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Commit df5d45aa authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Herbert Xu
Browse files

compiler-gcc.h: Introduce __optimize function attribute 



Create a new function attribute __optimize, which allows to specify an
optimization level on a per-function basis.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Acked-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4767b9ad

include/linux/compiler-gcc.h

+4 −0
Original line number Diff line number Diff line
@@ -196,6 +196,10 @@ 
#endif /* __CHECKER__ */

#endif /* GCC_VERSION >= 40300 */



#if GCC_VERSION >= 40400

#define __optimize(level)	__attribute__((__optimize__(level)))

#endif /* GCC_VERSION >= 40400 */



#if GCC_VERSION >= 40500



#ifndef __CHECKER__

include/linux/compiler.h

+4 −0
Original line number Diff line number Diff line
@@ -271,6 +271,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s 


#endif /* __ASSEMBLY__ */



#ifndef __optimize

# define __optimize(level)

#endif



/* Compile time object size, -1 for unknown */

#ifndef __compiletime_object_size

# define __compiletime_object_size(obj) -1