Commit Graph

119 Commits

Author SHA1 Message Date
Irmen de Jong
2675623aea fix optimization ast parent linkage problem 2024-04-16 23:27:22 +02:00
Irmen de Jong
cfe3fcc9e7 fix symbol table issue 2024-04-06 12:53:33 +02:00
Irmen de Jong
66a6659a6e cbm.STOP2() and cbm.GETIN2() convenience routines 2024-04-06 02:16:21 +02:00
Irmen de Jong
ad4880997a no operand swap on logical expressions with shortcircuit evaluation (and,or are no longer associative!) 2024-03-20 22:34:48 +01:00
Irmen de Jong
de3d0b40dc fixed vm problem with branching instructions in global init chunk 2024-03-17 13:22:17 +01:00
Irmen de Jong
a5110b1f96 improved De Morgan rewrite rules 2024-03-02 23:19:39 +01:00
Irmen de Jong
f40b7b62bb updated unit tests and some basic changes for them 2024-03-02 23:19:20 +01:00
Irmen de Jong
01bbc2234e fix absorption law optimization, add 2 additional optimizations 2024-02-14 23:12:54 +01:00
Irmen de Jong
4dc50cb551 fix unused subroutine removal not removing all unused subs 2024-02-10 21:26:53 +01:00
Irmen de Jong
358215e4dd removed postIncrDecr (still allow ++/-- to be parsed into +=1/-=1) 2024-02-06 18:50:08 +01:00
Irmen de Jong
a8c09d6144 removed a problematic bitshift replacement in the const evaluator 2024-01-21 23:05:51 +01:00
Irmen de Jong
bc3f2db3de Fix call graph to no longer mark subroutines unused, that still get their variables referenced somewhere.
Revert palette.default_colors_16[] back to palette.set_default16.colors.
2024-01-11 22:12:01 +01:00
Irmen de Jong
f8084e7955 fix const replacement optimization error on memory mapped variable 2024-01-07 18:48:18 +01:00
Irmen de Jong
6d9fccacb1 boolean not expression tweaks and optimizations 2024-01-05 13:32:16 +01:00
Irmen de Jong
37638e7ed0 added Absorption laws optimization 2024-01-05 00:36:47 +01:00
Irmen de Jong
8a0e650511 apply De Morgan's laws for logical not, results in smaller code 2024-01-04 23:45:46 +01:00
Irmen de Jong
56ba24962c fixed 'not not x' optimization to just 'x' 2024-01-04 15:02:21 +01:00
Irmen de Jong
8f18b5b8a7 keep distinction between logical and bitwise boolean operators 2023-12-30 01:08:42 +01:00
Irmen de Jong
d03ff1e4d0 improved var -> const replacement, now done in constfolding already (fixes some obscure problems later on)
Also fixed some directive parenting errors
2023-12-29 19:48:40 +01:00
Irmen de Jong
a0594cbce3 const optimizer now knows about a bunch of library functions, such as math.* 2023-12-28 20:14:13 +01:00
Irmen de Jong
44d82f9190 add unit tests 2023-12-28 13:30:07 +01:00
Irmen de Jong
09c6cb4d6b replace unwritten vars by consts. Improved const eval.
Fixed some slight bugs in library code
2023-12-28 05:17:15 +01:00
Irmen de Jong
ffdc658dc8 type error tweaks 2023-12-26 18:49:01 +01:00
Irmen de Jong
6bc079c7b7 more asm symbol prefixing: variables with p8v_, subroutines with p8s_ etc
labels with p8l_ . All this to avoid symbol clashes in the generated assembly code.
Everything got its own distinguishing prefix so we're done with it once and for all and have only 1 breaking change moment.
2023-12-20 22:20:59 +01:00
Irmen de Jong
a8be94de6b better error message when attempting to cast a float to integer 2023-12-15 22:28:06 +01:00
Irmen de Jong
6ebd4e821f improved docs about subroutine scoping, fix possible optimizer crash for inlined sub 2023-12-04 23:23:52 +01:00
Irmen de Jong
88a1aa4f3d fix invalid optimization for integers (X/C1)*C2 , only ok for floats because of int rounding 2023-12-01 23:17:49 +01:00
Irmen de Jong
62d3f01948 fix name check in inline asm
this no longer removes a subroutine that is otherwise only called from inlined asm.
2023-11-21 01:26:50 +01:00
Irmen de Jong
f21adaa3ef fix compiler error caused by removal of string symbol in txt.print() optimization 2023-11-17 19:51:48 +01:00
Irmen de Jong
70a78e74f6 get rid of binexpr splitter 2023-07-20 01:36:43 +02:00
Irmen de Jong
38efe25c68 abs() now works on multiple data types including float.
no need to use floats.fabs() anymore
2023-05-02 01:19:53 +02:00
Irmen de Jong
dc32318cec fix possible string error on inlined subroutines 2023-03-12 18:16:48 +01:00
Irmen de Jong
fc253237c9 fix issues with reporting inlined subroutines as unused 2023-03-07 23:47:14 +01:00
Irmen de Jong
540b3ae2f4 tweak BinaryExpression splitting 2023-02-28 21:45:38 +01:00
Irmen de Jong
cf3523f49f Merge branch 'codegen-on-new-ast' 2023-02-14 22:48:11 +01:00
Irmen de Jong
bceaebe856 fix crash on sort/reverse unused arrays
fixes #95
2023-02-14 00:26:29 +01:00
Irmen de Jong
6aabbffc62 some cleanups 2023-02-09 02:34:18 +01:00
Irmen de Jong
f117805129 order 2023-02-05 12:36:32 +01:00
Irmen de Jong
81bd5c784e don't remove consecutive assigns to IO space location 2022-12-24 18:01:54 +01:00
Irmen de Jong
88cbb6913d tweak bool type handling 2022-07-11 14:55:50 +02:00
Irmen de Jong
24d13dd120 fix problematic optimizations to logical expressions 2022-07-02 00:56:24 +02:00
Irmen de Jong
965340ff90 logical and/or/xor/not all replaced by bitwise &,|,^,~ (ast, codegens)
this also fixed some invalid outcomes of logical expressions!
2022-07-02 00:38:17 +02:00
Irmen de Jong
2eb41a8caf temporary workaround for code problem around 'not' 2022-07-01 00:38:19 +02:00
Irmen de Jong
97cb0cbd08 tweak "not" removal/rewriting 2022-06-30 02:16:30 +02:00
Irmen de Jong
dc82a0fc16 better not(x) replacement by x==0 2022-06-28 23:50:23 +02:00
Irmen de Jong
435d6f6f3f vm: and/or/xor/not are all bitwise operations again 2022-06-28 03:17:51 +02:00
Irmen de Jong
ef92451d1a fix logical expressions on arbitrary values, for now with boolean() around the operands 2022-06-28 01:18:36 +02:00
Irmen de Jong
c75bd97537 update kotest 2022-06-26 18:51:03 +02:00
Irmen de Jong
bf9d120081 logical operators now always return a boolean byte result, instead of sometimes word type as well
(preparing for codegen simplifications for these)
2022-06-13 01:37:16 +02:00
Irmen de Jong
031f647952 allow casting negative numbers to unsigned, result = 2's complement 2022-06-05 14:21:10 +02:00