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b2441318 | 1 | ! SPDX-License-Identifier: GPL-2.0 |
086e9dc0 JH |
2 | ! Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
3 | ! Imagination Technologies Ltd | |
4 | ! | |
5 | ! Integer modulus routines. | |
6 | ! | |
7 | !! | |
8 | !! 32-bit modulus unsigned i/p - passed unsigned 32-bit numbers | |
9 | !! | |
10 | .text | |
11 | .global ___umodsi3 | |
12 | .type ___umodsi3,function | |
13 | .align 2 | |
14 | ___umodsi3: | |
15 | MOV D0FrT,D1RtP ! Save original return address | |
16 | CALLR D1RtP,___udivsi3 | |
17 | MOV D1RtP,D0FrT ! Recover return address | |
18 | MOV D0Re0,D1Ar1 ! Return remainder | |
19 | MOV PC,D1RtP | |
20 | .size ___umodsi3,.-___umodsi3 | |
21 | ||
22 | !! | |
23 | !! 32-bit modulus signed i/p - passed signed 32-bit numbers | |
24 | !! | |
25 | .global ___modsi3 | |
26 | .type ___modsi3,function | |
27 | .align 2 | |
28 | ___modsi3: | |
29 | MOV D0FrT,D1RtP ! Save original return address | |
30 | MOV A0.2,D1Ar1 ! Save A in A0.2 | |
31 | CALLR D1RtP,___divsi3 | |
32 | MOV D1RtP,D0FrT ! Recover return address | |
33 | MOV D1Re0,A0.2 ! Recover A | |
34 | MOV D0Re0,D1Ar1 ! Return remainder | |
35 | ORS D1Re0,D1Re0,D1Re0 ! Was A negative? | |
36 | NEG D1Ar1,D1Ar1 ! Negate remainder | |
37 | MOVMI D0Re0,D1Ar1 ! Return neg remainder | |
38 | MOV PC, D1RtP | |
39 | .size ___modsi3,.-___modsi3 |