| #!/bin/bash |
| # Copyright (c) 2021 Loongson Technology Corporation Limited |
| # Contributed by Xiwei Gu <guxiwei-hf@loongson.cn> |
| # Contributed by Lu Wang <wanglu@loongson.cn> |
| # |
| #*************************************************************************************** |
| # This script is used in build/arch.mk for loongarch to detect the simd instructions: |
| # lsx, lasx (maybe more in the future). |
| # |
| # --usage: |
| # ./loongarch-simd-check.sh $(CC) lsx |
| # or ./loongarch-simd-check.sh $(CC) lasx |
| # |
| # date: 11/23/2021 Created |
| #*************************************************************************************** |
| |
| TMPC=$(mktemp tmp.XXXXXX.c) |
| TMPO=$(mktemp tmp.XXXXXX.o) |
| if [ $2 == "lsx" ] |
| then |
| echo "void main(void){ __asm__ volatile(\"vadd.b \$vr0, \$vr1, \$vr1\"); }" > $TMPC |
| $1 -mlsx $TMPC -o $TMPO &> /dev/null |
| if test -s $TMPO |
| then |
| echo "Yes" |
| fi |
| elif [ $2 == "lasx" ] |
| then |
| echo "void main(void){ __asm__ volatile(\"xvadd.b \$xr0, \$xr1, \$xr1\"); }" > $TMPC |
| $1 -mlasx $TMPC -o $TMPO &> /dev/null |
| if test -s $TMPO |
| then |
| echo "Yes" |
| fi |
| fi |
| rm -f $TMPC $TMPO |
