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comparison libgcc/config/lm32/_ashlsi3.S @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents
children 04ced10e8804
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52:c156f1bd5cd9 55:77e2b8dfacca
1 # _ashlsi3.S for Lattice Mico32
2 # Contributed by Jon Beniston <jon@beniston.com> and Richard Henderson.
3 #
4 # Copyright (C) 2009 Free Software Foundation, Inc.
5 #
6 # This file is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the
8 # Free Software Foundation; either version 3, or (at your option) any
9 # later version.
10 #
11 # This file is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
15 #
16 # Under Section 7 of GPL version 3, you are granted additional
17 # permissions described in the GCC Runtime Library Exception, version
18 # 3.1, as published by the Free Software Foundation.
19 #
20 # You should have received a copy of the GNU General Public License and
21 # a copy of the GCC Runtime Library Exception along with this program;
22 # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 # <http://www.gnu.org/licenses/>.
24 #
25
26 /* Arithmetic left shift. */
27
28 .text
29
30 .global __ashlsi3
31 .type __ashlsi3,@function
32
33 .align 4
34 __ashlsi3:
35 /* Only use 5 LSBs, as that's all the h/w shifter uses. */
36 andi r2, r2, 0x1f
37 /* Get address of offset into unrolled shift loop to jump to. */
38 #ifdef __PIC__
39 lw r3, (gp+got(__ashlsi3_0))
40 #else
41 mvhi r3, hi(__ashlsi3_0)
42 ori r3, r3, lo(__ashlsi3_0)
43 #endif
44 add r2, r2, r2
45 add r2, r2, r2
46 sub r3, r3, r2
47 b r3
48
49 __ashlsi3_31:
50 add r1, r1, r1
51 __ashlsi3_30:
52 add r1, r1, r1
53 __ashlsi3_29:
54 add r1, r1, r1
55 __ashlsi3_28:
56 add r1, r1, r1
57 __ashlsi3_27:
58 add r1, r1, r1
59 __ashlsi3_26:
60 add r1, r1, r1
61 __ashlsi3_25:
62 add r1, r1, r1
63 __ashlsi3_24:
64 add r1, r1, r1
65 __ashlsi3_23:
66 add r1, r1, r1
67 __ashlsi3_22:
68 add r1, r1, r1
69 __ashlsi3_21:
70 add r1, r1, r1
71 __ashlsi3_20:
72 add r1, r1, r1
73 __ashlsi3_19:
74 add r1, r1, r1
75 __ashlsi3_18:
76 add r1, r1, r1
77 __ashlsi3_17:
78 add r1, r1, r1
79 __ashlsi3_16:
80 add r1, r1, r1
81 __ashlsi3_15:
82 add r1, r1, r1
83 __ashlsi3_14:
84 add r1, r1, r1
85 __ashlsi3_13:
86 add r1, r1, r1
87 __ashlsi3_12:
88 add r1, r1, r1
89 __ashlsi3_11:
90 add r1, r1, r1
91 __ashlsi3_10:
92 add r1, r1, r1
93 __ashlsi3_9:
94 add r1, r1, r1
95 __ashlsi3_8:
96 add r1, r1, r1
97 __ashlsi3_7:
98 add r1, r1, r1
99 __ashlsi3_6:
100 add r1, r1, r1
101 __ashlsi3_5:
102 add r1, r1, r1
103 __ashlsi3_4:
104 add r1, r1, r1
105 __ashlsi3_3:
106 add r1, r1, r1
107 __ashlsi3_2:
108 add r1, r1, r1
109 __ashlsi3_1:
110 add r1, r1, r1
111 __ashlsi3_0:
112 ret
113
114