| Message ID | 20230804234621.252522-1-iii@linux.ibm.com |
|---|---|
| State | New |
| Headers | show |
| Series | target/s390x: Check reserved bits of VFMIN/VFMAX's M5 | expand |
On 05.08.23 01:46, Ilya Leoshkevich wrote: > VFMIN and VFMAX should raise a specification exceptions when bits 1-3 > of M5 are set. > > Cc: qemu-stable@nongnu.org > Fixes: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)") > Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> > --- > target/s390x/tcg/translate_vx.c.inc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc > index f8df121d3d3..b5d07d5ec53 100644 > --- a/target/s390x/tcg/translate_vx.c.inc > +++ b/target/s390x/tcg/translate_vx.c.inc > @@ -3047,7 +3047,7 @@ static DisasJumpType op_vfmax(DisasContext *s, DisasOps *o) > const uint8_t m5 = get_field(s, m5); > gen_helper_gvec_3_ptr *fn; > > - if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13) { > + if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13 || (m5 & 7)) { > gen_program_exception(s, PGM_SPECIFICATION); > return DISAS_NORETURN; > } Reviewed-by: David Hildenbrand <david@redhat.com>
diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index f8df121d3d3..b5d07d5ec53 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -3047,7 +3047,7 @@ static DisasJumpType op_vfmax(DisasContext *s, DisasOps *o) const uint8_t m5 = get_field(s, m5); gen_helper_gvec_3_ptr *fn; - if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13) { + if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13 || (m5 & 7)) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; }
VFMIN and VFMAX should raise a specification exceptions when bits 1-3 of M5 are set. Cc: qemu-stable@nongnu.org Fixes: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)") Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- target/s390x/tcg/translate_vx.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)