re PR target/7842 ([REGRESSION] sparc code gen bug)

2002-09-25  David S. Miller  <davem@redhat.com>

	PR target/7842
	* config/sparc/sparc.c (set_extends): SImode ASHIFT does not
	extend.

From-SVN: r57534

gcc/ChangeLog

+2002-09-25  David S. Miller  <davem@redhat.com>
+
+	PR target/7842
+	* config/sparc/sparc.c (set_extends): SImode ASHIFT does not
+	extend.
+
 2002-09-25  Richard Henderson  <rth@redhat.com>
 
 	* emit-rtl.c (const_double_htab_eq): Distinguish integer and

gcc/config/sparc/sparc.c

@@ -7763,7 +7763,6 @@ set_extends (insn)
 	  return INTVAL (op1) >= 0;
 	return (GET_CODE (op1) == REG && sparc_check_64 (op1, insn) == 1);
       }
-    case ASHIFT:
     case LSHIFTRT:
       return GET_MODE (SET_SRC (pat)) == SImode;
       /* Positive integers leave the high bits zero.  */