Don't set %rcx twice before "rep movsb"

	* sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY):
	Don't set %rcx twice before "rep movsb".

diff --git a/ChangeLog b/ChangeLog
index 522bc4fbc83993ec644ea7d36ad49280a30d3294..54454a54bee40cd6c8a8173141d3f9fce044dd74 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY):
+       Don't set %rcx twice before "rep movsb".
+
 2016-03-22  H.J. Lu  <hongjiu.lu@intel.com>
 
        [BZ #19583]

diff --git a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
index 74fed186e9bfc6be07b45f7da3483ae0e459ff22..b615d063c073ba51b90095baf449db3da31c5366 100644 (file)
--- a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
+++ b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
@@ -234,7 +234,6 @@ L(gobble_data_movsb):
        cmp     %rcx, %rdx
        jae     L(gobble_big_data_fwd)
        mov     %rdx, %rcx
-       mov     %rdx, %rcx
        rep     movsb
        ret