>>> Joerg Sonnenberger <jo...@bec.de> wrote > On Fri, Apr 05, 2019 at 12:15:41PM +0000, Takeshi Nakayama wrote: > > Module Name: src > > Committed By: nakayama > > Date: Fri Apr 5 12:15:41 UTC 2019 > > > > Modified Files: > > src/sys/arch/sparc64/include: psl.h > > > > Log Message: > > Put "memory" to asm inline reading privilege registers for clang to > > prevent it from being removed by excessive optimization. > > Why excessive optimization? With the the clobber or volatile, the asm > statement is declared to be removable.
With? Without? Excessive may be overstated, but in the case of gcc it is not removed, so I thought so. -- Takeshi Nakayama
