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author"Steven J. Hill" <sjhill@realitydiluted.com>2006-02-25 04:03:33 +0000
committer"Steven J. Hill" <sjhill@realitydiluted.com>2006-02-25 04:03:33 +0000
commitcb6a88484ce0b5ffba2fe98a40e2d51f4af92eb8 (patch)
tree520f8e8d113184cfa7954ebd274564b8c255fa9a /libc/string/arm/_memcpy.S
parente4461be66e2655058aef358b00050bc70ac72861 (diff)
downloaduClibc-alpine-cb6a88484ce0b5ffba2fe98a40e2d51f4af92eb8.tar.bz2
uClibc-alpine-cb6a88484ce0b5ffba2fe98a40e2d51f4af92eb8.tar.xz
Merge from trunk. Going pretty good so far. Kind of. Okay, not really.
Diffstat (limited to 'libc/string/arm/_memcpy.S')
-rw-r--r--libc/string/arm/_memcpy.S19
1 files changed, 14 insertions, 5 deletions
diff --git a/libc/string/arm/_memcpy.S b/libc/string/arm/_memcpy.S
index e8d78af23..3704f96b5 100644
--- a/libc/string/arm/_memcpy.S
+++ b/libc/string/arm/_memcpy.S
@@ -37,7 +37,7 @@
* by Erik Andersen <andersen@codepoet.org>
*/
-
+#include <features.h>
#include <endian.h>
/*
@@ -83,8 +83,11 @@ _memcpy:
bcc .Lmemcpy_backwards
moveq r0, #0 /* Quick abort for len=0 */
- moveq pc, lr
-
+#if defined(__USE_BX__)
+ bxeq lr
+#else
+ moveq pc, lr
+#endif
stmdb sp!, {r0, lr} /* memcpy() returns dest addr */
subs r2, r2, #4
blt .Lmemcpy_fl4 /* less than 4 bytes */
@@ -389,8 +392,11 @@ _memcpy:
.Lmemcpy_bl4:
/* less than 4 bytes to go */
adds r2, r2, #4
+#if defined(__USE_BX__)
+ bxeq lr
+#else
moveq pc, lr /* done */
-
+#endif
/* copy the crud byte at a time */
cmp r2, #2
ldrb r3, [r1, #-1]!
@@ -399,8 +405,11 @@ _memcpy:
strgeb r3, [r0, #-1]!
ldrgtb r3, [r1, #-1]!
strgtb r3, [r0, #-1]!
+#if defined(__USE_BX__)
+ bx lr
+#else
mov pc, lr
-
+#endif
/* erg - unaligned destination */
.Lmemcpy_bdestul:
cmp r12, #2