2011-01-07 Michael Snyder <msnyder@vmware.com>

[deliverable/binutils-gdb.git] / gdb / doublest.c

diff --git a/gdb/doublest.c b/gdb/doublest.c
index 2a118a333f2b2a011fdae178f1dd226bbda70658..a339887f8ecd019725a18d640168a4f8ef02621c 100644 (file)
--- a/gdb/doublest.c
+++ b/gdb/doublest.c
@@ -60,11 +60,11 @@ get_field (const bfd_byte *data, enum floatformat_byteorders order,
     {
       /* We start counting from the other end (i.e, from the high bytes
         rather than the low bytes).  As such, we need to be concerned
-        with what happens if bit 0 doesn't start on a byte boundary. 
+        with what happens if bit 0 doesn't start on a byte boundary.
         I.e, we need to properly handle the case where total_len is
         not evenly divisible by 8.  So we compute ``excess'' which
         represents the number of bits from the end of our starting
-        byte needed to get to bit 0. */
+        byte needed to get to bit 0.  */
       int excess = FLOATFORMAT_CHAR_BIT - (total_len % FLOATFORMAT_CHAR_BIT);
 
       cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) 
@@ -104,7 +104,7 @@ get_field (const bfd_byte *data, enum floatformat_byteorders order,
        }
     }
   if (len < sizeof(result) * FLOATFORMAT_CHAR_BIT)
-    /* Mask out bits which are not part of the field */
+    /* Mask out bits which are not part of the field.  */
     result &= ((1UL << len) - 1);
   return result;
 }
@@ -176,7 +176,7 @@ convert_floatformat_to_doublest (const struct floatformat *fmt,
   unsigned long mant;
   unsigned int mant_bits, mant_off;
   int mant_bits_left;
-  int special_exponent;                /* It's a NaN, denorm or zero */
+  int special_exponent;                /* It's a NaN, denorm or zero.  */
   enum floatformat_byteorders order;
   unsigned char newfrom[FLOATFORMAT_LARGEST_BYTES];
   enum float_kind kind;
@@ -233,17 +233,17 @@ convert_floatformat_to_doublest (const struct floatformat *fmt,
 
   special_exponent = exponent == 0 || exponent == fmt->exp_nan;
 
-  /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity,
-     we don't check for zero as the exponent doesn't matter.  Note the cast
-     to int; exp_bias is unsigned, so it's important to make sure the
-     operation is done in signed arithmetic.  */
+  /* Don't bias NaNs.  Use minimum exponent for denorms.  For
+     simplicity, we don't check for zero as the exponent doesn't matter.
+     Note the cast to int; exp_bias is unsigned, so it's important to
+     make sure the operation is done in signed arithmetic.  */
   if (!special_exponent)
     exponent -= fmt->exp_bias;
   else if (exponent == 0)
     exponent = 1 - fmt->exp_bias;
 
   /* Build the result algebraically.  Might go infinite, underflow, etc;
-     who cares. */
+     who cares.  */
 
 /* If this format uses a hidden bit, explicitly add it in now.  Otherwise,
    increment the exponent by one to account for the integer bit.  */
@@ -447,7 +447,7 @@ convert_doublest_to_floatformat (CONST struct floatformat *fmt,
       /* From is NaN */
       put_field (uto, order, fmt->totalsize, fmt->exp_start,
                 fmt->exp_len, fmt->exp_nan);
-      /* Be sure it's not infinity, but NaN value is irrel */
+      /* Be sure it's not infinity, but NaN value is irrel.  */
       put_field (uto, order, fmt->totalsize, fmt->man_start,
                 32, 1);
       goto finalize_byteorder;
@@ -460,7 +460,7 @@ convert_doublest_to_floatformat (CONST struct floatformat *fmt,
       dfrom = -dfrom;
     }
 
-  if (dfrom + dfrom == dfrom && dfrom != 0.0)  /* Result is Infinity */
+  if (dfrom + dfrom == dfrom && dfrom != 0.0)  /* Result is Infinity.  */
     {
       /* Infinity exponent is same as NaN's.  */
       put_field (uto, order, fmt->totalsize, fmt->exp_start,
@@ -793,7 +793,7 @@ floatformat_from_length (struct gdbarch *gdbarch, int len)
               [gdbarch_byte_order (gdbarch)];
   /* On i386 the 'long double' type takes 96 bits,
      while the real number of used bits is only 80,
-     both in processor and in memory.  
+     both in processor and in memory.
      The code below accepts the real bit size.  */ 
   else if ((gdbarch_long_double_format (gdbarch) != NULL)
           && (len * TARGET_CHAR_BIT