tools/arch/x86/include/asm/rmwcc.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _TOOLS_LINUX_ASM_X86_RMWcc
   3 #define _TOOLS_LINUX_ASM_X86_RMWcc
   4
   5 #define __GEN_RMWcc(fullop, var, cc, ...)                               \
   6 do {                                                                    \
   7         asm goto (fullop "; j" cc " %l[cc_label]"               \
   8                         : : "m" (var), ## __VA_ARGS__                   \
   9                         : "memory" : cc_label);                         \
  10         return 0;                                                       \
  11 cc_label:                                                               \
  12         return 1;                                                       \
  13 } while (0)
  14
  15 #define GEN_UNARY_RMWcc(op, var, arg0, cc)                              \
  16         __GEN_RMWcc(op " " arg0, var, cc)
  17
  18 #define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc)                  \
  19         __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val))
  20
  21 #endif /* _TOOLS_LINUX_ASM_X86_RMWcc */