Hi Steven, On Sun, Mar 24, 2019 at 11:02:20AM +0100, Steven Bosscher wrote: > On Sun, Mar 24, 2019 at 12:46 AM Segher Boessenkool wrote: > > > > CSE does not consider calls, not even const calls. This patch puts a > > REG_EQUAL note on the pseudo we assign the __tls_get_addr result to, > > so that those pseudos can be CSE'd and the extra calls deleted as dead > > code. > > There were REG_EQUAL notes on these tls calls in the past, but I > recall removing them for one reason or another.
I cannot find this in history. History is pretty big of course, so perhaps I'm not looking at the right corner :-) > So watch out for > fall-out from this patch! ;-) Thanks for the warning! The patch doesn't change anything, in the sense that these calls were const calls before already, but yeah :-) Segher
