James E Wilson <wilson@tuliptree.org> writes: > On Mon, 2005-11-21 at 07:12, Andreas Schwab wrote: >> The st insn on the ia64 does not allow the post-increment to come from a >> register (only ld does). Thus the "m" constraint is not suitable for the >> asm statement in __put_user_size. > > You could use the "S" constraint here. This isn't used anywhere in > gcc. This exists solely for use by asms that need a non-postinc MEM. Alas, it does not work: sound/oss/rme96xx.c:744: error: 'asm' operand requires impossible reload That's exactly the place where gcc would like to use a POST_MODIFY with a register operand. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Tue Nov 22 08:27:05 2005
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