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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-06-27 09:43:55 +01:00
parent 9e868be13a
commit 8c5fae2610
1 changed files with 7 additions and 0 deletions
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7
library/bn_mul.h
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@ -252,6 +252,13 @@
// (including ILP32 __aarch64__ ABIs such as on watchOS, hence the 2^32 - 1)
#if defined(__aarch64__) && (UINTPTR_MAX == 0xfffffffful || UINTPTR_MAX == 0xfffffffffffffffful)
/*
* There are some issues around different compilers requiring different constraint
* syntax for updating pointers from assembly code (see notes for
* MBEDTLS_ASM_AARCH64_PTR_CONSTRAINT in common.h), especially on aarch64_32 (aka ILP32).
*
* For this reason we cast the pointers to/from uintptr_t here.
*/
#define MULADDC_X1_INIT \
do { uintptr_t muladdc_d = (uintptr_t) d, muladdc_s = (uintptr_t) s; asm(