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From: | Paul Brook |
Subject: | Re: [Qemu-devel] [PATCH v2] Use ctz64 in favor of ffsll |
Date: | Fri, 3 Jul 2009 10:35:18 +0100 |
User-agent: | KMail/1.11.4 (Linux/2.6.29-2-amd64; KDE/4.2.4; x86_64; ; ) |
On Thursday 02 July 2009, Jan Kiszka wrote: > Not all host platforms support ffsll. >- pending_irq = i * 64 + bit - 1; >+ bit = ctz64(env->interrupt_bitmap[i]); >+ pending_irq = i * 64 + bit; Are we sure there is only ever one bit set in interrupt_bitmap? If not does it mater that we're processing them in reverse order? Paul
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