/* MIT License * * Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __Hacl_IntTypes_Intrinsics_H #define __Hacl_IntTypes_Intrinsics_H #if defined(__cplusplus) extern "C" { #endif #include "libintvector.h" #include "kremlin/internal/types.h" #include "kremlin/lowstar_endianness.h" #include #include "kremlin/internal/target.h" static inline u32 Hacl_IntTypes_Intrinsics_add_carry_u32(u32 cin, u32 x, u32 y, u32 *r) { u64 res = (u64)x + (u64)cin + (u64)y; u32 c = (u32)(res >> (u32)32U); r[0U] = (u32)res; return c; } static inline u32 Hacl_IntTypes_Intrinsics_sub_borrow_u32(u32 cin, u32 x, u32 y, u32 *r) { u64 res = (u64)x - (u64)y - (u64)cin; u32 c = (u32)(res >> (u32)32U) & (u32)1U; r[0U] = (u32)res; return c; } static inline u64 Hacl_IntTypes_Intrinsics_add_carry_u64(u64 cin, u64 x, u64 y, u64 *r) { u64 res = x + cin + y; u64 c = (~FStar_UInt64_gte_mask(res, x) | (FStar_UInt64_eq_mask(res, x) & cin)) & (u64)1U; r[0U] = res; return c; } static inline u64 Hacl_IntTypes_Intrinsics_sub_borrow_u64(u64 cin, u64 x, u64 y, u64 *r) { u64 res = x - y - cin; u64 c = ((FStar_UInt64_gte_mask(res, x) & ~FStar_UInt64_eq_mask(res, x)) | (FStar_UInt64_eq_mask(res, x) & cin)) & (u64)1U; r[0U] = res; return c; } #if defined(__cplusplus) } #endif #define __Hacl_IntTypes_Intrinsics_H_DEFINED #endif