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fix IR address-of for array-indexed pointers (pointer arithmetic)

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Irmen de Jong
2025-08-18 03:05:15 +02:00
parent 826fb3e9c2
commit f74eeaee0f
4 changed files with 146 additions and 9 deletions
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docs/source/todo.rst
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TODO
====
fix 6502 code gen errors for the address-of (assignAddressOfIndexedPointer)
fix 6502 code gen errors that make some of the pointer examples crash. Important to do this before building more on wrong code!
fix compiler crash (virtual) for ^^List @shared lp ; ^^List @shared temp = lp[2]
fix invalid pointer arithmetic in 6502 code for &&lp[2] (it adds 2 to the pointer itself rather than the value of the pointer, and 2 is wrong as well)
add IR peephole optimization for mul / div by factor of 2 -> bitshift
STRUCTS and TYPED POINTERS (6502 codegen specific)
--------------------------------------------------
- implement the TODO's in PointerAssignmentsGen. (mostly related to an array indexed pointer assignment target)
- 6502 codegen should warn about writing to initialized struct instances when using romable code, like with arrays "can only be used as read-only in ROMable code"
- 6502 asm symbol name prefixing should work for dereferences and structs too.
- scan through 6502 library modules to change untyped uword pointers to typed pointers
- scan through 6502 examples to change untyped uword pointers to typed pointers
- fix code size regressions (if any left)