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2012 Aug 17
2
[LLVMdev] MIPS & GP register
...------- Forwarded message ----------
From: Akira Hatanaka <ahatanak at gmail.com>
Date: Fri, Aug 17, 2012 at 2:35 PM
Subject: Re: [LLVMdev] MIPS & GP register
To: Carl Norum <carl at lytro.com>
Will something like this fix the problem?
if (!Subtarget.isLinux()) {
reserve GP and GP_64
}
To improve code, we have stopped reserving GP as a dedicated global
register and have made it available to the register allocator. This works
if we can initialize GP at the entry of every function, as we do now, but
will not otherwise.
On Wed, Aug 15, 2012 at 10:17 PM, Carl Norum <carl at ly...
2012 Aug 17
0
[LLVMdev] MIPS & GP register
...ira Hatanaka <ahatanak at gmail.com>
> Date: Fri, Aug 17, 2012 at 2:35 PM
> Subject: Re: [LLVMdev] MIPS & GP register
> To: Carl Norum <carl at lytro.com>
>
>
> Will something like this fix the problem?
>
> if (!Subtarget.isLinux()) {
> reserve GP and GP_64
> }
>
> To improve code, we have stopped reserving GP as a dedicated global register and have made it available to the register allocator. This works if we can initialize GP at the entry of every function, as we do now, but will not otherwise.
Yes that's fine as long as it works for...