From: Bibo Mao <maobibo@loongson.cn>
Date: Thu, 12 Dec 2024 08:22:34 +0000 (+0800)
Subject: target/loongarch: Use actual operand size with vbsrl check
X-Git-Tag: v10.0.0-rc0~105^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d41989e7548397b469ec9c7be4cee699321a317e;p=thirdparty%2Fqemu.git

target/loongarch: Use actual operand size with vbsrl check

Hardcoded 32 bytes is used for vbsrl emulation check, there is
problem when options lsx=on,lasx=off 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-Daudé <philmd@linaro.org>
---

diff --git a/target/loongarch/tcg/insn_trans/trans_vec.c.inc b/target/loongarch/tcg/insn_trans/trans_vec.c.inc
index d317dfcc1c5..dff92772adf 100644
--- a/target/loongarch/tcg/insn_trans/trans_vec.c.inc
+++ b/target/loongarch/tcg/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;
 
-    if (!check_vec(ctx, 32)) {
+    if (!check_vec(ctx, oprsz)) {
         return true;
     }