http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56077
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |abel at gcc dot gnu.org, | |jakub at gcc dot gnu.org, | |vmakarov at gcc dot gnu.org Target Milestone|--- |4.6.4 Summary|volatile ignored when |[4.6/4.7/4.8 Regression] |function inlined |volatile ignored when | |function inlined --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-24 12:30:54 UTC --- This (for -O2) regressed with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139854 (for -O -fschedule-insns2 it regressed later, when fwprop got added for -O1). r139854 added sel-sched support, but I believe it wasn't (and isn't) the default scheduler on x86_64/i?86, thus clearly the branch merge must have affected also behavior of the normal scheduler.