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Indicate which Clang version stops requiring the workaround

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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Gilles Peskine
2025-12-11 15:55:00 +01:00
parent 85e28b266e
commit ad6ceaa4e7
1 changed files with 5 additions and 4 deletions
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9
library/aesce.c
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@@ -16,15 +16,16 @@
#endif
#if defined(MBEDTLS_AESCE_ARCH_IS_ARMV8_A) && !defined(__ARM_FEATURE_CRYPTO)
/* TODO: Re-consider above after https://reviews.llvm.org/D131064 merged.
*
* The intrinsic declaration are guarded by predefined ACLE macros in clang:
/* The intrinsic declaration are guarded by predefined ACLE macros in clang:
* these are normally only enabled by the -march option on the command line.
* By defining the macros ourselves we gain access to those declarations without
* requiring -march on the command line.
*
* `arm_neon.h` is included by common.h, so we put these defines
* at the top of this file, before any includes.
* at the top of this file, before any includes. This is necessary with
* Clang <=15.x. With Clang 16.0 and above, these macro definitions are
* no longer required, but they're harmless. See
* https://reviews.llvm.org/D131064
*/
#define __ARM_FEATURE_CRYPTO 1
/* See: https://arm-software.github.io/acle/main/acle.html#cryptographic-extensions