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Add comments about gcc-5

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2023-02-16 15:16:20 +08:00
parent 2f2c04956d
commit 8ae6a0193c
1 changed files with 4 additions and 1 deletions
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5
library/sha256.c
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@ -54,7 +54,10 @@
# pragma clang attribute push (__attribute__((target("crypto"))), apply_to=function) # pragma clang attribute push (__attribute__((target("crypto"))), apply_to=function)
# define MBEDTLS_POP_TARGET_PRAGMA # define MBEDTLS_POP_TARGET_PRAGMA
# elif defined(__GNUC__) # elif defined(__GNUC__)
# if __GNUC__ < 6 /* TODO: check sha256 compatible for GCC */ /* FIXME: GCC-5 annouce crypto extension, but some intrinsic are missed.
* Known miss intrinsic can be workaround.
*/
# if __GNUC__ < 6
# error "A more recent GCC is required for MBEDTLS_SHA256_USE_A64_CRYPTO_*" # error "A more recent GCC is required for MBEDTLS_SHA256_USE_A64_CRYPTO_*"
# else # else
# pragma GCC push_options # pragma GCC push_options