1 /*===-- sync_fetch_and_sub_4.S - ------------------------------------------===// 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 *===----------------------------------------------------------------------===// 9 * 10 * This file implements the __sync_fetch_and_sub_4 function for the ARM 11 * architecture. 12 * 13 *===----------------------------------------------------------------------===*/ 14 15 #include "sync-ops.h" 16 17 /* "subs" is 2 bytes shorter than "sub". */ 18 #define sub_4(rD, rN, rM) sub rD, rN, rM 19 20 SYNC_OP_4(sub_4) 21 22 NO_EXEC_STACK_DIRECTIVE 23 24
