GCC 3.0 Release Criteria

[Richard Henderson]

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~