[Bug tree-optimization/91732] Adding omp simd pragma prevents vectorization

2019-09-11 Thread jed at 59A2 dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91732 --- Comment #3 from Jed Brown --- > why not use gsym[Q*2*j+i] instead of g[j][0] and similarly gsym[Q*2-j*Q+i] > instead of g[j][1]? The pattern here is that gsym is packed storage of a symmetric 2x2 matrix, while g unpacks it so that inner loo

[Bug tree-optimization/91732] Adding omp simd pragma prevents vectorization

2019-09-11 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91732 Jakub Jelinek changed: What|Removed |Added CC||jamborm at gcc dot gnu.org --- Comment #

[Bug tree-optimization/91732] Adding omp simd pragma prevents vectorization

2019-09-11 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91732 Richard Biener changed: What|Removed |Added Keywords||missed-optimization, openmp