Commit Graph

22 Commits (3e485652feb276a51667843f9a95173f9c862425)

Author SHA1 Message Date
Doug Coleman ce046b77c8 compiler: rename D to D: because it wants a token. Same for R -> R: 2015-08-13 15:23:10 -07:00
Björn Lindqvist 6dd2fe31b6 compiler.cfg.stacks.*: new attempt at fixing the gc maps bugs
the padding vocab is inverted so that instead of trying to track which
locations are live, it tracks those which are dead which is much easier
to get right.
2015-05-17 07:59:34 +02:00
Björn Lindqvist ecf3829843 compiler.cfg.stacks.*: new vocab 'padding' to perform much more accurate
live analysis. it will replace the 'map' vocab
2015-05-09 20:04:22 -07:00
Björn Lindqvist 837e098d41 compiler.cfg.*: a little more docs 2015-04-29 09:31:54 -07:00
Björn Lindqvist acc1bd3221 compiler.*: removing the check-d and check-r slots from gc-map and adjusting code that depended on those 2015-04-29 09:31:53 -07:00
Björn Lindqvist ded3760d46 compiler.*: merge of ##inc-r and ##inc-d into one instruction ##inc with a loc slot
this is nice because it leads to simpler code and matches how ##peek and ##replace instructions work
2015-04-29 09:31:53 -07:00
Björn Lindqvist d2c0ae9fd9 compiler.cfg.stacks.*: more docs 2015-01-22 12:17:21 -08:00
Björn Lindqvist 3c1f223d90 compiler.cfg.stacks.*: use insn# as the key in the stack-record instead of the insn tuple itself 2015-01-22 12:17:21 -08:00
Björn Lindqvist d19869f906 compiler.cfg.stacks.*: many new and fixed tests 2015-01-22 12:17:21 -08:00
Björn Lindqvist 640759ffed compiler.cfg.*: new step in finalization: clear-uninitialized
this step is supposed to analyze the cfg, find where there are peeks
that can cause stack underflow, and insert replace-imm instructions so
that there are no uninitialized stack locations if they do. could fix #1187
2015-01-22 12:17:20 -08:00
John Benediktsson c65877104e compiler: cleanup usings. 2014-12-13 16:10:21 -08:00
Björn Lindqvist 628c87c5b1 compiler.cfg.utilities: adding connect-bbs and make-edges 2014-12-11 14:30:47 +01:00
Björn Lindqvist c8a022423e compiler.cfg.utilities: move and rename the helper words block>cfg, insns>block and insns>cfg, they are useful to many testing vocabs 2014-11-22 17:31:38 -08:00
Doug Coleman 4c6435934b compiler.cfg.stacks.vacant: Fix docs for word rename. 2014-09-08 17:48:22 -07:00
Björn Lindqvist ffacc8370d compiler.cfg.stacks.vacant: ##call instructions clear the set of overinitialized locations 2014-09-08 14:54:18 -07:00
Björn Lindqvist 9836d6a1d0 VM: move the stack scrubbing logic to call_frame_slot_visitor to avoid visiting the callstack twice
primitive_minor_gc() iterates the stack twice, first to scrub stack
locations, then to trace overinitialized ones and gc roots. By running
visit_callstack() before visit_stack_elements() you only need to do it
once.
2014-09-08 14:54:18 -07:00
Björn Lindqvist 46082d836a compiler.cfg.stacks.vacant: invert meaning of 0/1 for overinit:ed locs to make some logic simpler 2014-09-08 14:54:17 -07:00
Björn Lindqvist 70e4f2a8b7 compiler.cfg.instructions: added check-d and check-r slots to gc-map
the data is output from compiler.cfg.stacks.vacant in a reasonable
format but not yet used for code generation.
2014-09-08 14:54:17 -07:00
Björn Lindqvist ecead801c1 compiler.cfg.stacks.vacant: more docs and removed usage of byte-arrays 2014-09-08 14:54:17 -07:00
Björn Lindqvist ab5e629243 compiler.cfg.stacks.vacant: sub docs seeded with a stolen comment from uninitialized.factor 2014-09-08 14:54:17 -07:00
Björn Lindqvist 40ee3cdcbb compiler.cfg.stacks.vacant: fix usings and remove commented out code 2014-09-08 14:54:17 -07:00
Björn Lindqvist e961a03837 compiler.cfg.stacks.vacant: compiler pass replacing uninitialized for more accurate stack maps
This pass uses a better algorithm for keeping track of all stack
manipulations which means that the stack maps it assigns are much more
precise.
2014-09-08 14:54:17 -07:00