Sunstudio11 for x86 installation failure

why except the last one listed ,othres can not be installed on the x86 platform with Solaris 10 OS. Exactly , i follow the instruction ,but i can not find the directory SUNWspro?Thank u in advance!
[218 byte] By [Never_Be_Tired] at [2007-11-26 9:34:56]
# 1
Well, if installation went OK, SUNWspro should be in /opt.For example[code]$ which CC/opt/SUNWspro/bin/CC[/code]
MaximKartashev at 2007-7-7 0:24:53 > top of Java-index,Development Tools,Solaris and Linux Development Tools...