re PR rtl-optimization/89115 (compile time and memory hog)

2019-01-31  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/89115
	* lra.c (lra_rtx_hash): Properly hash CONST_INT values.

From-SVN: r268414

gcc/ChangeLog

+2019-01-31  Richard Biener  <rguenther@suse.de>
+
+	PR rtl-optimization/89115
+	* lra.c (lra_rtx_hash): Properly hash CONST_INT values.
+
 2019-01-30  Martin Sebor  <msebor@redhat.com>
 
 	PR other/89106

gcc/lra.c

@@ -1719,10 +1719,12 @@ lra_rtx_hash (rtx x)
 
     case SCRATCH:
     case CONST_DOUBLE:
-    case CONST_INT:
     case CONST_VECTOR:
       return val;
 
+    case CONST_INT:
+      return val + UINTVAL (x);
+
     default:
       break;
     }