Description of problem:
Valgrind raises a SIGILL when an sse2 instruction on Fedora 13 i686. Since it hasn't been rebuilt since F12, it probably just needs rebuilt to work again. Unfortunately, no x86_64 machines (yet) with F13 to test there.

Version-Release number of selected component (if applicable):
valgrind-3.5.0-14.fc12.i686

How reproducible:
Always.

Steps to Reproduce:
 vex x86->IR: unhandled instruction bytes: 0x66 0x66 0x2E 0xF
 ==19334== valgrind: Unrecognised instruction at address 0x4351bd5.
 ==19334== Your program just tried to execute an instruction that Valgrind
 ==19334== did not recognise.  There are two possible reasons for this.
 ==19334== 1. Your program has a bug and erroneously jumped to a non-code
 ==19334==    location.  If you are running Memcheck and you just saw a
 ==19334==    warning about a bad jump, it's probably your program's fault.
 ==19334== 2. The instruction is legitimate but Valgrind doesn't handle it,
 ==19334==    i.e. it's Valgrind's fault.  If you think this is the case or
 ==19334==    you are not sure, please let us know and we'll try to fix it.
 ==19334== Either way, Valgrind will now raise a SIGILL signal which will
 ==19334== probably kill your program
 ==19334== 
 ==19334== Process terminating with default action of signal 4 (SIGILL)
 ==19334==  Illegal opcode at address 0x4351BD5
 ==19334==    at 0x4351BD5: __memset_sse2 (in /lib/libc-2.11.90.so)
 ==19334==    by 0x4656252: PR_CallOnce (in /lib/libnspr4.so)
 ==19334==    by 0x459B47B: ??? (in /lib/libfreebl3.so)
 ==19334==    by 0x457A55A: ??? (in /lib/libfreebl3.so)
 ==19334==    by 0x460BC62: ??? (in /usr/lib/libsoftokn3.so)
 ==19334==    by 0x45EDE81: ??? (in /usr/lib/libsoftokn3.so)
 ==19334==    by 0x45EE12D: ??? (in /usr/lib/libsoftokn3.so)
 ==19334==    by 0x4465592: ??? (in /usr/lib/libnss3.so)
 ==19334==    by 0x4465E72: ??? (in /usr/lib/libnss3.so)
 ==19334==    by 0x447A01E: SECMOD_LoadModule (in /usr/lib/libnss3.so)
 ==19334==    by 0x447A19E: SECMOD_LoadModule (in /usr/lib/libnss3.so)
 ==19334==    by 0x4446002: ??? (in /usr/lib/libnss3.so)