adding support for a new processor variant

[vikas kesarwani]

Hi,
I wish to add support to a new mips variant to have my
assembler and linker working for it. It is basically
similar to MIPS32 with 2 additional instructions. For
better memory architecture I want to have some extra
sections too. The support I want is similar to like
giving option as -mcpu=mycpu. I looked into the
binutils2.13.1 code for mips but could not relate as
to where does the assembler differentiates between the
opcodes for different cpu.
Any help ??
Vikas

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