http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|4.4.6 |4.4.7
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
--- Comment #17 from Artem S. Tashkinov t.artem at mailcity dot com
2011-01-31 21:46:29 UTC ---
At least on i686 platform the difference is marginal (GCC flags: -O2
-march=pentium-m -fomit-frame-pointer, Intel Core Gen 2 CPU):
GCC 3.4.6
real
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|4.4.5 |4.4.6
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|4.4.4 |4.4.5
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|4.4.3 |4.4.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|4.4.2 |4.4.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Keywords||missed-optimization
Priority|P3
--- Comment #16 from ami_stuff at o2 dot pl 2009-09-10 12:58 ---
cputime minigzip_412_O1 testa.tif - 34.336
cputime minigzip_412_O2 testa.tif - 34.499
cputime minigzip_412_O3 testa.tif - 34.257
cputime minigzip_425_O1 testa.tif - 36.474
cputime minigzip_425_O2 testa.tif - 35.650
--- Comment #15 from ami_stuff at o2 dot pl 2009-09-07 19:22 ---
GCC 4.4.2 - GCC 4.4.2 (20090825).
GCC 4.5.0 - GCC 4.5.0 (20090827).
Here are the results:
cputime minigzip_340_O1 testa.tif - 33.917
cputime minigzip_340_O2 testa.tif - 30.868
cputime minigzip_340_O3 testa.tif - 31.304
--- Comment #14 from bonzini at gnu dot org 2009-09-03 07:27 ---
Can you also try with 4.5?
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bonzini at gnu dot org changed:
What|Removed |Added
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