Thu, 03 Jan 2013 16:30:47 -0800
8005544: Use 256bit YMM registers in arraycopy stubs on x86
Summary: Use YMM registers in arraycopy and array_fill stubs.
Reviewed-by: roland, twisti
duke@435 | 1 | /* |
kvn@3882 | 2 | * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "register_x86.hpp" |
stefank@2314 | 27 | |
duke@435 | 28 | #ifndef AMD64 |
duke@435 | 29 | const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers; |
duke@435 | 30 | #else |
duke@435 | 31 | const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers << 1; |
duke@435 | 32 | #endif // AMD64 |
duke@435 | 33 | |
duke@435 | 34 | |
duke@435 | 35 | const int ConcreteRegisterImpl::max_fpr = ConcreteRegisterImpl::max_gpr + |
duke@435 | 36 | 2 * FloatRegisterImpl::number_of_registers; |
duke@435 | 37 | const int ConcreteRegisterImpl::max_xmm = ConcreteRegisterImpl::max_fpr + |
kvn@3882 | 38 | 8 * XMMRegisterImpl::number_of_registers; |
duke@435 | 39 | const char* RegisterImpl::name() const { |
duke@435 | 40 | const char* names[number_of_registers] = { |
duke@435 | 41 | #ifndef AMD64 |
duke@435 | 42 | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi" |
duke@435 | 43 | #else |
duke@435 | 44 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", |
duke@435 | 45 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" |
duke@435 | 46 | #endif // AMD64 |
duke@435 | 47 | }; |
duke@435 | 48 | return is_valid() ? names[encoding()] : "noreg"; |
duke@435 | 49 | } |
duke@435 | 50 | |
duke@435 | 51 | const char* FloatRegisterImpl::name() const { |
duke@435 | 52 | const char* names[number_of_registers] = { |
duke@435 | 53 | "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7" |
duke@435 | 54 | }; |
duke@435 | 55 | return is_valid() ? names[encoding()] : "noreg"; |
duke@435 | 56 | } |
duke@435 | 57 | |
duke@435 | 58 | const char* XMMRegisterImpl::name() const { |
duke@435 | 59 | const char* names[number_of_registers] = { |
duke@435 | 60 | "xmm0","xmm1","xmm2","xmm3","xmm4","xmm5","xmm6","xmm7" |
duke@435 | 61 | #ifdef AMD64 |
duke@435 | 62 | ,"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15" |
duke@435 | 63 | #endif // AMD64 |
duke@435 | 64 | }; |
duke@435 | 65 | return is_valid() ? names[encoding()] : "xnoreg"; |
duke@435 | 66 | } |