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[PATCH 3/8] softfloat: Tidy a * b + inf return
From: |
Richard Henderson |
Subject: |
[PATCH 3/8] softfloat: Tidy a * b + inf return |
Date: |
Wed, 23 Sep 2020 18:24:48 -0700 |
No reason to set values in 'a', when we already
have float_class_inf in 'c', and can flip that sign.
Signed-off-by: Richard Henderson <richard.henderson@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;
}
}
--
2.25.1
- [PATCH 0/8] softfloat: Implement float128_muladd, Richard Henderson, 2020/09/23
- [PATCH 1/8] softfloat: Use mulu64 for mul64To128, Richard Henderson, 2020/09/23
- [PATCH 2/8] softfloat: Use int128.h for some operations, Richard Henderson, 2020/09/23
- [PATCH 3/8] softfloat: Tidy a * b + inf return,
Richard Henderson <=
- [PATCH 4/8] softfloat: Add float_cmask and constants, Richard Henderson, 2020/09/23
- [PATCH 5/8] softfloat: Inline pick_nan_muladd into its caller, Richard Henderson, 2020/09/23
- [PATCH 6/8] softfloat: Implement float128_muladd, Richard Henderson, 2020/09/23
- [PATCH 7/8] softfloat: Use x86_64 assembly for {add,sub}{192,256}, Richard Henderson, 2020/09/23