--- Comment #1 from eweddington at cso dot atmel dot com 2007-05-02 20:34
---
This must be specific to RTEMS/newlib, as 4.2.0-20070430 (RC2) builds without
error with:
CFLAGS=-D__USE_MINGW_ACCESS \
../gcc-$version/configure \
--prefix=$installdir \
--target=avr \
--enable
--- Comment #4 from eweddington at cso dot atmel dot com 2007-05-03 13:05
---
Subject: RE: error: unable to find a register to spill in
class 'BASE_POINTER_REGS'
> --- Comment #2 from ralf_corsepius at rtems dot org
> 2007-05-03 10:27 ---
> I can als
--- Comment #8 from eweddington at cso dot atmel dot com 2007-05-03 16:40
---
Confirmed. Code snippet fails for 4.1.2 when compiling for -O2 and -O3. Note
that compiling with -O[0,1,s] is successful.
Changing target to all avr.
--
eweddington at cso dot atmel dot com changed
--- Comment #2 from eweddington at cso dot atmel dot com 2007-05-03 16:56
---
Confirmed on GCC 4.1.2.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #1 from eweddington at cso dot atmel dot com 2007-05-03 17:06
---
Confirmed. Also fails for 4.1.2.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #9 from eweddington at cso dot atmel dot com 2007-05-04 16:06
---
>From Bjoern Haase:
Hi all,
I think that we could resolve this ICE by adding an unnamed pattern like
(define_insn "*strangeMovhi"
[(set (mem:HI (plus:HI (reg:HI 28)
--- Comment #25 from eweddington at cso dot atmel dot com 2007-05-20 16:22
---
Subject: RE: Implement binary constants with a "0b"
prefix
>
> --- Comment #24 from manu at gcc dot gnu dot org
> 2007-05-19 16:21 ---
> Joerg,
>
> any news a
--- Comment #16 from eweddington at cso dot atmel dot com 2007-05-21 17:03
---
Fails with 4.1.2.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #17 from eweddington at cso dot atmel dot com 2007-05-21 17:09
---
Fails on 4.2.0.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #18 from eweddington at cso dot atmel dot com 2007-05-21 17:17
---
Using the target specific option -mno-tablejump fixes the bug for 4.1.2 and
4.2.0.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19636
--- Comment #20 from eweddington at cso dot atmel dot com 2007-05-22 14:24
---
Subject: RE: ICEs on compilation of ada support library for
avr
> -Original Message-
> From: charlet at gcc dot gnu dot org
> [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, May 22,
--- Comment #2 from eweddington at cso dot atmel dot com 2007-05-30 18:09
---
Fails with 4.3-20070525, and with 4.2.0, with same error, but line 54 in
rtlhooks.c.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #19 from eweddington at cso dot atmel dot com 2007-05-30 18:59
---
Testcase succeeds with 4.3-20070525, with all -O settings. Changing target
milestone to 4.3.0, lowering priority.
--
eweddington at cso dot atmel dot com changed:
What|Removed
--- Comment #5 from eweddington at cso dot atmel dot com 2007-05-30 19:23
---
Bug still present in 4.2.0, and 4.3-20070525.
To test bug (fixed from last comment):
avr-gcc -Os shifty3.i -o shifty3.o
avr-objdump -d shifty3.o > shifty3.dis
Compare output.
--
eweddington at cso
--- Comment #3 from eweddington at cso dot atmel dot com 2007-05-30 19:34
---
Testcase fails for 4.2.0 and 4.3-20070525.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #10 from eweddington at cso dot atmel dot com 2007-05-30 20:09
---
Test case fails for 4.3-20070525.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #4 from eweddington at cso dot atmel dot com 2007-05-30 20:29
---
Marking this bug as duplicate of bug #27386 because that bug has reduced test
case and more analysis.
*** This bug has been marked as a duplicate of 27386 ***
--
eweddington at cso dot atmel dot com
--- Comment #11 from eweddington at cso dot atmel dot com 2007-05-30 20:29
---
*** Bug 21834 has been marked as a duplicate of this bug. ***
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #10 from eweddington at cso dot atmel dot com 2007-05-30 20:40
---
Fails for 4.3-20070525
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #37 from eweddington at cso dot atmel dot com 2007-05-30 20:54
---
test.c fails in 4.2.0 for -Os only, -O[0123] works.
test.c succeeds for 4.3-20070525 for all -O[0123s].
--
eweddington at cso dot atmel dot com changed:
What|Removed
--- Comment #38 from eweddington at cso dot atmel dot com 2007-05-30 20:59
---
termios.c successful for 4.2.0, 4.3-20070525, for all -Ox.
arpcache.i successful for 4.2.0, 4.3-20070525, for all -Ox.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18251
--- Comment #4 from eweddington at cso dot atmel dot com 2007-05-30 22:18
---
f32.c succeeds for
4.1.2, -O[0123s]
4.2.0, -O[0123s]
4.3-20070525, -O[0123s]
Lowering priority.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #9 from eweddington at cso dot atmel dot com 2007-05-30 22:40
---
Testing for bug:
- r19 is modified, but not saved
avr-gcc -c -O1 bug.i -funroll-loops:
- fails with 4.2.0
- succeeds with 4.3-20070525
avr-gcc -c -O1 bug.i:
- succeeds with 4.2.0
--
eweddington at cso
--- Comment #1 from eweddington at cso dot atmel dot com 2007-05-30 23:20
---
Also fails -O0 in latest 4.3 HEAD:
http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01434.html
but -O0 still passes in 4.2.1 20070525:
http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01304.html
--
http
--- Comment #4 from eweddington at cso dot atmel dot com 2007-06-10 16:43
---
This looks like a duplicate of bug #31786. Closing this bug as #31786 has more
analysis in the comments and is confirmed.
*** This bug has been marked as a duplicate of 31786 ***
--
eweddington at cso
--- Comment #11 from eweddington at cso dot atmel dot com 2007-06-10 16:43
---
*** Bug 24894 has been marked as a duplicate of this bug. ***
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #12 from eweddington at cso dot atmel dot com 2007-06-10 16:50
---
According to a comment in duplicate bug #24894, bug #19636 may be related.
Ralf, can you try the test case using a 4.3 snapshot?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31786
--- Comment #2 from eweddington at cso dot atmel dot com 2007-06-18 22:00
---
Created an attachment (id=13733)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13733&action=view)
Patch to fix bug, written by Anatoly Sokolov
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31331
--- Comment #3 from eweddington at cso dot atmel dot com 2007-06-18 22:01
---
The attached patch, written by Anatoly Sokolov, fixes the bug.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #2 from eweddington at cso dot atmel dot com 2007-06-23 15:39
---
Works for me with gcc 4.2.0 and binutils 2.17.
Andreas, what version of binutils are you using?
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #4 from eweddington at cso dot atmel dot com 2007-06-28 19:48
---
Closing bug as WORKSFORME.
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
Target Milestone|--- |4.2.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31331
--- Comment #3 from eweddington at cso dot atmel dot com 2007-11-01 17:28
---
Created an attachment (id=14454)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14454&action=view)
Preprocessed testcase.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33970
--- Comment #4 from eweddington at cso dot atmel dot com 2007-11-01 17:45
---
Created an attachment (id=14455)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14455&action=view)
Assembly output of test case using 4.1.2.
Maybe I'm wrong, but I don't even see it
--- Comment #5 from eweddington at cso dot atmel dot com 2007-11-01 17:47
---
Mike, can you provide additional information as to where the bug is?
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
--- Comment #7 from eweddington at cso dot atmel dot com 2007-11-04 23:28
---
With Mike's description in comment #6, confirmed on 4.1.2 and 4.2.2. AVR GCC
4.2.2 is worse than 4.1.2, in that even if sub2 is called with (x+1), the
variable is still 16 bits.
--
eweddington at cs
--
eweddington at cso dot atmel dot com changed:
What|Removed |Added
Status|WAITING |NEW
Ever Confirmed|0 |1
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