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Add MBEDTLS_BSWAPxx intrinsics for IAR

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-12-05 12:16:48 +00:00
parent f3c04f3f47
commit 650674bb41
1 changed files with 10 additions and 0 deletions
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10
library/alignment.h
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@ -180,6 +180,16 @@ inline void mbedtls_put_unaligned_uint64(void *p, uint64_t x)
#define MBEDTLS_BSWAP32 __rev
#endif
/* Detect IAR built-in byteswap routine */
#if defined(__IAR_SYSTEMS_ICC__)
#if defined(__ARM_ACLE)
#include <arm_acle.h>
#define MBEDTLS_BSWAP16(x) ((uint16_t) __rev16((uint32_t) (x)))
#define MBEDTLS_BSWAP32 __rev
#define MBEDTLS_BSWAP64 __revll
#endif
#endif
/*
* Where compiler built-ins are not present, fall back to C code that the
* compiler may be able to detect and transform into the relevant bswap or