Tue, 02 Sep 2014 12:48:45 -0700
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland
1 /*
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. 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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
25 #include "precompiled.hpp"
26 #include "register_x86.hpp"
28 #ifndef AMD64
29 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers;
30 #else
31 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers << 1;
32 #endif // AMD64
35 const int ConcreteRegisterImpl::max_fpr = ConcreteRegisterImpl::max_gpr +
36 2 * FloatRegisterImpl::number_of_registers;
37 const int ConcreteRegisterImpl::max_xmm = ConcreteRegisterImpl::max_fpr +
38 8 * XMMRegisterImpl::number_of_registers;
39 const char* RegisterImpl::name() const {
40 const char* names[number_of_registers] = {
41 #ifndef AMD64
42 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
43 #else
44 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
45 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
46 #endif // AMD64
47 };
48 return is_valid() ? names[encoding()] : "noreg";
49 }
51 const char* FloatRegisterImpl::name() const {
52 const char* names[number_of_registers] = {
53 "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7"
54 };
55 return is_valid() ? names[encoding()] : "noreg";
56 }
58 const char* XMMRegisterImpl::name() const {
59 const char* names[number_of_registers] = {
60 "xmm0","xmm1","xmm2","xmm3","xmm4","xmm5","xmm6","xmm7"
61 #ifdef AMD64
62 ,"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
63 #endif // AMD64
64 };
65 return is_valid() ? names[encoding()] : "xnoreg";
66 }