Zhaoxin CPUs handle the CMPLegacy bit in the same way
as Intel CPUs. This patch simplifies the existing logic by
using the IS_XXX_CPU macro and includes checks for Zhaoxin
vendor to align their behavior with Intel.

Signed-off-by: EwanHai <ewanhai-oc@zhaoxin.com>
---
 target/i386/cpu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a3747fc487..c52a4cf3ba 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6945,9 +6945,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
          * So don't set it here for Intel to make Linux guests happy.
          */
         if (threads_per_pkg > 1) {
-            if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||
-                env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 ||
-                env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) {
+            if (!IS_INTEL_CPU(env) && !IS_ZHAOXIN_CPU(env)) {
                 *ecx |= 1 << 1;    /* CmpLegacy bit */
             }
         }
-- 
2.34.1