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diff --git a/sys/arm/include/acle-compat.h b/sys/arm/include/acle-compat.h
--- a/sys/arm/include/acle-compat.h
+++ b/sys/arm/include/acle-compat.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 ARM Ltd
+ * Copyright (c) 2024 Arm Ltd
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -27,157 +27,5 @@
*/
#ifndef __ARM_ARCH
-
-/* ACLE standardises a set of pre-defines that describe the ARM architecture.
- These were mostly implemented in GCC around GCC-4.8; older versions
- have no, or only partial support. To provide a level of backwards
- compatibility we try to work out what the definitions should be, given
- the older pre-defines that GCC did produce. This isn't complete, but
- it should be enough for use by routines that depend on this header. */
-
-/* No need to handle ARMv8, GCC had ACLE support before that. */
-
-#define __ARM_ACLE 101
-
-# ifdef __ARM_ARCH_7__
-/* The common subset of ARMv7 in all profiles. */
-# define __ARM_ARCH 7
-# define __ARM_ARCH_ISA_THUMB 2
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_LDREX 7
-# define __ARM_FEATURE_UNALIGNED
-# endif
-
-# if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__)
-# define __ARM_ARCH 7
-# define __ARM_ARCH_ISA_THUMB 2
-# define __ARM_ARCH_ISA_ARM
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_SIMD32
-# define __ARM_FEATURE_DSP
-# define __ARM_FEATURE_QBIT
-# define __ARM_FEATURE_SAT
-# define __ARM_FEATURE_LDREX 15
-# define __ARM_FEATURE_UNALIGNED
-# ifdef __ARM_ARCH_7A__
-# define __ARM_ARCH_PROFILE 'A'
-# else
-# define __ARM_ARCH_PROFILE 'R'
-# endif
-# endif
-
-# ifdef __ARM_ARCH_7EM__
-# define __ARM_ARCH 7
-# define __ARM_ARCH_ISA_THUMB 2
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_SIMD32
-# define __ARM_FEATURE_DSP
-# define __ARM_FEATURE_QBIT
-# define __ARM_FEATURE_SAT
-# define __ARM_FEATURE_LDREX 7
-# define __ARM_FEATURE_UNALIGNED
-# define __ARM_ARCH_PROFILE 'M'
-# endif
-
-# ifdef __ARM_ARCH_7M__
-# define __ARM_ARCH 7
-# define __ARM_ARCH_ISA_THUMB 2
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_QBIT
-# define __ARM_FEATURE_SAT
-# define __ARM_FEATURE_LDREX 7
-# define __ARM_FEATURE_UNALIGNED
-# define __ARM_ARCH_PROFILE 'M'
-# endif
-
-# ifdef __ARM_ARCH_6T2__
-# define __ARM_ARCH 6
-# define __ARM_ARCH_ISA_THUMB 2
-# define __ARM_ARCH_ISA_ARM
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_SIMD32
-# define __ARM_FEATURE_DSP
-# define __ARM_FEATURE_QBIT
-# define __ARM_FEATURE_SAT
-# define __ARM_FEATURE_LDREX 4
-# define __ARM_FEATURE_UNALIGNED
-# endif
-
-# ifdef __ARM_ARCH_6M__
-# define __ARM_ARCH 6
-# define __ARM_ARCH_ISA_THUMB 1
-# define __ARM_ARCH_PROFILE 'M'
-# endif
-
-# if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \
- || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \
- || defined (__ARM_ARCH_6ZK__)
-# define __ARM_ARCH 6
-# define __ARM_ARCH_ISA_THUMB 1
-# define __ARM_ARCH_ISA_ARM
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_SIMD32
-# define __ARM_FEATURE_DSP
-# define __ARM_FEATURE_QBIT
-# define __ARM_FEATURE_SAT
-# define __ARM_FEATURE_UNALIGNED
-# ifndef __thumb__
-# if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__)
-# define __ARM_FEATURE_LDREX 15
-# else
-# define __ARM_FEATURE_LDREX 4
-# endif
-# endif
-# endif
-
-# if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__)
-# define __ARM_ARCH 5
-# define __ARM_ARCH_ISA_ARM
-# ifdef __ARM_ARCH_5TE__
-# define __ARM_ARCH_ISA_THUMB 1
-# endif
-# define __ARM_FEATURE_CLZ
-# define __ARM_FEATURE_DSP
-# endif
-
-# if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__)
-# define __ARM_ARCH 5
-# define __ARM_ARCH_ISA_ARM
-# ifdef __ARM_ARCH_5TE__
-# define __ARM_ARCH_ISA_THUMB 1
-# endif
-# define __ARM_FEATURE_CLZ
-# endif
-
-# ifdef __ARM_ARCH_4T__
-# define __ARM_ARCH 4
-# define __ARM_ARCH_ISA_ARM
-# define __ARM_ARCH_ISA_THUMB 1
-# endif
-
-# ifdef __ARM_ARCH_4__
-# define __ARM_ARCH 4
-# define __ARM_ARCH_ISA_ARM
-# endif
-
-# if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__)
-# define __ARM_ARCH 3
-# define __ARM_ARCH_ISA_ARM
-# endif
-
-# ifdef __ARM_ARCH_2__
-# define __ARM_ARCH 2
-# define __ARM_ARCH_ISA_ARM
-# endif
-
-# ifdef __ARMEB__
-# define __ARM_BIG_ENDIAN
-# endif
-
-/* If we still don't know what the target architecture is, then we're
- probably not using GCC. */
-# ifndef __ARM_ARCH
-# error Unable to determine architecture version.
-# endif
-
-#endif /* __ARM_ARCH */
+#error Your compiler is too old
+#endif

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