http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
Georg-Johann Lay gjl at gcc dot gnu.org changed:
What|Removed |Added
CC|avr at gjlay dot de |gjl at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
Georg-Johann Lay gjl at gcc dot gnu.org changed:
What|Removed |Added
Known to work|4.5.0 |
Known to
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
--- Comment #12 from Ilya Lesokhin ilya.lesokhin at gmail dot com 2011-05-21
14:47:33 UTC ---
Created attachment 24319
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=24319
simple test case
i belive this is the same bug.
the problem occurs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
--- Comment #11 from Georg-Johann Lay gjl at gcc dot gnu.org 2011-04-14
18:50:15 UTC ---
Author: gjl
Date: Thu Apr 14 18:50:02 2011
New Revision: 172442
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=172442
Log:
PR target/46779
PR
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
Georg-Johann Lay avr at gjlay dot de changed:
What|Removed |Added
CC||avr at gjlay dot de
--- Comment #9 from eric dot weddington at atmel dot com 2010-09-20 03:03
---
Closing as fixed in 4.5.0.
--
eric dot weddington at atmel dot com changed:
What|Removed |Added
--- Comment #4 from hutchinsonandy at gcc dot gnu dot org 2009-11-01 17:24
---
The problem is still present on 4.3.5 head
I cannot reproduce on 4.5
It looks like reload issue with SUBREG.
Instruction 18 gets reloaded. The output reload is HImode. I will post dump
files but here is
--- Comment #5 from hutchinsonandy at gcc dot gnu dot org 2009-11-01 17:27
---
Created an attachment (id=18945)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18945action=view)
dump file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
--- Comment #6 from hutchinsonandy at gcc dot gnu dot org 2009-11-01 17:27
---
Created an attachment (id=18946)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18946action=view)
dump file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
--- Comment #7 from eric dot weddington at atmel dot com 2009-11-01 17:44
---
(In reply to comment #4)
The problem is still present on 4.3.5 head
I cannot reproduce on 4.5
Can someone check this to see if bug exists on any 4.4.x?
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eric dot weddington at atmel dot com changed:
--- Comment #8 from hutchinsonandy at gcc dot gnu dot org 2009-11-02 00:54
---
The problem seems related to use of R28+r29 - which is also frame pointer.
avr_hard_regno_mode_ok allows R28 in HIMODE but not any other mode. (This hack
was made to avoid reload problem where r29 was used
--- Comment #1 from hutchinsonandy at gcc dot gnu dot org 2009-10-31 23:02
---
Please post entire assembler code.
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hutchinsonandy at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #2 from j at uriah dot heep dot sax dot de 2009-10-31 23:10
---
Created an attachment (id=18944)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18944action=view)
Full assembler code I get from GCC 4.3.2
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41894
--- Comment #3 from j at uriah dot heep dot sax dot de 2009-10-31 23:11
---
The bug was originally reported in the (Germany-language) mikrocontroller.net
forum, and I confirmed the bug on my local GCC 4.3.2 setup before asking
Frank to submit it as an official bug report.
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eric dot weddington at atmel dot com changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
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