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Re: GCC 3.0 Release Criteria
On Fri, Apr 28, 2000 at 11:53:12AM -0700, Chip Salzenberg wrote:
> For example, stack unwinding for exceptions may not work any longer if
> the compiler's definition of the number of hard regs changes. The x86
> target got bit by this a few months ago. The "fix" was to separate
> the number of regs saved from the number of hard regs in the processor
> definition. That happens to work for the x86, but what if it didn't?
Then you have ABI changes elsewhere and the code won't interoperate
anyway. And at a much more fundamental level than exception handling.
r~