From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: 9fans@cse.psu.edu Subject: Re: [9fans] Fresh (relatively speaking) Graphviz From: Charles Forsyth Date: Wed, 5 Mar 2008 21:14:51 +0000 In-Reply-To: <20080305205926.0A2F91E8C52@holo.morphisms.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: 6fb4a032-ead3-11e9-9d60-3106f5b1d025 > the only difference in calling convention between > gcc's default behavior on x86 platforms and the > plan 9 compilers is that gcc has a few callee-saved > registers, while the plan 9 compilers have none. i thought gcc typically required BP to be used as a frame pointer, whereas 8c simply uses it as another register, which is particularly helpful on the grotty x86. (general-purpose registers? pah!)