Remove an unnecessary instruction from arm64 __bionic_clone.

Change-Id: Ib0dd5079d10b3634901d561932259653945176ee
2014-05-21 16:29:55 -07:00 · 2014-05-21 16:29:55 -07:00 · f93f50d7ea
commit f93f50d7ea
parent 768051405e
1 changed files with 0 additions and 3 deletions
--- a/libc/arch-arm64/bionic/__bionic_clone.S
+++ b/libc/arch-arm64/bionic/__bionic_clone.S
@ -38,9 +38,6 @@ ENTRY(__bionic_clone)
    # Copy 'fn' and 'arg' onto the child stack.
    stp     x5, x6, [x1, #-16]

-    # Zero out the top 32 bits of 'flags'. (Is this necessary?)
-    uxtw    x0, w0
-
    # Make the system call.
    mov     x8, __NR_clone
    svc     #0