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Only enable gcc -Os fix if we have AES hw support

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-06-16 14:50:33 +01:00
parent 73b0c0b051
commit b2814bd089
1 changed files with 3 additions and 1 deletions
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4
library/aes.c
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@ -1148,9 +1148,11 @@ static inline void mbedtls_gf128mul_x_ble(unsigned char r[16],
* AES-XTS buffer encryption/decryption
*
* Use of MBEDTLS_OPTIMIZE_FOR_PERFORMANCE here and for mbedtls_gf128mul_x_ble()
* is a 3x performance improvement for gcc -Os!
* is a 3x performance improvement for gcc -Os, if we have hardware AES support.
*/
#if defined(MBEDTLS_AESCE_C) || defined(MBEDTLS_AESNI_C)
MBEDTLS_OPTIMIZE_FOR_PERFORMANCE
#endif
int mbedtls_aes_crypt_xts(mbedtls_aes_xts_context *ctx,
int mode,
size_t length,