From: Richard Henderson <rth@redhat.com>
Date: Sun, 16 Mar 2003 22:55:14 +0000 (-0800)
Subject: simplify-rtx (simplify_binary_operation): Don't abort for SS_PLUS, US_PLUS, SS_MINUS... 
X-Git-Tag: releases/gcc-3.4.0~7877
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4f5c0f7eb958bff387dbf6e2cf2cce5c3b6bd3e0;p=thirdparty%2Fgcc.git

simplify-rtx (simplify_binary_operation): Don't abort for SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.

        * simplify-rtx (simplify_binary_operation): Don't abort for
        SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.

From-SVN: r64452
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0b5824750608..d96fbe42a5af 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-03-16  Richard Henderson  <rth@redhat.com>
+
+        * simplify-rtx (simplify_binary_operation): Don't abort for
+        SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.
+
 2003-03-16  Richard Henderson  <rth@redhat.com>
 
         * config/i386/i386.md (movstrictqi, movstrictqi_1): Check
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 0bd9b6055b6e..50c436f63391 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -1863,6 +1863,13 @@ simplify_binary_operation (code, mode, op0, op1)
 	     > (unsigned HOST_WIDE_INT) arg1 ? arg0 : arg1);
       break;
 
+    case SS_PLUS:
+    case US_PLUS:
+    case SS_MINUS:
+    case US_MINUS:
+      /* ??? There are simplifications that can be done.  */
+      return 0;
+
     default:
       abort ();
     }