/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_RMWcc #define _ASM_X86_RMWcc #include #define __CLOBBERS_MEM(clb...) "memory", ## clb #define __GEN_RMWcc(fullop, _var, cc, clobbers, ...) \ ({ \ bool c; \ asm_inline volatile (fullop \ : [var] "+m" (_var), "=@cc" #cc (c) \ : __VA_ARGS__ : clobbers); \ c; \ }) #define GEN_UNARY_RMWcc_4(op, var, cc, arg0) \ __GEN_RMWcc(op " " arg0, var, cc, __CLOBBERS_MEM()) #define GEN_UNARY_RMWcc_3(op, var, cc) \ GEN_UNARY_RMWcc_4(op, var, cc, "%[var]") #define GEN_UNARY_RMWcc(X...) CONCATENATE(GEN_UNARY_RMWcc_, COUNT_ARGS(X))(X) #define GEN_BINARY_RMWcc_6(op, var, cc, vcon, _val, arg0) \ __GEN_RMWcc(op " %[val], " arg0, var, cc, \ __CLOBBERS_MEM(), [val] vcon (_val)) #define GEN_BINARY_RMWcc_5(op, var, cc, vcon, val) \ GEN_BINARY_RMWcc_6(op, var, cc, vcon, val, "%[var]") #define GEN_BINARY_RMWcc(X...) CONCATENATE(GEN_BINARY_RMWcc_, COUNT_ARGS(X))(X) #define GEN_UNARY_SUFFIXED_RMWcc(op, suffix, var, cc, clobbers...) \ __GEN_RMWcc(op " %[var]\n\t" suffix, var, cc, \ __CLOBBERS_MEM(clobbers)) #define GEN_BINARY_SUFFIXED_RMWcc(op, suffix, var, cc, vcon, _val, clobbers...)\ __GEN_RMWcc(op " %[val], %[var]\n\t" suffix, var, cc, \ __CLOBBERS_MEM(clobbers), [val] vcon (_val)) #endif /* _ASM_X86_RMWcc */