[arm] Use single instruction tail call sequence.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/107813003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18426 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/macro-assembler-arm.cc

@@ -59,8 +59,8 @@ void MacroAssembler::Jump(Register target, Condition cond) {
 
 void MacroAssembler::Jump(intptr_t target, RelocInfo::Mode rmode,
                           Condition cond) {
-  mov(ip, Operand(target, rmode));
-  bx(ip, cond);
+  ASSERT(RelocInfo::IsCodeTarget(rmode));
+  mov(pc, Operand(target, rmode), LeaveCC, cond);
 }