From: cinap_lenrek@gmx.de
To: 9fans@9fans.net
Subject: Re: [9fans] 5l bug
Date: Mon, 29 Apr 2013 20:53:34 +0200 [thread overview]
Message-ID: <5ba07285c54fa7e0fde7a02e3a09bdbc@rei2.9hal> (raw)
In-Reply-To: <1367214858.517e0b0a4dbc3@www.imp.polymtl.ca>
following up, theres my naive fix for this. instead of
emiting conditional division instruction by 5c... dont and
keep the branch. does this make any sense?
term% hg diff -r 1777 peep.c
diff -r 5eeb36d3ddd0 sys/src/cmd/5c/peep.c
--- a/sys/src/cmd/5c/peep.c Mon Jul 30 19:11:16 2012 +0200
+++ b/sys/src/cmd/5c/peep.c Mon Apr 29 20:51:12 2013 +0200
@@ -1354,6 +1354,15 @@
j->end = r->s2;
return Branch;
}
+ switch(r->prog->as){
+ case ADIV:
+ case ADIVU:
+ case AMOD:
+ case AMODU:
+ /* emulated by 5l, doesnt handle conditionals */
+ j->end = r->s1;
+ return Toolong;
+ }
if (modifiescpsr(r->prog)) {
j->end = r->s1;
return Setcond;
--
cinap
next prev parent reply other threads:[~2013-04-29 18:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-29 5:54 Paul Patience
2013-04-29 18:53 ` cinap_lenrek [this message]
2013-04-29 18:57 ` erik quanstrom
2013-04-29 19:06 ` cinap_lenrek
2013-04-29 19:08 ` erik quanstrom
2013-04-29 19:34 ` Richard Miller
2013-04-30 10:15 ` kernel panic
2013-04-30 9:07 ` zephyr.pellerin
2013-04-30 10:58 ` kernel panic
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5ba07285c54fa7e0fde7a02e3a09bdbc@rei2.9hal \
--to=cinap_lenrek@gmx.de \
--cc=9fans@9fans.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).