From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>,
David Hildenbrand <david@redhat.com>,
Thomas Huth <thuth@redhat.com>
Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org,
Ilya Leoshkevich <iii@linux.ibm.com>,
qemu-stable@nongnu.org
Subject: [PATCH] target/s390x: Check reserved bits of VFMIN/VFMAX's M5
Date: Sat, 5 Aug 2023 01:46:10 +0200 [thread overview]
Message-ID: <20230804234621.252522-1-iii@linux.ibm.com> (raw)
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;
}
--
2.41.0
next reply other threads:[~2023-08-04 23:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-04 23:46 Ilya Leoshkevich [this message]
2023-08-05 7:56 ` [PATCH] target/s390x: Check reserved bits of VFMIN/VFMAX's M5 David Hildenbrand
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