From 6a2ea6151835aa4f5fee29382a421c13b0e6619f Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Sat, 5 Aug 2023 01:46:10 +0200 Subject: 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: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)") Signed-off-by: Ilya Leoshkevich Message-Id: <20230804234621.252522-1-iii@linux.ibm.com> Reviewed-by: David Hildenbrand Signed-off-by: Thomas Huth --- 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 f8df121d3d..b5d07d5ec5 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; } -- cgit v1.2.3