HP SunSoft Pascal 4.0 - Manual (Page 74)

50 Pascal 4.0 User’s Guide
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a must be one of: generic , v7 , v8 , v8a , v8plus , v8plusa .
Although this option can be used alone, it is part of the expansion of the
xtarget option; its primary use is to override a value supplied by the
xtarget option.
This option limits the instructions generated to those of the specified
architecture, and allows the specified set of instructions. It does not guarantee
an instruction is used; however, under optimization, it is usually used.
If this option is used with optimization, the appropriate choice can provide
good performance of the executable on the specified architecture. An
inappropriate choice can result in serious degradation of performance.