RFA: patch to convert_doublest_to_floatformat in doublest.c

[J. Johnston]

Patch checked in.  Thanks.

-- Jeff J.

Kevin Buettner wrote:
> On Jun 10,  3:16pm, J. Johnston wrote:
> 
> 
>>	* doublest.c (convert_doublest_to_floatformat): When dealing with the implied
>>	integer bit, only alter mant_bits if we are processing a full 32 bits of
>>	mantissa.
>>
>>Index: doublest.c
>>===================================================================
>>RCS file: /cvs/src/src/gdb/doublest.c,v
>>retrieving revision 1.15
>>diff -u -p -r1.15 doublest.c
>>--- doublest.c	8 Jun 2003 18:27:13 -0000	1.15
>>+++ doublest.c	10 Jun 2003 18:44:30 -0000
>>@@ -404,7 +404,15 @@ convert_doublest_to_floatformat (CONST s
>> 	{
>> 	  mant_long <<= 1;
>> 	  mant_long &= 0xffffffffL;
>>-	  mant_bits -= 1;
>>+          /* If we are processing the top 32 mantissa bits of a doublest
>>+             so as to convert to a float value with implied integer bit,
>>+             we will only be putting 31 of those 32 bits into the
>>+             final value due to the discarding of the top bit.  In the 
>>+             case of a small float value where the number of mantissa 
>>+             bits is less than 32, discarding the top bit does not alter
>>+             the number of bits we will be adding to the result.  */
>>+          if (mant_bits == 32)
>>+            mant_bits -= 1;
>> 	}
>> 
>>       if (mant_bits < 32)
> 
> 
> Okay.
> 
> Kevin
>