Use the scalbn interface instead of float_muladd_halve_result.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/helper-a64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/arm/tcg/helper-a64.c b/target/arm/tcg/helper-a64.c
index 8f42a28d07..265a065f6f 100644
--- a/target/arm/tcg/helper-a64.c
+++ b/target/arm/tcg/helper-a64.c
@@ -273,7 +273,7 @@ uint32_t HELPER(rsqrtsf_f16)(uint32_t a, uint32_t b, void *fpstp)
         (float16_is_infinity(b) && float16_is_zero(a))) {
         return float16_one_point_five;
     }
-    return float16_muladd(a, b, float16_three, float_muladd_halve_result, fpst);
+    return float16_muladd_scalbn(a, b, float16_three, -1, 0, fpst);
 }
 
 float32 HELPER(rsqrtsf_f32)(float32 a, float32 b, void *fpstp)
@@ -288,7 +288,7 @@ float32 HELPER(rsqrtsf_f32)(float32 a, float32 b, void *fpstp)
         (float32_is_infinity(b) && float32_is_zero(a))) {
         return float32_one_point_five;
     }
-    return float32_muladd(a, b, float32_three, float_muladd_halve_result, fpst);
+    return float32_muladd_scalbn(a, b, float32_three, -1, 0, fpst);
 }
 
 float64 HELPER(rsqrtsf_f64)(float64 a, float64 b, void *fpstp)
@@ -303,7 +303,7 @@ float64 HELPER(rsqrtsf_f64)(float64 a, float64 b, void *fpstp)
         (float64_is_infinity(b) && float64_is_zero(a))) {
         return float64_one_point_five;
     }
-    return float64_muladd(a, b, float64_three, float_muladd_halve_result, fpst);
+    return float64_muladd_scalbn(a, b, float64_three, -1, 0, fpst);
 }
 
 /* Pairwise long add: add pairs of adjacent elements into
-- 
2.43.0

On 8/12/24 23:48, Richard Henderson wrote:
> Use the scalbn interface instead of float_muladd_halve_result.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/arm/tcg/helper-a64.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>