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target/s390x: Check reserved bits of VFMIN/VFMAX's M5

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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>
Message-Id: <20230804234621.252522-1-iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 6a2ea6151835aa4f5fee29382a421c13b0e6619f)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Ilya Leoshkevich 2023-08-05 01:46:10 +02:00 committed by Michael Tokarev
parent 7760cfd9c8
commit e7ecf6a45f
1 changed files with 1 additions and 1 deletions

2
target/s390x/tcg/translate_vx.c.inc

@ -3192,7 +3192,7 @@ 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;
}