Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
- v6.7-rc3
- v6.7-rc2
- v6.7-rc1
- v6.6-rc7
- v6.6-rc6
- v6.6-rc5
- v6.6-rc4
- v6.6-rc3
- v6.6-rc2
- v6.6-rc1
- v6.6
- v6.5-rc7
- v6.5-rc6
- v6.5-rc5
- v6.5-rc4
- v6.5-rc3
- v6.5-rc2
- v6.5-rc1
- v6.5
- v6.4-rc7
- v6.4-rc6
- v6.4-rc5
- v6.4-rc4
- v6.4-rc3
- v6.4-rc2
- v6.4-rc1
- v6.4
- v6.3-rc7
- v6.3-rc6
- v6.3-rc5
- v6.3-rc4
- v6.3-rc3
- v6.3-rc2
- v6.3-rc1
- v6.3
- v6.2-rc8
- v6.2-rc7
- v6.2-rc6
- v6.2-rc5
- v6.2-rc4
- v6.2-rc3
- v6.2-rc2
- v6.2-rc1
- v6.2
- v6.1-rc8
- v6.1-rc7
- v6.1-rc6
- v6.1-rc5
- v6.1-rc4
- v6.1-rc3
- v6.1-rc2
- v6.1-rc1
- v6.1
- v6.0-rc7
- v6.0-rc6
- v6.0-rc5
- v6.0-rc4
- v6.0-rc3
- v6.0-rc2
- v6.0-rc1
- v6.0
- v5.9-rc8
- v5.9-rc7
- v5.9-rc6
- v5.9-rc5
- v5.9-rc4
- v5.9-rc3
- v5.9-rc2
- v5.9-rc1
- v5.9
- v5.8-rc7
- v5.8-rc6
- v5.8-rc5
- v5.8-rc4
- v5.8-rc3
- v5.8-rc2
- v5.8-rc1
- v5.8
- v5.7-rc7
- v5.7-rc6
- v5.7-rc5
- v5.7-rc4
- v5.7-rc3
- v5.7-rc2
- v5.7-rc1
- v5.7
- v5.6-rc7
- v5.6-rc6
- v5.6-rc5
- v5.6-rc4
- v5.6-rc3
- v5.6-rc2
- v5.6-rc1
- v5.6
- v5.5-rc7
- v5.5-rc6
- v5.5-rc5
- v5.5-rc4
- v5.5-rc3
- v5.5-rc2
- v5.5-rc1
- v5.5
- v5.4-rc8
- v5.4-rc7
- v5.4-rc6
- v5.4-rc5
- v5.4-rc4
- v5.4-rc3
- v5.4-rc2
- v5.4-rc1
- v5.4
- v5.3-rc8
- v5.3-rc7
- v5.3-rc6
- v5.3-rc5
- v5.3-rc4
- v5.3-rc3
- v5.3-rc2
- v5.3-rc1
- v5.3
- v5.2-rc7
- v5.2-rc6
- v5.2-rc5
- v5.2-rc4
- v5.2-rc3
- v5.2-rc2
- v5.2-rc1
- v5.2
- v5.19-rc8
- v5.19-rc7
- v5.19-rc6
- v5.19-rc5
- v5.19-rc4
- v5.19-rc3
- v5.19-rc2
- v5.19-rc1
- v5.19
- v5.18-rc7
- v5.18-rc6
- v5.18-rc5
- v5.18-rc4
- v5.18-rc3
- v5.18-rc2
- v5.18-rc1
- v5.18
- v5.17-rc8
- v5.17-rc7
- v5.17-rc6
- v5.17-rc5
- v5.17-rc4
- v5.17-rc3
- v5.17-rc2
- v5.17-rc1
- v5.17
- v5.16-rc8
- v5.16-rc7
- v5.16-rc6
- v5.16-rc5
- v5.16-rc4
- v5.16-rc3
- v5.16-rc2
- v5.16-rc1
- v5.16
- v5.15-rc7
- v5.15-rc6
- v5.15-rc5
- v5.15-rc4
- v5.15-rc3
- v5.15-rc2
- v5.15-rc1
- v5.15
- v5.14-rc7
- v5.14-rc6
- v5.14-rc5
- v5.14-rc4
- v5.14-rc3
- v5.14-rc2
- v5.14-rc1
- v5.14
- v5.13-rc7
- v5.13-rc6
- v5.13-rc5
- v5.13-rc4
- v5.13-rc3
- v5.13-rc2
- v5.13-rc1
- v5.13
- v5.12-rc8
- v5.12-rc7
- v5.12-rc6
- v5.12-rc5
- v5.12-rc4
- v5.12-rc3
- v5.12-rc2
- v5.12-rc1
- v5.12
- v5.11-rc7
- v5.11-rc6
- v5.11-rc5
- v5.11-rc4
- v5.11-rc3
- v5.11-rc2
- v5.11-rc1
- v5.11
- v5.10-rc7
- v5.10-rc6
- v5.10-rc5
- v5.10-rc4
- v5.10-rc3
- v5.10-rc2
- v5.10-rc1
- v5.10
- v5.1-rc7
- v5.1-rc6
- v5.1-rc5
- v5.1-rc4
- v5.1-rc3
- v5.1-rc2
- v5.1-rc1
- v5.1
- v5.0-rc8
- v5.0-rc7
- v5.0-rc6
- v5.0-rc5
- v5.0-rc4
- v5.0-rc3
- v5.0-rc2
- v5.0-rc1
- v5.0
- v4.9-rc8
- v4.9-rc7
- v4.9-rc6
- v4.9-rc5
- v4.9-rc4
- v4.9-rc3
- v4.9-rc2
- v4.9-rc1
- v4.9
- v4.8-rc8
- v4.8-rc7
- v4.8-rc6
- v4.8-rc5
- v4.8-rc4
- v4.8-rc3
- v4.8-rc2
- v4.8-rc1
- v4.8
- v4.7-rc7
- v4.7-rc6
- v4.7-rc5
- v4.7-rc4
- v4.7-rc3
- v4.7-rc2
- v4.7-rc1
- v4.7
- v4.6-rc7
- v4.6-rc6
- v4.6-rc5
- v4.6-rc4
- v4.6-rc3
- v4.6-rc2
- v4.6-rc1
- v4.6
- v4.5-rc7
- v4.5-rc6
- v4.5-rc5
- v4.5-rc4
- v4.5-rc3
- v4.5-rc2
- v4.5-rc1
- v4.5
- v4.4-rc8
- v4.4-rc7
- v4.4-rc6
- v4.4-rc5
- v4.4-rc4
- v4.4-rc3
- v4.4-rc2
- v4.4-rc1
- v4.4
- v4.3-rc7
- v4.3-rc6
- v4.3-rc5
- v4.3-rc4
- v4.3-rc3
- v4.3-rc2
- v4.3-rc1
- v4.3
- v4.20-rc7
- v4.20-rc6
- v4.20-rc5
- v4.20-rc4
- v4.20-rc3
- v4.20-rc2
- v4.20-rc1
- v4.20
- v4.2-rc8
- v4.2-rc7
- v4.2-rc6
- v4.2-rc5
- v4.2-rc4
- v4.2-rc3
- v4.2-rc2
- v4.2-rc1
- v4.2
- v4.19-rc8
- v4.19-rc7
- v4.19-rc6
- v4.19-rc5
- v4.19-rc4
- v4.19-rc3
- v4.19-rc2
- v4.19-rc1
- v4.19
- v4.18-rc8
- v4.18-rc7
- v4.18-rc6
- v4.18-rc5
- v4.18-rc4
- v4.18-rc3
- v4.18-rc2
- v4.18-rc1
- v4.18
- v4.17-rc7
- v4.17-rc6
- v4.17-rc5
- v4.17-rc4
- v4.17-rc3
- v4.17-rc2
- v4.17-rc1
- v4.17
- v4.16-rc7
- v4.16-rc6
- v4.16-rc5
- v4.16-rc4
- v4.16-rc3
- v4.16-rc2
- v4.16-rc1
- v4.16
- v4.15-rc9
- v4.15-rc8
- v4.15-rc7
- v4.15-rc6
- v4.15-rc5
- v4.15-rc4
- v4.15-rc3
- v4.15-rc2
- v4.15-rc1
- v4.15
- v4.14-rc8
- v4.14-rc7
- v4.14-rc6
- v4.14-rc5
- v4.14-rc4
- v4.14-rc3
- v4.14-rc2
- v4.14-rc1
- v4.14
- v4.13-rc7
- v4.13-rc6
- v4.13-rc5
- v4.13-rc4
- v4.13-rc3
- v4.13-rc2
- v4.13-rc1
- v4.13
- v4.12-rc7
- v4.12-rc6
- v4.12-rc5
- v4.12-rc4
- v4.12-rc3
- v4.12-rc2
- v4.12-rc1
- v4.12
- v4.11-rc8
- v4.11-rc7
- v4.11-rc6
- v4.11-rc5
- v4.11-rc4
- v4.11-rc3
- v4.11-rc2
- v4.11-rc1
- v4.11
- v4.10-rc8
- v4.10-rc7
- v4.10-rc6
- v4.10-rc5
- v4.10-rc4
- v4.10-rc3
- v4.10-rc2
- v4.10-rc1
- v4.10
- v4.1-rc8
- v4.1-rc7
- v4.1-rc6
- v4.1-rc5
- v4.1-rc4
- v4.1-rc3
- v4.1-rc2
- v4.1-rc1
- v4.1
- v4.0-rc7
- v4.0-rc6
- v4.0-rc5
- v4.0-rc4
- v4.0-rc3
- v4.0-rc2
- v4.0-rc1
- v4.0
- v3.9-rc8
- v3.9-rc7
- v3.9-rc6
- v3.9-rc5
- v3.9-rc4
- v3.9-rc3
- v3.9-rc2
- v3.9-rc1
- v3.9
- v3.8-rc7
- v3.8-rc6
- v3.8-rc5
- v3.8-rc4
- v3.8-rc3
- v3.8-rc2
- v3.8-rc1
- v3.8
- v3.7-rc8
- v3.7-rc7
- v3.7-rc6
- v3.7-rc5
- v3.7-rc4
- v3.7-rc3
- v3.7-rc2
- v3.7-rc1
- v3.7
- v3.6-rc7
- v3.6-rc6
- v3.6-rc5
- v3.6-rc4
- v3.6-rc3
- v3.6-rc2
- v3.6-rc1
- v3.6
- v3.5-rc7
- v3.5-rc6
- v3.5-rc5
- v3.5-rc4
- v3.5-rc3
- v3.5-rc2
- v3.5-rc1
- v3.5
- v3.4-rc7
- v3.4-rc6
- v3.4-rc5
- v3.4-rc4
- v3.4-rc3
- v3.4-rc2
- v3.4-rc1
- v3.4
- v3.3-rc7
- v3.3-rc6
- v3.3-rc5
- v3.3-rc4
- v3.3-rc3
- v3.3-rc2
- v3.3-rc1
- v3.3
- v3.2-rc7
- v3.2-rc6
- v3.2-rc5
- v3.2-rc4
- v3.2-rc3
- v3.2-rc2
- v3.2-rc1
- v3.2
- v3.19-rc7
- v3.19-rc6
- v3.19-rc5
- v3.19-rc4
- v3.19-rc3
- v3.19-rc2
- v3.19-rc1
- v3.19
- v3.18-rc7
- v3.18-rc6
- v3.18-rc5
- v3.18-rc4
- v3.18-rc3
- v3.18-rc2
- v3.18-rc1
- v3.18
- v3.17-rc7
- v3.17-rc6
- v3.17-rc5
- v3.17-rc4
- v3.17-rc3
- v3.17-rc2
- v3.17-rc1
- v3.17
- v3.16-rc7
- v3.16-rc6
- v3.16-rc5
- v3.16-rc4
- v3.16-rc3
- v3.16-rc2
- v3.16-rc1
- v3.16
- v3.15-rc8
- v3.15-rc7
- v3.15-rc6
- v3.15-rc5
- v3.15-rc4
- v3.15-rc3
- v3.15-rc2
- v3.15-rc1
- v3.15
- v3.14-rc8
- v3.14-rc7
- v3.14-rc6
- v3.14-rc5
- v3.14-rc4
- v3.14-rc3
- v3.14-rc2
- v3.14-rc1
- v3.14
- v3.13-rc8
- v3.13-rc7
- v3.13-rc6
- v3.13-rc5
- v3.13-rc4
- v3.13-rc3
- v3.13-rc2
- v3.13-rc1
- v3.13
- v3.12-rc7
- v3.12-rc6
- v3.12-rc5
- v3.12-rc4
- v3.12-rc3
- v3.12-rc2
- v3.12-rc1
- v3.12
- v3.11-rc7
- v3.11-rc6
- v3.11-rc5
- v3.11-rc4
- v3.11-rc3
- v3.11-rc2
- v3.11-rc1
- v3.11
- v3.10-rc7
- v3.10-rc6
- v3.10-rc5
- v3.10-rc4
- v3.10-rc3
- v3.10-rc2
- v3.10-rc1
- v3.10
- v3.1-rc9
- v3.1-rc8
- v3.1-rc7
- v3.1-rc6
- v3.1-rc5
- v3.1-rc4
- v3.1-rc3
- v3.1-rc2
- v3.1-rc10
- v3.1-rc1
- v3.1
- v3.0-rc7
- v3.0-rc6
- v3.0-rc5
- v3.0-rc4
- v3.0-rc3
- v3.0-rc2
- v3.0-rc1
- v3.0
- v2.6.39-rc7
- v2.6.39-rc6
- v2.6.39-rc5
- v2.6.39-rc4
- v2.6.39-rc3
- v2.6.39-rc2
- v2.6.39-rc1
- v2.6.39
- v2.6.38-rc8
- v2.6.38-rc7
- v2.6.38-rc6
- v2.6.38-rc5
- v2.6.38-rc4
- v2.6.38-rc3
- v2.6.38-rc2
- v2.6.38-rc1
- v2.6.38
- v2.6.37-rc8
- v2.6.37-rc7
- v2.6.37-rc6
- v2.6.37-rc5
- v2.6.37-rc4
- v2.6.37-rc3
- v2.6.37-rc2
- v2.6.37-rc1
- v2.6.37
- v2.6.36-rc8
- v2.6.36-rc7
- v2.6.36-rc6
- v2.6.36-rc5
- v2.6.36-rc4
- v2.6.36-rc3
- v2.6.36-rc2
- v2.6.36-rc1
- v2.6.36
- v2.6.35-rc6
- v2.6.35-rc5
- v2.6.35-rc4
- v2.6.35-rc3
- v2.6.35-rc2
- v2.6.35-rc1
- v2.6.35
- v2.6.34-rc7
- v2.6.34-rc6
- v2.6.34-rc5
- v2.6.34-rc4
- v2.6.34-rc3
- v2.6.34-rc2
- v2.6.34-rc1
- v2.6.34
- v2.6.33-rc8
- v2.6.33-rc7
- v2.6.33-rc6
- v2.6.33-rc5
- v2.6.33-rc4
- v2.6.33-rc3
- v2.6.33-rc2
- v2.6.33-rc1
- v2.6.33
- v2.6.32-rc8
- v2.6.32-rc7
- v2.6.32-rc6
- v2.6.32-rc5
- v2.6.32-rc4
- v2.6.32-rc3
- v2.6.32-rc1
- v2.6.32
- v2.6.31-rc9
- v2.6.31-rc8
- v2.6.31-rc7
- v2.6.31-rc6
- v2.6.31-rc5
- v2.6.31-rc4
- v2.6.31-rc3
- v2.6.31-rc2
- v2.6.31-rc1
- v2.6.31
- v2.6.30-rc8
- v2.6.30-rc7
- v2.6.30-rc6
- v2.6.30-rc5
- v2.6.30-rc4
- v2.6.30-rc3
- v2.6.30-rc2
- v2.6.30-rc1
- v2.6.30
- v2.6.29-rc8
- v2.6.29-rc7
- v2.6.29-rc6
- v2.6.29-rc5
- v2.6.29-rc4
- v2.6.29-rc3
- v2.6.29-rc2
- v2.6.29-rc1
- v2.6.29
- v2.6.28-rc9
- v2.6.28-rc8
- v2.6.28-rc7
- v2.6.28-rc6
- v2.6.28-rc5
- v2.6.28-rc4
- v2.6.28-rc3
- v2.6.28-rc2
- v2.6.28-rc1
- v2.6.28
- v2.6.27-rc9
- v2.6.27-rc8
- v2.6.27-rc7
- v2.6.27-rc6
- v2.6.27-rc5
- v2.6.27-rc4
- v2.6.27-rc3
- v2.6.27-rc2
- v2.6.27-rc1
- v2.6.27
- v2.6.26-rc9
- v2.6.26-rc8
- v2.6.26-rc7
- v2.6.26-rc6
- v2.6.26-rc5
- v2.6.26-rc4
- v2.6.26-rc3
- v2.6.26-rc2
- v2.6.26-rc1
- v2.6.26
- v2.6.25-rc9
- v2.6.25-rc8
- v2.6.25-rc7
- v2.6.25-rc6
- v2.6.25-rc5
- v2.6.25-rc4
- v2.6.25-rc3
- v2.6.25-rc2
- v2.6.25-rc1
- v2.6.25
- v2.6.24-rc8
- v2.6.24-rc7
- v2.6.24-rc6
- v2.6.24-rc5
- v2.6.24-rc4
- v2.6.24-rc3
- v2.6.24-rc2
- v2.6.24-rc1
- v2.6.24
- v2.6.23-rc9
- v2.6.23-rc8
- v2.6.23-rc7
- v2.6.23-rc6
- v2.6.23-rc5
- v2.6.23-rc4
- v2.6.23-rc3
- v2.6.23-rc2
- v2.6.23-rc1
- v2.6.23
- v2.6.22-rc7
- v2.6.22-rc6
- v2.6.22-rc5
- v2.6.22-rc4
- v2.6.22-rc3
- v2.6.22-rc2
- v2.6.22-rc1
- v2.6.22
- v2.6.21-rc7
- v2.6.21-rc6
- v2.6.21-rc5
- v2.6.21-rc4
- v2.6.21-rc3
- v2.6.21-rc2
- v2.6.21-rc1
- v2.6.21
- v2.6.20-rc7
- v2.6.20-rc6
- v2.6.20-rc5
- v2.6.20-rc4
- v2.6.20-rc3
- v2.6.20-rc2
- v2.6.20-rc1
- v2.6.20
- v2.6.19-rc6
- v2.6.19-rc5
- v2.6.19-rc4
- v2.6.19-rc3
- v2.6.19-rc2
- v2.6.19-rc1
- v2.6.19
- v2.6.18-rc7
- v2.6.18-rc6
- v2.6.18-rc5
- v2.6.18-rc4
- v2.6.18-rc3
- v2.6.18-rc2
- v2.6.18-rc1
- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
- v2.6.17-rc3
- v2.6.17-rc2
- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
- v2.6.16-rc5
- v2.6.16-rc4
- v2.6.16-rc3
- v2.6.16-rc2
- v2.6.16-rc1
- v2.6.16
- v2.6.15-rc7
- v2.6.15-rc6
- v2.6.15-rc5
- v2.6.15-rc4
- v2.6.15-rc3
- v2.6.15-rc2
- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
- v2.6.14-rc2
- v2.6.14-rc1
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Tip revision: f443e374ae131c168a065ea1748feac6b2e76613 authored by Linus Torvalds on 20 March 2022, 20:14:17 UTC
Linux 5.17
Linux 5.17
Tip revision: f443e37
sp_fdp.c
// SPDX-License-Identifier: GPL-2.0-only
/* IEEE754 floating point arithmetic
* single precision
*/
/*
* MIPS floating point support
* Copyright (C) 1994-2000 Algorithmics Ltd.
*/
#include "ieee754sp.h"
#include "ieee754dp.h"
static inline union ieee754sp ieee754sp_nan_fdp(int xs, u64 xm)
{
return buildsp(xs, SP_EMAX + 1 + SP_EBIAS,
xm >> (DP_FBITS - SP_FBITS));
}
union ieee754sp ieee754sp_fdp(union ieee754dp x)
{
union ieee754sp y;
u32 rm;
COMPXDP;
COMPYSP;
EXPLODEXDP;
ieee754_clearcx();
FLUSHXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
x = ieee754dp_nanxcpt(x);
EXPLODEXDP;
fallthrough;
case IEEE754_CLASS_QNAN:
y = ieee754sp_nan_fdp(xs, xm);
if (!ieee754_csr.nan2008) {
EXPLODEYSP;
if (!ieee754_class_nan(yc))
y = ieee754sp_indef();
}
return y;
case IEEE754_CLASS_INF:
return ieee754sp_inf(xs);
case IEEE754_CLASS_ZERO:
return ieee754sp_zero(xs);
case IEEE754_CLASS_DNORM:
/* can't possibly be sp representable */
ieee754_setcx(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_INEXACT);
if ((ieee754_csr.rm == FPU_CSR_RU && !xs) ||
(ieee754_csr.rm == FPU_CSR_RD && xs))
return ieee754sp_mind(xs);
return ieee754sp_zero(xs);
case IEEE754_CLASS_NORM:
break;
}
/*
* Convert from DP_FBITS to SP_FBITS+3 with sticky right shift.
*/
rm = (xm >> (DP_FBITS - (SP_FBITS + 3))) |
((xm << (64 - (DP_FBITS - (SP_FBITS + 3)))) != 0);
return ieee754sp_format(xs, xe, rm);
}