From: Segher Boessenkool <segher@kernel.crashing.org>
To: Michael Meissner <meissner@linux.vnet.ibm.com>,
gcc-patches@gcc.gnu.org, dje.gcc@gmail.com,
meissner@gcc.gnu.org
Subject: Re: [PATCH] rs6000: Improve fusion assembler output
Date: Fri, 01 Dec 2017 22:53:00 -0000 [thread overview]
Message-ID: <20171201225327.GH10515@gate.crashing.org> (raw)
In-Reply-To: <20171130175452.GA13683@ibm-tiger.the-meissners.org>
On Thu, Nov 30, 2017 at 12:54:53PM -0500, Michael Meissner wrote:
> On Thu, Nov 30, 2017 at 11:59:37AM +0000, Segher Boessenkool wrote:
> > This improves the output for load and store fusion a little. In most
> > cases it removes the comment output, because that makes the generated
> > assembler code hard to read, and equivalent info is available with -dp
> > anyway. For the vector loads it puts the comment on the second insn,
> > where it doesn't interfere with other debug comments.
> >
> > Mike, does this look good? Or is there something I'm missing :-)
> >
> > Tested on powerpc64-linux {-m32,-m64}.
>
> The comment was used by my perl script (analyze-ppc-asm) that looks at .s files
> and prints out statistics. I can adjust the tool so it no longer looks for the
> comment, but actually looks at the adjacent instructions (which I do in a few
> other cases).
Ah okay, thanks! I'll commit the patch then.
Segher
prev parent reply other threads:[~2017-12-01 22:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 12:04 Segher Boessenkool
2017-11-30 18:05 ` Michael Meissner
2017-12-01 22:53 ` Segher Boessenkool [this message]
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