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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Tue, 10 May 2022 11:57:04 +0100
Message-ID: <CAH6eHdRca25pLC7e75bjcVfwf0WEsnyySRbxgGgnEpBL6-d3DA@mail.gmail.com>
Subject: Re: How target.md file with target.c/.cc file invoke assembly
 instructions
To: RICHU NORMAN <richunorman@cusat.ac.in>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Tue, 10 May 2022 at 11:51, RICHU NORMAN wrote:
>
> Hi,
> I am new in gcc development and I am focusing on cross-compilers.I have
> added a few instructions for the target machine and invoked it using asm()
> from c program.Now I want to add those instructions to gcc and define that
> instruction in target.md file.I have a few queries regarding the working of
> gcc.
> 1. Do *target.md* files along with* target.cc/.c <http://target.cc/.c> *files
> help to invoke assembly instructions automatically?
> 2.What is the input for this ?(.Gimple or .cfg files)
> 3.How does it work internally?
> 4.I have defined an instruction in target.md alone.But that does not
> work.How to make it work?
> 5.Which file to be examined in rtl-dump of object file for getting the
> input and output to this stage in gcc?

This is the wrong mailing list for questions about GCC development:

https://gcc.gnu.org/lists.html