diff --git a/qemu/target-i386/cpu.c b/qemu/target-i386/cpu.c
index 03ee50b0..9e83558e 100644
--- a/qemu/target-i386/cpu.c
+++ b/qemu/target-i386/cpu.c
@@ -226,8 +226,8 @@ static const char *ext4_feature_name[] = {
 static const char *cpuid_7_0_ebx_feature_name[] = {
     "fsgsbase", "tsc_adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep",
     "bmi2", "erms", "invpcid", "rtm", NULL, NULL, "mpx", NULL,
-    "avx512f", NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
-    NULL, NULL, "avx512pf", "avx512er", "avx512cd", NULL, NULL, NULL,
+    "avx512f", NULL, "rdseed", "adx", "smap", NULL, "pcommit", "clflushopt",
+    "clwb", NULL, "avx512pf", "avx512er", "avx512cd", NULL, NULL, NULL,
 };
 
 static const char *cpuid_apm_edx_feature_name[] = {
@@ -787,7 +787,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
         // FEAT_1_EDX
             PPRO_FEATURES,
         // FEAT_1_ECX
-            CPUID_EXT_SSE3,
+            CPUID_EXT_SSSE3,
         },
     },
     {
diff --git a/qemu/target-i386/cpu.h b/qemu/target-i386/cpu.h
index 905c6885..05ce8bf5 100644
--- a/qemu/target-i386/cpu.h
+++ b/qemu/target-i386/cpu.h
@@ -577,6 +577,9 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
 #define CPUID_7_0_EBX_RDSEED   (1U << 18)
 #define CPUID_7_0_EBX_ADX      (1U << 19)
 #define CPUID_7_0_EBX_SMAP     (1U << 20)
+#define CPUID_7_0_EBX_PCOMMIT  (1U << 22) /* Persistent Commit */
+#define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) /* Flush a Cache Line Optimized */
+#define CPUID_7_0_EBX_CLWB     (1U << 24) /* Cache Line Write Back */
 #define CPUID_7_0_EBX_AVX512PF (1U << 26) /* AVX-512 Prefetch */
 #define CPUID_7_0_EBX_AVX512ER (1U << 27) /* AVX-512 Exponential and Reciprocal */
 #define CPUID_7_0_EBX_AVX512CD (1U << 28) /* AVX-512 Conflict Detection */