linuxjoy/sh
3
0
Fork 0
mirror of https://github.com/kejilion/sh.git synced 2025-10-03 23:34:20 +08:00
Code Issues Projects Packages Wiki Activity Actions

Add files via upload

Browse source
This commit is contained in:
kejilion 2023-10-18 17:39:11 +08:00 • committed by GitHub
parent 232dc1e22d
commit a74d54a3ef
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
check_x86-64_psabi.sh Normal file
View file

@ -0,0 +1,11 @@
#!/usr/bin/awk -f

BEGIN {
while (!/flags/) if (getline < "/proc/cpuinfo" != 1) exit 1
if (/lm/&&/cmov/&&/cx8/&&/fpu/&&/fxsr/&&/mmx/&&/syscall/&&/sse2/) level = 1
if (level == 1 && /cx16/&&/lahf/&&/popcnt/&&/sse4_1/&&/sse4_2/&&/ssse3/) level = 2
if (level == 2 && /avx/&&/avx2/&&/bmi1/&&/bmi2/&&/f16c/&&/fma/&&/abm/&&/movbe/&&/xsave/) level = 3
if (level == 3 && /avx512f/&&/avx512bw/&&/avx512cd/&&/avx512dq/&&/avx512vl/) level = 4
if (level > 0) { print "CPU supports x86-64-v" level; exit level + 1 }
exit 1
}