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Subject: [Bug tree-optimization/53726] [4.8 Regression] aes test performance drop for eembc_2_0_peak_32
Date: Thu, 21 Jun 2012 12:47:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53726

--- Comment #19 from Vladimir Yakovlev <vbyakovl23 at gmail dot com> 2012-06-21 12:46:11 UTC ---
(In reply to comment #13)
> (In reply to comment #10)
> > I've tried without static. Runtimes is still the same.
> 
> It doesn't match what I saw.  On Atom D510:
> 
> /export/gnu/import/git/gcc-regression/master/188261/usr/bin/gcc -ansi -O3
> -ffast-math -msse2 -mfpmath=sse -m32   -march=atom m.c test.c -o new
> time ./new
> ./new  58.46s user 0.00s system 99% cpu 58.479 total
> /export/gnu/import/git/gcc-regression/master/188259/usr/bin/gcc -ansi -O3
> -ffast-math -msse2 -mfpmath=sse -m32   -march=atom m.c test.c -o old
> time ./old
> ./old  58.38s user 0.00s system 99% cpu 58.490 total

I rechecked there is no regression without static on Sundy Bridge nor Atom.