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[PATCH 09/72] softfloat: Tidy a * b + inf return
From: |
Richard Henderson |
Subject: |
[PATCH 09/72] softfloat: Tidy a * b + inf return |
Date: |
Fri, 7 May 2021 18:46:59 -0700 |
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(-)
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;
}
}
--
2.25.1
- Re: [PATCH 17/72] softfloat: Use pointers with parts_default_nan, (continued)
- [PATCH 12/72] softfloat: fix return_nan vs default_nan_mode, Richard Henderson, 2021/05/07
- [PATCH 15/72] softfloat: Rename FloatParts to FloatParts64, Richard Henderson, 2021/05/07
- [PATCH 19/72] softfloat: Use pointers with ftype_unpack_raw, Richard Henderson, 2021/05/07
- [PATCH 09/72] softfloat: Tidy a * b + inf return,
Richard Henderson <=
- [PATCH 08/72] softfloat: Use float_raise in more places, Richard Henderson, 2021/05/07
- [PATCH 10/72] softfloat: Add float_cmask and constants, Richard Henderson, 2021/05/07
- [PATCH 11/72] softfloat: Use return_nan in float_to_float, Richard Henderson, 2021/05/07
- [PATCH 16/72] softfloat: Move type-specific pack/unpack routines, Richard Henderson, 2021/05/07