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From: "krebbel at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526
Date: Wed, 05 Dec 2012 11:56:00 -0000 [thread overview]
Message-ID: <bug-55006-4-AT8g3v8irj@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-55006-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |krebbel at gcc dot gnu.org
--- Comment #10 from Andreas Krebbel <krebbel at gcc dot gnu.org> 2012-12-05 11:56:03 UTC ---
The attached testcase gets miscompiled starting with that revision.
cc1 -fpreprocessed -quiet -O2 -march=z196 -funroll-loops t.c
Perl_lex_start:
.LFB0:
stgrl %r2,PL_linestr
tm 13(%r2),128
stmg %r14,%r15,112(%r15)
.LCFI0:
lay %r15,-168(%r15)
.LCFI1:
jne .L6
l %r0,12 <------ broken (access to absolute address 12)
lgrl %r2,PL_linestr
.L2:
tmlh %r0,4
jne .L1
la %r3,160(%r15)
lghi %r4,2
brasl %r14,Perl_sv_2pv_flags
.L1:
lmg %r14,%r15,280(%r15)
.LCFI2:
br %r14
.L6:
.LCFI3:
brasl %r14,Perl_sv_2mortal
stgrl %r2,PL_linestr
l %r0,12(%r2)
j .L2
next prev parent reply other threads:[~2012-12-05 11:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-21 12:12 [Bug tree-optimization/55006] New: " dominiq at lps dot ens.fr
2012-10-21 12:24 ` [Bug tree-optimization/55006] " dominiq at lps dot ens.fr
2012-10-21 12:39 ` dominiq at lps dot ens.fr
2012-10-22 9:06 ` rguenth at gcc dot gnu.org
2012-10-29 19:25 ` izamyatin at gmail dot com
2012-11-08 12:07 ` dominiq at lps dot ens.fr
2012-11-18 23:11 ` dominiq at lps dot ens.fr
2012-11-19 21:22 ` [Bug rtl-optimization/55006] " steven at gcc dot gnu.org
2012-11-28 0:18 ` steven at gcc dot gnu.org
2012-12-03 15:59 ` rguenth at gcc dot gnu.org
2012-12-03 16:04 ` steven at gcc dot gnu.org
2012-12-05 11:54 ` krebbel at gcc dot gnu.org
2012-12-05 11:56 ` krebbel at gcc dot gnu.org [this message]
2012-12-05 11:58 ` krebbel at gcc dot gnu.org
2012-12-05 11:59 ` krebbel at gcc dot gnu.org
2012-12-05 12:24 ` steven at gcc dot gnu.org
2012-12-05 12:32 ` steven at gcc dot gnu.org
2012-12-05 12:55 ` krebbel at gcc dot gnu.org
2012-12-21 12:19 ` rguenth at gcc dot gnu.org
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