On 15/07/2015 14:55, Aurelien Jarno wrote: > For a 64-bit host not implementing the trunc_shr_i32 op, the high bits > of a register should be ignored for 32-bit ops. This is currently not > the case of qemu_ld/st ops in user mode. > > Fix that by either using the ADDR32 prefix (in case GUEST_BASE == 0 or > a segment register is in use), or by doing an explicit zero-extension. > The zero-extension can be done in place as we know the registers holds > a 32-bit value. > > Reported-by: Leon Alrae <leon.al...@imgtec.com> > Cc: Leon Alrae <leon.al...@imgtec.com> > Cc: Paolo Bonzini <pbonz...@redhat.com> > Cc: Richard Henderson <r...@twiddle.net> > Signed-off-by: Aurelien Jarno <aurel...@aurel32.net> > --- > tcg/i386/tcg-target.c | 44 ++++++++++++++++++++++++++++++++------------ > 1 file changed, 32 insertions(+), 12 deletions(-)
Tested-by: Leon Alrae <leon.al...@imgtec.com> Thanks for looking into this! Leon
