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Allow all.sh to override intrinsics vs asm selection

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-06-16 13:21:28 +01:00
parent 838dc46a7b
commit e07c670e47
1 changed files with 9 additions and 3 deletions
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12
library/aesni.h
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@ -59,9 +59,14 @@
#define MBEDTLS_AESNI_HAVE_INTRINSICS #define MBEDTLS_AESNI_HAVE_INTRINSICS
#endif #endif
/* Choose the implementation of AESNI, if one is available. */ /* Normally MBEDTLS_AESNI_HAVE_CODE is automatically set below. It may be
#undef MBEDTLS_AESNI_HAVE_CODE * set from all.sh to ensure coverage of both asm and intrinsics, in which
/* Favor the intrinsics-based implementation if it's available, for better * case we do not over-ride it. */
#if !defined(MBEDTLS_AESNI_HAVE_CODE)
/* Choose the implementation of AESNI, if one is available.
*
* Favor the intrinsics-based implementation if it's available, for better
* maintainability. * maintainability.
* Performance is about the same (see #7380). * Performance is about the same (see #7380).
* In the long run, we will likely remove the assembly implementation. */ * In the long run, we will likely remove the assembly implementation. */
@ -70,6 +75,7 @@
#elif defined(MBEDTLS_HAVE_X86_64) #elif defined(MBEDTLS_HAVE_X86_64)
#define MBEDTLS_AESNI_HAVE_CODE 1 // via assembly #define MBEDTLS_AESNI_HAVE_CODE 1 // via assembly
#endif #endif
#endif /* !defined(MBEDTLS_AESNI_HAVE_CODE) */
#if defined(MBEDTLS_AESNI_HAVE_CODE) #if defined(MBEDTLS_AESNI_HAVE_CODE)