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/* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. Copyright (c) 2020, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA / / Optimized function-like macros for the x86 architecture (_WIN32 included). / #define sint2korr(A) (int16) (((int16 ) (A))) #define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \ (((uint32) 255L << 24) \| \ (((uint32) (uchar) (A)[2]) << 16) \|\ (((uint32) (uchar) (A)[1]) << 8) \| \ ((uint32) (uchar) (A)[0])) : \ (((uint32) (uchar) (A)[2]) << 16) \|\ (((uint32) (uchar) (A)[1]) << 8) \| \ ((uint32) (uchar) (A)[0]))) #define sint4korr(A) (int32) (((int32 ) (A))) #define uint2korr(A) (uint16) (((uint16 ) (A))) #define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) \|\ (((uint32) ((uchar) (A)[1])) << 8) \|\ (((uint32) ((uchar) (A)[2])) << 16)) #define uint4korr(A) (uint32) (((uint32 ) (A))) static inline ulonglong uint5korr(const void p) { ulonglong a= (uint32 ) p; ulonglong b= (4 + (uchar ) p); return a \| (b << 32); } static inline ulonglong uint6korr(const void p) { ulonglong a= (uint32 ) p; ulonglong b= (uint16 ) (4 + (char ) p); return a \| (b << 32); } #define uint8korr(A) (ulonglong) (((ulonglong ) (A))) #define sint8korr(A) (longlong) (((longlong ) (A))) #define int2store(T,A) do { uchar pT= (uchar)(T);\ ((uint16)(pT))= (uint16) (A);\ } while (0) #define int3store(T,A) do { (T)= (uchar) ((A));\ (T+1)=(uchar) (((uint) (A) >> 8));\ (T+2)=(uchar) (((A) >> 16));\ } while (0) #define int4store(T,A) do { uchar pT= (uchar)(T);\ ((uint32 ) (pT))= (uint32) (A); \ } while (0) #define int5store(T,A) do { uchar pT= (uchar)(T);\ ((uint32 ) (pT))= (uint32) (A); \ ((pT)+4)=(uchar) (((A) >> 32));\ } while (0) #define int6store(T,A) do { uchar pT= (uchar)(T);\ ((uint32 ) (pT))= (uint32) (A); \ ((uint16)(pT+4))= (uint16) (A >> 32);\ } while (0) #define int8store(T,A) do { uchar pT= (uchar)(T);\ ((ulonglong ) (pT))= (ulonglong) (A);\ } while(0) #if defined(__GNUC__) #define HAVE_mi_uint5korr #define HAVE_mi_uint6korr #define HAVE_mi_uint7korr #define HAVE_mi_uint8korr /* Read numbers stored in high-bytes-first order / static inline ulonglong mi_uint5korr(const void p) { ulonglong a= (uint32 ) p; ulonglong b= (4 + (uchar ) p); ulonglong v= (a \| (b << 32)) << 24; asm ("bswapq %0" : "=r" (v) : "0" (v)); return v; } static inline ulonglong mi_uint6korr(const void p) { ulonglong a= (uint32 ) p; ulonglong b= (uint16 ) (4 + (char ) p); ulonglong v= (a \| (b << 32)) << 16; asm ("bswapq %0" : "=r" (v) : "0" (v)); return v; } static inline ulonglong mi_uint7korr(const void p) { ulonglong a= (uint32 ) p; ulonglong b= (uint16 ) (4 + (char ) p); ulonglong c= (6 + (uchar ) p); ulonglong v= (a \| (b << 32) \| (c << 48)) << 8; asm ("bswapq %0" : "=r" (v) : "0" (v)); return v; } static inline ulonglong mi_uint8korr(const void p) { ulonglong v= (ulonglong *) p; asm ("bswapq %0" : "=r" (v) : "0" (v)); return v; } #endif