target/i386/tcg: Fix RDPID feature check

DisasContext.cpuid_ext_features indicates CPUID.01H.ECX.

Use DisasContext.cpuid_7_0_ecx_features field to check RDPID feature bit
(CPUID_7_0_ECX_RDPID).

Fixes: 6750485bf42a ("target/i386: implement RDPID in TCG")
Inspired-by: Xinyu Li <lixinyu20s@ict.ac.cn>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20240603080723.1256662-1-zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 6dedfe94c04ce2892bfc09c948952b0507473bd7..0486ab69112038f8c28bf1ff48dd93f3fe00c2a9 100644 (file)
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -3199,7 +3199,7 @@ static void disas_insn_old(DisasContext *s, CPUState *cpu, int b)
                 goto illegal_op;
             }
             if (s->prefix & PREFIX_REPZ) {
-                if (!(s->cpuid_ext_features & CPUID_7_0_ECX_RDPID)) {
+                if (!(s->cpuid_7_0_ecx_features & CPUID_7_0_ECX_RDPID)) {
                     goto illegal_op;
                 }
                 gen_helper_rdpid(s->T0, tcg_env);