K 10 svn:author V 7 davidxu K 8 svn:date V 27 2004-08-10T12:15:27.000000Z K 7 svn:log V 250 As AMD64 architecture volume 1 chapter 3.1.2 says, high 32 bits of %rflags are resevered, they can be written with anything, but they always read as zero, we should simulate it in set_regs() as we are reading/writting real hardware %rflags register. END