annotate src/cpu/x86/vm/vmreg_x86.cpp @ 20304:a22acf6d7598

8048112: G1 Full GC needs to support the case when the very first region is not available Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett. Reviewed-by: brutisso
author tschatzl
date Mon, 21 Jul 2014 10:00:31 +0200
parents 8c92982cbbc4
children a560c9b81f0f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
6179
8c92982cbbc4 7119644: Increase superword's vector size up to 256 bits
kvn
parents: 1972
diff changeset
2 * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #include "asm/assembler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27 #include "code/vmreg.hpp"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
28
a61af66fc99e Initial load
duke
parents:
diff changeset
29
a61af66fc99e Initial load
duke
parents:
diff changeset
30
a61af66fc99e Initial load
duke
parents:
diff changeset
31 void VMRegImpl::set_regName() {
a61af66fc99e Initial load
duke
parents:
diff changeset
32 Register reg = ::as_Register(0);
a61af66fc99e Initial load
duke
parents:
diff changeset
33 int i;
a61af66fc99e Initial load
duke
parents:
diff changeset
34 for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
35 regName[i++] = reg->name();
a61af66fc99e Initial load
duke
parents:
diff changeset
36 #ifdef AMD64
a61af66fc99e Initial load
duke
parents:
diff changeset
37 regName[i++] = reg->name();
a61af66fc99e Initial load
duke
parents:
diff changeset
38 #endif // AMD64
a61af66fc99e Initial load
duke
parents:
diff changeset
39 reg = reg->successor();
a61af66fc99e Initial load
duke
parents:
diff changeset
40 }
a61af66fc99e Initial load
duke
parents:
diff changeset
41
a61af66fc99e Initial load
duke
parents:
diff changeset
42 FloatRegister freg = ::as_FloatRegister(0);
a61af66fc99e Initial load
duke
parents:
diff changeset
43 for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
44 regName[i++] = freg->name();
a61af66fc99e Initial load
duke
parents:
diff changeset
45 regName[i++] = freg->name();
a61af66fc99e Initial load
duke
parents:
diff changeset
46 freg = freg->successor();
a61af66fc99e Initial load
duke
parents:
diff changeset
47 }
a61af66fc99e Initial load
duke
parents:
diff changeset
48
a61af66fc99e Initial load
duke
parents:
diff changeset
49 XMMRegister xreg = ::as_XMMRegister(0);
a61af66fc99e Initial load
duke
parents:
diff changeset
50 for ( ; i < ConcreteRegisterImpl::max_xmm ; ) {
6179
8c92982cbbc4 7119644: Increase superword's vector size up to 256 bits
kvn
parents: 1972
diff changeset
51 for (int j = 0 ; j < 8 ; j++) {
8c92982cbbc4 7119644: Increase superword's vector size up to 256 bits
kvn
parents: 1972
diff changeset
52 regName[i++] = xreg->name();
8c92982cbbc4 7119644: Increase superword's vector size up to 256 bits
kvn
parents: 1972
diff changeset
53 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
54 xreg = xreg->successor();
a61af66fc99e Initial load
duke
parents:
diff changeset
55 }
a61af66fc99e Initial load
duke
parents:
diff changeset
56 for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
57 regName[i] = "NON-GPR-FPR-XMM";
a61af66fc99e Initial load
duke
parents:
diff changeset
58 }
a61af66fc99e Initial load
duke
parents:
diff changeset
59 }