Re: Recommendable 68k C compilers

In article <672@ima.ISC.COM> you write:
>I need to find out what optimizing C compilers exist for the 68000. I
>have found, based on personal experience, that while Green Hills makes
>an awesome optimizing compiler, it gives up too much performance by
>using 32 bit ints, and it would be too painful to change the existing
>code I need to compile.


We use the Green Hills compiler here. I don't see how Green Hills
burns performance by using 32-bit ints. Especially since they seem to
benchmark faster than any other compiler! :-) In general it seems to
be a win, as the compiler places variables in registers whenever
possible, and the 68000's registers are 32-bit. My first take was that
16-bit int's might be more efficient, but there is some added overhead
for clearing out the upper part of the register.


Can you justify your statement?
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Preston L. Bannister
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