isa_extn.h - mozsearch

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/*

* (C) 2025 Jack Lloyd

* Botan is released under the Simplified BSD License (see license.txt)

*/

#ifndef BOTAN_UTIL_ISA_EXTN_H_

#define BOTAN_UTIL_ISA_EXTN_H_

#include <botan/compiler.h>

#include <botan/internal/target_info.h>

/*

* GCC and Clang use string identifiers to tag ISA extensions (eg using the

* `target` function attribute).

* This file consolidates the actual definition of such target attributes

*/

#if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)

   #define BOTAN_FN_ISA_SIMD_4X32 BOTAN_FUNC_ISA("ssse3")

   #define BOTAN_FN_ISA_SIMD_2X64 BOTAN_FUNC_ISA("ssse3")

   #define BOTAN_FN_ISA_SIMD_4X64 BOTAN_FUNC_ISA("avx2")

   #define BOTAN_FN_ISA_SIMD_8X64 BOTAN_FN_ISA_AVX512

   #define BOTAN_FN_ISA_CLMUL BOTAN_FUNC_ISA("pclmul,ssse3")

   #define BOTAN_FN_ISA_AESNI BOTAN_FUNC_ISA("aes,ssse3")

   #define BOTAN_FN_ISA_SHANI BOTAN_FUNC_ISA("sha,ssse3,sse4.1")

   #define BOTAN_FN_ISA_SHA512 BOTAN_FUNC_ISA("sha512,avx2")

   #define BOTAN_FN_ISA_SSE2 BOTAN_FUNC_ISA("sse2")

   #define BOTAN_FN_ISA_AVX2 BOTAN_FUNC_ISA("avx2")

   #define BOTAN_FN_ISA_AVX2_BMI2 BOTAN_FUNC_ISA("avx2,bmi,bmi2")

   #define BOTAN_FN_ISA_AVX2_VAES BOTAN_FUNC_ISA("vaes,avx2")

   #define BOTAN_FN_ISA_AVX2_SM4 BOTAN_FUNC_ISA("sm4,avx2")

   #define BOTAN_FN_ISA_AVX2_GFNI BOTAN_FUNC_ISA("gfni,avx2")

   #define BOTAN_FN_ISA_AVX512 BOTAN_FUNC_ISA("avx512f,avx512dq,avx512bw")

   #define BOTAN_FN_ISA_AVX512_BMI2 BOTAN_FUNC_ISA("avx512f,avx512dq,avx512bw,bmi,bmi2")

#endif

#if defined(BOTAN_TARGET_ARCH_IS_ARM64)

   #define BOTAN_FN_ISA_SIMD_4X32 BOTAN_FUNC_ISA("+simd")

   #define BOTAN_FN_ISA_CLMUL BOTAN_FUNC_ISA("+crypto+aes")

   #define BOTAN_FN_ISA_AES BOTAN_FUNC_ISA("+crypto+aes")

   #define BOTAN_FN_ISA_SHA2 BOTAN_FUNC_ISA("+crypto+sha2")

   #define BOTAN_FN_ISA_SM4 BOTAN_FUNC_ISA("arch=armv8.2-a+sm4")

   #define BOTAN_FN_ISA_SHA512 BOTAN_FUNC_ISA("arch=armv8.2-a+sha3")

#endif

#if defined(BOTAN_TARGET_ARCH_IS_ARM32)

   #define BOTAN_FN_ISA_SIMD_4X32 BOTAN_FUNC_ISA("fpu=neon")

#endif

#if defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY)

   #define BOTAN_FN_ISA_SIMD_4X32 BOTAN_FUNC_ISA("altivec")

   #define BOTAN_FN_ISA_CLMUL BOTAN_FUNC_ISA("vsx,crypto")

   #define BOTAN_FN_ISA_AES BOTAN_FUNC_ISA("vsx,crypto")

#endif

#if defined(BOTAN_TARGET_ARCH_IS_LOONGARCH64)

   #define BOTAN_FN_ISA_SIMD_4X32 BOTAN_FUNC_ISA("lsx")

#endif

#endif