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Re: [Lightning] JIT_FP -> JIT_AP
From: |
Ludovic Courtès |
Subject: |
Re: [Lightning] JIT_FP -> JIT_AP |
Date: |
Tue, 31 Oct 2006 17:57:42 +0100 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) |
Hi Paolo,
Paolo Bonzini <address@hidden> writes:
> From looking at Ludovic's code for SPARC automatic variables (which I
> won't merge as is, but did give precious insights), I think we need to
> free JIT_FP for automatic stack variables. So I'm renaming JIT_FP to
> JIT_AP all around (doc and code).
Cool. Why "AP" BTW?
The reason why I used `_JIT_SPARC_FP' instead of `JIT_FP' is that when
`JIT_FP' is defined lightning assumes on-stack parameter passing, which
I didn't want.
Thus, instead of what you propose, I'd have kept `JIT_FP' to denote the
FP register and then have back-ends define
`JIT_STACK_BASED_PARAMETER_PASSING' when needed.
Thanks,
Ludovic.