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Endianness for IAR compiler

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This commit is contained in:
John Wellbelove 2022-09-30 11:46:13 +01:00
parent 804a401a6e
commit daa42f2d4b
1 changed files with 9 additions and 8 deletions
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17
include/etl/endianness.h
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@ -45,14 +45,6 @@ SOFTWARE.
/// Constants & utilities for endianness
///\ingroup utilities
#if !defined(ETL_ENDIAN_NATIVE) && defined(__IAR_SYSTEMS_ICC__) && defined(__LITTLE_ENDIAN__)
#if __LITTLE_ENDIAN__ == 1
#define ETL_ENDIAN_NATIVE 0
#elif __LITTLE_ENDIAN__ == 0
#define ETL_ENDIAN_NATIVE 1
#endif
#endif
// Have we not already defined ETL_ENDIAN_NATIVE?
#if !defined(ETL_ENDIAN_NATIVE)
// Can we use the C++20 definitions?
@ -60,6 +52,15 @@ SOFTWARE.
#define ETL_ENDIAN_LITTLE std::endian::little
#define ETL_ENDIAN_BIG std::endian::big
#define ETL_ENDIAN_NATIVE std::endian::native
// Is this the IAR compiler?
#elif defined(ETL_COMPILER_IAR) && defined(__LITTLE_ENDIAN__)
#define ETL_ENDIAN_LITTLE 0
#define ETL_ENDIAN_BIG 1
#if __LITTLE_ENDIAN__ == 1
#define ETL_ENDIAN_NATIVE ETL_ENDIAN_LITTLE
#elif __LITTLE_ENDIAN__ == 0
#define ETL_ENDIAN_NATIVE ETL_ENDIAN_BIG
#endif
// If not can we use the compiler macros?
#elif defined(__BYTE_ORDER__)
// Test the two versions of the macro we are likely to see.