On Thu, Jan 15, 2009 at 01:30:37PM -0800, Andrew Morton wrote: > > My sparc64 gcc-3.4.5 cross-compiler has decided to start emitting calls > to ____ilog2_NaN, due to > > eq_context->log_eq_size = ilog2(eq->nent); > > in drivers/net/mlx4/eq.c. There's another reference coming out of > drivers/net/mlx4/srq.s. > > I guess this is a gcc bug - it's gone and decided that > __builtin_constant_p(eq->nent) is true :( > > We've had this __builtin_constant_p() bogon occur before now - it > happened with one or two kmalloc() callsites on x86 for some gcc > versions, but we seemed to make it go away by some means. Googled a bit. Seems to be influenced by use of -Os versus -O2. Sam -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
