Add quantize_x86 and quant_mmx patch from Scott Smith.
Complete the IA32 SIMD disable logic for the motion routines (quant stuff is next). Add special tag "all" to the SIMD disable parsing to disable all SIMD stuff rather than list all 22+ names.
Authored by: sms00 2004-12-11
Parent: [r2510]
Child: [r2512]