On Monday, October 03, 2011 23:26:25 Michael LIAO wrote: > On Mon, Oct 3, 2011 at 5:46 PM, Mike Frysinger wrote: > > in terms of asm code, it's still possible to use ifdef's to handle cases > > where you truly need different code paths. > > Yeah, we could have '#ifdef X32ABI" in assembly file to select > different path. But, how to generate that macro, says X32ABI, based on > autoconf to detect/select target (not only target architecture but > also target ABI.).
you don't need to do it yourself. please look at the x32 website near the bottom. it shows you how to use ifdef's that gcc itself provides. -mike
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