/* Subroutines for manipulating rtx's in semantically interesting ways.
Copyright (C) 1987, 1991, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of GCC.
#include "tree.h"
#include "tm_p.h"
#include "flags.h"
+#include "except.h"
#include "function.h"
#include "expr.h"
#include "optabs.h"
{
size = lang_hooks.expr_size (exp);
gcc_assert (size);
- size = SUBSTITUTE_PLACEHOLDER_IN_EXPR (size, exp);
+ gcc_assert (size == SUBSTITUTE_PLACEHOLDER_IN_EXPR (size, exp));
}
return expand_expr (size, NULL_RTX, TYPE_MODE (sizetype), EXPAND_NORMAL);
align = MIN (sa, ca);
}
- else if (MEM_P (x) && MEM_POINTER (x))
- align = MEM_ALIGN (x);
- if (align)
+ if (align || (MEM_P (x) && MEM_POINTER (x)))
mark_reg_pointer (temp, align);
}
gcc_assert (!(stack_pointer_delta
% (PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT)));
- /* If needed, check that we have the required amount of stack. Take into
- account what has already been checked. */
- if (flag_stack_check && ! STACK_CHECK_BUILTIN)
- probe_stack_range (STACK_CHECK_MAX_FRAME_SIZE + STACK_CHECK_PROTECT, size);
+ /* If needed, check that we have the required amount of stack.
+ Take into account what has already been checked. */
+ if (flag_stack_check == GENERIC_STACK_CHECK)
+ probe_stack_range (STACK_OLD_CHECK_PROTECT + STACK_CHECK_MAX_FRAME_SIZE,
+ size);
+ else if (flag_stack_check == STATIC_BUILTIN_STACK_CHECK)
+ probe_stack_range (STACK_CHECK_PROTECT, size);
/* Don't use a TARGET that isn't a pseudo or is the wrong mode. */
if (target == 0 || !REG_P (target)