encode: Add standard names for CMPXCHG8B/16B

aengelke · Jul 2, 2023 · 4ac9b8e · 4ac9b8e
1 parent b94f1a1
commit 4ac9b8e
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diff --git a/encode-test.inc b/encode-test.inc
@@ -167,6 +167,10 @@ TEST("\x99", C_SEP32, 0);
 TEST("\x99", CDQ, 0);
 TEST("\x48\x99", C_SEP64, 0);
 TEST("\x48\x99", CQO, 0);
+TEST("\x0f\xc7\x0f", CMPXCHGD32m, 0, FE_MEM(FE_DI, 0, FE_NOREG, 0));
+TEST("\x0f\xc7\x0f", CMPXCHG8Bm, 0, FE_MEM(FE_DI, 0, FE_NOREG, 0));
+TEST("\x48\x0f\xc7\x0f", CMPXCHGD64m, 0, FE_MEM(FE_DI, 0, FE_NOREG, 0));
+TEST("\x48\x0f\xc7\x0f", CMPXCHG16Bm, 0, FE_MEM(FE_DI, 0, FE_NOREG, 0));
 
 // Test FD/TD encodings
 TEST("\xa0\x00\x00\x00\x00\x00\x00\x00\x00", MOV8ra, 0, FE_AX, 0);

diff --git a/parseinstrs.py b/parseinstrs.py
@@ -827,6 +827,7 @@ def encode_mnems(entries):
             altname = {
                 "C_EX16": "CBW", "C_EX32": "CWDE", "C_EX64": "CDQE",
                 "C_SEP16": "CWD", "C_SEP32": "CDQ", "C_SEP64": "CQO",
+                "CMPXCHGD32m": "CMPXCHG8Bm", "CMPXCHGD64m": "CMPXCHG16Bm",
             }.get(name)
             if altname:
                 mnemonics[altname, opsize, ots].append((spec_opcode, desc))