[RFC PATCH 3/8] softfloat: Tidy a * b + inf return

[Alex Bennée]

From: Richard Henderson <richard.hender...@linaro.org>

No reason to set values in 'a', when we already
have float_class_inf in 'c', and can flip that sign.

Reviewed-by: David Hildenbrand <da...@redhat.com>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Message-Id: <20200925152047.709901-4-richard.hender...@linaro.org>
---
 fpu/softfloat.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 67cfa0fd82..9db55d2b11 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -1380,9 +1380,8 @@ static FloatParts muladd_floats(FloatParts a, FloatParts 
b, FloatParts c,
             s->float_exception_flags |= float_flag_invalid;
             return parts_default_nan(s);
         } else {
-            a.cls = float_class_inf;
-            a.sign = c.sign ^ sign_flip;
-            return a;
+            c.sign ^= sign_flip;
+            return c;
         }
     }
 
-- 
2.20.1