[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-10-10 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 Jakub Jelinek changed: What|Removed |Added Target Milestone|5.5 |6.5 --- Comment #3 from Jakub Jelinek

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-07-25 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-07-04 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 --- Comment #2 from Segher Boessenkool --- To answer your last question (from comment 1) first: at expand time we have: d.3_10 = d; _11 = (long long unsigned int) d.3_10; c.4_12 = c; e.5_14 = e; _15 = (long long unsigned int) e.5_14;

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-07-04 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 Segher Boessenkool changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-07-04 Thread zsojka at seznam dot cz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 --- Comment #1 from Zdenek Sojka --- Created attachment 41673 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41673=edit testcase needing less compiler flags $ powerpc-unknown-linux-gnu-gcc -Og -fgcse -fweb testcase.c $ qemu-ppc ./a.out

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

2017-07-03 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 Richard Biener changed: What|Removed |Added Target Milestone|--- |5.5