feat(asm): encode the amd64 and loong64 tails of the corpus testdata

Assisted-by: GLM 5.3

asm/encodable.go

@@ -20,11 +20,24 @@ func Encodable(mnemonic string) bool {
 	switch upper {
 	case "RET", "NOP", "CALL", "JMP",
 		"POPFQ", "PUSHFQ", "INT", "LDMXCSR", "STMXCSR", "CMPSD", "SHA256RNDS2",
+		// The SSE compare family sharing CMPSD's predicate-last shape, the
+		// far return with its stack pop, the loop family, the bank-crossing
+		// MMX moves and the one-operand system controls.
+		"CMPSS", "CMPPS", "CMPPD", "RETFL",
+		"LOOP", "LOOPE", "LOOPNE",
+		"MOVDQ2Q", "MOVQ2DQ",
+		"ENDBR64", "CLWB", "TPAUSE", "UMONITOR", "UMWAIT", "RDPID", "CLDEMOTE",
 		// The literal-data pseudo-ops, the accepted-and-ignored END and
 		// bookkeeping statements, and the SP adjust.
 		"BYTE", "WORD", "LONG", "QUAD", "END", "ADJSP", "FUNCDATA", "PCDATA":
 		return true
 	}
+	if _, ok := sysUnaryTable[upper]; ok {
+		return true
+	}
+	if _, ok := sseStoreOnly[upper]; ok {
+		return true
+	}
 	if _, ok := noOperandTable[upper]; ok {
 		return true
 	}