https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77471
Bug ID: 77471
Summary: -O3 -g comile time hog on ppc64le
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Host: powerpc64le-unknown-linux-gnu
Target: powerpc64le-unknown-linux-gnu
Build: powerpc64le-unknown-linux-gnu
Created attachment 39546
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39546&action=edit
unreduced testcase
On ppc64le I see:
trippels@gcc2-power8 linux-4.7.2 % time gcc -O2 -g -c qla_dbg.i
gcc -O2 -g -c qla_dbg.i 1.81s user 0.02s system 99% cpu 1.827 total
trippels@gcc2-power8 linux-4.7.2 % time gcc -O3 -c qla_dbg.i
gcc -O3 -c qla_dbg.i 5.65s user 0.04s system 99% cpu 5.686 total
trippels@gcc2-power8 linux-4.7.2 % time gcc -O3 -g -c qla_dbg.i
gcc -O3 -g -c qla_dbg.i 86.01s user 0.15s system 99% cpu 1:26.16 total
Happens with all supported gcc versions and also for gcc-4.9.
