1.1 --- a/src/share/vm/utilities/copy.hpp Mon Sep 08 12:35:01 2014 -0700
1.2 +++ b/src/share/vm/utilities/copy.hpp Tue Aug 08 15:57:29 2017 +0800
1.3 @@ -22,6 +22,12 @@
1.4 *
1.5 */
1.6
1.7 +/*
1.8 + * This file has been modified by Loongson Technology in 2015. These
1.9 + * modifications are Copyright (c) 2015 Loongson Technology, and are made
1.10 + * available on the same license terms set forth above.
1.11 + */
1.12 +
1.13 #ifndef SHARE_VM_UTILITIES_COPY_HPP
1.14 #define SHARE_VM_UTILITIES_COPY_HPP
1.15
1.16 @@ -321,6 +327,27 @@
1.17 #endif
1.18 }
1.19
1.20 +
1.21 + // SAPJVM AS 2011-09-20. Template for atomic copy.
1.22 + template <class T> static void copy_conjoint_atomic(T* from, T* to, size_t count)
1.23 + {
1.24 + if (from > to) {
1.25 + while (count-- > 0) {
1.26 + // Copy forwards
1.27 + *to++ = *from++;
1.28 + }
1.29 + } else {
1.30 + from += count - 1;
1.31 + to += count - 1;
1.32 + while (count-- > 0) {
1.33 + // Copy backwards
1.34 + *to-- = *from--;
1.35 + }
1.36 + }
1.37 + }
1.38 +
1.39 +
1.40 +
1.41 // Platform dependent implementations of the above methods.
1.42 #ifdef TARGET_ARCH_x86
1.43 # include "copy_x86.hpp"
1.44 @@ -337,6 +364,10 @@
1.45 #ifdef TARGET_ARCH_ppc
1.46 # include "copy_ppc.hpp"
1.47 #endif
1.48 +#ifdef TARGET_ARCH_mips
1.49 +# include "copy_mips.hpp"
1.50 +#endif
1.51 +
1.52
1.53 };
1.54
