1 /*****************************************************************************/
5 /* Optimize stores through pointers */
9 /* (C) 2012, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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. */
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20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
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 */
32 /*****************************************************************************/
36 #ifndef COPTPTRSTORE_H
37 #define COPTPTRSTORE_H
46 /*****************************************************************************/
48 /*****************************************************************************/
52 unsigned OptPtrStore1 (CodeSeg* S);
53 /* Search for the sequence:
95 * depending on the two instructions preceeding the sequence above.
98 unsigned OptPtrStore2 (CodeSeg* S);
99 /* Search for the sequence:
146 * depending on the code preceeding the sequence above.
149 unsigned OptPtrStore3 (CodeSeg* S);
150 /* Search for the sequence:
170 * In case a/x is loaded from the register bank before the pushax, we can even
171 * use the register bank instead of ptr1.
177 /* End of coptptrstore.h */