linux 查看cpu指令集

lscpu

Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms

cat /proc/cpuinfo | grep flags

#include <stdio.h>

int main() {
    #if defined(__AVX__)
        printf("AVX supported\n");
    #endif

    #if defined(__SSE__)
        printf("SSE supported\n");
    #endif

    #if defined(__MMX__)
        printf("MMX supported\n");
    #endif

    return 0;
}

gcc -march=native check_asm.c -o check_asm
./check_asm

sudo apt-get install util-linux  # 对于基于Debian的系统
sudo yum install util-linux      # 对于基于RedHat的系统