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[RFC PATCH 4/8] fpu/softfloat: add pack and unpack interfaces for bfloat
From: |
LIU Zhiwei |
Subject: |
[RFC PATCH 4/8] fpu/softfloat: add pack and unpack interfaces for bfloat16 |
Date: |
Mon, 13 Jul 2020 07:45:17 +0800 |
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
---
fpu/softfloat.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 1ef07d9160..54fc889446 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -584,6 +584,11 @@ static inline FloatParts float16_unpack_raw(float16 f)
return unpack_raw(float16_params, f);
}
+static inline FloatParts bfloat16_unpack_raw(bfloat16 f)
+{
+ return unpack_raw(bfloat16_params, f);
+}
+
static inline FloatParts float32_unpack_raw(float32 f)
{
return unpack_raw(float32_params, f);
@@ -607,6 +612,11 @@ static inline float16 float16_pack_raw(FloatParts p)
return make_float16(pack_raw(float16_params, p));
}
+static inline bfloat16 bfloat16_pack_raw(FloatParts p)
+{
+ return make_bfloat16(pack_raw(bfloat16_params, p));
+}
+
static inline float32 float32_pack_raw(FloatParts p)
{
return make_float32(pack_raw(float32_params, p));
@@ -824,6 +834,11 @@ static FloatParts float16_unpack_canonical(float16 f,
float_status *s)
return float16a_unpack_canonical(f, s, &float16_params);
}
+static FloatParts bfloat16_unpack_canonical(bfloat16 f, float_status *s)
+{
+ return sf_canonicalize(bfloat16_unpack_raw(f), &bfloat16_params, s);
+}
+
static float16 float16a_round_pack_canonical(FloatParts p, float_status *s,
const FloatFmt *params)
{
@@ -835,6 +850,11 @@ static float16 float16_round_pack_canonical(FloatParts p,
float_status *s)
return float16a_round_pack_canonical(p, s, &float16_params);
}
+static bfloat16 bfloat16_round_pack_canonical(FloatParts p, float_status *s)
+{
+ return float16a_round_pack_canonical(p, s, &bfloat16_params);
+}
+
static FloatParts float32_unpack_canonical(float32 f, float_status *s)
{
return sf_canonicalize(float32_unpack_raw(f), &float32_params, s);
--
2.23.0