Ping...... And the title is target/i386: Some mmx/sse instructions don't require CR0.TS=0
On Fri, Mar 25, 2022 at 10:55 PM Wei Li <lw945lw...@yahoo.com> wrote: > Resolves: https://gitlab.com/qemu-project/qemu/-/issues/427 > > All instructions decoded by 'gen_see' is assumed to require CRO.TS=0. But > according to SDM, CRC32 doesn't require it. In fact, EMMS, FMMS and some > mmx/sse instructions(0F38F[0-F], 0F3AF[0-F]) don't require it. > > To solve the problem, first to move EMMS and FMMS out of gen_sse. Then > instructions in 'gen_sse' require it only when modrm & 0xF0 is false. > > Wei Li (2): > Move EMMS and FEMMS instructions out of gen_sse > Some mmx/sse instructions in 'gen_sse' don't require CRO.TS=0 > > target/i386/tcg/translate.c | 45 +++++++++++++++++-------------------- > 1 file changed, 21 insertions(+), 24 deletions(-) > > -- > 2.30.2 > > > Thanks. -- Wei Li
