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From: Jeff Law <law@redhat.com>
To: eashan gupta <gupta.eashan@gmail.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: Access RTX register information
Date: Wed, 06 May 2020 11:35:13 -0600	[thread overview]
Message-ID: <e377914b4365500398e8874684a2802535908a52.camel@redhat.com> (raw)
In-Reply-To: <CAJT-Qf8Z-ThxWOTUdspHutT2TFZht0t2mE2jXu7Z7yePhxVxxg@mail.gmail.com>

On Wed, 2020-05-06 at 05:12 +0530, eashan gupta wrote:
> Hi,
> Thanks a lot for replying.
> I have tried tracing the print_rtl_single too following the REG_EXPR but it
> ends up in the code of printing the complete tree.
Right.  It's that tree structure that will have the name emebedded in it.

> 
> Is it possible to access this information directly, ie get the variable name
> stored in a string instead of printing it out?
Probably something like DECL_NAME (REG_EXPR (object)) or DECL_ASSEMBLER_NAME
(REG_EXPR (object))


> I am not too familiar with the code for the tree and it would be very helpful
> to me if I could get the method to get the variable name stored/extracted from
> the tree.
You're almost certainly going to need to refer to tree.h and tree.def to
understand how to dig out the information you want.

jeff
> 


  reply	other threads:[~2020-05-06 17:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-05 22:57 eashan gupta
2020-05-05 23:06 ` Jeff Law
2020-05-05 23:42   ` eashan gupta
2020-05-06 17:35     ` Jeff Law [this message]
2020-05-07 12:51       ` eashan gupta

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