Werner Saar
10 years ago
1 changed files with 11 additions and 44 deletions
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+11 -44common_arm64.h
+ 11
- 44
common_arm64.h
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| @@ -1,5 +1,5 @@ | |||
| /***************************************************************************** | |||
| Copyright (c) 2011-2014, The OpenBLAS Project | |||
| Copyright (c) 2011-2015, The OpenBLAS Project | |||
| All rights reserved. | |||
| Redistribution and use in source and binary forms, with or without | |||
| @@ -30,49 +30,12 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |||
| USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||
| **********************************************************************************/ | |||
| /*********************************************************************/ | |||
| /* Copyright 2009, 2010 The University of Texas at Austin. */ | |||
| /* All rights reserved. */ | |||
| /* */ | |||
| /* Redistribution and use in source and binary forms, with or */ | |||
| /* without modification, are permitted provided that the following */ | |||
| /* conditions are met: */ | |||
| /* */ | |||
| /* 1. Redistributions of source code must retain the above */ | |||
| /* copyright notice, this list of conditions and the following */ | |||
| /* disclaimer. */ | |||
| /* */ | |||
| /* 2. Redistributions in binary form must reproduce the above */ | |||
| /* copyright notice, this list of conditions and the following */ | |||
| /* disclaimer in the documentation and/or other materials */ | |||
| /* provided with the distribution. */ | |||
| /* */ | |||
| /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */ | |||
| /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */ | |||
| /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ | |||
| /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ | |||
| /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */ | |||
| /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ | |||
| /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ | |||
| /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */ | |||
| /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */ | |||
| /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ | |||
| /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ | |||
| /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ | |||
| /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ | |||
| /* POSSIBILITY OF SUCH DAMAGE. */ | |||
| /* */ | |||
| /* The views and conclusions contained in the software and */ | |||
| /* documentation are those of the authors and should not be */ | |||
| /* interpreted as representing official policies, either expressed */ | |||
| /* or implied, of The University of Texas at Austin. */ | |||
| /*********************************************************************/ | |||
| #ifndef COMMON_ARM64 | |||
| #define COMMON_ARM64 | |||
| #define MB | |||
| #define WMB | |||
| #define MB __asm__ __volatile__ ("dmb ish" : : : "memory") | |||
| #define WMB __asm__ __volatile__ ("dmb ishst" : : : "memory") | |||
| #define INLINE inline | |||
| @@ -81,17 +44,20 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||
| #ifndef ASSEMBLER | |||
| static void __inline blas_lock(volatile BLASULONG *address){ | |||
| /* | |||
| int register ret; | |||
| do { | |||
| while (*address) {YIELDING;}; | |||
| __asm__ __volatile__( | |||
| "1: \n\t" | |||
| "ldrex r2, [%1] \n\t" | |||
| "mov r2, #0 \n\t" | |||
| "strex r3, r2, [%1] \n\t" | |||
| "mov %0 , r3 \n\t" | |||
| "cmp r3, #0 \n\t" | |||
| "bne 1b \n\t" | |||
| "mov %0 , r3 \n\t" | |||
| : "=r"(ret), "=r"(address) | |||
| : "1"(address) | |||
| : "memory", "r2" , "r3" | |||
| @@ -100,7 +66,7 @@ static void __inline blas_lock(volatile BLASULONG *address){ | |||
| ); | |||
| } while (ret); | |||
| */ | |||
| } | |||
| @@ -166,3 +132,4 @@ REALNAME: | |||
| #endif | |||
| #endif | |||