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Re: avoid unnecessary register saves for setjmp
Andrew Pinski <email@example.com> writes:
> On Nov 27, 2003, at 00:01, Zack Weinberg wrote:
>> I'm going to take this opportunity to throw in a suggestion I've made
>> before, which is that setjmp/longjmp should - always, not just when
>> special variants are used - be converted by the front end into
>> invocations of the exception-unwinding facility, which gives us tons
>> more control. (Obviously this only works with DWARF2 exception
> But what about backwards compatibility aka use of setjmp/longjmp
> through libraries,
This is a major stumbling block, yes.