42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
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From a222f9c1eea20db470c55f534d85987df27a1654 Mon Sep 17 00:00:00 2001
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From: Xu Zheng <xuzheng_yewu@cmss.chinamobile.com>
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Date: Fri, 19 Jul 2024 22:45:21 +0800
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Subject: [PATCH] target/sparc: use signed denominator in sdiv helper
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The result has to be done with the signed denominator (b32) instead of
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the unsigned value passed in argument (b).
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cherry-pick from 6b4965373e561b77f91cfbdf41353635c9661358
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Fixes: 1326010322d6 ("target/sparc: Remove CC_OP_DIV")
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Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2319
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Signed-off-by: Clément Chigot <chigot@adacore.com>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Message-Id: <20240606144331.698361-1-chigot@adacore.com>
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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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(cherry picked from commit 6b4965373e561b77f91cfbdf41353635c9661358)
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Xu Zheng <xuzheng_yewu@cmss.chinamobile.com>
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---
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target/sparc/helper.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/target/sparc/helper.c b/target/sparc/helper.c
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index bd10b60e4b..8820c59e7c 100644
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--- a/target/sparc/helper.c
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+++ b/target/sparc/helper.c
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@@ -121,7 +121,7 @@ uint64_t helper_sdiv(CPUSPARCState *env, target_ulong a, target_ulong b)
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return (uint32_t)(b32 < 0 ? INT32_MAX : INT32_MIN) | (-1ull << 32);
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}
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- a64 /= b;
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+ a64 /= b32;
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r = a64;
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if (unlikely(r != a64)) {
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return (uint32_t)(a64 < 0 ? INT32_MIN : INT32_MAX) | (-1ull << 32);
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--
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2.41.0.windows.1
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