On 1 February 2018 at 10:22, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> With gcc-4.1.2:
>
> crypto/sha3_generic.c:39: warning: ‘__optimize__’ attribute directive ignored
>
> Use the newly introduced __optimize macro to fix this.
>
> Fixes: 83dee2ce1ae791c3 ("crypto: sha3-generic - rewrite KECCAK transform to help the compiler optimize")
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> crypto/sha3_generic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c
> index a965b9d8055983af..c409cd87fea5decd 100644
> --- a/crypto/sha3_generic.c
> +++ b/crypto/sha3_generic.c
> @@ -35,7 +35,7 @@ static const u64 keccakf_rndc[24] = {
>
> /* update the state with given number of rounds */
>
> -static void __attribute__((__optimize__("O3"))) keccakf(u64 st[25])
> +static void __optimize("O3") keccakf(u64 st[25])
> {
> u64 t[5], tt, bc[5];
> int round;
> --
> 2.7.4
>
