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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-06-21 13:39:30 +01:00
parent 140fa15a7f
commit c54f25e26c
1 changed files with 4 additions and 2 deletions
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6
library/constant_time.c
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@ -63,8 +63,10 @@
* only used here.
*/
#if defined(MBEDTLS_EFFICIENT_UNALIGNED_ACCESS) && defined(MBEDTLS_HAVE_ASM)
#if ((defined(__arm__) || defined(__thumb__) || defined(__thumb2__)) && (UINTPTR_MAX == 0xfffffffful)) || \
(defined(__aarch64__) && ((UINTPTR_MAX == 0xffffffffull) || (UINTPTR_MAX == 0xffffffffffffffffull)))
#if ((defined(__arm__) || defined(__thumb__) || defined(__thumb2__)) && \
(UINTPTR_MAX == 0xfffffffful)) || \
(defined(__aarch64__) && ((UINTPTR_MAX == 0xffffffffull) || \
(UINTPTR_MAX == 0xffffffffffffffffull)))
/* We check pointer sizes to avoid issues with them not matching register size requirements */
#define MBEDTLS_EFFICIENT_UNALIGNED_VOLATILE_ACCESS
#endif