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/* Copyright (c) INRIA and Microsoft Corporation. All rights reserved.
Licensed under the Apache 2.0 License. */
#ifndef FSTAR_UINT128_STRUCT_ENDIANNESS_H
#define FSTAR_UINT128_STRUCT_ENDIANNESS_H
/* Hand-written implementation of endianness-related uint128 functions
* for the extracted uint128 implementation */
/* Access 64-bit fields within the int128. */
#define HIGH64_OF(x) ((x)->high)
#define LOW64_OF(x) ((x)->low)
/* A series of definitions written using pointers. */
inline static void load128_le_(uint8_t *b, uint128_t *r) {
LOW64_OF(r) = load64_le(b);
HIGH64_OF(r) = load64_le(b + 8);
}
inline static void store128_le_(uint8_t *b, uint128_t *n) {
store64_le(b, LOW64_OF(n));
store64_le(b + 8, HIGH64_OF(n));
}
inline static void load128_be_(uint8_t *b, uint128_t *r) {
HIGH64_OF(r) = load64_be(b);
LOW64_OF(r) = load64_be(b + 8);
}
inline static void store128_be_(uint8_t *b, uint128_t *n) {
store64_be(b, HIGH64_OF(n));
store64_be(b + 8, LOW64_OF(n));
}
#ifndef KRML_NOSTRUCT_PASSING
inline static uint128_t load128_le(uint8_t *b) {
uint128_t r;
load128_le_(b, &r);
return r;
}
inline static void store128_le(uint8_t *b, uint128_t n) {
store128_le_(b, &n);
}
inline static uint128_t load128_be(uint8_t *b) {
uint128_t r;
load128_be_(b, &r);
return r;
}
inline static void store128_be(uint8_t *b, uint128_t n) {
store128_be_(b, &n);
}
#else /* !defined(KRML_STRUCT_PASSING) */
# define print128 print128_
# define load128_le load128_le_
# define store128_le store128_le_
# define load128_be load128_be_
# define store128_be store128_be_
#endif /* KRML_STRUCT_PASSING */
#endif
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