1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* coptsize.c */ |
4 | /* */ |
5 | /* Size optimizations */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2002 Ullrich von Bassewitz */ |
10 | /* Wacholderweg 14 */ |
11 | /* D-70597 Stuttgart */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
15 | /* This software is provided 'as-is', without any expressed or implied */ |
16 | /* warranty. In no event will the authors be held liable for any damages */ |
17 | /* arising from the use of this software. */ |
18 | /* */ |
19 | /* Permission is granted to anyone to use this software for any purpose, */ |
20 | /* including commercial applications, and to alter it and redistribute it */ |
21 | /* freely, subject to the following restrictions: */ |
22 | /* */ |
23 | /* 1. The origin of this software must not be misrepresented; you must not */ |
24 | /* claim that you wrote the original software. If you use this software */ |
25 | /* in a product, an acknowledgment in the product documentation would be */ |
26 | /* appreciated but is not required. */ |
27 | /* 2. Altered source versions must be plainly marked as such, and must not */ |
28 | /* be misrepresented as being the original software. */ |
29 | /* 3. This notice may not be removed or altered from any source */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | #ifndef COPTSIZE_H |
37 | #define COPTSIZE_H |
38 | |
39 | |
40 | |
41 | /* cc65 */ |
42 | #include "codeseg.h" |
43 | |
44 | |
45 | |
46 | /*****************************************************************************/ |
47 | /* Code */ |
48 | /*****************************************************************************/ |
49 | |
50 | |
51 | |
52 | unsigned OptSize1 (CodeSeg* S); |
53 | /* Do size optimization by calling special subroutines that preload registers. |
54 | ** This routine does not work standalone, it needs a following register load |
55 | ** removal pass. |
56 | */ |
57 | |
58 | unsigned OptSize2 (CodeSeg* S); |
59 | /* Do size optimization by using shorter code sequences, even if this |
60 | ** introduces relations between instructions. This step must be one of the |
61 | ** last steps, because it makes further work much more difficult. |
62 | */ |
63 | |
64 | |
65 | |
66 | /* End of coptsize.h */ |
67 | |
68 | #endif |
69 | |