36 lines
617 B
ArmAsm
36 lines
617 B
ArmAsm
|
/*
|
||
|
|
check_neon: check NEON availability
|
||
|
|
|
||
|
|
copyright 1995-2014 by the mpg123 project - free software under the terms of the LGPL 2.1
|
||
|
|
see COPYING and AUTHORS files in distribution or http://mpg123.org
|
||
|
|
initially written by Taihei Momma
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "mangle.h"
|
||
|
|
|
||
|
|
#ifndef __aarch64__
|
||
|
|
#ifndef _M_ARM
|
||
|
|
.code 32
|
||
|
|
#endif
|
||
|
|
#ifndef __APPLE__
|
||
|
|
.fpu neon
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
.text
|
||
|
|
GLOBAL_SYMBOL ASM_NAME(INT123_check_neon)
|
||
|
|
#ifdef __ELF__
|
||
|
|
.type ASM_NAME(INT123_check_neon), %function
|
||
|
|
#endif
|
||
|
|
ALIGN4
|
||
|
|
ASM_NAME(INT123_check_neon):
|
||
|
|
#ifdef __aarch64__
|
||
|
|
orr v0.16b, v0.16b, v0.16b
|
||
|
|
ret
|
||
|
|
#else
|
||
|
|
vorr d0, d0, d0
|
||
|
|
bx lr
|
||
|
|
#endif
|
||
|
|
|
||
|
|
NONEXEC_STACK
|