1 1.1 rin /* $NetBSD: arm_neon_imm.h,v 1.1 2023/08/07 01:07:36 rin Exp $ */ 2 1.1 rin 3 1.1 rin /*- 4 1.1 rin * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 1.1 rin * All rights reserved. 6 1.1 rin * 7 1.1 rin * Redistribution and use in source and binary forms, with or without 8 1.1 rin * modification, are permitted provided that the following conditions 9 1.1 rin * are met: 10 1.1 rin * 1. Redistributions of source code must retain the above copyright 11 1.1 rin * notice, this list of conditions and the following disclaimer. 12 1.1 rin * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 rin * notice, this list of conditions and the following disclaimer in the 14 1.1 rin * documentation and/or other materials provided with the distribution. 15 1.1 rin * 16 1.1 rin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1 rin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1 rin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1 rin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1 rin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1 rin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1 rin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1 rin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1 rin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1 rin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1 rin * POSSIBILITY OF SUCH DAMAGE. 27 1.1 rin */ 28 1.1 rin 29 1.1 rin #ifndef _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H 30 1.1 rin #define _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H 31 1.1 rin 32 1.1 rin /* 33 1.1 rin * Non-standard macros for writing ARM NEON vector literals. Needed 34 1.1 rin * because apparently GCC and Clang disagree wildly on the ordering of 35 1.1 rin * vector literal components -- and both disagree with the 36 1.1 rin * architectural indexing! 37 1.1 rin */ 38 1.1 rin 39 1.1 rin #if defined(__GNUC__) && !defined(__clang__) 40 1.1 rin #if defined(__AARCH64EB__) 41 1.1 rin #define V_N_U8(a,b,c,d,e,f,g,h) \ 42 1.1 rin {h,g,f,e,d,c,b,a} 43 1.1 rin #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 44 1.1 rin {p,o,n,m,l,k,j,i, h,g,f,e,d,c,b,a} 45 1.1 rin #define VQ_N_U32(a,b,c,d) \ 46 1.1 rin {d,c, b,a} 47 1.1 rin #elif defined(__ARM_BIG_ENDIAN) 48 1.1 rin #define V_N_U8(a,b,c,d,e,f,g,h) \ 49 1.1 rin {h,g,f,e,d,c,b,a} 50 1.1 rin #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 51 1.1 rin {h,g,f,e,d,c,b,a, p,o,n,m,l,k,j,i} 52 1.1 rin #define VQ_N_U32(a,b,c,d) \ 53 1.1 rin {b,a, d,c} 54 1.1 rin #else 55 1.1 rin #define V_N_U8(a,b,c,d,e,f,g,h) \ 56 1.1 rin {a,b,c,d,e,f,g,h} 57 1.1 rin #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 58 1.1 rin {a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p} 59 1.1 rin #define VQ_N_U32(a,b,c,d) \ 60 1.1 rin {a,b, c,d} 61 1.1 rin #endif 62 1.1 rin #elif defined(__clang__) 63 1.1 rin #ifdef __LITTLE_ENDIAN__ 64 1.1 rin #define V_N_U8(a,b,c,d,e,f,g,h) \ 65 1.1 rin {a,b,c,d,e,f,g,h} 66 1.1 rin #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 67 1.1 rin {a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p} 68 1.1 rin #define VQ_N_U32(a,b,c,d) \ 69 1.1 rin {a,b, c,d} 70 1.1 rin #else 71 1.1 rin #define V_N_U8(a,b,c,d,e,f,g,h) \ 72 1.1 rin {h,g,f,e,d,c,b,a} 73 1.1 rin #define VQ_N_U8(a,b,c,d,e,f,g,h, i,j,k,l,m,n,o,p) \ 74 1.1 rin {p,o,n,m,l,k,j,i, h,g,f,e,d,c,b,a} 75 1.1 rin #define VQ_N_U32(a,b,c,d) \ 76 1.1 rin {d,c, b,a} 77 1.1 rin #endif 78 1.1 rin #endif 79 1.1 rin 80 1.1 rin #endif /* _SYS_CRYPTO_ARCH_ARM_ARM_NEON_IMM_H */ 81
Indexes created Thu Sep 25 16:09:42 GMT 2025