[stack]: DWARF: Check (set reg sp) for drap

H.J. Lu hjl.tools@gmail.com
Mon Jul 7 18:50:00 GMT 2008


Hi,

After stack is aligned, we only allow (set reg sp) when reg  == fp
and drap is used. I checked in this patch to verify it.

Thanks.


-- 
H.J.
---
2008-07-07  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr): After stack is
	aligned, for (set reg sp), assert reg == fp and drap is used.
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