Does mips64-elf support ABI_N32 in gcc 3.1?

[ChengHsin Hsu]

Hi All,

    I'm trying to build a compiler for mips64-elf system which can 
support N32. I understand that the support would not be multilib-like 
supporting as some SGI platforms. Thus I tried to change the 
MIPS_ABI_DEFAULT setting in mips64.h. However, after setting it into 
ABI_N32, I got some errors about SUBTARGET_CPP_SIZE_SPEC undefined. 
There is a comment above this default setting statement says: /* This 
should change to n32 when it is supported in gas.  */
    Does that mean my gas doesn't support n32? But I'm pretty sure that 
I can assemble n32 code without any problem.
    or I should use ABI_MEABI instead to get my memory address being 
32-bits, but data portion being 64-bits?

    Thanks a lot....Have a nice day!

Regards,
Bear.



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