Allocation of local variables (was: Re: Duff's device)

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In article <803 at philmds.UUCP> leo at philmds.UUCP (Leo de Wit) writes:
| To use a variation of the previous poster's question: does anyone know
| of any compiler that does not already allocate all the stack space
| needed at entrance of the function?

Some of Data General's other compilers do this (notably PL/1 and
DG/L).  In addition to the normal add/subtract of the stack pointer,
the code generator detects jumping into blocks, it has to allocate the
space, as well as removing the space on a jump out of a block.
-- 
Michael Meissner, Data General.

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