_Files += solaris_x86_64.o
32 #
33 # Special case flags for compilers and compiler versions on amd64.
34 #
35 ifeq ("${Platform_compiler}", "sparcWorks")
37 # Temporary until C++ compiler is fixed
39 # _lwp_create_interpose must have a frame
40 OPT_CFLAGS/os_solaris_x86_64.o = -xO1
41 # force C++ interpreter to be full optimization
42 #OPT_CFLAGS/interpret.o = -fast -O4
44 # Temporary until SS10 C++ compiler is fixed
45 OPT_CFLAGS/generateOptoStub.o = -xO2
46 OPT_CFLAGS/thread.o = -xO2
48 # Work around for 6624782
49 OPT_CFLAGS/instanceKlass.o = -Qoption ube -no_a2lf
50 OPT_CFLAGS/objArrayKlass.o = -Qoption ube -no_a2lf
52 else
54 ifeq ("${Platform_compiler}", "gcc")
55 # gcc
56 # The serviceability agent relies on frame pointer (%rbp) to walk thread stack
57 CFLAGS += -fno-omit-frame-pointer
58 # force C++ interpreter to be full optimization
59 #OPT_CFLAGS/interpret.o = -O3
61 else
62 # error
63 _JUNK2_ := $(shell echo >&2 \
64 "*** ERROR: this compiler is not yet supported by this code base!")
65 @exit 1
66 endif
67 endif