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Re: GCC build failed with your patch on 2001-01-09T11:35:00Z.

>>>>> Alexandre Oliva writes:

Alexandre> Then you must arrange for MAX_LONG_TYPE_SIZE to be #undefined or
Alexandre> #defined to 32 (as long as LONG_TYPE_SIZE isn't wider than that).
Alexandre> AFAICT, MAX_LONG_TYPE_SIZE is defined to 64, and that's the reason why
Alexandre> you get a 64-bit HOST_WIDE_INT.

	The rs6000 port supports both 32-bit and 64-bit computation based
on a runtime flag.  Therefore, the MAX_LONG_TYPE_SIZE is 64 because it can
attain that value with the appropriate runtime flag.  This is necessary
for 64-bit support.

	I was unaware of your patch until this discussion arose.  I think
that it is a very bad patch and I urge you to revert it.  hwint.h should
not be assuming what size HOST_WIDE_INT to use other than the maximum,
natural host wide int.  If you want to allow someone to use "long long",
then make that a configure option, not imposing that on every target by

	The rs6000 port cannot set MAX_LONG_TYPE_SIZE to 32.  If you
insist on retaining the patch, then you need to fix 64-bit host support
for the rs6000 port.


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