Re: Dependence analysis with section anchors?

2020-11-24 Thread Marius Hillenbrand via Gcc
On 11/23/20 12:04 PM, Richard Biener wrote: > On Mon, Nov 23, 2020 at 10:53 AM Marius Hillenbrand via Gcc > wrote: >> >> Hi, >> >> Digging into a test case failure with section anchors, I found >> dependence analysis return false negatives, leading to bad op

Dependence analysis with section anchors?

2020-11-23 Thread Marius Hillenbrand via Gcc
Hi, Digging into a test case failure with section anchors, I found dependence analysis return false negatives, leading to bad optimization by cse1. Two variables are synthetically constructed aliases. One is addressed relative to the section anchor and the other using a symbol ref, yet write_depen