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[PULL,09/46] softfloat: Tidy a * b + inf return

Message ID 20210516123431.718318-10-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/46] qemu/host-utils: Use __builtin_bitreverseN | expand

Commit Message

Richard Henderson May 16, 2021, 12:33 p.m. UTC 
No reason to set values in 'a', when we already
have float_class_inf in 'c', and can flip that sign.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 fpu/softfloat.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 93fe785809..ee4b5073b6 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -1384,9 +1384,8 @@  static FloatParts muladd_floats(FloatParts a, FloatParts b, FloatParts c,
             float_raise(float_flag_invalid, s);
             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;
         }
     }