commit e1e434af12e801931abaa7dac03915ee4c2d9b15
author Christopher Ferris <cferris@google.com> Mon Jul 06 12:03:40 2015 -0700
committer Christopher Ferris <cferris@google.com> Wed Jul 08 11:20:27 2015 -0700
tree c86b768271f8dadba5251d0f8c0408f7c90d4a92
parent 77455f85ab46bed6dc5f7246b474ede44ae9ede2

Replace bx lr with update of pc from the stack.

When there is arm assembler of this format:

ldmxx sp!, {..., lr} or pop {..., lr}
bx lr

It can be replaced with:

ldmxx sp!, {..., pc} or pop {..., pc}

Change-Id: Ic27048c52f90ac4360ad525daf0361a830dc22a3

libc/arch-arm/krait/bionic/memcpy_base.S

diff --git a/libc/arch-arm/krait/bionic/memcpy_base.S b/libc/arch-arm/krait/bionic/memcpy_base.S
index 035dcf1..6c098ac 100644
--- a/libc/arch-arm/krait/bionic/memcpy_base.S
+++ b/libc/arch-arm/krait/bionic/memcpy_base.S
@@ -118,6 +118,5 @@
         strbcs      ip, [r0], #1
         strbcs      lr, [r0], #1
 
-        ldmfd       sp!, {r0, lr}
-        bx          lr
+        ldmfd       sp!, {r0, pc}
 END(MEMCPY_BASE)