[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 18/72] softfloat: Use pointers with unpack_raw
From: |
Richard Henderson |
Subject: |
[PATCH 18/72] softfloat: Use pointers with unpack_raw |
Date: |
Fri, 7 May 2021 18:47:08 -0700 |
At the same time, rename to unpack_raw64.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
fpu/softfloat.c | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index c7f95961cf..5ff9368012 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -580,36 +580,45 @@ static const FloatFmt float64_params = {
};
/* Unpack a float to parts, but do not canonicalize. */
-static inline FloatParts64 unpack_raw(FloatFmt fmt, uint64_t raw)
+static void unpack_raw64(FloatParts64 *r, const FloatFmt *fmt, uint64_t raw)
{
- const int sign_pos = fmt.frac_size + fmt.exp_size;
+ const int f_size = fmt->frac_size;
+ const int e_size = fmt->exp_size;
- return (FloatParts64) {
+ *r = (FloatParts64) {
.cls = float_class_unclassified,
- .sign = extract64(raw, sign_pos, 1),
- .exp = extract64(raw, fmt.frac_size, fmt.exp_size),
- .frac = extract64(raw, 0, fmt.frac_size),
+ .sign = extract64(raw, f_size + e_size, 1),
+ .exp = extract64(raw, f_size, e_size),
+ .frac = extract64(raw, 0, f_size)
};
}
static inline FloatParts64 float16_unpack_raw(float16 f)
{
- return unpack_raw(float16_params, f);
+ FloatParts64 p;
+ unpack_raw64(&p, &float16_params, f);
+ return p;
}
static inline FloatParts64 bfloat16_unpack_raw(bfloat16 f)
{
- return unpack_raw(bfloat16_params, f);
+ FloatParts64 p;
+ unpack_raw64(&p, &bfloat16_params, f);
+ return p;
}
static inline FloatParts64 float32_unpack_raw(float32 f)
{
- return unpack_raw(float32_params, f);
+ FloatParts64 p;
+ unpack_raw64(&p, &float32_params, f);
+ return p;
}
static inline FloatParts64 float64_unpack_raw(float64 f)
{
- return unpack_raw(float64_params, f);
+ FloatParts64 p;
+ unpack_raw64(&p, &float64_params, f);
+ return p;
}
/* Pack a float from parts, but do not canonicalize. */
--
2.25.1
- [PATCH 23/72] softfloat: Use pointers with ftype_round_pack_canonical, (continued)
- [PATCH 31/72] softfloat: Move sf_canonicalize to softfloat-parts.c.inc, Richard Henderson, 2021/05/07
- [PATCH 18/72] softfloat: Use pointers with unpack_raw,
Richard Henderson <=
- [PATCH 24/72] softfloat: Use pointers with parts_silence_nan, Richard Henderson, 2021/05/07
- [PATCH 27/72] softfloat: Convert float128_default_nan to parts, Richard Henderson, 2021/05/07
- [PATCH 28/72] softfloat: Move return_nan to softfloat-parts.c.inc, Richard Henderson, 2021/05/07
- [PATCH 29/72] softfloat: Move pick_nan to softfloat-parts.c.inc, Richard Henderson, 2021/05/07