commit 8a0f0ed5e7c2bc5665583db646876808cc3c2bc7
author Haibo Huang <hhb@google.com> Thu May 24 20:39:18 2018 -0700
committer Haibo Huang <hhb@google.com> Mon Jun 11 18:12:45 2018 +0000
tree e37fb7e4c3706931a9bfde2d865b4d90589610f6
parent 42596b7bf0652e44edff0370f75e1d5387c5cc7b

Make memcpy memmove

Bug: http://b/63992911
Test: Change BoardConfig.mk and compile for each variant
Change-Id: Ia0cc68d8e90e3316ddb2e9ff1555a009b6a0c5be

libc/arch-x86/atom/string/ssse3-memcpy-atom.S

diff --git a/libc/arch-x86/atom/string/ssse3-memcpy-atom.S b/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
index 4b2fb8e..2b3b7a5 100644
--- a/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
@@ -34,6 +34,10 @@
 # define MEMCPY	memcpy
 #endif
 
+#ifndef USE_AS_MEMMOVE
+# define USE_AS_MEMMOVE
+#endif
+
 #ifndef L
 # define L(label)	.L##label
 #endif
@@ -67,6 +71,12 @@
 	cfi_startproc
 #endif
 
+#ifndef ALIAS_SYMBOL
+# define ALIAS_SYMBOL(alias, original) \
+	.globl alias; \
+	.equ alias, original
+#endif
+
 #ifndef END
 # define END(name)		\
 	cfi_endproc;		\
@@ -3122,3 +3132,5 @@
 #endif
 
 END (MEMCPY)
+
+ALIAS_SYMBOL(memmove, MEMCPY)