target/s390x: Check reserved bits of VFMIN/VFMAX's M5
VFMIN and VFMAX should raise a specification exceptions when bits 1-3
of M5 are set.
Cc: qemu-stable@nongnu.org
Fixes: da4807527f
("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>
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@ -3047,7 +3047,7 @@ static DisasJumpType op_vfmax(DisasContext *s, DisasOps *o)
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const uint8_t m5 = get_field(s, m5);
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gen_helper_gvec_3_ptr *fn;
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if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13) {
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if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13 || (m5 & 7)) {
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gen_program_exception(s, PGM_SPECIFICATION);
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return DISAS_NORETURN;
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}
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