llvm dev - Sep 2012 - [LLVMdev] Pattern class

> This has several problems for direct object emitting
Why? Just expand these pseudos before asm printing and you're done.
This is the approach used by other targets. Check e.g. ARM backend for
handling movw + movt pair of instructions.

-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University

On Sun, 16 Sep 2012 21:33:26 +0400
Anton Korobeynikov <anton at korobeynikov.info> wrote:
> > This has several problems for direct object emitting
> Why? Just expand these pseudos before asm printing and you're done.
> This is the approach used by other targets. Check e.g. ARM backend for
> handling movw + movt pair of instructions.
I think that *if* it were possible to do this with patterns, then that
would be the preferred mechanism.

 -Hal
> 


-- 
Hal Finkel
Postdoctoral Appointee
Leadership Computing Facility
Argonne National Laboratory

This Pattern class says it's possible but seems just to not work or maybe
I'm using it incorrectly.

Probably I will go and fix it when I'm done with mips16.


________________________________________
From: Hal Finkel [hfinkel at anl.gov]
Sent: Sunday, September 16, 2012 10:59 AM
To: Anton Korobeynikov
Cc: Kotler, Reed; LLVM-Dev ‎[llvmdev at cs.uiuc.edu]‎
Subject: Re: [LLVMdev] Pattern class

On Sun, 16 Sep 2012 21:33:26 +0400
Anton Korobeynikov <anton at korobeynikov.info> wrote:
> > This has several problems for direct object emitting
> Why? Just expand these pseudos before asm printing and you're done.
> This is the approach used by other targets. Check e.g. ARM backend for
> handling movw + movt pair of instructions.
I think that *if* it were possible to do this with patterns, then that
would be the preferred mechanism.

 -Hal
>


--
Hal Finkel
Postdoctoral Appointee
Leadership Computing Facility
Argonne National Laboratory