This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[m32c,patch]Fix TN-16C-A156A/E (mul.w)


Hi,

>> Is this a bugfix or a performance enhancement?  It looks
>> like a bugfix, but the ChangeLog looks like performance 
>> enhancement.

Please find attached the patch "m32c_mulsi.tar.bz2" that allows
only registers as its destination for "mulu.w" like "mul.w" 
instruction.

No new regressions found.

ChangeLog
2006-08-14  Naveen.H.S  <naveenh@kpitcummins.com>
	* config/m32c/m32c_lib1.S (__mulsi3): Use only
	registers for dest.

Regards,
Naveen.H.S.
KPIT Cummins Infosystems Ltd,
Pune (INDIA) 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	
Free download of GNU based tool-chains for Renesas' SH, H8, R8C, M16C	
and M32C Series. The following site also offers free technical support	
to its users. Visit http://www.kpitgnutools.com for details. 	
Latest versions of KPIT GNU tools were released on June 1, 2006.	
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Attachment: m32c_mulsi.tar.bz2
Description: m32c_mulsi.tar.bz2


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]