Support older IAR versions

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-10-25 15:07:35 +01:00
parent f842868dd9
commit d1c4fb07ee

View file

@ -346,8 +346,11 @@ static inline void mbedtls_xor_no_simd(unsigned char *r,
#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(__IAR_SYSTEMS_ICC__) && defined(__VER__)
/* IAR does support __attribute__((unused)), but only if the -e flag (extended language support)
* is given; the pragma always works.
* Unfortunately the pragma affects the rest of the file where it is used, but this is harmless. */
# if (__VER__ >= 8010000) // IAR 8.1 or later
* Unfortunately the pragma affects the rest of the file where it is used, but this is harmless.
* Check for version 5.2 or later - this pragma may be supported by earlier versions, but I wasn't
* able to find documentation).
*/
# if (__VER__ >= 5020000)
# define MBEDTLS_MAYBE_UNUSED _Pragma("diag_suppress=Pe177")
# endif
#endif