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Re: PATCH: -fomit-frame-pointer and exceptions or setjmp/longjmp

On Thu, Jul 04, 2002 at 04:15:57AM +0600, Denis Zaitsev wrote:
> a) strictly speaking, the dwarf2out routines aren't confused by the
> POP, but by that special CALL;

A matter of perspective.

> b) you are just hiding the motion of SP instead of really showing it,
> this doesn't harm to EH, but can swindle debugger.

For all of one instruction, iff the user does stepi instead of step, yes.
It wouldn't surprise me if there are other such windows in which the info
is not quite consistent.

Anyway, even with your patch we continue to have the same window in the
TARGET_DEEP_PREDICTION case, which frankly is the one more folk actually
use, so I think we should go with the simpler patch to move the pop insn.


r~
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