From e64ac02c24b43659048622714afdc92fedf561fa Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Sun, 1 Jul 2012 13:06:41 +0000
Subject: Move all files into ports/ subdirectory in preparation for merge with
 glibc

---
 ports/sysdeps/ia64/fpu/printf_fphex.c | 80 +++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 ports/sysdeps/ia64/fpu/printf_fphex.c

(limited to 'ports/sysdeps/ia64/fpu/printf_fphex.c')

diff --git a/ports/sysdeps/ia64/fpu/printf_fphex.c b/ports/sysdeps/ia64/fpu/printf_fphex.c
new file mode 100644
index 0000000000..231b69d6e3
--- /dev/null
+++ b/ports/sysdeps/ia64/fpu/printf_fphex.c
@@ -0,0 +1,80 @@
+/* Print floating point number in hexadecimal notation according to ISO C99.
+   Copyright (C) 2000, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef LONG_DOUBLE_DENORM_BIAS
+# define LONG_DOUBLE_DENORM_BIAS (IEEE854_LONG_DOUBLE_BIAS - 1)
+#endif
+
+#define PRINT_FPHEX_LONG_DOUBLE \
+do {									      \
+      /* The "strange" 80 bit format on ia64 has an explicit		      \
+	 leading digit in the 64 bit mantissa.  */			      \
+      unsigned long long int num;					      \
+									      \
+      num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32	      \
+	     | fpnum.ldbl.ieee.mantissa1);				      \
+									      \
+      zero_mantissa = num == 0;						      \
+									      \
+      numstr = _itoa_word (num, numbuf + sizeof numbuf, 16,		      \
+			   info->spec == 'A');				      \
+      wnumstr = _itowa_word (num,					      \
+			     wnumbuf + sizeof (wnumbuf) / sizeof (wchar_t),   \
+			     16, info->spec == 'A');			      \
+									      \
+      /* Fill with zeroes.  */						      \
+      while (numstr > numbuf + (sizeof numbuf - 64 / 4))		      \
+	{								      \
+	  *--numstr = '0';						      \
+	  *--wnumstr = L'0';						      \
+	}								      \
+									      \
+      /* We use a full nibble for the leading digit.  */		      \
+      leading = *numstr++;						      \
+									      \
+      /* We have 3 bits from the mantissa in the leading nibble.	      \
+	 Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'.  */      \
+      exponent = fpnum.ldbl.ieee.exponent;				      \
+									     \
+      if (exponent == 0)						      \
+	{								      \
+	  if (zero_mantissa)						      \
+	    expnegative = 0;						      \
+	  else								      \
+	    {								      \
+	      /* This is a denormalized number.  */			      \
+	      expnegative = 1;						      \
+	      /* This is a hook for the m68k long double format, where the    \
+		 exponent bias is the same for normalized and denormalized    \
+		 numbers.  */						      \
+	      exponent = LONG_DOUBLE_DENORM_BIAS + 3;			      \
+	    }								      \
+	}								      \
+      else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3)		      \
+	{								      \
+	  expnegative = 0;						      \
+	  exponent -= IEEE854_LONG_DOUBLE_BIAS + 3;			      \
+	}								      \
+      else								      \
+	{								      \
+	  expnegative = 1;						      \
+	  exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));	      \
+	}								      \
+} while (0)
+
+#include <stdio-common/printf_fphex.c>
-- 
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