diff -urN src/opcodes/s390-opc.c src-s390/opcodes/s390-opc.c
--- src/opcodes/s390-opc.c	Fri Jun  1 10:48:03 2001
+++ src-s390/opcodes/s390-opc.c	Fri Jun  1 10:43:33 2001
@@ -470,6 +470,7 @@
   { "agf",   OP48(0xe30000000018LL), MASK_RXE, INSTR_RXE, 2},
   { "llgt",  OP48(0xe30000000017LL), MASK_RXE, INSTR_RXE, 2},
   { "llgf",  OP48(0xe30000000016LL), MASK_RXE, INSTR_RXE, 2},
+  { "lgh",   OP48(0xe30000000015LL), MASK_RXE, INSTR_RXE, 2},
   { "lgf",   OP48(0xe30000000014LL), MASK_RXE, INSTR_RXE, 2},
   { "lrvg",  OP48(0xe3000000000fLL), MASK_RXE, INSTR_RXE, 2},
   { "cvbg",  OP48(0xe3000000000eLL), MASK_RXE, INSTR_RXE, 2},
diff -urN src/opcodes/s390-opc.txt src-s390/opcodes/s390-opc.txt
--- src/opcodes/s390-opc.txt	Fri Jun  1 10:48:09 2001
+++ src-s390/opcodes/s390-opc.txt	Fri Jun  1 10:43:50 2001
@@ -452,6 +452,7 @@
 e30000000082 xg RXE "exclusive or 64" esame
 e30000000004 lg RXE "load 64" esame
 e30000000014 lgf RXE "load 64<32" esame
+e30000000015 lgh RXE "load halfword 64" esame
 e30000000020 cg RXE "compare 64" esame
 e30000000030 cgf RXE "compare 64<32" esame
 e30000000008 ag RXE "add 64" esame