ubsan: arc: shift exponent 32 is too large for 32-bit type 'int'

[Alan Modra]

When operand->bits is 32, the following results in UB.
value = (insn >> operand->shift) & ((1 << operand->bits) - 1);

	* arc-dis.c (find_format_from_table): Use ull constant when
	shifting by up to 32.

diff --git a/opcodes/arc-dis.c b/opcodes/arc-dis.c
index 3c88c33428..a038fa0ca2 100644
--- a/opcodes/arc-dis.c
+++ b/opcodes/arc-dis.c
@@ -295,7 +295,7 @@ find_format_from_table (struct disassemble_info *info,
 	  if (operand->extract)
 	    value = (*operand->extract) (insn, &invalid);
 	  else
-	    value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
+	    value = (insn >> operand->shift) & ((1ull << operand->bits) - 1);
 
 	  /* Check for LIMM indicator.  If it is there, then make sure
 	     we pick the right format.  */

-- 
Alan Modra
Australia Development Lab, IBM