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[Qemu-devel] [PATCH 4/5] target-alpha: Fix cvtlq.
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 4/5] target-alpha: Fix cvtlq. |
Date: |
Sun, 13 Dec 2009 17:48:55 -0800 |
We were missing the 0xc0000000 mask, leading to incorrect results.
Signed-off-by: Richard Henderson <address@hidden>
---
target-alpha/op_helper.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c
index 8eba5ec..ff120ad 100644
--- a/target-alpha/op_helper.c
+++ b/target-alpha/op_helper.c
@@ -954,7 +954,9 @@ uint64_t helper_cvtqg (uint64_t a)
uint64_t helper_cvtlq (uint64_t a)
{
- return (int64_t)((int32_t)((a >> 32) | ((a >> 29) & 0x3FFFFFFF)));
+ int32_t lo = a >> 29;
+ int32_t hi = a >> 32;
+ return (lo & 0x3FFFFFFF) | (hi & 0xc0000000);
}
static inline uint64_t __helper_cvtql(uint64_t a, int s, int v)
--
1.6.5.2