On Wed, Feb 03, 2010 at 11:06:49AM -0800, H.J. Lu wrote: > x86 has ah, al, ax, eax, rax and will have xmm and ymm. Is there a way to > support them, like > > (gdb) p $ax > (gdb) p $ah Those can be pseudos just like the MMX registers. If you want to add them, please do it separately, but it should be easy. -- Daniel Jacobowitz CodeSourcery