Hans-Peter Nilsson writes: > On Mon, 1 Aug 2011, Richard Henderson wrote: > > > On 08/01/2011 01:30 PM, Michael Walle wrote: > > > 1) function inlining > > > 2) deferred argument evaluation > > > 3) because our target has no barrel shifter, (arg >> 10) is emitted as a > > > function call to libgcc's __ashrsi3 (_in place_!) > > > 4) BAM! dead code elimination optimizes r8 assignment away because calli > > > may clobber r1-r10 (callee saved registers on lm32). > > > > I'm afraid the only solution I can think of is to force F1 out-of-line. > > Or another temporary - but the parameter should already have > that effect.
It should, but doesn't. See PR48863 for similar breakage on ARM. /Mikael
