On 2/9/21 10:27 AM, Alex Bennée wrote: > A duplicate insn is one that is appears to be executed twice in a row. > This is currently possible due to -icount and cpu_io_recompile() > causing a re-translation of a block. On it's own this won't trigger > any tests though. > > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > > --- > [AJB: well not quite, the x86_64 test trips over this due to some > weirdness in the way we handle rep insns, e.g. rep movsb (%esi), > %es:(%edi) in the x86 bios code]
Ah, but that's not tcg weirdness, that's architectural weirdness. Multiple executions is how "rep" is supposed to work. r~
