On Wed, Nov 21, 2007 at 03:56:02PM -0500, Richard Kenner wrote: > When that option is enabled, STACK_BOUNDARY is set to 64. > > But when you look at arm_expand_prologue, it appears that very little > effort is made to respect that alignment. Three specific cases I see > are the IS_NESTED case of pushing ip_rtx and, the lack of checking the > size of args_to_push, and no attempt to ensure that an even number of > registers are saved. But there may well be other cases I haven't found. > > I'm not familiar with the ABI of that machine to know how these should > be changed. Does anybody who knows the ABI know how to fix this?
Do you have any test cases? I'm pretty sure this works, at least in the usual cases. A wild guess says that you're doing this in Ada. It may be something specific to the nested case then. -- Daniel Jacobowitz CodeSourcery
