Apple suggests that developers don't write directly to Altivec but use their "Accelerate" frameworks which ads an abstraction layer to SIMD code. <http://developer.apple.com/documentation/Performance/Conceptual/Accelerate_ sse_migration/migration_intro/chapter_1_section_1.html> That should facilitate both migration and the creation/maintenance of SIMD-accelerated universal binaries. Björn _______________________________________________ X4U mailing list X4U at listserver.themacintoshguy.com http://listserver.themacintoshguy.com/mailman/listinfo/x4u Listmom is trying to clean out his closets! Vintage Mac and random stuff: http://search.ebay.com/_W0QQsassZmacguy1984 -------------------------------------------------------------------------------- The information contained herein is confidential and is intended solely for the addressee. Access by any other party is unauthorised without the express written permission of the sender. If you are not the intended recipient, please contact the sender either via the company switchboard on +44 (0)20 7623 8000, or via e-mail return. If you have received this e-mail in error or wish to read our e-mail disclaimer statement and monitoring policy, please refer to http://www.drkw.com/disc/email/ or contact the sender. 3167 --------------------------------------------------------------------------------