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Warn if using runtime detection and no Neon

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-10-05 09:58:33 +01:00
parent cd65400c48
commit 3ba9ce3c1d
1 changed files with 14 additions and 7 deletions
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21
library/sha256.c
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@ -61,17 +61,24 @@
#if defined(MBEDTLS_ARCH_IS_ARMV8)
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) || \
defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
/* *INDENT-OFF* */
# ifdef __ARM_NEON
# include <arm_neon.h>
# else
# error "Target does not support NEON instructions"
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) || \
defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
# ifdef __ARM_NEON
# include <arm_neon.h>
# else
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT)
# warning "Target does not support NEON instructions"
# undef MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
# else
# error "Target does not support NEON instructions"
# endif
# endif
# endif
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) || \
defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
# if !defined(__ARM_FEATURE_CRYPTO) || defined(MBEDTLS_ENABLE_ARM_CRYPTO_EXTENSIONS_COMPILER_FLAG)
# if defined(__ARMCOMPILER_VERSION)
# if __ARMCOMPILER_VERSION <= 6090000