366 Commits

Author	SHA1	Message	Date
Irmen de Jong	af6be44676	ir: adding register usage inspections ... fix compiler problems with untrimmed inlined asm, and when only a single return statement is present in a subroutine	2022-09-30 20:25:00 +02:00
Irmen de Jong	0d4dd385b8	added '%ir' to write inline IR code, '%asm' is now only for real 6502 assembly. ... (%ir is probably only used in the library modules for the virtual machine target)	2022-09-30 15:12:26 +02:00
Irmen de Jong	c26e116f0e	vm: fix crashes when array contains pointers/strings	2022-09-24 14:42:07 +02:00
Irmen de Jong	68abda1219	fix a few small compiler errors (removing functioncall, removing block, assigning virtual register return value)	2022-08-09 23:38:29 +02:00
Irmen de Jong	93ce74eeb1	removed problematic expression "simplifications" (that introduced arbitrary r9 temp register usage)	2022-08-07 12:26:11 +02:00
Irmen de Jong	f718f4251b	working on better encoding of romsub in new ast/vmtarget	2022-08-07 12:21:10 +02:00
Irmen de Jong	4644c9b621	got rid of GoSub ast node and codegen complexity related to that. ... sometimes programs get smaller, sometimes bigger.	2022-08-07 03:24:20 +02:00
Irmen de Jong	05f935b598	simplify & fix recursion detector	2022-07-22 22:22:43 +02:00
Irmen de Jong	35af53828a	fix endless loop in optimizer, fix cx16 register clobbering in psg interrupt handler, fix crash on certain arrays, fix undefined symbol when it's in another imported module	2022-07-13 18:42:06 +02:00
Irmen de Jong	edf12bec71	improve bool params typecasting, fix compiler crash on abs(floatvar)	2022-07-12 17:52:37 +02:00
Irmen de Jong	88cbb6913d	tweak bool type handling	2022-07-11 14:55:50 +02:00
Irmen de Jong	7a26646e1b	tweak bool type handling	2022-07-11 02:08:12 +02:00
Irmen de Jong	92eb3b0bf6	bool logical testcase	2022-07-09 22:29:38 +02:00
Irmen de Jong	211e2bb37a	improved bool type checking	2022-07-08 22:29:13 +02:00
Irmen de Jong	81b3d2db4f	fix compiler crash	2022-07-08 21:50:06 +02:00
Irmen de Jong	1dfa8ee7d8	add ARRAY_BOOL array type	2022-07-07 23:07:30 +02:00
Irmen de Jong	1163543a98	fix bool param lookup problem	2022-07-07 22:23:56 +02:00
Irmen de Jong	bdb7de34be	added several compiler checks against weird boolean type use in expressions	2022-07-07 22:23:56 +02:00
Irmen de Jong	9500fc11ac	document new bool datatype and removal of boolean() conversion function	2022-07-07 22:23:56 +02:00
Irmen de Jong	41f4e22a17	introduce BOOL type	2022-07-07 22:23:56 +02:00
Irmen de Jong	25aad8d7be	improve const-evaluation of builtin expressions	2022-07-02 16:29:01 +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	97cb0cbd08	tweak "not" removal/rewriting	2022-06-30 02:16:30 +02:00
Irmen de Jong	4b358abbb7	"not" operator removed from ast and codegen (it's been replaced with x==0 as equivalent)	2022-06-29 01:13:08 +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	af98d01053	failed attempt at McCarthy shortcut evaluation	2022-06-27 21:40:48 +02:00
Irmen de Jong	bb1cda0916	fix: boolean values of terms in logical expressions are now properly evaluated	2022-06-26 23:55:34 +02:00
Irmen de Jong	eea09f4de5	fix invalid asm label sometimes generated for multiple loops in same subroutine	2022-06-24 02:26:45 +02:00
Irmen de Jong	cc174b7b85	added boolean() builtin function and use it to get rid of !=0 comparisons	2022-06-14 23:34:45 +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	775c85fc18	don't swap operands that would change function evaluation order + vm: fix label casing error	2022-06-13 00:25:45 +02:00
Irmen de Jong	5a756aaed9	Pipe expression "|>" removed from the language	2022-06-12 18:41:42 +02:00
Irmen de Jong	c6e92ecac4	some code cleanup	2022-06-12 16:15:08 +02:00
Irmen de Jong	710f27afa9	bump library versions	2022-06-09 22:44:17 +02:00
Irmen de Jong	b042b7705e	fix invalid removal of repeated assignments.	2022-06-06 17:27:06 +02:00
Irmen de Jong	3054a1d32d	api change: removed swap() builtin function (too complex in codegen for little used function)	2022-06-06 16:01:11 +02:00
Irmen de Jong	46ca0ac10d	properly optimize X - -1 and X + -1, this also fixes type change of ubyte - 2 + 10	2022-06-05 15:35:29 +02:00
Irmen de Jong	031f647952	allow casting negative numbers to unsigned, result = 2's complement	2022-06-05 14:21:10 +02:00
Irmen de Jong	7f69517fd4	preparing optimizing pointer indexing	2022-06-04 16:18:27 +02:00
Irmen de Jong	ba614801ee	cleanup	2022-05-22 23:11:22 +02:00
Irmen de Jong	fd6eb47e68	added inlining certain trivial non-asm subroutine calls	2022-05-22 20:22:09 +02:00
Irmen de Jong	627aa61184	clean up subroutine inlining, basis for new try	2022-05-09 15:42:58 +02:00
Irmen de Jong	942c5cc04b	fix crash when optimizing pipe expression too aggressively	2022-05-07 17:29:36 +02:00
Irmen de Jong	b32641db87	remove syscall() builtin functions ... vm code can do this via inline assembly	2022-05-01 00:41:30 +02:00
Irmen de Jong	7844ace934	vm: implementing floating-point	2022-04-29 22:27:02 +02:00
Irmen de Jong	6471c0c536	upgrade antlr to 4.10.1	2022-04-24 23:29:15 +02:00
Irmen de Jong	7eea97d741	- floats: remove all floating point builtin functions and move them to the floats module instead	2022-04-22 00:45:54 +02:00
Irmen de Jong	7dbff5b9e6	abs: remove support for floats. Use floats.fabs() instead. ... this solves: can't use abs() etc in pipe expression because return type depends on argument type	2022-04-14 00:38:31 +02:00
Irmen de Jong	220246278a	removed sum(), max(), min(). abs() now always returns uword type. ... This greatly simplifies internal handling of builtin functions by always having one fixed return type.	2022-04-14 00:21:16 +02:00