* gcc.target/i386/align-main-1.c (check): Mark noinline.

[pf3gnuchains/gcc-fork.git] / gcc / reg-stack.c

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 0cde0cb..c1fc820 100644 (file)
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -1,6 +1,6 @@
 /* Register to Stack convert for GNU compiler.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007 
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
 
    This file is part of GCC.
@@ -3180,14 +3180,17 @@ reg_to_stack (void)
      ??? We can't load from constant memory in PIC mode, because
      we're inserting these instructions before the prologue and
      the PIC register hasn't been set up.  In that case, fall back
-     on zero, which we can get from `ldz'.  */
+     on zero, which we can get from `fldz'.  */
 
   if ((flag_pic && !TARGET_64BIT)
       || ix86_cmodel == CM_LARGE || ix86_cmodel == CM_LARGE_PIC)
     not_a_num = CONST0_RTX (SFmode);
   else
     {
-      not_a_num = gen_lowpart (SFmode, GEN_INT (0x7fc00000));
+      REAL_VALUE_TYPE r;
+
+      real_nan (&r, "", 1, SFmode);
+      not_a_num = CONST_DOUBLE_FROM_REAL_VALUE (r, SFmode);
       not_a_num = force_const_mem (SFmode, not_a_num);
     }
 
@@ -3195,7 +3198,7 @@ reg_to_stack (void)
   max_uid = get_max_uid ();
   stack_regs_mentioned_data = VEC_alloc (char, heap, max_uid + 1);
   memset (VEC_address (char, stack_regs_mentioned_data),
-         0, sizeof (char) * max_uid + 1);
+         0, sizeof (char) * (max_uid + 1));
 
   convert_regs ();