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[PATCH 19/72] softfloat: Use pointers with ftype_unpack_raw
From: |
Richard Henderson |
Subject: |
[PATCH 19/72] softfloat: Use pointers with ftype_unpack_raw |
Date: |
Fri, 7 May 2021 18:47:09 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
fpu/softfloat.c | 76 +++++++++++++++++++++++++++++++------------------
1 file changed, 48 insertions(+), 28 deletions(-)
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 5ff9368012..5a736a46cf 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -593,32 +593,24 @@ static void unpack_raw64(FloatParts64 *r, const FloatFmt
*fmt, uint64_t raw)
};
}
-static inline FloatParts64 float16_unpack_raw(float16 f)
+static inline void float16_unpack_raw(FloatParts64 *p, float16 f)
{
- FloatParts64 p;
- unpack_raw64(&p, &float16_params, f);
- return p;
+ unpack_raw64(p, &float16_params, f);
}
-static inline FloatParts64 bfloat16_unpack_raw(bfloat16 f)
+static inline void bfloat16_unpack_raw(FloatParts64 *p, bfloat16 f)
{
- FloatParts64 p;
- unpack_raw64(&p, &bfloat16_params, f);
- return p;
+ unpack_raw64(p, &bfloat16_params, f);
}
-static inline FloatParts64 float32_unpack_raw(float32 f)
+static inline void float32_unpack_raw(FloatParts64 *p, float32 f)
{
- FloatParts64 p;
- unpack_raw64(&p, &float32_params, f);
- return p;
+ unpack_raw64(p, &float32_params, f);
}
-static inline FloatParts64 float64_unpack_raw(float64 f)
+static inline void float64_unpack_raw(FloatParts64 *p, float64 f)
{
- FloatParts64 p;
- unpack_raw64(&p, &float64_params, f);
- return p;
+ unpack_raw64(p, &float64_params, f);
}
/* Pack a float from parts, but do not canonicalize. */
@@ -931,7 +923,10 @@ static FloatParts64 pick_nan_muladd(FloatParts64 a,
FloatParts64 b, FloatParts64
static FloatParts64 float16a_unpack_canonical(float16 f, float_status *s,
const FloatFmt *params)
{
- return sf_canonicalize(float16_unpack_raw(f), params, s);
+ FloatParts64 p;
+
+ float16_unpack_raw(&p, f);
+ return sf_canonicalize(p, params, s);
}
static FloatParts64 float16_unpack_canonical(float16 f, float_status *s)
@@ -941,7 +936,10 @@ static FloatParts64 float16_unpack_canonical(float16 f,
float_status *s)
static FloatParts64 bfloat16_unpack_canonical(bfloat16 f, float_status *s)
{
- return sf_canonicalize(bfloat16_unpack_raw(f), &bfloat16_params, s);
+ FloatParts64 p;
+
+ bfloat16_unpack_raw(&p, f);
+ return sf_canonicalize(p, &bfloat16_params, s);
}
static float16 float16a_round_pack_canonical(FloatParts64 p, float_status *s,
@@ -962,7 +960,10 @@ static bfloat16 bfloat16_round_pack_canonical(FloatParts64
p, float_status *s)
static FloatParts64 float32_unpack_canonical(float32 f, float_status *s)
{
- return sf_canonicalize(float32_unpack_raw(f), &float32_params, s);
+ FloatParts64 p;
+
+ float32_unpack_raw(&p, f);
+ return sf_canonicalize(p, &float32_params, s);
}
static float32 float32_round_pack_canonical(FloatParts64 p, float_status *s)
@@ -972,7 +973,10 @@ static float32 float32_round_pack_canonical(FloatParts64
p, float_status *s)
static FloatParts64 float64_unpack_canonical(float64 f, float_status *s)
{
- return sf_canonicalize(float64_unpack_raw(f), &float64_params, s);
+ FloatParts64 p;
+
+ float64_unpack_raw(&p, f);
+ return sf_canonicalize(p, &float64_params, s);
}
static float64 float64_round_pack_canonical(FloatParts64 p, float_status *s)
@@ -3648,7 +3652,9 @@ bfloat16 bfloat16_default_nan(float_status *status)
float16 float16_silence_nan(float16 a, float_status *status)
{
- FloatParts64 p = float16_unpack_raw(a);
+ FloatParts64 p;
+
+ float16_unpack_raw(&p, a);
p.frac <<= float16_params.frac_shift;
p = parts_silence_nan(p, status);
p.frac >>= float16_params.frac_shift;
@@ -3657,7 +3663,9 @@ float16 float16_silence_nan(float16 a, float_status
*status)
float32 float32_silence_nan(float32 a, float_status *status)
{
- FloatParts64 p = float32_unpack_raw(a);
+ FloatParts64 p;
+
+ float32_unpack_raw(&p, a);
p.frac <<= float32_params.frac_shift;
p = parts_silence_nan(p, status);
p.frac >>= float32_params.frac_shift;
@@ -3666,7 +3674,9 @@ float32 float32_silence_nan(float32 a, float_status
*status)
float64 float64_silence_nan(float64 a, float_status *status)
{
- FloatParts64 p = float64_unpack_raw(a);
+ FloatParts64 p;
+
+ float64_unpack_raw(&p, a);
p.frac <<= float64_params.frac_shift;
p = parts_silence_nan(p, status);
p.frac >>= float64_params.frac_shift;
@@ -3675,7 +3685,9 @@ float64 float64_silence_nan(float64 a, float_status
*status)
bfloat16 bfloat16_silence_nan(bfloat16 a, float_status *status)
{
- FloatParts64 p = bfloat16_unpack_raw(a);
+ FloatParts64 p;
+
+ bfloat16_unpack_raw(&p, a);
p.frac <<= bfloat16_params.frac_shift;
p = parts_silence_nan(p, status);
p.frac >>= bfloat16_params.frac_shift;
@@ -3700,7 +3712,9 @@ static bool parts_squash_denormal(FloatParts64 p,
float_status *status)
float16 float16_squash_input_denormal(float16 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
- FloatParts64 p = float16_unpack_raw(a);
+ FloatParts64 p;
+
+ float16_unpack_raw(&p, a);
if (parts_squash_denormal(p, status)) {
return float16_set_sign(float16_zero, p.sign);
}
@@ -3711,7 +3725,9 @@ float16 float16_squash_input_denormal(float16 a,
float_status *status)
float32 float32_squash_input_denormal(float32 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
- FloatParts64 p = float32_unpack_raw(a);
+ FloatParts64 p;
+
+ float32_unpack_raw(&p, a);
if (parts_squash_denormal(p, status)) {
return float32_set_sign(float32_zero, p.sign);
}
@@ -3722,7 +3738,9 @@ float32 float32_squash_input_denormal(float32 a,
float_status *status)
float64 float64_squash_input_denormal(float64 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
- FloatParts64 p = float64_unpack_raw(a);
+ FloatParts64 p;
+
+ float64_unpack_raw(&p, a);
if (parts_squash_denormal(p, status)) {
return float64_set_sign(float64_zero, p.sign);
}
@@ -3733,7 +3751,9 @@ float64 float64_squash_input_denormal(float64 a,
float_status *status)
bfloat16 bfloat16_squash_input_denormal(bfloat16 a, float_status *status)
{
if (status->flush_inputs_to_zero) {
- FloatParts64 p = bfloat16_unpack_raw(a);
+ FloatParts64 p;
+
+ bfloat16_unpack_raw(&p, a);
if (parts_squash_denormal(p, status)) {
return bfloat16_set_sign(bfloat16_zero, p.sign);
}
--
2.25.1
- Re: [PATCH 14/72] softfloat: Do not produce a default_nan from parts_silence_nan, (continued)
- [PATCH 17/72] softfloat: Use pointers with parts_default_nan, Richard Henderson, 2021/05/07
- [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 <=
- [PATCH 09/72] softfloat: Tidy a * b + inf return, Richard Henderson, 2021/05/07
- [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