Re: Analyzing *-rtems* ACATS

1 msg	27_io/ios_base/storage/11584.cc failure on i686...
2 msg	march=native not precise on Sempron
8 msg	RFC: PowerPC floating point features
1 msg	gcc-4.4-20080404 is now available
3 msg	gcc-3.4.1 vs gcc-4.2.2 performance regression i...

Analyzing -rtems ACATS
\ Joel Sherrill (4 Apr 2008)
. \ Laurent GUERBY (5 Apr 2008)
. . \ Joel Sherrill (5 Apr 2008)
. . \ Joel Sherrill (7 Apr 2008)

5 msg	[OT]: Categories and proposals for awards at th...
8 msg	RFC: A new meta intrinsic header file for x86 i...
1 msg	PATCH: Change clmul/CLMUL to pclmul/PCLMUL
1 msg	Change -mclmul to -mpclmul
4 msg	How to avoid stack calling for trapoline code?
6 msg	Fusing two loops
8 msg	RFC: named address space support
1 msg	gcc-4.3-20080403 is now available
1 msg	The Linux binutils 2.18.50.0.6 is released
1 msg	Dwarf register number map for AVX registers
1 msg	Intel AVX
6 msg	Bootstrap comparison failures on i586
11 msg	Doubt about filling delay slot
2 msg	instruction scheduling PowerPC target(s)

Subject:	Re: Analyzing -rtems ACATS
Group:	Gcc
From:	Joel Sherrill
Date:	7 Apr 2008

Laurent GUERBY wrote:
> On Fri, 2008-04-04 at 15:07 -0500, Joel Sherrill wrote:
>
>
>> Beyond those, I am left with:
>>
>> ============================================
>> All targets had the following three failures:
>>
>> c64005c - "WRONG ITERATIVE TRACE LENGTH."
>> c64005d - "WRONG ITERATIVE TRACE LENGTH."
>> c953002 - "WRONG ITERATIVE TRACE LENGTH."
>>
>
> These are tests with recursion and local strings, could you
> try to run them with more stack for the main thread? (Or in some way
> look at their stack usage). I've never seen them fail on a native
> platform so this is a wild guess.
>
>
I had a stack report printed at exit(). This test only
has one Ada task which is the Ada main. So it is
only using 7360 bytes of the 100K allocated.

This is on the i386.

Stack usage by thread
ID NAME LOW HIGH CURRENT AVAILABLE USED
0x09010001 IDLE 000015E874 - 000015F873 000015F870 4080 4
0x0B010002 00001623CC - 000017B3CB 000017B3C8 102384 7360
0xFFFFFFFF INTR 000014E378 - 000014F377 0000000000 4080 176

> Laurent
>
>

--
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985