From: Mike Stump <mrs@apple.com>
To: N V Krishna <nvk@cs.purdue.edu>
Cc: gcc@gnu.org
Subject: Re: rtl
Date: Fri, 04 Oct 2002 12:00:00 -0000 [thread overview]
Message-ID: <664635FE-D7C7-11D6-ACE8-000393941EE6@apple.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0210040144350.16972-100000@puma.cs.purdue.edu>
On Thursday, October 3, 2002, at 11:51 PM, N V Krishna wrote:
> the definition of rtx, the field fld is an array of size 1, declared
> as :
>
> rtunion fld[1];
>
> However, I see that there are uses as :
>
> #define SET_DEST(RTX) ((RTX)->fld[0].rtx)
> #define SET_SRC(RTX) ((RTX)->fld[1].rtx)
>
> Am I missing something obvious?
I'd just recommend ignoring it, unless you want to learn more than you
wanted to know. If you want to learn, set a breakpoint at something
that allocates an rtx and say step. You will then `see' how this
works. This is only one weird thing out of the thousands of weird
things gcc does.
next prev parent reply other threads:[~2002-10-04 18:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-04 1:36 rtl N V Krishna
2002-10-04 7:07 ` rtl Shekhar Divekar
2002-10-04 12:00 ` Mike Stump [this message]
2003-08-27 17:47 RTL SRUTHY C.N.
2003-08-27 18:08 ` RTL SRUTHY C.N.
2003-08-28 0:47 ` RTL Jim Wilson
2003-08-29 14:24 RTL SRUTHY C.N.
2003-08-29 14:41 ` RTL SRUTHY C.N.
2003-09-25 4:37 RTL Sruthy C.N
2003-09-25 4:38 ` RTL Sruthy C.N
2003-09-25 5:02 ` RTL Jim Wilson
2003-09-30 12:45 ` RTL Sruthy C.N
2003-10-06 23:27 ` RTL Jim Wilson
2003-09-30 13:12 ` RTL Sruthy C.N
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