re PR rtl-optimization/26247 (gcc.dg/tree-ssa/gen-vect-26.c, 28 and 32.…

re PR rtl-optimization/26247 (gcc.dg/tree-ssa/gen-vect-26.c, 28 and 32. int_mode_for_mode ICE strict_low_part loop-invariant)

	PR rtl-optimization/26247
	PR rtl-optimization/26248
	* loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.

From-SVN: r110924

gcc/ChangeLog

+2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
+
+	PR rtl-optimization/26247
+	PR rtl-optimization/26248
+	* loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
+
 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
 
 	* config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.

gcc/loop-invariant.c

@@ -582,8 +582,9 @@ find_exits (struct loop *loop, basic_block *body,
 static bool
 may_assign_reg_p (rtx x)
 {
-  return (can_copy_p (GET_MODE (x))
+  return (GET_MODE (x) != VOIDmode
 	  && GET_MODE (x) != BLKmode
+	  && can_copy_p (GET_MODE (x))
 	  && (!REG_P (x)
 	      || !HARD_REGISTER_P (x)
 	      || REGNO_REG_CLASS (REGNO (x)) != NO_REGS));