On Sat, Aug 31, 2019 at 02:17:30PM -0500, Segher Boessenkool wrote: > Hi all, > > On Sat, Mar 23, 2019 at 11:46:12PM +0000, 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. > > > > CSE should really handle const calls directly, but it is stage 4. > > I am backporting this to GCC 8.
Actually, that is not trivial at all, so I'm not doing that. Segher