Commit Graph

871 Commits

Author SHA1 Message Date
Dmitry Stogov
386b140265 Refactor Linear Scan Register Allocator to use linked lists instead of bitsets
This fixes allocation of several temporary variables for single instruction
2022-05-12 17:43:08 +03:00
Dmitry Stogov
1028d7d330 Fix reading behind array range 2022-05-12 11:04:20 +03:00
Dmitry Stogov
d3c4844da7 Fix reading behind array range 2022-05-12 10:57:38 +03:00
Dmitry Stogov
c2d224148b Use prefered register if possible 2022-05-11 21:10:35 +03:00
Dmitry Stogov
f8edcb9762 Fix possible crash 2022-05-11 18:18:28 +03:00
Dmitry Stogov
6d7ea2fd37 Prevent crash when dump dessa moves with -O0 2022-05-11 17:05:29 +03:00
Dmitry Stogov
4569d80218 Remove temporary test files 2022-05-06 19:19:04 +03:00
Dmitry Stogov
2580813c48 cleanup 2022-05-06 19:05:39 +03:00
Dmitry Stogov
69b5a852e5 Make DESSA API use "ir_ref" instead of "virtual register number"
(0 - is still a temporary register)
2022-05-06 16:19:57 +03:00
Dmitry Stogov
b2033ebaf9 Fixed parallel copy 2022-05-06 13:32:20 +03:00
Dmitry Stogov
b6ce5055e1 Fix register usage in CALL 2022-05-06 13:12:19 +03:00
Dmitry Stogov
2403fa1edc Fix spill loads during argument passing 2022-05-06 12:55:07 +03:00
Dmitry Stogov
b580c926e6 Avoid need for temporary register for parameters loading 2022-05-06 11:27:24 +03:00
Dmitry Stogov
e434c0a8aa Cleanup and add asserion for unimplemented case 2022-05-06 11:10:09 +03:00
Dmitry Stogov
9d51134813 cleanup 2022-05-06 10:37:25 +03:00
Dmitry Stogov
89f320d7b7 Add SWITCH support for temporary registers 2022-05-06 10:00:19 +03:00
Dmitry Stogov
9f1ca6b82c Add IR_LIVE_INTERVAL_TEMP and IR_LIVE_INTERVAL_VAR flags 2022-05-06 09:23:14 +03:00
Dmitry Stogov
048ff19133 cleanup 2022-05-05 23:43:16 +03:00
Dmitry Stogov
3c6e4c8b3a Use -O2 for release build 2022-05-05 22:37:25 +03:00
Dmitry Stogov
dd5a3a3b72 Add flexible support for temporary registers.
Get rid of hardcoded temporary registers (incomplete)
2022-05-05 22:35:39 +03:00
Dmitry Stogov
7de4566498 Add tests for 64-bit constants 2022-05-04 15:37:07 +03:00
Dmitry Stogov
1130c256ae Find optimal split position 2022-05-04 11:59:35 +03:00
Dmitry Stogov
4f294109e8 Result of PARAM may be stored into a spill slot without register 2022-05-04 09:50:23 +03:00
Dmitry Stogov
a5b676b590 Fix incorrect operands order 2022-05-04 09:11:05 +03:00
Dmitry Stogov
1b156c49e8 Use "hint" regiser only if it's not disabled by "--debug-regset" 2022-05-04 09:08:23 +03:00
Dmitry Stogov
27540fd43a Use optimal split position (incompete) 2022-04-29 19:24:15 +03:00
Dmitry Stogov
b3c61507a4 Fixed possible incorrect splitting 2022-04-29 18:50:57 +03:00
Dmitry Stogov
102b367d64 cleanup 2022-04-29 15:24:41 +03:00
Dmitry Stogov
f5f9614854 cleanup 2022-04-29 14:19:53 +03:00
Dmitry Stogov
23945c4bdc Better debug logging 2022-04-29 12:14:26 +03:00
Dmitry Stogov
2e3ba321f8 Swap UsePos flags and prefer to reload registers that SHOULD be in a CPU register 2022-04-29 03:39:32 +03:00
Dmitry Stogov
3e6f84eef4 Add "must be in reg" constraint 2022-04-28 14:48:43 +03:00
Dmitry Stogov
ea46798aeb Fix live interval splitting and second chance binpacking (it seems to work, but may be icomplete) 2022-04-28 13:09:55 +03:00
Dmitry Stogov
acffada3b1 Fix interval processing order 2022-04-28 10:27:01 +03:00
Dmitry Stogov
fffc0ad2ef Delay spill slot allocation 2022-04-28 10:16:02 +03:00
Dmitry Stogov
240259adf8 add task 2022-04-28 09:23:02 +03:00
Dmitry Stogov
53532fcb39 Select better register 2022-04-28 01:25:10 +03:00
Dmitry Stogov
5b7a7decd0 Fix splitting of use positions 2022-04-28 00:12:01 +03:00
Dmitry Stogov
9287830a77 Process remaining splits after all unhandled intervals 2022-04-27 23:31:20 +03:00
Dmitry Stogov
59b63cbb91 Sort oputput UsePos after inputs 2022-04-27 21:24:51 +03:00
Dmitry Stogov
7f8f186abd Fix the way as linera-scan walks through splitted intervals 2022-04-27 18:18:53 +03:00
Dmitry Stogov
6e77f886cb LSRA tweaks 2022-04-27 15:02:51 +03:00
Dmitry Stogov
2b9e793b4e Add debug options 2022-04-27 14:47:52 +03:00
Dmitry Stogov
c89246f35a Replace asserts with checks 2022-04-27 01:34:29 +03:00
Dmitry Stogov
329e1f5a44 Fix splitting (incomplete) 2022-04-27 01:04:03 +03:00
Dmitry Stogov
310f605d6c Fix register clobbering 2022-04-26 22:49:41 +03:00
Dmitry Stogov
beaa2744e1 Keep fixed live intervals after coalescing 2022-04-26 21:16:22 +03:00
Dmitry Stogov
1370629b47 Fixed interval sorting 2022-04-26 11:51:48 +03:00
Dmitry Stogov
6548818887 Improve interval splitting (incomplete) 2022-04-26 00:54:07 +03:00
Dmitry Stogov
648d7084bc Fix intrval reconstruction after operand swapping 2022-04-25 21:00:01 +03:00