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From: Thomas Huth <thuth@redhat.com>
To: qemu-s390x@nongnu.org, David Hildenbrand <david@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: [PATCH 2/3] target/s390x: Fix emulation of the VISTR instruction
Date: Wed, 12 Oct 2022 20:27:54 +0200	[thread overview]
Message-ID: <20221012182755.1014853-3-thuth@redhat.com> (raw)
In-Reply-To: <20221012182755.1014853-1-thuth@redhat.com>

The element size is encoded in the M3 field, not in the M4
field.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1248
Fixes: be6324c6b734 ("s390x/tcg: Implement VECTOR ISOLATE STRING")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.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 3526ba3e3b..b69c1a111c 100644
--- a/target/s390x/tcg/translate_vx.c.inc
+++ b/target/s390x/tcg/translate_vx.c.inc
@@ -2723,7 +2723,7 @@ static DisasJumpType op_vfene(DisasContext *s, DisasOps *o)
 
 static DisasJumpType op_vistr(DisasContext *s, DisasOps *o)
 {
-    const uint8_t es = get_field(s, m4);
+    const uint8_t es = get_field(s, m3);
     const uint8_t m5 = get_field(s, m5);
     static gen_helper_gvec_2 * const g[3] = {
         gen_helper_gvec_vistr8,
-- 
2.31.1



  parent reply	other threads:[~2022-10-12 18:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-12 18:27 [PATCH 0/3] s390x: Fix for vistr instruction & addition to TCG tests Thomas Huth
2022-10-12 18:27 ` [PATCH 1/3] tests/tcg/s390x: Test compiler flags only once, not every time Thomas Huth
2022-10-12 19:23   ` David Hildenbrand
2022-10-13 18:24   ` Richard Henderson
2022-10-12 18:27 ` Thomas Huth [this message]
2022-10-12 19:23   ` [PATCH 2/3] target/s390x: Fix emulation of the VISTR instruction David Hildenbrand
2022-10-12 18:27 ` [PATCH 3/3] tests/tcg/s390x: Add a test for the vistr instruction Thomas Huth
2022-10-12 19:23   ` David Hildenbrand
2022-10-13 18:24   ` Richard Henderson

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