From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: Charles Forsyth Date: Fri, 15 May 2009 00:04:27 +0100 To: 9fans@9fans.net In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] P9P on Lemote Yeeloong Topicbox-Message-UUID: fa1ca444-ead4-11e9-9d60-3106f5b1d025 >So you are a bit out of luck here on MIPS [for 64-bit compilers] 64-bit compilers for 64-bit RISC architectures are fairly easy, at least in the sense that we know what to do. amd64 wasn't quite as easy because it was non-RISC (and as weird as x86), had a completely different FP model, and was the first full 64-bit port, requiring some decisions about the model and (in the end) tweaks to /sys/src/cmd/cc. (alpha was a 64-bit processor but ran with 32-bit pointers.) that's all done. based on that, power64 was mostly done in about a week. it hasn't been much used since then, and might need a bit more work, but that will be small. i wouldn't expect much more is required for 64-bit mips.