Re: Don't run DSE at -Og

2019-07-08 Thread Richard Sandiford
Richard Biener writes: > On Sun, Jul 7, 2019 at 9:04 PM Jeff Law wrote: >> >> On 7/7/19 3:43 AM, Richard Sandiford wrote: >> > This patch stops gimple and rtl DSE from running by default at -Og. >> > The idea is both to improve compile time and to stop us from deleting >> > stores that we can't t

Re: Don't run DSE at -Og

2019-07-08 Thread Richard Biener
On Sun, Jul 7, 2019 at 9:04 PM Jeff Law wrote: > > On 7/7/19 3:43 AM, Richard Sandiford wrote: > > This patch stops gimple and rtl DSE from running by default at -Og. > > The idea is both to improve compile time and to stop us from deleting > > stores that we can't track in debug info. > > > > We

Re: Don't run DSE at -Og

2019-07-07 Thread Jeff Law
On 7/7/19 3:43 AM, Richard Sandiford wrote: > This patch stops gimple and rtl DSE from running by default at -Og. > The idea is both to improve compile time and to stop us from deleting > stores that we can't track in debug info. > > We could rein this back in future for stores to local variables

Don't run DSE at -Og

2019-07-07 Thread Richard Sandiford
This patch stops gimple and rtl DSE from running by default at -Og. The idea is both to improve compile time and to stop us from deleting stores that we can't track in debug info. We could rein this back in future for stores to local variables with is_gimple_reg_type, but at the moment we don't ha