arm64: record the use of x8 as of vex r2938.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14389 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/docs/internals/register-uses.txt b/docs/internals/register-uses.txt
index 4835d23..a57192a 100644
--- a/docs/internals/register-uses.txt
+++ b/docs/internals/register-uses.txt
@@ -143,7 +143,7 @@
r0 int#0 ret#0 (??)
r1 int#1 ret#1 (??)
r2-7 int#2..7
-r8 "Indirect res loc reg"
+r8 "Indirect res loc reg" ProfInc scratch
r9 "Temporary regs" chaining scratch
r10-15 "Temporary regs" avail
r16(IP0)