HP SunSoft Pascal 4.0 Manual do Utilizador descarregar pdf (Página 77)

The Pascal Compiler 53

-xcache=c

(Solaris 2.x only) The -xcache=c option deﬁnes the cache properties for use by

the optimizer.

c must be one of the following:

• generic

• s1/l1/a1

• s1/l1/a1:s2/l2/a2

• s1/l1/a1:s2/l2/a2:s3/l3/a3

The si/li/ai are deﬁned as follows:

Although this option can be used alone, it is part of the expansion of the -

target option; its primary use is to override a value supplied by the -

target option.

This option speciﬁes the cache properties that the optimizer can use. It does not

guarantee that any particular cache property is used.

si The size of the data cache at level i, in kilobytes

li The line size of the data cache at level i, in bytes

ai The associativity of the data cache at level i

Table 3-4 The -xcache Values

Value Meaning

generic Deﬁne the cache properties for good performance on most SPARCs.

This is the default value which directs the compiler to use cache properties for good

performance on most SPARC processors, without major performance degradation on any

of them.

With each new release, these best timing properties will be adjusted, if appropriate.

s1/l1/a1 Deﬁne level 1 cache properties.

s1/l1/a1:s2/l2/a2 Deﬁne levels 1 and 2 cache properties.

s1/l1/a1:s2/l2/a2:s3/l3/a3 Deﬁne levels 1, 2, and 3 cache properties

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 332 333

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HP SunSoft Pascal 4.0 Manual do Utilizador Página 77