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To: qemu-devel@nongnu.org
Cc: qemu-stable@nongnu.org, Bibo Mao <maobibo@loongson.cn>,
Richard Henderson <richard.henderson@linaro.org>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Michael Tokarev <mjt@tls.msk.ru>
Subject: [Stable-8.2.9 34/45] target/loongarch: Use actual operand size with
vbsrl check
Date: Mon, 27 Jan 2025 23:26:15 +0300
Message-Id: <20250127202630.3724367-34-mjt@tls.msk.ru>
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From: Michael Tokarev <mjt@tls.msk.ru>
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Hardcoded 32 bytes is used for vbsrl emulation check, there is
problem when options lsx=3Don,lasx=3Doff is used for vbsrl.v instruction
in TCG mode. It injects LASX exception rather LSX exception.
Here actual operand size is used.
Cc: qemu-stable@nongnu.org
Fixes: df97f338076 ("target/loongarch: Implement xvreplve xvinsve0 xvpickve=
")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
(cherry picked from commit d41989e7548397b469ec9c7be4cee699321a317e)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/target/loongarch/insn_trans/trans_vec.c.inc b/target/loongarch=
/insn_trans/trans_vec.c.inc
index 92b1d22e28..ba5ca98a33 100644
--- a/target/loongarch/insn_trans/trans_vec.c.inc
+++ b/target/loongarch/insn_trans/trans_vec.c.inc
@@ -5126,7 +5126,7 @@ static bool do_vbsrl_v(DisasContext *ctx, arg_vv_i *a=
, uint32_t oprsz)
{
int i, ofs;
=20
- if (!check_vec(ctx, 32)) {
+ if (!check_vec(ctx, oprsz)) {
return true;
}
=20
--=20
2.39.5