[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

2016-08-01 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722 acsawdey at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

2016-07-02 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722 --- Comment #4 from Bill Schmidt --- Another possibility is all the vperm instructions, as this is little endian and we might expect to see vpermr on occasion. That's hard to tell without digging deeper.

[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

2016-07-01 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722 Bill Schmidt changed: What|Removed |Added CC||meissner at gcc dot gnu.org --- Comment

[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

2016-07-01 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722 --- Comment #2 from acsawdey at gcc dot gnu.org --- adding -mno-power9-dform-vector does not help this one. So, likely not dform-vector related.

[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

2016-06-30 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722 --- Comment #1 from acsawdey at gcc dot gnu.org --- Created attachment 38809 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38809=edit generated asm