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From: "sebastian dot huber at embedded-brains dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/38644] Optimization flag -O1 -fschedule-insns2 causes wrong code
Date: Thu, 12 Aug 2010 08:19:00 -0000 [thread overview]
Message-ID: <20100812081905.28913.qmail@sourceware.org> (raw)
In-Reply-To: <bug-38644-17122@http.gcc.gnu.org/bugzilla/>
------- Comment #18 from sebastian dot huber at embedded-brains dot de 2010-08-12 08:19 -------
This bug is still present in GCC 4.6.0 20100807 (arm-eabi-gcc -O1
-fschedule-insns2 -mthumb):
readStream:
push {r4, lr}
sub sp, sp, #8
mov r4, sp
mov r3, #0
strb r3, [r4, #7]
add r4, r4, #7
ldr r3, [r0]
mov r1, r4
mov r2, #1
bl doStreamReadBlock
add sp, sp, #8
ldrb r0, [r4]
@ sp needed for prologue
pop {r4}
pop {r1}
bx r1
.size readStream, .-readStream
.ident "GCC: (GNU) 4.6.0 20100807 (experimental)"
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38644
next prev parent reply other threads:[~2010-08-12 8:19 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-27 22:11 [Bug c/38644] New: " davejmurphy at me dot com
2008-12-27 22:11 ` [Bug c/38644] " davejmurphy at me dot com
2009-03-17 0:03 ` [Bug target/38644] " rearnsha at gcc dot gnu dot org
2009-11-23 16:42 ` pinskia at gcc dot gnu dot org
2009-12-21 21:47 ` pinskia at gcc dot gnu dot org
2009-12-22 11:16 ` [Bug rtl-optimization/38644] " rearnsha at gcc dot gnu dot org
2009-12-22 11:38 ` steven at gcc dot gnu dot org
2009-12-22 11:58 ` rearnsha at gcc dot gnu dot org
2009-12-22 12:07 ` jakub at gcc dot gnu dot org
2009-12-22 13:33 ` rearnsha at gcc dot gnu dot org
2009-12-22 14:08 ` steven at gcc dot gnu dot org
2009-12-22 14:35 ` cwang at rossvideo dot com
2009-12-22 14:58 ` pinskia at gcc dot gnu dot org
2010-05-13 14:22 ` pinskia at gcc dot gnu dot org
2010-05-17 9:05 ` sebastian dot huber at embedded-brains dot de
2010-05-26 12:44 ` mikpe at it dot uu dot se
2010-06-06 19:17 ` mikpe at it dot uu dot se
2010-06-10 7:14 ` sebastian dot huber at embedded-brains dot de
2010-08-12 8:19 ` sebastian dot huber at embedded-brains dot de [this message]
2010-08-12 10:00 ` [Bug rtl-optimization/38644] [4.3/4.4/4.5/4.6 Regression] " steven at gcc dot gnu dot org
2010-08-12 10:01 ` steven at gcc dot gnu dot org
2010-08-12 10:08 ` steven at gcc dot gnu dot org
2010-08-12 10:12 ` amonakov at gcc dot gnu dot org
2010-08-12 11:37 ` steven at gcc dot gnu dot org
2010-08-12 11:48 ` jakub at gcc dot gnu dot org
2010-08-12 12:00 ` amonakov at gcc dot gnu dot org
2010-08-12 12:04 ` rguenth at gcc dot gnu dot org
2010-08-12 12:13 ` rearnsha at gcc dot gnu dot org
2010-08-12 12:26 ` jakub at gcc dot gnu dot org
2010-08-12 12:31 ` rearnsha at gcc dot gnu dot org
2010-08-30 15:48 ` rguenth at gcc dot gnu dot org
2010-08-30 18:59 ` mikpe at it dot uu dot se
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