copy_solaris_x86.inline.hpp revision 1879:f95d63e2154a
11541Srgrimes/* 21541Srgrimes * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 31541Srgrimes * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 41541Srgrimes * 51541Srgrimes * This code is free software; you can redistribute it and/or modify it 61541Srgrimes * under the terms of the GNU General Public License version 2 only, as 71541Srgrimes * published by the Free Software Foundation. 81541Srgrimes * 91541Srgrimes * This code is distributed in the hope that it will be useful, but WITHOUT 101541Srgrimes * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 111541Srgrimes * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 121541Srgrimes * version 2 for more details (a copy is included in the LICENSE file that 131541Srgrimes * accompanied this code). 141541Srgrimes * 151541Srgrimes * You should have received a copy of the GNU General Public License version 161541Srgrimes * 2 along with this work; if not, write to the Free Software Foundation, 171541Srgrimes * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 181541Srgrimes * 191541Srgrimes * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 201541Srgrimes * or visit www.oracle.com if you need additional information or have any 211541Srgrimes * questions. 221541Srgrimes * 231541Srgrimes */ 241541Srgrimes 251541Srgrimes#ifndef OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP 261541Srgrimes#define OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP 271541Srgrimes 281541Srgrimesstatic void pd_conjoint_words(HeapWord* from, HeapWord* to, size_t count) { 291541Srgrimes (void)memmove(to, from, count * HeapWordSize); 301541Srgrimes} 311541Srgrimes 321541Srgrimesstatic void pd_disjoint_words(HeapWord* from, HeapWord* to, size_t count) { 331541Srgrimes#ifndef AMD64 341541Srgrimes (void)memcpy(to, from, count * HeapWordSize); 351541Srgrimes#else 361541Srgrimes switch (count) { 371541Srgrimes case 8: to[7] = from[7]; 381541Srgrimes case 7: to[6] = from[6]; 3936127Sbde case 6: to[5] = from[5]; 401541Srgrimes case 5: to[4] = from[4]; 411541Srgrimes case 4: to[3] = from[3]; 421541Srgrimes case 3: to[2] = from[2]; 431541Srgrimes case 2: to[1] = from[1]; 4433392Sphk case 1: to[0] = from[0]; 451541Srgrimes case 0: break; 461541Srgrimes default: 4733392Sphk (void)memcpy(to, from, count * HeapWordSize); 4833392Sphk break; 4933392Sphk } 5033392Sphk#endif // AMD64 5133392Sphk} 5233392Sphk 5329680Sgibbsstatic void pd_disjoint_words_atomic(HeapWord* from, HeapWord* to, size_t count) { 5429680Sgibbs switch (count) { 5529680Sgibbs case 8: to[7] = from[7]; 5629680Sgibbs case 7: to[6] = from[6]; 5733392Sphk case 6: to[5] = from[5]; 582112Swollman case 5: to[4] = from[4]; 5929680Sgibbs case 4: to[3] = from[3]; 601541Srgrimes case 3: to[2] = from[2]; 611541Srgrimes case 2: to[1] = from[1]; 6229680Sgibbs case 1: to[0] = from[0]; 6329680Sgibbs case 0: break; 6429680Sgibbs default: while (count-- > 0) { 6529680Sgibbs *to++ = *from++; 6629680Sgibbs } 6729680Sgibbs break; 6829680Sgibbs } 6929680Sgibbs} 7029680Sgibbs 7129680Sgibbsstatic void pd_aligned_conjoint_words(HeapWord* from, HeapWord* to, size_t count) { 7232388Sphk (void)memmove(to, from, count * HeapWordSize); 7329680Sgibbs} 741541Srgrimes 751541Srgrimesstatic void pd_aligned_disjoint_words(HeapWord* from, HeapWord* to, size_t count) { 761541Srgrimes pd_disjoint_words(from, to, count); 771541Srgrimes} 7832391Sphk 791541Srgrimesstatic void pd_conjoint_bytes(void* from, void* to, size_t count) { 801541Srgrimes#ifdef AMD64 8129805Sgibbs (void)memmove(to, from, count); 821541Srgrimes#else 8329805Sgibbs _Copy_conjoint_bytes(from, to, count); 8433392Sphk#endif // AMD64 851541Srgrimes} 8633392Sphk 8733392Sphkstatic void pd_conjoint_bytes_atomic(void* from, void* to, size_t count) { 8833392Sphk pd_conjoint_bytes(from, to, count); 8929680Sgibbs} 9029680Sgibbs 911541Srgrimesstatic void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) { 9229680Sgibbs _Copy_conjoint_jshorts_atomic(from, to, count); 9329805Sgibbs} 9429805Sgibbs 9529805Sgibbsstatic void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) { 9629805Sgibbs _Copy_conjoint_jints_atomic(from, to, count); 9729805Sgibbs} 9829805Sgibbs 9929805Sgibbsstatic void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) { 10029805Sgibbs // Guarantee use of fild/fistp or xmm regs via some asm code, because compilers won't. 10129680Sgibbs _Copy_conjoint_jlongs_atomic(from, to, count); 10229805Sgibbs} 10329680Sgibbs 10429680Sgibbsstatic void pd_conjoint_oops_atomic(oop* from, oop* to, size_t count) { 10529680Sgibbs#ifdef AMD64 10629680Sgibbs assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size"); 10729805Sgibbs _Copy_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count); 10829680Sgibbs#else 10929680Sgibbs _Copy_conjoint_jints_atomic((jint*)from, (jint*)to, count); 11029680Sgibbs#endif // AMD64 11129680Sgibbs} 11229680Sgibbs 11329680Sgibbsstatic void pd_arrayof_conjoint_bytes(HeapWord* from, HeapWord* to, size_t count) { 11429680Sgibbs _Copy_arrayof_conjoint_bytes(from, to, count); 11529680Sgibbs} 11629680Sgibbs 11729680Sgibbsstatic void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) { 11829805Sgibbs _Copy_arrayof_conjoint_jshorts(from, to, count); 11929680Sgibbs} 12029680Sgibbs 12129680Sgibbsstatic void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) { 12229680Sgibbs _Copy_arrayof_conjoint_jints(from, to, count); 12329680Sgibbs} 12429680Sgibbs 12529680Sgibbsstatic void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) { 12629680Sgibbs#ifdef AMD64 12729680Sgibbs _Copy_arrayof_conjoint_jlongs(from, to, count); 12829680Sgibbs#else 12929680Sgibbs pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count); 1301541Srgrimes#endif // AMD64 13129680Sgibbs} 1321541Srgrimes 1331541Srgrimesstatic void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) { 1341541Srgrimes#ifdef AMD64 1351541Srgrimes assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size"); 1361541Srgrimes _Copy_arrayof_conjoint_jlongs(from, to, count); 1371541Srgrimes#else 1381541Srgrimes assert(BytesPerInt == BytesPerOop, "jints and oops must be the same size"); 1391541Srgrimes _Copy_arrayof_conjoint_jints(from, to, count); 1401541Srgrimes#endif // AMD64 1411541Srgrimes} 14229680Sgibbs 14329680Sgibbs#endif // OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP 14429680Sgibbs