[llvm-commits] [llvm] r85357 - in /llvm/trunk/lib/Target/SystemZ: SystemZISelLowering.cpp SystemZInstrFP.td SystemZInstrInfo.td

[Anton Korobeynikov]

> +  // TODO: It may be better to default to latency-oriented scheduling, however
> +  // LLVM's current latency-oriented scheduler can't handle physreg definitions
> +  // such as SystemZ has with PSW, so set this to the register-pressure
> +  // scheduler, because it can.
> +  setSchedulingPreference(SchedulingForRegPressure);
Wording should be changes - it is required to schedule for latency,
since s390x is strictly in-order processor. I'm bumping the priority
of PR2344.

-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University