CPUID_SSE2
if (cpu_feature[0] & (CPUID_SSE|CPUID_SSE2))
(cpu_feature[0] & CPUID_SSE2) == 0) /* SSE2 for mfence/lfence */
if (ci->ci_feat_val[0] & CPUID_SSE2)
if ((ci->ci_feat_val[0] & CPUID_SSE2) == 0)
if (cpu_feature[0] & (CPUID_SSE|CPUID_SSE2))
CPUID_SSE2 |