[Bug target/70574] [5/6 Regression] wrong code with -mavx2, read of partially initialised stack variable

2016-04-08 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70574 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Fri Apr 8 17:21:17 2016 New Revision: 234833 URL: https://gcc.gnu.org/viewcvs?rev=234833&root=gcc&view=rev Log: PR rtl-optimization/70574 * fwprop.c (forward_propagate_an

[Bug target/70574] [5/6 Regression] wrong code with -mavx2, read of partially initialised stack variable

2016-04-07 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70574 --- Comment #2 from Jakub Jelinek --- Actually, I believe the bug is already at fwprop1. We have: (insn 247 246 18 2 (set (reg:DI 301 [ u128_0 ]) (const_int 0 [0])) pr70574.c:7 85 {*movdi_internal} (nil)) (insn 18 247 19 2 (set (reg:

[Bug target/70574] [5/6 Regression] wrong code with -mavx2, read of partially initialised stack variable

2016-04-07 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70574 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|