On Wed, 2012-11-14 at 18:51 +0100, Andreas Tobler wrote: > Hello, > > on trunk (193501) I get a comparison failure: > --- > Bootstrap comparison failure! > gcc/tree-ssa-forwprop.o differs > --- > > This is with --disable-checking. Leaving disable-checking away, the > bootstrap completes succesfully.
I just fired off a --disable-checking build and I see the same thing on powerpc64-linux. > - 9658: e8 89 00 09 ldu r4,8(r9) > - 965c: 39 08 00 01 addi r8,r8,1 > + 9658: 39 08 00 01 addi r8,r8,1 > + 965c: e8 89 00 09 ldu r4,8(r9) Looks like a harmless scheduling difference, but enough trigger the stage2/stage3 comparison. :( Peter