From a222f9c1eea20db470c55f534d85987df27a1654 Mon Sep 17 00:00:00 2001
From: Xu Zheng <xuzheng_yewu@cmss.chinamobile.com>
Date: Fri, 19 Jul 2024 22:45:21 +0800
Subject: [PATCH] target/sparc: use signed denominator in sdiv helper
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The result has to be done with the signed denominator (b32) instead of
the unsigned value passed in argument (b).

cherry-pick from 6b4965373e561b77f91cfbdf41353635c9661358
Fixes: 1326010322d6 ("target/sparc: Remove CC_OP_DIV")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2319
Signed-off-by: Clément Chigot <chigot@adacore.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240606144331.698361-1-chigot@adacore.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 6b4965373e561b77f91cfbdf41353635c9661358)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Xu Zheng <xuzheng_yewu@cmss.chinamobile.com>
---
 target/sparc/helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/sparc/helper.c b/target/sparc/helper.c
index bd10b60e4b..8820c59e7c 100644
--- a/target/sparc/helper.c
+++ b/target/sparc/helper.c
@@ -121,7 +121,7 @@ uint64_t helper_sdiv(CPUSPARCState *env, target_ulong a, target_ulong b)
         return (uint32_t)(b32 < 0 ? INT32_MAX : INT32_MIN) | (-1ull << 32);
     }
 
-    a64 /= b;
+    a64 /= b32;
     r = a64;
     if (unlikely(r != a64)) {
         return (uint32_t)(a64 < 0 ? INT32_MIN : INT32_MAX) | (-1ull << 32);
-- 
2.41.0.windows.1