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- #ifndef _TOOLS_LINUX_ASM_X86_RMWcc
- #define _TOOLS_LINUX_ASM_X86_RMWcc
- #ifdef CC_HAVE_ASM_GOTO
- #define __GEN_RMWcc(fullop, var, cc, ...) \
- do { \
- asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \
- : : "m" (var), ## __VA_ARGS__ \
- : "memory" : cc_label); \
- return 0; \
- cc_label: \
- return 1; \
- } while (0)
- #define GEN_UNARY_RMWcc(op, var, arg0, cc) \
- __GEN_RMWcc(op " " arg0, var, cc)
- #define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
- __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val))
- #else /* !CC_HAVE_ASM_GOTO */
- #define __GEN_RMWcc(fullop, var, cc, ...) \
- do { \
- char c; \
- asm volatile (fullop "; set" cc " %1" \
- : "+m" (var), "=qm" (c) \
- : __VA_ARGS__ : "memory"); \
- return c != 0; \
- } while (0)
- #define GEN_UNARY_RMWcc(op, var, arg0, cc) \
- __GEN_RMWcc(op " " arg0, var, cc)
- #define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
- __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val))
- #endif /* CC_HAVE_ASM_GOTO */
- #endif /* _TOOLS_LINUX_ASM_X86_RMWcc */
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