diff options
Diffstat (limited to 'arch/mips/math-emu/sp_simple.c')
-rw-r--r-- | arch/mips/math-emu/sp_simple.c | 39 |
1 files changed, 10 insertions, 29 deletions
diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c index ae4fcfafd853..f1ffaa9a17e0 100644 --- a/arch/mips/math-emu/sp_simple.c +++ b/arch/mips/math-emu/sp_simple.c | |||
@@ -5,8 +5,6 @@ | |||
5 | * MIPS floating point support | 5 | * MIPS floating point support |
6 | * Copyright (C) 1994-2000 Algorithmics Ltd. | 6 | * Copyright (C) 1994-2000 Algorithmics Ltd. |
7 | * | 7 | * |
8 | * ######################################################################## | ||
9 | * | ||
10 | * This program is free software; you can distribute it and/or modify it | 8 | * This program is free software; you can distribute it and/or modify it |
11 | * under the terms of the GNU General Public License (Version 2) as | 9 | * under the terms of the GNU General Public License (Version 2) as |
12 | * published by the Free Software Foundation. | 10 | * published by the Free Software Foundation. |
@@ -18,33 +16,17 @@ | |||
18 | * | 16 | * |
19 | * You should have received a copy of the GNU General Public License along | 17 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write to the Free Software Foundation, Inc., | 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
21 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | 19 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
22 | * | ||
23 | * ######################################################################## | ||
24 | */ | 20 | */ |
25 | 21 | ||
26 | |||
27 | #include "ieee754sp.h" | 22 | #include "ieee754sp.h" |
28 | 23 | ||
29 | int ieee754sp_finite(ieee754sp x) | 24 | union ieee754sp ieee754sp_neg(union ieee754sp x) |
30 | { | ||
31 | return SPBEXP(x) != SP_EMAX + 1 + SP_EBIAS; | ||
32 | } | ||
33 | |||
34 | ieee754sp ieee754sp_copysign(ieee754sp x, ieee754sp y) | ||
35 | { | ||
36 | CLEARCX; | ||
37 | SPSIGN(x) = SPSIGN(y); | ||
38 | return x; | ||
39 | } | ||
40 | |||
41 | |||
42 | ieee754sp ieee754sp_neg(ieee754sp x) | ||
43 | { | 25 | { |
44 | COMPXSP; | 26 | COMPXSP; |
45 | 27 | ||
46 | EXPLODEXSP; | 28 | EXPLODEXSP; |
47 | CLEARCX; | 29 | ieee754_clearcx(); |
48 | FLUSHXSP; | 30 | FLUSHXSP; |
49 | 31 | ||
50 | /* | 32 | /* |
@@ -55,30 +37,29 @@ ieee754sp ieee754sp_neg(ieee754sp x) | |||
55 | SPSIGN(x) ^= 1; | 37 | SPSIGN(x) ^= 1; |
56 | 38 | ||
57 | if (xc == IEEE754_CLASS_SNAN) { | 39 | if (xc == IEEE754_CLASS_SNAN) { |
58 | ieee754sp y = ieee754sp_indef(); | 40 | union ieee754sp y = ieee754sp_indef(); |
59 | SETCX(IEEE754_INVALID_OPERATION); | 41 | ieee754_setcx(IEEE754_INVALID_OPERATION); |
60 | SPSIGN(y) = SPSIGN(x); | 42 | SPSIGN(y) = SPSIGN(x); |
61 | return ieee754sp_nanxcpt(y, "neg"); | 43 | return ieee754sp_nanxcpt(y); |
62 | } | 44 | } |
63 | 45 | ||
64 | return x; | 46 | return x; |
65 | } | 47 | } |
66 | 48 | ||
67 | 49 | union ieee754sp ieee754sp_abs(union ieee754sp x) | |
68 | ieee754sp ieee754sp_abs(ieee754sp x) | ||
69 | { | 50 | { |
70 | COMPXSP; | 51 | COMPXSP; |
71 | 52 | ||
72 | EXPLODEXSP; | 53 | EXPLODEXSP; |
73 | CLEARCX; | 54 | ieee754_clearcx(); |
74 | FLUSHXSP; | 55 | FLUSHXSP; |
75 | 56 | ||
76 | /* Clear sign ALWAYS, irrespective of NaN */ | 57 | /* Clear sign ALWAYS, irrespective of NaN */ |
77 | SPSIGN(x) = 0; | 58 | SPSIGN(x) = 0; |
78 | 59 | ||
79 | if (xc == IEEE754_CLASS_SNAN) { | 60 | if (xc == IEEE754_CLASS_SNAN) { |
80 | SETCX(IEEE754_INVALID_OPERATION); | 61 | ieee754_setcx(IEEE754_INVALID_OPERATION); |
81 | return ieee754sp_nanxcpt(ieee754sp_indef(), "abs"); | 62 | return ieee754sp_nanxcpt(ieee754sp_indef()); |
82 | } | 63 | } |
83 | 64 | ||
84 | return x; | 65 | return x; |