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target/i386/tcg: Fix RDPID feature check

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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: 6750485bf4 ("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>
This commit is contained in:
Zhao Liu 2024-06-03 16:07:23 +08:00 committed by Paolo Bonzini
parent 0683fff1cf
commit f2c04bede3
1 changed files with 1 additions and 1 deletions
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2
target/i386/tcg/translate.c
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@ -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);