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. brgds, H-P
