From: Mikael Pettersson <mikpe@it.uu.se>
To: "Michael Walle" <michael@walle.cc>
Cc: "Richard Guenther" <richard.guenther@gmail.com>,
"Georg-Johann Lay" <avr@gjlay.de>,
"Mikael Pettersson" <mikpe@it.uu.se>,
"Hans-Peter Nilsson" <hp@bitrange.com>,
"Richard Henderson" <rth@redhat.com>,
gcc@gcc.gnu.org
Subject: Re: libgcc: strange optimization
Date: Tue, 02 Aug 2011 12:06:00 -0000 [thread overview]
Message-ID: <20023.59456.782598.31450@pilspetsen.it.uu.se> (raw)
In-Reply-To: <27466ae6b9a714679fcba410cce130ba.squirrel@ssl.serverraum.org>
Michael Walle writes:
>
> Hi,
>
> > To confirm that try -fno-tree-ter.
>
> "lm32-gcc -O1 -fno-tree-ter -S -c test.c" generates the following working
> assembly code:
>
> f2:
> addi sp, sp, -4
> sw (sp+4), ra
> addi r2, r0, 10
> calli __ashrsi3
> addi r8, r0, 10
> scall
> lw ra, (sp+4)
> addi sp, sp, 4
> b ra
-fno-tree-ter also unbreaks the ARM test case in PR48863 comment #4.
next prev parent reply other threads:[~2011-08-02 12:06 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-01 20:30 Michael Walle
2011-08-01 20:51 ` Georg-Johann Lay
2011-08-01 21:14 ` Michael Walle
2011-08-02 6:47 ` Georg-Johann Lay
2011-08-02 6:29 ` Hans-Peter Nilsson
2011-08-01 21:30 ` Richard Henderson
2011-08-02 6:37 ` Hans-Peter Nilsson
2011-08-02 8:49 ` Mikael Pettersson
2011-08-02 9:47 ` Richard Guenther
2011-08-02 10:02 ` Georg-Johann Lay
2011-08-02 10:11 ` Richard Guenther
2011-08-02 10:55 ` Michael Walle
2011-08-02 12:06 ` Mikael Pettersson [this message]
2011-08-02 12:23 ` Richard Guenther
2011-08-02 12:36 ` Georg-Johann Lay
2011-08-02 12:54 ` Hans-Peter Nilsson
2011-08-02 13:09 ` Richard Guenther
2011-08-02 13:16 ` Hans-Peter Nilsson
2011-08-03 4:59 ` Miles Bader
2011-08-02 13:23 ` Ian Lance Taylor
2011-08-02 13:42 ` Richard Guenther
2011-08-02 14:35 ` Ian Lance Taylor
2011-08-03 9:12 ` Ulrich Weigand
2011-08-03 9:51 ` Georg-Johann Lay
2011-08-03 10:04 ` Richard Guenther
2011-08-03 13:27 ` Michael Matz
2011-08-03 14:02 ` Richard Guenther
2011-08-03 14:55 ` Georg-Johann Lay
2011-08-03 15:05 ` Richard Henderson
2011-08-04 0:20 ` Hans-Peter Nilsson
2011-08-04 7:29 ` Andreas Schwab
2011-08-04 13:04 ` Hans-Peter Nilsson
2011-08-04 9:51 ` Andrew Haley
2011-08-04 9:52 ` Richard Guenther
2011-08-04 11:11 ` Andrew Haley
2011-08-04 11:20 ` Richard Guenther
2011-08-04 14:46 ` Andrew Haley
2011-08-06 15:00 ` Paolo Bonzini
2011-08-08 8:06 ` Richard Guenther
2011-08-08 10:59 ` Paolo Bonzini
2011-08-02 16:03 ` Richard Henderson
2011-08-02 20:10 ` Richard Guenther
2011-08-02 17:21 ` Georg-Johann Lay
2011-08-09 16:55 ` Richard Earnshaw
2011-08-09 17:24 ` Ulrich Weigand
2011-08-09 19:48 ` Hans-Peter Nilsson
2011-08-10 0:40 ` Hans-Peter Nilsson
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