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Special handling for IAR is problematic in zephyr #65

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Special handling for IAR is problematic in zephyr #65

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17 changes: 1 addition & 16 deletions library/alignment.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,22 +37,7 @@
#define MBEDTLS_EFFICIENT_UNALIGNED_ACCESS
#endif

#if defined(__IAR_SYSTEMS_ICC__) && \
(defined(MBEDTLS_ARCH_IS_ARM64) || defined(MBEDTLS_ARCH_IS_ARM32) \
|| defined(__ICCRX__) || defined(__ICCRL78__) || defined(__ICCRISCV__))
#pragma language=save
#pragma language=extended
#define MBEDTLS_POP_IAR_LANGUAGE_PRAGMA
/* IAR recommend this technique for accessing unaligned data in
* https://www.iar.com/knowledge/support/technical-notes/compiler/accessing-unaligned-data
* This results in a single load / store instruction (if unaligned access is supported).
* According to that document, this is only supported on certain architectures.
*/
#define UINT_UNALIGNED
typedef uint16_t __packed mbedtls_uint16_unaligned_t;
typedef uint32_t __packed mbedtls_uint32_unaligned_t;
typedef uint64_t __packed mbedtls_uint64_unaligned_t;
#elif defined(MBEDTLS_COMPILER_IS_GCC) && (MBEDTLS_GCC_VERSION >= 40504) && \
#if defined(MBEDTLS_COMPILER_IS_GCC) && (MBEDTLS_GCC_VERSION >= 40504) && \
((MBEDTLS_GCC_VERSION < 60300) || (!defined(MBEDTLS_EFFICIENT_UNALIGNED_ACCESS)))
/*
* gcc may generate a branch to memcpy for calls like `memcpy(dest, src, 4)` rather than
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