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. Joerg
