format: Emit XACQUIRE/XRELEASE

As CMPXCHGD has a mandatory prefix table, it is absolutely necessary that the presence of any tables does not modify any decoding state.
2021-01-23 14:35:08 +01:00
parent ab63a3c921
commit f17d84cee6
3 changed files with 43 additions and 2 deletions
--- a/decode.c
+++ b/decode.c
@@ -244,7 +244,6 @@ prefix_end:
        // there is a REP prefix, then the 66h prefix is ignored here.
        uint8_t mandatory_prefix = prefix_rep ? prefix_rep : !!prefix_66;
        table_idx = table_walk(table_idx, mandatory_prefix, &kind);
-        prefix_rep = 0; // Don't include REP/REPNZ in instr flags
    }

    // Then, walk through ModR/M-encoded opcode extensions.