/* Compute register class preferences for pseudo-registers.
Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of GCC.
requires secondary reloads, disallow its class from
being used in such addresses. */
- if ((secondary_reload_class (1, base_class, m, r)
+ if ((secondary_reload_class (0, base_class, m, r)
|| secondary_reload_class (1, base_class, m, r))
&& ! auto_inc_dec_reg_p (r, m))
forbidden_inc_dec_class[i] = 1;
We should only record information for REGs with numbers
greater than or equal to MIN_REGNO. */
-extern struct tree_opt_pass *current_pass;
-
static void
reg_scan_mark_refs (rtx x, rtx insn)
{
|| (GET_CODE (src) == SUBREG && subreg_lowpart_p (src)))
src = XEXP (src, 0);
- if (REG_P (src))
- REG_ATTRS (dest) = REG_ATTRS (src);
- if (MEM_P (src))
- set_reg_attrs_from_mem (dest, src);
+ set_reg_attrs_from_value (dest, src);
}
/* ... fall through ... */