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compiler-gcc.h: Introduce __optimize function attribute

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commit df5d45aa08f848b79caf395211b222790534ccc7 upstream.

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

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2018-02-01 11:21:58 +01:00 • committed by Greg Kroah-Hartman
parent 7b559f7f08
commit 3740b9f09a
2 changed files with 8 additions and 0 deletions
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4
include/linux/compiler.h
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@ -469,6 +469,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
# define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
#endif
#ifndef __optimize
# define __optimize(level)
#endif
/* Compile time object size, -1 for unknown */
#ifndef __compiletime_object_size
# define __compiletime_object_size(obj) -1