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crypto: sha3-generic - Use __optimize to support old compilers

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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: 83dee2ce1a ("crypto: sha3-generic - rewrite KECCAK transform to help the compiler optimize")
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>
This commit is contained in:
Geert Uytterhoeven 2018-02-01 11:22:00 +01:00 committed by Herbert Xu
parent d9afaaa4ff
commit ba916b6a03
1 changed files with 1 additions and 1 deletions
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crypto/sha3_generic.c
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@ -152,7 +152,7 @@ static SHA3_INLINE void keccakf_round(u64 st[25])
st[24] ^= bc[ 4];
}
static void __attribute__((__optimize__("O3"))) keccakf(u64 st[25])
static void __optimize("O3") keccakf(u64 st[25])
{
int round;