That same table lists sparc32 as "testing" and sparc64 as "dev only", yet QEMU compiles just fine on Solaris 10 , and I've used it (win 2k) without any issues at all. The status information in that table is surely outdated.
Sitting in a room.....thinkin' shit up.
400MHz R12k - Dual 550MHz PIII - Apple G4 Cube dual 500MHz/GF6200 - Newton Messagepad 2100 - Apple PowerBook 2400c/G3@240 - DECstation5000/133 - Apple Workgroup Server 9150/120 G3@280 - Apple Macintosh IIfx - Apple Macintosh Color Classic (Mystic upgrade) - Sun Cobalt Cube 3 - Tadpole RDI UltraBook IIi - Digital HiNote Ultra II - HP 200LX
400MHz R12k - Dual 550MHz PIII - Apple G4 Cube dual 500MHz/GF6200 - Newton Messagepad 2100 - Apple PowerBook 2400c/G3@240 - DECstation5000/133 - Apple Workgroup Server 9150/120 G3@280 - Apple Macintosh IIfx - Apple Macintosh Color Classic (Mystic upgrade) - Sun Cobalt Cube 3 - Tadpole RDI UltraBook IIi - Digital HiNote Ultra II - HP 200LX