TECHNICAL INFORMATION DOCUMENT

TITLE:  TF2099 - Fix to compiler option -K.
DATE:  23AUG95
README FOR:  TF2099
PRODUCT and VERSION:

UnixWare 2.01

Installation Instructions:  

DATATYPE: datastream

1.  Download the tf2099.Z and tf2099.txt files to the /tmp directory
    on your machine.

2.  Read the release notes contained in this file and follow the 
    instuctions to add the package to your system.

3.  Now become root, uncompress the file and add the package to your 
    system using the following commands:

        $ su
        # uncompress /tmp/tf2099.Z
        # pkgadd -d /tmp/tf2099

ENGINEERING REALEASE NOTES
--------------------------

Title
-----

PTF2099 - Fix to compiler option -K no_ieee with floating point values.

Product And Version
-------------------

UnixWare 2.01, UnixWare 2.02.

Abstract
--------

Floating point caclulations with constants were producing the wrong output.
For instance 0.0 - x where x = 1.0, would output 1.0 instead of -1.0.


SOLUTION SPECIFICS
------------------

General Description.
-------------------

The optimizer was producing wrong output with -K no_ieee option. 
Constatns were not fully taken care in parsing of the tree, during 
optimization. This binary has got fix for the problem. 


New Features.
------------

None

Software Notes and Recommendations.
----------------------------------


	This PTF can be installed on UnixWare 2.01 and 2.02 systems which
	have the ccs package installed.
	This PTF will need to be reinstalled following the installation of a
	subsequent Update (thru 2.02).

Testing of the modified software contained in this package has been
conducted only to the extent necessary to confirm that it resolves the
problem(s) stated above ("Symptom").  Such testing consists of
recreating the problem conditions and verifying that the problem 
no longer occurs.  No other testing of this software has been done.

Hardware Notes and Recommendations.
----------------------------------

This PTF is targeted for the i386, i486 and Pentium CPU's.