[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sysdeps/i386/memcopy.h b/ap/libc/glibc/glibc-2.22/sysdeps/i386/memcopy.h
new file mode 100644
index 0000000..adc650f
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sysdeps/i386/memcopy.h
@@ -0,0 +1,92 @@
+/* memcopy.h -- definitions for memory copy functions. i386 version.
+ Copyright (C) 1991-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Torbjorn Granlund (tege@sics.se).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdeps/generic/memcopy.h>
+
+#undef OP_T_THRES
+#define OP_T_THRES 8
+
+#undef BYTE_COPY_FWD
+#define BYTE_COPY_FWD(dst_bp, src_bp, nbytes) \
+ do { \
+ int __d0; \
+ asm volatile(/* Clear the direction flag, so copying goes forward. */ \
+ "cld\n" \
+ /* Copy bytes. */ \
+ "rep\n" \
+ "movsb" : \
+ "=D" (dst_bp), "=S" (src_bp), "=c" (__d0) : \
+ "0" (dst_bp), "1" (src_bp), "2" (nbytes) : \
+ "memory"); \
+ } while (0)
+
+#undef BYTE_COPY_BWD
+#define BYTE_COPY_BWD(dst_ep, src_ep, nbytes) \
+ do \
+ { \
+ int __d0; \
+ asm volatile(/* Set the direction flag, so copying goes backwards. */ \
+ "std\n" \
+ /* Copy bytes. */ \
+ "rep\n" \
+ "movsb\n" \
+ /* Clear the dir flag. Convention says it should be 0. */ \
+ "cld" : \
+ "=D" (dst_ep), "=S" (src_ep), "=c" (__d0) : \
+ "0" (dst_ep - 1), "1" (src_ep - 1), "2" (nbytes) : \
+ "memory"); \
+ dst_ep += 1; \
+ src_ep += 1; \
+ } while (0)
+
+#undef WORD_COPY_FWD
+#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \
+ do \
+ { \
+ int __d0; \
+ asm volatile(/* Clear the direction flag, so copying goes forward. */ \
+ "cld\n" \
+ /* Copy longwords. */ \
+ "rep\n" \
+ "movsl" : \
+ "=D" (dst_bp), "=S" (src_bp), "=c" (__d0) : \
+ "0" (dst_bp), "1" (src_bp), "2" ((nbytes) / 4) : \
+ "memory"); \
+ (nbytes_left) = (nbytes) % 4; \
+ } while (0)
+
+#undef WORD_COPY_BWD
+#define WORD_COPY_BWD(dst_ep, src_ep, nbytes_left, nbytes) \
+ do \
+ { \
+ int __d0; \
+ asm volatile(/* Set the direction flag, so copying goes backwards. */ \
+ "std\n" \
+ /* Copy longwords. */ \
+ "rep\n" \
+ "movsl\n" \
+ /* Clear the dir flag. Convention says it should be 0. */ \
+ "cld" : \
+ "=D" (dst_ep), "=S" (src_ep), "=c" (__d0) : \
+ "0" (dst_ep - 4), "1" (src_ep - 4), "2" ((nbytes) / 4) : \
+ "memory"); \
+ dst_ep += 4; \
+ src_ep += 4; \
+ (nbytes_left) = (nbytes) % 4; \
+ } while (0)