feat(amd64): encode the mixed-width extend family and PMOVMSKB

Assisted-by: GLM 5.3
2026-09-20 00:38:24 +02:00
parent d315a998ce
commit 187e4856d3
5 changed files with 105 additions and 14 deletions
@@ -86,9 +86,16 @@ func Encodable(mnemonic string) bool {
 		"BSWAP",
 		"PREFETCHNTA", "PREFETCHT0", "PREFETCHT1", "PREFETCHT2",
 		"MOVBLZX", "MOVBQZX", "MOVWLZX", "MOVWQZX", "MOVWLSX", "MOVLQSX",
+		"MOVBWZX", "MOVBWSX", "MOVBLSX", "MOVBQSX", "MOVWQSX", "MOVLQZX",
 		"CVTSL2SD", "CVTSQ2SD",
 		"MOVOU", "MOVO", "MOVUPS", "MOVAPS", "MOVUPD", "MOVAPD", "MOVSD", "MOVSS":
 		return true
 	}
+	// Full-name dispatches the size split would eat (a trailing width
+	// letter that is part of the mnemonic).
+	switch upper {
+	case "PMOVMSKB":
+		return true
+	}
 	return false
 }