Weddington, Eric wrote:
-Original Message-
From: Paulo Marques
[...]
This gives us 13781 revisions to test. By bisecting, we should be able
to lock in on the offending patch in less than 14 attempts. A script
that automated this bisection process (checkout middle revision, test
it,
Ok,
here are my test results - same GCC as Paulo - except I have install
some patches in avr to fix some reported bugs (hence I'm testing patches)
I did NOT include Paulo's testcase patch for
gcc.c-torture/execute/builtins/pr23484-chk.c: (Paulo please state
effect on numbers for this)
Here is my list:
FAIL: gcc.c-torture/execute/20010122-1.c execution, -O0
FAIL: gcc.c-torture/execute/20010122-1.c execution, -O1
FAIL: gcc.c-torture/execute/20010122-1.c execution, -O2
FAIL: gcc.c-torture/execute/20010122-1.c execution, -O3 -g
FAIL: gcc.c-torture/execute/20010122-1.c
-Original Message-
From: John Regehr [mailto:[EMAIL PROTECTED]
Sent: Monday, January 21, 2008 8:58 PM
To: Weddington, Eric
Cc: Paulo Marques; Andrew Hutchinson;
avr-gcc-list@nongnu.org; Andy Hutchinson
Subject: RE: [avr-gcc-list] More results from the testsuite
with avrtest
Quoting Andrew Hutchinson [EMAIL PROTECTED]:
Here is my list:
[...]
FAIL: gcc.c-torture/execute/multi-ix.c compilation, -O0
FAIL: gcc.c-torture/execute/multi-ix.c compilation, -O1
FAIL: gcc.c-torture/execute/multi-ix.c compilation, -O2
FAIL: gcc.c-torture/execute/multi-ix.c compilation, -O3
That explains it!
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The bug with PR27364 testcase appears recent.
It fails with my 4.3 experimental copy 13/12/2007
Ok with avr-gcc (GCC) 4.2.2 (WinAVR 20071221)
reduced testcase is:
long f2(long number_of_digits_to_use)
{
return ( number_of_digits_to_use * 11L ) ;
}
Paulo,
please report bug with PR27364 testcase.
I found that problem is somewhere in combine phase. Here it is trying to
stick together pairs of instruction to make another. It fails but that
is where load of constant dissappears.
So if you post bug, I can add further info.
Andy
PS
Quoting Andrew Hutchinson [EMAIL PROTECTED]:
Here are my test results using Paulo simulator.
Seems I have more tests!
I'm now running from SVN, so I'm always testing the latest version,
although my initial report was for gcc 4.2.2.
One thing I noticed is that almost everyday there is a
Quoting Andrew Hutchinson [EMAIL PROTECTED]:
The bug with PR27364 testcase appears recent.
It fails with my 4.3 experimental copy 13/12/2007
Ok with avr-gcc (GCC) 4.2.2 (WinAVR 20071221)
This got me thinking: it would be really nice if we could setup an
automated bisection test.
We could
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
org] On Behalf Of Paulo Marques
Sent: Monday, January 21, 2008 5:15 PM
To: Andrew Hutchinson
Cc: avr-gcc-list@nongnu.org; Andy Hutchinson
Subject: Re: [avr-gcc-list] More results from the testsuite
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
org] On Behalf Of Paulo Marques
Sent: Monday, January 21, 2008 5:14 PM
To: Andrew Hutchinson
Cc: avr-gcc-list@nongnu.org
Subject: Re: [avr-gcc-list] More results from the testsuite
with avrtest
One
- created a sys/types.h with:
#include inttypes.h
#include stdint.h
where do I put new include file? (directory relative to prefix root)
I have updated my GCC to same rev as you.
Ok with ldflags changes
So hopefully I can re-run in sync with you.
Andy
Quoting Weddington, Eric [EMAIL PROTECTED]:
[...]
Ok, to try to synchronize with you, so that our tests are consistent,
I'm running a test against svn revision 131704 (from today).
Changes I've made so far to solve some of the failures:
- created a sys/types.h with:
#include inttypes.h
-Original Message-
From: Paulo Marques [mailto:[EMAIL PROTECTED]
Sent: Monday, January 21, 2008 6:14 PM
To: Weddington, Eric
Cc: Andrew Hutchinson; avr-gcc-list@nongnu.org
Subject: RE: [avr-gcc-list] More results from the testsuite
with avrtest
Thanks, but please bare
Ok my latest build is squawking - I assume because my binutils is out of
step.
../../../../gcc/libgcc/../gcc/config/avr/libgcc.S:283: Error: illegal
opcode mov
w for mcu avr3
To make this painless, can someone please point me at correct sources
for binutils - and assocated patch set (one
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
org] On Behalf Of Andrew Hutchinson
Sent: Monday, January 21, 2008 6:56 PM
To: Paulo Marques; avr-gcc-list@nongnu.org
Subject: Re: [avr-gcc-list] More results from the testsuite
with avrtest
Ok my latest
Quoting Andrew Hutchinson [EMAIL PROTECTED]:
- created a sys/types.h with:
#include inttypes.h
#include stdint.h
where do I put new include file? (directory relative to prefix root)
In Linux, the default dir is /usr/local/avr/include so the full path
for the file becomes
Quoting Weddington, Eric [EMAIL PROTECTED]:
Ok my latest build is squawking - I assume because my
binutils is out of
step.
../../../../gcc/libgcc/../gcc/config/avr/libgcc.S:283: Error: illegal
opcode mov
w for mcu avr3
To make this painless, can someone please point me at correct sources
for
Please see the GCC project about this. IIRC, they already have a script
that does a binary search on failing test cases. IIRC, it is in the
contrib subdirectory.
Also this Delta implementation is very useful for minimizing an offending
test program (either before or after narrowing settling
-Original Message-
From: John Regehr [mailto:[EMAIL PROTECTED]
Sent: Monday, January 21, 2008 8:58 PM
To: Weddington, Eric
Cc: Paulo Marques; Andrew Hutchinson;
avr-gcc-list@nongnu.org; Andy Hutchinson
Subject: RE: [avr-gcc-list] More results from the testsuite
with avrtest
Hi, all
I've been running the testsuite from SVN with avrtest to track down the
latest bugs. I've finally track down every failure in execute.exp, and
I'm preparing to move on to the full testsuite (I hope).
So, here's a list of all the problems so far:
FAIL:
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
org] On Behalf Of Paulo Marques
Sent: Saturday, January 19, 2008 11:27 AM
To: avr-gcc-list@nongnu.org
Subject: [avr-gcc-list] More results from the testsuite with avrtest
Hi, all
I've been running
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
org] On Behalf Of Paulo Marques
Sent: Saturday, January 19, 2008 11:27 AM
To: avr-gcc-list@nongnu.org
Subject: [avr-gcc-list] More results from the testsuite with avrtest
Hi, all
I've been running
Quoting Weddington, Eric [EMAIL PROTECTED]:
[...]
FAIL: gcc.c-torture/execute/built-in-setjmp.c execution, -O2
Now reported as bug #34879:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34879
FAIL: gcc.c-torture/execute/builtin-bitops-1.c compilation, -O0
[...]
The undefined reference to
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