From: Joern Rennecke <joern.rennecke@embecosm.com>
Date: Wed, 19 Jun 2002 14:28:09 +0000 (+0000)
Subject: 	* config/tc-sh.c (get_specific): Revert 2002-05-01 change.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5db33d76e135084aeffd36529325a76376cbf6e0;p=binutils-gdb.git

	* config/tc-sh.c (get_specific): Revert 2002-05-01 change.
	(assemble_ppi): Generate warning if the same register is used
	twice as destination in the same padd / pmuls instruction.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 81c4d9632b4..caebb52ab0c 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+Wed Jun 19 15:12:00 2002  Dhananjay R. Deshpande <dhananjayd@kpit.com>
+
+	* config/tc-sh.c (get_specific): Revert 2002-05-01 change.
+	(assemble_ppi): Generate warning if the same register is used
+	twice as destination in the same padd / pmuls instruction.
+
 2002-06-18  Dave Brolley  <brolley@redhat.com>
 
 	From Catherine Moore, Michael Meissner, Richard Sandiford, Dave Brolley:
diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c
index e62a6f95bd0..968ab4cdc49 100644
--- a/gas/config/tc-sh.c
+++ b/gas/config/tc-sh.c
@@ -1589,27 +1589,6 @@ get_specific (opcode, operands)
 	  sh_operand_info *user = operands + n;
 	  sh_arg_type arg = this_try->arg[n];
 
- 	  /* If this is a parallel insn check to see if both
-	     parts have the same destination register.  */
- 	  if ((n == 2) && (this_try->nibbles[0] == PPI))
-	    {
-	      static boolean bIsPPI = false;
-	      static int nLastDestReg;
-
-	      if (!bIsPPI)
-		{
-		  bIsPPI = true;
-		  nLastDestReg = user->reg;
-		}
-	      else /* Second insn.  */
-		{
-		  if (nLastDestReg == user->reg)
-		    as_warn (_("destination register is same for parallel insns"));
-
-		  bIsPPI = false;
-		}
-	    }
-
 	  switch (arg)
 	    {
 	    case A_DISP_PC:
@@ -2280,6 +2259,15 @@ assemble_ppi (op_end, opcode)
 		default:
 		  as_bad (_("bad padd / psub pmuls output operand"));
 		}
+		/* Generate waring if destination register for padd / psub
+		   and pmuls is same ( only for A0 or A1 )
+		   If last nibble is 1010 then A0 is used in both padd / psub
+		   and pmuls. If it is 1111 then A1 is used as destination
+		   register in both padd / psub and pmuls */
+
+		if ((((field_b | reg_efg) & 0x000F) == 0x000A)
+		    || (((field_b | reg_efg) & 0x000F) == 0x000F))
+		  as_warn (_("destination register is same for parallel insns"));
 	    }
 	  field_b += 0x4000 + reg_efg;
 	  break;