From: DJ Delorie <dj@redhat.com>
To: jh@suse.cz
Cc: nathan@codesourcery.com, zhangjie@magima.com.cn, gcc@gcc.gnu.org,
jh@suse.cz
Subject: Re: [PATCH] Re: Option -fprofile-arcs fails for target avr and fr30
Date: Tue, 20 May 2003 03:03:00 -0000 [thread overview]
Message-ID: <200305200259.h4K2xbH07069@greed.delorie.com> (raw)
In-Reply-To: <20030519135752.GD15316@kam.mff.cuni.cz> (message from Jan Hubicka on Mon, 19 May 2003 15:57:52 +0200)
> There is code to set the JUMP_LABEL properly in the code to emit insn on
> the edges:
> insert_insn_on_edge (edge_profile, e);
> rebuild_jump_labels (e->insns);
> rebuild_jump_labels is supposed to update JUMP_LABEL accordingly.
> In case the profiling code somewhere does not update labels correctly it
> is the bug on place where code is emit. I will try to figure out what
> happens tomorrow. At the time the basic blocks are split, all
> JUMP_LABELs are supposed to be up-to-date.
When I originally tracked this down, the problem was that profiling is
added after the last time rebuild_jump_labels is called, so any new
jumps won't have jump_labels.
next prev parent reply other threads:[~2003-05-20 2:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-16 9:53 Jie Zhang
2003-05-19 2:55 ` [PATCH] " Jie Zhang
2003-05-19 9:20 ` Nathan Sidwell
2003-05-19 14:25 ` Jan Hubicka
2003-05-20 2:59 ` Jie Zhang
2003-05-20 9:24 ` Jan Hubicka
2003-05-20 3:03 ` DJ Delorie [this message]
2003-05-19 16:38 ` Zdenek Dvorak
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