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Re: Profiling on S390

From: Richard Henderson <rth at redhat dot com>
To: Jan Hubicka <jh at suse dot cz>
Cc: Ulrich Weigand <Ulrich dot Weigand at de dot ibm dot com>, gcc at gcc dot gnu dot org, aj at suse dot de
Date: Wed, 23 Apr 2003 10:48:29 -0700
Subject: Re: Profiling on S390
References: <OF7A0BE3AE.D2F0BEA4-ONC1256D10.006D2088@de.ibm.com> <20030422211923.GE21400@redhat.com> <20030423074537.GG15464@kam.mff.cuni.cz>

On Wed, Apr 23, 2003 at 09:45:37AM +0200, Jan Hubicka wrote:
> > It could, but if you don't have add/load/store insns that don't
> > clobber CC, then you'll get in trouble with reload too.  Of
> We can conclude to use some named patterns.  For instance
> "save_state" "restore_state" to fold profiler code in.  Does this sound
> plausible?

No.  How much state are you planning to save?  I think it'd
make more sense to have an add_nocc pattern instead.


r~

Follow-Ups:
- Re: Profiling on S390
  - From: Jan Hubicka

References:
- Re: Profiling on S390
  - From: Ulrich Weigand
- Re: Profiling on S390
  - From: Richard Henderson
- Re: Profiling on S390
  - From: Jan Hubicka

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