1 /* $NetBSD: arm_neon_imm.h,v 1.1 2023/08/07 01:07:36 rin Exp $ */ 2 3 /*- 4 * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H 30 #define _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H 31 32 /* 33 * Non-standard macros for writing ARM NEON vector literals. Needed 34 * because apparently GCC and Clang disagree wildly on the ordering of 35 * vector literal components -- and both disagree with the 36 * architectural indexing! 37 */ 38 39 #if defined(__GNUC__) && !defined(__clang__) 40 #if defined(__AARCH64EB__) 41 #define V_N_U8(a,b,c,d,e,f,g,h) \ 42 {h,g,f,e,d,c,b,a} 43 #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 44 {p,o,n,m,l,k,j,i, h,g,f,e,d,c,b,a} 45 #define VQ_N_U32(a,b,c,d) \ 46 {d,c, b,a} 47 #elif defined(__ARM_BIG_ENDIAN) 48 #define V_N_U8(a,b,c,d,e,f,g,h) \ 49 {h,g,f,e,d,c,b,a} 50 #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 51 {h,g,f,e,d,c,b,a, p,o,n,m,l,k,j,i} 52 #define VQ_N_U32(a,b,c,d) \ 53 {b,a, d,c} 54 #else 55 #define V_N_U8(a,b,c,d,e,f,g,h) \ 56 {a,b,c,d,e,f,g,h} 57 #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 58 {a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p} 59 #define VQ_N_U32(a,b,c,d) \ 60 {a,b, c,d} 61 #endif 62 #elif defined(__clang__) 63 #ifdef __LITTLE_ENDIAN__ 64 #define V_N_U8(a,b,c,d,e,f,g,h) \ 65 {a,b,c,d,e,f,g,h} 66 #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 67 {a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p} 68 #define VQ_N_U32(a,b,c,d) \ 69 {a,b, c,d} 70 #else 71 #define V_N_U8(a,b,c,d,e,f,g,h) \ 72 {h,g,f,e,d,c,b,a} 73 #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 74 {p,o,n,m,l,k,j,i, h,g,f,e,d,c,b,a} 75 #define VQ_N_U32(a,b,c,d) \ 76 {d,c, b,a} 77 #endif 78 #endif 79 80 #endif /* _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H */ 81