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Re: How can I add 256bits register file to a MIPS port?

From: Ian Lance Taylor <iant at google dot com>
To: Liu <proljc at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: Tue, 21 Dec 2010 06:58:14 -0800
Subject: Re: How can I add 256bits register file to a MIPS port?
References: <AANLkTik8Xi_6xiaZ6n0+A=SxotpZZwTOpyZFiWzhx8TO@mail.gmail.com> <mcrk4j3ocxv.fsf@google.com> <AANLkTik9BYqc+t3LkAyP2YXnU8U4-7osC8ffnCEUBAjZ@mail.gmail.com>

Liu <proljc@gmail.com> writes:

> I changed FIXED_REGISTERS into 0, FIXED_REGISTERS into 1,
> CALL_REALLY_USED_REGISTERS into 1.
>
> build and test it, but I still get the same error.

Have you updated HARD_REGNO_MODE_OK?

I encourage you to carefully read the gcc internals manual.  It's pretty
good on this kind of thing.

Ian

Follow-Ups:
- Re: How can I add 256bits register file to a MIPS port?
  - From: Liu

References:
- How can I add 256bits register file to a MIPS port?
  - From: Liu
- Re: How can I add 256bits register file to a MIPS port?
  - From: Ian Lance Taylor
- Re: How can I add 256bits register file to a MIPS port?
  - From: Liu

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