------- Comment #19 from ubizjak at gmail dot com  2007-12-10 11:14 -------
I have tried with mmbenchs.tar.gz [1] from PR 27827:

TYPE=double:
gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math -fno-tree-reassoc:
atlasmm       60   1000       0.188     2297.73
gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math
atlasmm       60   1000       0.284     1521.04

TYPE=float:
gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math -fno-tree-reassoc
atlasmm       60   1000       0.168     2571.28
gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math
atlasmm       60   1000       0.304     1420.96

gcc version 4.3.0 20071210 (experimental) [trunk revision 130738] (GCC) 

Family: 15 Model: 4 Stepping: 10 Type: 0 Brand: 0
CPU Model: Pentium 4 D (Foster) Original OEM
Processor name string: Intel(R) Xeon(TM) CPU 3.60GHz

Please note that CPU runs in 32bit mode.

[1] http://gcc.gnu.org/bugzilla/attachment.cgi?id=12020


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855

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