This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Proposed patch for loop.c
- To: egcs-patches at cygnus dot com
- Subject: Proposed patch for loop.c
- From: Toon Moene <moene at knmi dot nl>
- Date: Thu, 28 May 1998 14:35:39 +0000
- CC: crux at Pool dot Informatik dot RWTH-Aachen dot DE, law at cygnus dot com, rth at cygnus dot com
- Organization: Royal Netherlands Meteorological Institute
Bernd,
>I've been trying to find out why the strength-reduce pass occasionally
>generates awful code on the i386. First, an example to demonstrate what
>I'm talking about (to the left the "normal" code generated by >egcs-980525, to the right the code that is generated with the patch
>below).
[ Sorry to send this from my work address, but I'll be away for a couple
of days - please reply to toon@moene.indiv.nluug.nl ]
This will be addressed in full by the giv-combine patch Richard
Henderson is working on (see the "loop optimizations, mark 10" thread on
the egcs mailing list).
HTH,
--
Toon Moene, KNMI, PO Box 201, 3730 AE De Bilt, The Netherlands.
Tel. +31302206443, Fax +31302210407, e-mail moene@knmi.nl
URL: http://www.knmi.nl/hirlam