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x86/asm: replace custom COUNT_ARGS() & CONCATENATE() implementations

Replace custom implementation of the macros from args.h.

Link: https://lkml.kernel.org/r/20230718211147.18647-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: Daniel Latypov <dlatypov@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Gow <davidgow@google.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

authored by

Andy Shevchenko and committed by
Andrew Morton 15beb1b7 b229baa3

+3 -8
+3 -8
arch/x86/include/asm/rmwcc.h
··· 2 2 #ifndef _ASM_X86_RMWcc 3 3 #define _ASM_X86_RMWcc 4 4 5 - /* This counts to 12. Any more, it will return 13th argument. */ 6 - #define __RMWcc_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n 7 - #define RMWcc_ARGS(X...) __RMWcc_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) 8 - 9 - #define __RMWcc_CONCAT(a, b) a ## b 10 - #define RMWcc_CONCAT(a, b) __RMWcc_CONCAT(a, b) 5 + #include <linux/args.h> 11 6 12 7 #define __CLOBBERS_MEM(clb...) "memory", ## clb 13 8 ··· 43 48 #define GEN_UNARY_RMWcc_3(op, var, cc) \ 44 49 GEN_UNARY_RMWcc_4(op, var, cc, "%[var]") 45 50 46 - #define GEN_UNARY_RMWcc(X...) RMWcc_CONCAT(GEN_UNARY_RMWcc_, RMWcc_ARGS(X))(X) 51 + #define GEN_UNARY_RMWcc(X...) CONCATENATE(GEN_UNARY_RMWcc_, COUNT_ARGS(X))(X) 47 52 48 53 #define GEN_BINARY_RMWcc_6(op, var, cc, vcon, _val, arg0) \ 49 54 __GEN_RMWcc(op " %[val], " arg0, var, cc, \ ··· 52 57 #define GEN_BINARY_RMWcc_5(op, var, cc, vcon, val) \ 53 58 GEN_BINARY_RMWcc_6(op, var, cc, vcon, val, "%[var]") 54 59 55 - #define GEN_BINARY_RMWcc(X...) RMWcc_CONCAT(GEN_BINARY_RMWcc_, RMWcc_ARGS(X))(X) 60 + #define GEN_BINARY_RMWcc(X...) CONCATENATE(GEN_BINARY_RMWcc_, COUNT_ARGS(X))(X) 56 61 57 62 #define GEN_UNARY_SUFFIXED_RMWcc(op, suffix, var, cc, clobbers...) \ 58 63 __GEN_RMWcc(op " %[var]\n\t" suffix, var, cc, \