Hello have you tried older versions of qemu, in an attempt to see if this is a recent problem?
As of about a year ago I had qemu-sparc32plus running most of SPEC2006 properly, validated against hardware perf counters. gcc definitely worked. I had issues with calculix, dealII, soplex, wrf, zeusmp and astar but the rest all worked and gave retired instruction counts close to that of real hardware. I can probably look up what version of qemu I used for that work. Vince
