[PATCH] ASan phase place change

[Marat Zakirov]

Hi all!

Here is simple patch that moves asan phase just behind sanopt for all O0/O1/O2/O3 modes which gives +7% on x86 SPEC2006 (ref dataset). Regression testing and sanitized GCC bootstrapping were successfully done.

Performance data attached.

--Marat

-------------- next part --------------
                        PATCH       REF        PERCENT
400.perlbench            1319       1334       1.14%
401.bzip2                700        718        2.57%
403.gcc                  586        618        5.46%
429.mcf                  435        521        19.77%
445.gobmk                720        750        4.17%
456.hmmer                815        816        0.12%
458.sjeng                890        919        3.26%
462.libquantum           327        347        6.12%
464.h264ref              1353       1600       18.26%
471.omnetpp              738        730        -1.08%
473.astar                536        544        1.49%
483.xalancbmk            544        615        13.05%
410.bwaves               1939       1938       -0.05%
416.gamess               3201       3202       0.03%
433.milc                 419        540        28.88%
434.zeusmp               1641       1641       0.00%
435.gromacs              923        938        1.63%
436.cactusADM            2970       2973       0.10%
437.leslie3d             1564       1588       1.53%
444.namd                 484        490        1.24%
447.dealII               591        676        14.38%
450.soplex               320        348        8.75%
453.povray               322        328        1.86%
459.GemsFDTD             1921       1950       1.51%
465.tonto                1621       1641       1.23%
470.lbm                  252        337        33.73%
482.sphinx3              656        943        43.75%
GEOMEAN                                        7.07%

-------------- next part --------------
A non-text attachment was scrubbed...
Name: mavdt-153_3.diff
Type: text/x-patch
Size: 5148 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20150220/a83111fe/attachment.bin>