/*===-- sync_fetch_and_sub_4.S - ------------------------------------------===// * * The LLVM Compiler Infrastructure * * This file is dual licensed under the MIT and the University of Illinois Open * Source Licenses. See LICENSE.TXT for details. * *===----------------------------------------------------------------------===// * * This file implements the __sync_fetch_and_sub_4 function for the ARM * architecture. * *===----------------------------------------------------------------------===*/ #include "sync-ops.h" /* "subs" is 2 bytes shorter than "sub". */ #define sub_4(rD, rN, rM) sub rD, rN, rM SYNC_OP_4(sub_4) NO_EXEC_STACK_DIRECTIVE