C++ User's Guide

Values

a must be one of the following:

Value of a

Meaning 

abs32

 

Generates 32-bit absolute addresses, which are fast, but have limited range. Code + data + bss size is limited to 2**32 bytes. 

abs44

 

SPARC: Generates 44-bit absolute addresses, which have moderate speed and moderate range. Code + data + bss size is limited to 2**44 bytes. Available only on 64-bit architectures: 

-xarch=(v9|v9a)

abs64

 

SPARC: Generates 64-bit absolute addresses, which are slow, but have full range. Available only on 64-bit architectures: 

-xarch=(v9|v9a)

pic13

 

Generates position-independent code (small model), which is fast, but has limited range. Equivalent to -Kpic. Permits references to at most 2**11 unique external symbols on 32-bit architectures; 2**10 on 64-bit.

pic32

 

Generates position-independent code (large model), which is slow, but has full range. Equivalent to -KPIC. Permits references to at most 2**30 unique external symbols on 32-bit architectures; 2**29 on 64-bit.