[Qemu-devel] [PATCH] target-arm: fix for exponent comparison in recpe_f64

[ild]

From: Ildar Isaev <address@hidden>

f64 exponent in HELPER(recpe_f64) should be compared to 2045 rather than 1023
(FPRecipEstimate in ARMV8 spec)

Signed-off-by: Ildar Isaev <address@hidden>
---
 target-arm/helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 1a5e067..f2feec4 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -6242,7 +6242,7 @@ float64 HELPER(recpe_f64)(float64 input, void *fpstp)
         } else {
             return float64_set_sign(float64_maxnorm, float64_is_neg(f64));
         }
-    } else if (f64_exp >= 1023 && fpst->flush_to_zero) {
+    } else if (f64_exp >= 2045 && fpst->flush_to_zero) {
         float_raise(float_flag_underflow, fpst);
         return float64_set_sign(float64_zero, float64_is_neg(f64));
     }
-- 
1.9.3