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softfloat: Use pointers with ftype_unpack_raw 

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-10-23 15:16:14 -07:00
parent d8fdd17280
commit 3dddb203bc
1 changed files with 48 additions and 28 deletions
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76
fpu/softfloat.c
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@ -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);
}