On 12/27/2012 12:08 AM, Uros Bizjak wrote: > The alternative approach is changing cpuid definition in cpuid.h (as > in attached patch) to preserve %rbx, but we can't detect various code > model settings there. Since the change depends on the definition of > __PIC__, we unnecessary preserve %rbx also for -mcmodel=small.
Certainly we can. We also control the preprocessor defines. All that's needed is that we create one for the code model. r~
