155 Commits

Author	SHA1	Message	Date
Irmen de Jong	540b3ae2f4	tweak BinaryExpression splitting	2023-02-28 21:45:38 +01:00
Irmen de Jong	fb9902c536	avoid const fold loop on const bool thing=true ... fixes #97	2023-02-22 21:27:08 +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	002006517a	rewrite bool=bool^1 into bool=not bool	2022-12-29 19:42:38 +01:00
Irmen de Jong	b526e132a7	better warning + don't remove non-trivial initializer expression for unused variables	2022-12-24 17:22:30 +01:00
Irmen de Jong	ca7932c4f0	no longer do return value optimization with tempvar, this caused invalid code sometimes.	2022-12-14 22:33:16 +01:00
Irmen de Jong	0694a187d7	unsigned>0 now optimized into unsigned!=0	2022-12-12 20:37:57 +01:00
Irmen de Jong	f2273c0acc	fix several FP rom routine addresses on cx16.	2022-12-03 19:56:54 +01:00
Irmen de Jong	df1793efbf	fixed: word << 12 is suddenly an uword (with optimizer on)	2022-11-15 03:00:41 +01:00
Irmen de Jong	8f3aaf77a1	fix optimizer hanging on uword xx :: xx >>= 8 / xx=msb(xx)	2022-11-15 01:40:13 +01:00
Irmen de Jong	562d722ad5	codegen: added missing codegen for float array inplace modification	2022-11-03 20:08:46 +01:00
Irmen de Jong	144c1ba3a6	ir: fix float instruction value in formatspec	2022-11-03 19:08:38 +01:00
Irmen de Jong	5b35232ab4	fix "fpReg1 out of bounds" crash for vm target for in-place float array assignment. #85	2022-10-29 17:04:39 +02:00
Irmen de Jong	6830e15b4e	print warning when bit shifts are too large and result in 0. #83	2022-10-29 15:23:39 +02:00
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	101b33c381	split intermediate representation into separate module	2022-09-13 23:06:05 +02:00
Irmen de Jong	18790d867c	optimize conditional expression WORD & $ff00 to just msb(WORD)&$ff	2022-08-12 00:21:44 +02:00
Irmen de Jong	4d840c7db8	optimized mkword(0, X)	2022-08-11 22:51:09 +02:00
Irmen de Jong	4d2b21816d	optimized uword <<8 and >>8	2022-08-11 22:25:15 +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	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	046dceb5c2	added optimized case for signed division by 2	2022-07-24 13:59:35 +02:00
Irmen de Jong	dcc1f00048	fix rounding errors in signed divide by power-of-two ... The optimized bit-shifting division is removed (for now)	2022-07-24 12:34:55 +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	68da661edc	optimize comparison to true/1 into comparison to zero, optimize while/until conditions	2022-07-11 16:42:52 +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	41f4e22a17	introduce BOOL type	2022-07-07 22:23:56 +02:00
Irmen de Jong	7fff4f249d	optimize msb(cx16.r0) -> cx16.r0H, lsb(cx16.r0) -> cx16.r0L	2022-07-02 21:38:22 +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	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	dca092fd7c	fix pipe expression when start term is constant number	2022-06-12 16:59:28 +02:00
Irmen de Jong	c6e92ecac4	some code cleanup	2022-06-12 16:15:08 +02:00
Irmen de Jong	f7183e38ee	tweak trivial subroutine inlining	2022-06-08 21:05:03 +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	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	348b3036ff	now correctly accepts "xxx" * constexpr (where constexpr is not just a single const number)	2022-05-05 23:21:20 +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
Irmen de Jong	207a7e5160	move operator lists	2022-04-10 13:24:17 +02:00
Irmen de Jong	036d9dbe59	got rid of unnecessary cast of boolean expressions by making their type dynamically adjust to byte or word	2022-04-04 23:43:55 +02:00
Irmen de Jong	ae45ce517e	cleanups	2022-04-03 17:33:50 +02:00