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Re: reading the gcc-IR in back-end

From: Pop Sébastian <pop at gauvain dot u-strasbg dot fr>
To: "Avinash K. Shrivastava" <avi at cse dot iitb dot ac dot in>
Cc: gcc at gcc dot gnu dot org
Date: Sun, 13 Oct 2002 15:37:57 +0200
Subject: Re: reading the gcc-IR in back-end
References: <Pine.HPX.4.21.0210131437350.12122-100000@everest.cse.iitb.ac.in>

On Sun, Oct 13, 2002 at 02:38:07PM +0530, Avinash K. Shrivastava wrote:
> 
> kindly entertain the queries,
> 
> 
> [1] how the GCC back-end reads the front-end-IR for processing.
> 
GCC trees are converted to RTL via the expand_* functions (in gcc/expr.c).

> [2] Do we need to modify it [back-end] to read the IR from a file instead
>     of from the memory.
> 
If you store the tree format in a file, then you have to read it back into
memory before doing anything else :-).

If you build a valid GCC tree, then you don't have to modify the back-end.


Sebastian.

References:
- reading the gcc-IR in back-end
  - From: Avinash K. Shrivastava

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