From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 2 Nov 2017 23:11:29 +0300 Subject: Add implementation --- mysql/byte_order_generic_x86.h | 56 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 mysql/byte_order_generic_x86.h (limited to 'mysql/byte_order_generic_x86.h') diff --git a/mysql/byte_order_generic_x86.h b/mysql/byte_order_generic_x86.h new file mode 100644 index 0000000..b3762b5 --- /dev/null +++ b/mysql/byte_order_generic_x86.h @@ -0,0 +1,56 @@ +/* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. + + 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 02110-1301 USA */ + +/* + Optimized functions for the x86 architecture (_WIN32 included). + + x86 handles misaligned reads and writes just fine, so suppress + UBSAN warnings for these functions. +*/ +static inline int16 sint2korr(const uchar *A) SUPPRESS_UBSAN; +static inline int16 sint2korr(const uchar *A) { return *((int16*) A); } + +static inline int32 sint4korr(const uchar *A) SUPPRESS_UBSAN; +static inline int32 sint4korr(const uchar *A) { return *((int32*) A); } + +static inline uint16 uint2korr(const uchar *A) SUPPRESS_UBSAN; +static inline uint16 uint2korr(const uchar *A) { return *((uint16*) A); } + +static inline uint32 uint4korr(const uchar *A) SUPPRESS_UBSAN; +static inline uint32 uint4korr(const uchar *A) { return *((uint32*) A); } + +static inline ulonglong uint8korr(const uchar *A) SUPPRESS_UBSAN; +static inline ulonglong uint8korr(const uchar *A) { return *((ulonglong*) A);} + +static inline longlong sint8korr(const uchar *A) SUPPRESS_UBSAN; +static inline longlong sint8korr(const uchar *A) { return *((longlong*) A); } + +static inline void int2store(uchar *T, uint16 A) SUPPRESS_UBSAN; +static inline void int2store(uchar *T, uint16 A) +{ + *((uint16*) T)= A; +} + +static inline void int4store(uchar *T, uint32 A) SUPPRESS_UBSAN; +static inline void int4store(uchar *T, uint32 A) +{ + *((uint32*) T)= A; +} + +static inline void int8store(uchar *T, ulonglong A) SUPPRESS_UBSAN; +static inline void int8store(uchar *T, ulonglong A) +{ + *((ulonglong*) T)= A; +} -- cgit v1.1