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Date: Fri, 06 Sep 2013 23:12:05 +0100 From: Måns Rullgård <mans@...sr.com> To: behanw@...verseincode.com Cc: linux@....linux.org.uk, Will Deacon <will.deacon@....com>, Wade Farnsworth <wade_farnsworth@...tor.com>, Will Drewry <wad@...omium.org>, linux-arm-kernel@...ts.infradead.org (moderated list:ARM PORT), linux-kernel@...r.kernel.org (open list) Subject: Re: [PATCH 1/5] arm: LLVMLinux: Add current_stack_pointer macro for ARM behanw@...verseincode.com writes: > +#define current_stack_pointer ({ \ > + unsigned long current_sp; \ > + asm ("mov %0, r13" : "=r" (current_sp)); \ > + current_sp; \ > +}) Why do you use 'r13' rather than the more common 'sp' alias? -- Måns Rullgård mans@...sr.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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