Tom Lane 8472bf7a73 Allow float8, int8, and related datatypes to be passed by value on machines ...

where Datum is 8 bytes wide.  Since this will break old-style C functions
(those still using version 0 calling convention) that have arguments or
results of these types, provide a configure option to disable it and retain
the old pass-by-reference behavior.  Likewise, provide a configure option
to disable the recently-committed float4 pass-by-value change.

Zoltan Boszormenyi, plus configurability stuff by me.

2008-04-21 00:26:47 +00:00

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