Fix over-optimisation of ST instruction.

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index ad04383..0e863fc 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2001-06-22  Stacey Sheldon <ssheldon@Catena.com>
+
+       * arc-opc.c (insert_st_syntax): Fix over-optimisation of ST
+       instruction.
+
 2001-06-22  Pauli <pauli@moreton.com.au>
 
        * m68k-opc.c: Add wdebug instruction.

diff --git a/opcodes/arc-opc.c b/opcodes/arc-opc.c
index c67cd88..b05edf0 100644 (file)
--- a/opcodes/arc-opc.c
+++ b/opcodes/arc-opc.c
@@ -1149,14 +1149,6 @@ insert_st_syntax (insn, operand, mods, reg, value, errmsg)
     {
       limm += arc_limm_fixup_adjust(insn);
     }
-  if (ST_SYNTAX(OP_LIMM,OP_SHIMM,OP_SHIMM) && (shimm * 2 == limm))
-    {
-      insn &= ~C(-1);
-      limm_p = 0;
-      limm = 0;
-      insn |= C(ARC_REG_SHIMM);
-      ls_operand[LS_VALUE] = OP_SHIMM;
-    }
   if (!(ST_SYNTAX(OP_REG,OP_REG,OP_NONE)
        || ST_SYNTAX(OP_REG,OP_LIMM,OP_NONE)
        || ST_SYNTAX(OP_REG,OP_REG,OP_SHIMM)