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Fix #1869

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This commit is contained in:
mio
2024-02-15 15:22:32 +08:00
parent 8a1c8daca3
commit 24f898fb58
1 changed files with 6 additions and 5 deletions
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11
qemu/target/i386/translate.c
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@@ -1490,12 +1490,13 @@ static void gen_op(DisasContext *s1, int op, MemOp ot, int d)
TCGContext *tcg_ctx = s1->uc->tcg_ctx; TCGContext *tcg_ctx = s1->uc->tcg_ctx;
uc_engine *uc = s1->uc; uc_engine *uc = s1->uc;
/* Invalid lock prefix when destination is not memory or OP_CMPL. */
if ((d != OR_TMP0 || op == OP_CMPL) && s1->prefix & PREFIX_LOCK){
gen_illegal_opcode(s1);
return;
}
if (d != OR_TMP0) { if (d != OR_TMP0) {
if (s1->prefix & PREFIX_LOCK) {
/* Lock prefix when destination is not memory. */
gen_illegal_opcode(s1);
return;
}
gen_op_mov_v_reg(s1, ot, s1->T0, d); gen_op_mov_v_reg(s1, ot, s1->T0, d);
} else if (!(s1->prefix & PREFIX_LOCK)) { } else if (!(s1->prefix & PREFIX_LOCK)) {
gen_op_ld_v(s1, ot, s1->T0, s1->A0); gen_op_ld_v(s1, ot, s1->T0, s1->A0);