Date: Wed, 27 Jul 2005 16:09:51 +0200 From: "Norbert Koch" <NKoch@demig.de> To: "Rink Springer" <rink@stack.nl>, "Ludvig Strigeus" <strigeus@gmail.com> Cc: hackers@freebsd.org, ed@fxq.nl Subject: RE: Problem with pic16l_setled Message-ID: <000701c592b4$dadcd000$4801a8c0@ws-ew-3.W2KDEMIG> In-Reply-To: <20050727134432.GA10142@stack.nl>
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> You see, in C, I call the function like this (for example): > > void pic16l_setled(unsigned int val); > pic16l_setled (0x1234); > > And it gets assembled to: > > pushl $0x1234 > call pic16l_setled > > But it should be assembled to: > > pushl $0x1234 > call pic16l_setled > add $4,%esp /* ditch the parameter */ Usually gcc collects stack cleanups. See -fno-defer-pop. Norbert
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