From: David Edelsohn <edelsohn@gnu.org>
Date: Fri, 2 Jul 1999 00:36:48 +0000 (-0600)
Subject: rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the same as offsettable... 
X-Git-Tag: prereleases/gcc-2.95-test~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e18fdc8d8af96b343b2f38bd5ab59ff2a968a45;p=thirdparty%2Fgcc.git

rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the same as offsettable in cases 1 and 2.

`
        * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
        same as offsettable in cases 1 and 2.

From-SVN: r27913
---

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index c2749f8222fa..10f2c0847911 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -6329,7 +6329,9 @@
     case 1:
       if (offsettable_memref_p (operands[1])
 	  || (GET_CODE (operands[1]) == MEM
-	      && GET_CODE (XEXP (operands[1], 0)) == LO_SUM))
+	      && (GET_CODE (XEXP (operands[1], 0)) == LO_SUM
+		  || GET_CODE (XEXP (operands[1], 0)) == PRE_INC
+		  || GET_CODE (XEXP (operands[1], 0)) == PRE_DEC)))
 	{
 	  /* If the low-address word is used in the address, we must load
 	     it last.  Otherwise, load it first.  Note that we cannot have
@@ -6345,10 +6347,6 @@
 	{
 	  rtx addreg;
 
-	  if (GET_CODE (XEXP (operands[1], 0)) == PRE_INC
-	      || GET_CODE (XEXP (operands[1], 0)) == PRE_DEC)
-	    abort ();
-
 	  addreg = find_addr_reg (XEXP (operands[1], 0));
 	  if (refers_to_regno_p (REGNO (operands[0]),
 				 REGNO (operands[0]) + 1,
@@ -6371,16 +6369,14 @@
     case 2:
       if (offsettable_memref_p (operands[0])
 	  || (GET_CODE (operands[0]) == MEM
-	      && GET_CODE (XEXP (operands[0], 0)) == LO_SUM))
+	      && (GET_CODE (XEXP (operands[0], 0)) == LO_SUM
+		  || GET_CODE (XEXP (operands[0], 0)) == PRE_INC
+		  || GET_CODE (XEXP (operands[0], 0)) == PRE_DEC)))
 	return \"{st%U0|stw%U0} %1,%0\;{st|stw} %L1,%L0\";
       else
 	{
 	  rtx addreg;
 
-	  if (GET_CODE (XEXP (operands[0], 0)) == PRE_INC
-	      || GET_CODE (XEXP (operands[0], 0)) == PRE_DEC)
-	    abort ();
-
 	  addreg = find_addr_reg (XEXP (operands[0], 0));
 	  output_asm_insn (\"{stx|stwx} %1,%0\", operands);
 	  output_asm_insn (\"{cal|la} %0,4(%0)\", &addreg);