https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84902
Bug ID: 84902
Summary: 549.fotonik3d_r from SPEC2017 fails verification with
-Ofast -march=native on Zen since r258518
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jkoval at gcc dot gnu.org
Blocks: 26163
Target Milestone: ---
I see following miscomparison:
running commands in inputgen.cmd 1 times
runs started at 1521207795, 636877000, Fri Mar 16 14:43:15 2018
run 1 started at 1521207795, 636898000, Fri Mar 16 14:43:15 2018
child started: 0, 1521207795, 636903000, pid=30449,
'/home/marxin/Programming/spec2017/bin/specxz -dc OBJ.dat.xz > OBJ.dat 2>>
OBJ.dat.gen.err'
child finished: 0, 1521207795, 734527000, sec=0, nsec=97624000, pid=30449,
rc=0
run 1 finished at: 1521207795, 734539000, Fri Mar 16 14:43:15 2018
run 1 elapsed time: 0, 097641000, 0.097641000
runs finished at 1521207795, 734561000, Fri Mar 16 14:43:15 2018
runs elapsed time: 0, 097684000, 0.097684000
specinvoke exit: rc=0
****************************************
****************************************
Contents of pscyee.out
****************************************
POWER =
2.13245044634327E-42 2.18335817864374E-42 2.23536714661881E-42
2.28848954325784E-42 2.34273492068948E-42 2.39811037362244E-42
2.45462082938153E-42 2.51226943651830E-42 2.57105803986167E-42
2.63098772608779E-42 2.69205942058956E-42 2.75427451375589E-42
2.81763549285857E-42 2.88214655468550E-42 2.94781417392922E-42
3.01464760317226E-42 3.08265928211053E-42 3.15186513638627E-42
3.22228474999077E-42 3.29394139953691E-42 3.36686194365177E-42
3.44107656613199E-42 3.51661837714837E-42 3.59352288247325E-42
3.67182733621929E-42 3.75156999770401E-42 3.83278931758194E-42
3.91552308212080E-42 3.99980754727110E-42 4.08567659584874E-42
4.17316095161727E-42 4.26228748325843E-42 4.35307862914409E-42
4.44555197050035E-42 4.53971997607133E-42 4.63558993586830E-42
4.73316409520551E-42 4.83243999318331E-42 4.93341100232309E-42
5.03606705845099E-42 5.14039556244574E-42 5.24638242839164E-42
5.35401324628705E-42 5.46327452200919E-42 5.57415495295979E-42
5.68664669491003E-42 5.80074657417463E-42 5.91645719947773E-42
6.03378792976593E-42 6.15275565776239E-42 6.27338537416162E-42
6.39571048389881E-42 6.51977285369908E-42 6.64562257887563E-42
6.77331746681349E-42 6.90292224442983E-42 7.03450750679656E-42
...
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)
