[Qemu-devel] [PATCH 46/48] target-arm: fix neon vrsqrts instruction

[Riku Voipio]

From: Juha Riihimäki <address@hidden>

Signed-Off-By: Riku Voipio <address@hidden>
Signed-off-by: Juha Riihimäki <address@hidden>
---
 target-arm/helper.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 798e9f9..1f5f307 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2687,8 +2687,9 @@ float32 HELPER(recps_f32)(float32 a, float32 b, CPUState 
*env)
 float32 HELPER(rsqrts_f32)(float32 a, float32 b, CPUState *env)
 {
     float_status *s = &env->vfp.fp_status;
+    float32 two = int32_to_float32(2, s);
     float32 three = int32_to_float32(3, s);
-    return float32_sub(three, float32_mul(a, b, s), s);
+    return float32_div(float32_sub(three, float32_mul(a, b, s), s), two, s);
 }
 
 /* NEON helpers.  */
-- 
1.6.5