re PR middle-end/10557 ([m68k] ICE in subreg_offset_representable_p)

        PR middle-end/10557
        * rtlanal.c (subreg_offset_representable_p): Relax subreg check.

From-SVN: r67878

gcc/ChangeLog

+2003-06-12  Richard Henderson  <rth@redhat.com>
+
+	PR middle-end/10557
+	* rtlanal.c (subreg_offset_representable_p): Relax subreg check.
+
 2003-06-13  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/m32r/m32r.md: Fix a comment typo.

gcc/rtlanal.c

@@ -3427,16 +3427,10 @@ subreg_offset_representable_p (xregno, xmode, offset, ymode)
 
 #ifdef ENABLE_CHECKING
   /* This should always pass, otherwise we don't know how to verify the
-     constraint. 
-
-     These conditions may be relaxed but subreg_offset would need to be
-     redesigned.  */
+     constraint.  These conditions may be relaxed but subreg_offset would
+     need to be redesigned.  */
   if (GET_MODE_SIZE (xmode) % GET_MODE_SIZE (ymode)
       || GET_MODE_SIZE (ymode) % nregs_ymode
-      || (GET_MODE_BITSIZE (mode_for_size (GET_MODE_BITSIZE (xmode)
-			      		   / nregs_xmode,
-					   MODE_INT, 0))
-	  != GET_MODE_BITSIZE (xmode) / nregs_xmode)
       || nregs_xmode % nregs_ymode)
     abort ();
 #endif