diff options
Diffstat (limited to 'arch/xtensa/lib/memcopy.S')
| -rw-r--r-- | arch/xtensa/lib/memcopy.S | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S index 582d817979ed..f60760396cee 100644 --- a/arch/xtensa/lib/memcopy.S +++ b/arch/xtensa/lib/memcopy.S @@ -273,21 +273,8 @@ WEAK(memcpy) abi_ret_default ENDPROC(__memcpy) - -/* - * void bcopy(const void *src, void *dest, size_t n); - */ - -ENTRY(bcopy) - - abi_entry_default - # a2=src, a3=dst, a4=len - mov a5, a3 - mov a3, a2 - mov a2, a5 - j .Lmovecommon # go to common code for memmove+bcopy - -ENDPROC(bcopy) +EXPORT_SYMBOL(__memcpy) +EXPORT_SYMBOL(memcpy) /* * void *memmove(void *dst, const void *src, size_t len); @@ -402,13 +389,13 @@ WEAK(memmove) */ # copy 16 bytes per iteration for word-aligned dst and word-aligned src #if XCHAL_HAVE_LOOPS - loopnez a7, .backLoop1done + loopnez a7, .LbackLoop1done #else /* !XCHAL_HAVE_LOOPS */ - beqz a7, .backLoop1done + beqz a7, .LbackLoop1done slli a8, a7, 4 sub a8, a3, a8 # a8 = start of first 16B source chunk #endif /* !XCHAL_HAVE_LOOPS */ -.backLoop1: +.LbackLoop1: addi a3, a3, -16 l32i a7, a3, 12 l32i a6, a3, 8 @@ -420,9 +407,9 @@ WEAK(memmove) s32i a7, a5, 4 s32i a6, a5, 0 #if !XCHAL_HAVE_LOOPS - bne a3, a8, .backLoop1 # continue loop if a3:src != a8:src_start + bne a3, a8, .LbackLoop1 # continue loop if a3:src != a8:src_start #endif /* !XCHAL_HAVE_LOOPS */ -.backLoop1done: +.LbackLoop1done: bbci.l a4, 3, .Lback2 # copy 8 bytes addi a3, a3, -8 @@ -479,13 +466,13 @@ WEAK(memmove) #endif l32i a6, a3, 0 # load first word #if XCHAL_HAVE_LOOPS - loopnez a7, .backLoop2done + loopnez a7, .LbackLoop2done #else /* !XCHAL_HAVE_LOOPS */ - beqz a7, .backLoop2done + beqz a7, .LbackLoop2done slli a10, a7, 4 sub a10, a3, a10 # a10 = start of first 16B source chunk #endif /* !XCHAL_HAVE_LOOPS */ -.backLoop2: +.LbackLoop2: addi a3, a3, -16 l32i a7, a3, 12 l32i a8, a3, 8 @@ -501,9 +488,9 @@ WEAK(memmove) __src_b a9, a6, a9 s32i a9, a5, 0 #if !XCHAL_HAVE_LOOPS - bne a3, a10, .backLoop2 # continue loop if a3:src != a10:src_start + bne a3, a10, .LbackLoop2 # continue loop if a3:src != a10:src_start #endif /* !XCHAL_HAVE_LOOPS */ -.backLoop2done: +.LbackLoop2done: bbci.l a4, 3, .Lback12 # copy 8 bytes addi a3, a3, -8 @@ -551,3 +538,5 @@ WEAK(memmove) abi_ret_default ENDPROC(__memmove) +EXPORT_SYMBOL(__memmove) +EXPORT_SYMBOL(memmove) |
