Bug 51110 - Intel pentium G9650 (core i5) identified as core i7
Summary: Intel pentium G9650 (core i5) identified as core i7
Status: UNCONFIRMED
Alias: None
Product: gcc
Classification: Unclassified
Component: target (show other bugs)
Version: 4.6.2
: P3 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-11-12 21:18 UTC by Alex van Hout
Modified: 2014-02-05 21:00 UTC (History)
0 users

See Also:
Host:
Target:
Build:
Known to work:
Known to fail:
Last reconfirmed:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Alex van Hout 2011-11-12 21:18:56 UTC 
Pentium G9650 is identiefied as corei7 by march=native

For G9650 being corei5 see: http://download.intel.com/design/processor/datashts/322910.pdf

For identification used the following lines:

uname -a
ouput:
Linux MYSERVERNAME 3.0.8 #1 SMP Wed Nov 9 12:13:59 CET 2011 x86_64 Intel(R) Pentium(R) CPU        G6950  @ 2.80GHz GenuineIntel GNU/Linux

_AND_

echo 'int main(){return 0;}' > test.c && gcc -v -Q -march=native -O2 test.c -o test && rm test.c test

output:
.....
GNU C (GCC) version 4.6.2 (x86_64-slackware-linux)
        compiled by GNU C version 4.6.2, GMP version 5.0.1, MPFR version 3.0.1, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
options passed:  -v test.c -march=corei7 -mcx16 -msahf -mno-movbe -mno-aes
......


Regards,
Alex