From: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 2/3] target-tricore: Fix helper_msub64_q_ssov not reseting OVF bit
Date: Tue, 1 Mar 2016 18:15:25 +0100 [thread overview]
Message-ID: <1456852526-3630-3-git-send-email-kbastian@mail.uni-paderborn.de> (raw)
In-Reply-To: <1456852526-3630-1-git-send-email-kbastian@mail.uni-paderborn.de>
When this instruction does not produce an overflow the corresponding
bit has to be reset.
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
---
target-tricore/op_helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c
index 55f6724..40656c3 100644
--- a/target-tricore/op_helper.c
+++ b/target-tricore/op_helper.c
@@ -1045,6 +1045,8 @@ uint64_t helper_msub64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2,
} else {
result = INT64_MIN;
}
+ } else {
+ env->PSW_USB_V = 0;
}
} else {
if (ovf < 0) {
--
2.7.2
next prev parent reply other threads:[~2016-03-01 17:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 17:15 [Qemu-devel] [PATCH 0/3] TriCore bugfixes Bastian Koppelmann
2016-03-01 17:15 ` [Qemu-devel] [PATCH 1/3] target-tricore: add missing break in insn decode switch stmt Bastian Koppelmann
2016-03-01 17:15 ` Bastian Koppelmann [this message]
2016-03-01 17:15 ` [Qemu-devel] [PATCH 3/3] target-tricore: Fix psw_read() clearing too many bits Bastian Koppelmann
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