Roberto Ierusalimschy
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e2b15aa21d
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janitor work on casts
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2018-01-28 13:13:26 -02:00 |
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Roberto Ierusalimschy
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5bd8d388de
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OP_CONCAT does not move its result (to simplify its execution)
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2018-01-27 14:56:33 -02:00 |
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Roberto Ierusalimschy
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33e3774f44
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keep more opcode arguments byte-aligned
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2018-01-09 09:24:12 -02:00 |
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Roberto Ierusalimschy
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4676f6599e
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new macros 'isOT'/'isIT'
(plus exchanged parameters of OP_VARARG to make it similar to other
'isOT' instructions)
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2017-12-22 12:16:46 -02:00 |
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Roberto Ierusalimschy
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d388c165ef
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new opcodes 'FORLOOP1'/'FORPREP1' for "basic for" (integer variable
with increment of 1)
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2017-12-18 15:53:50 -02:00 |
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Roberto Ierusalimschy
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f8c1c1469a
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some cleaning on signed opcode parameters
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2017-12-15 16:53:48 -02:00 |
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Roberto Ierusalimschy
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4b6928e7f5
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(1 << 31) with signed integer has undefined behavior in C
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2017-12-15 16:35:22 -02:00 |
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Roberto Ierusalimschy
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86431a2f1c
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new opcodes BANDK/BORK/BXORK. (They do not use immediate operands
because, too often, masks in bitwise operations are integers larger
than one byte.)
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2017-12-13 16:32:09 -02:00 |
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Roberto Ierusalimschy
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c7ee7fe026
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new opcodes OP_SHLI/OP_SHRI
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2017-12-04 15:41:30 -02:00 |
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Roberto Ierusalimschy
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bdc751ce23
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details (comments)
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2017-11-30 11:16:43 -02:00 |
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Roberto Ierusalimschy
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19c6b375c3
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detail (spacing)
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2017-11-30 10:03:00 -02:00 |
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Roberto Ierusalimschy
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745eb41993
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new opcodes OP_RETURN0/OP_RETURN1
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2017-11-29 14:57:36 -02:00 |
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Roberto Ierusalimschy
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ff5fe51044
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using register 'k' for conditions in tests (we only need one bit there)
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2017-11-28 10:58:18 -02:00 |
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Roberto Ierusalimschy
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093c16b67b
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new opcodes 'OP_LTI' and 'OP_LEI'
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2017-11-27 15:44:31 -02:00 |
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Roberto Ierusalimschy
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3c230cc825
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using 'A' for register instead of 'B' in relational opcodes
('R(A)' is already created by default for all instructions.)
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2017-11-22 17:15:44 -02:00 |
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Roberto Ierusalimschy
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41f2936d8f
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new opcode 'OP_EQI' for equality with immediate numbers
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2017-11-22 16:41:20 -02:00 |
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Roberto Ierusalimschy
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4c0e36a46e
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new instruction 'OP_EQK' (for equality with constants)
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2017-11-16 10:59:14 -02:00 |
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Roberto Ierusalimschy
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c3e5946fb2
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new format for JUMP instructions (to allow larger offsets)
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2017-11-07 15:20:42 -02:00 |
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Roberto Ierusalimschy
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a1ef58b3a5
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eplicit 1-bit opcode operand 'k'
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2017-10-04 18:56:32 -03:00 |
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Roberto Ierusalimschy
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8fbe9e3470
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new opcodes with immediate integer operand for all arithmetic operations
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2017-10-04 12:49:24 -03:00 |
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Roberto Ierusalimschy
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940472c75c
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opcode size increased to 7 bits
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2017-10-02 19:51:32 -03:00 |
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Roberto Ierusalimschy
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bc1b0733b8
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avoid the use of bit 'Bk' ('B' will lose this bit soon)
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2017-10-01 16:13:43 -03:00 |
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Roberto Ierusalimschy
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722bdbe17d
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no more 'getBMode'-'getCMode' (imprecise + we will need more space
for op mode) + better control of op modes
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2017-09-28 13:53:29 -03:00 |
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Roberto Ierusalimschy
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00e728af88
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binary operators use R instead of RK
faster + nobody uses RK(B), so B can be smaller (freeing one bit
for more opcodes, soon)
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2017-09-26 15:14:45 -03:00 |
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Roberto Ierusalimschy
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abb17cf19b
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new opcode OP_LOADF (load immediate float)
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2017-09-19 15:38:14 -03:00 |
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Roberto Ierusalimschy
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e0c0e2ee14
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comments (documentation about instruction formats)
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2017-09-18 13:07:54 -03:00 |
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Roberto Ierusalimschy
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022e4427cf
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detail (keep OP_LOADK and OP_LOADKX together)
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2017-09-15 11:19:06 -03:00 |
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Roberto Ierusalimschy
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80d9b09f35
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jumps do not close upvalues (to be faster and simpler);
explicit instruction to close upvalues; command 'break' not
handled like a 'goto' (to optimize removal of uneeded 'close'
instructions)
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2017-09-13 16:50:08 -03:00 |
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Roberto Ierusalimschy
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ac65bab25f
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jumps in 'for' loops don't need to be signed
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2017-08-14 15:33:14 -03:00 |
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Roberto Ierusalimschy
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07db10813c
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'OP_VARARG' has the vararg parameter as an operand
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2017-06-29 12:38:41 -03:00 |
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Roberto Ierusalimschy
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ab5a650029
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details (direct access to 'Ck' bit in instructions)
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2017-05-08 13:08:01 -03:00 |
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Roberto Ierusalimschy
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502a1d1108
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new opcodes for table access with constant keys (strings and integers)
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2017-04-28 17:57:45 -03:00 |
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Roberto Ierusalimschy
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173e41b2eb
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new opcode OP_ADDI (for immediate integer operand) (Experimental)
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2017-04-26 14:46:52 -03:00 |
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Roberto Ierusalimschy
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cb3d5dce30
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opcodes 'OP_GETTABUP'/'OP_SETTABUP' operate only with string keys,
so they can use fast-track table access
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2017-04-24 17:26:39 -03:00 |
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Roberto Ierusalimschy
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6a98aa0bb0
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new opcode LOADI (for loading immediate integers)
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2017-04-20 16:53:55 -03:00 |
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Roberto Ierusalimschy
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0d1c6f4188
|
MAXINDEXRK can be redefined (for debugging, to force most values to
go through registers)
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2016-07-19 14:12:21 -03:00 |
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Roberto Ierusalimschy
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bdf566a8a3
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`name' in comments changed to 'name'
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2014-10-25 09:50:46 -02:00 |
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Roberto Ierusalimschy
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b8d412aa07
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error in comment
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2014-10-20 16:29:55 -02:00 |
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Roberto Ierusalimschy
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1ea2d20f74
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first implementation of '<<', '>>', and '~' (bitwise not)
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2013-12-30 18:47:58 -02:00 |
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Roberto Ierusalimschy
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c0edab0f6d
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first implementation of bitwise operators '&' (band), '|' (bor),
and '~' (bxor)
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2013-12-18 12:12:03 -02:00 |
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Roberto Ierusalimschy
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a948054a19
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new order for binary operations (grouping them by type of result)
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2013-12-16 17:06:52 -02:00 |
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Roberto Ierusalimschy
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a2f5c28a80
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new operation '//' (integer division)
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2013-04-26 10:08:29 -03:00 |
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Roberto Ierusalimschy
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32a12e2f3f
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detail (cleaned whitespaces at end of lines)
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2011-07-15 09:50:29 -03:00 |
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Roberto Ierusalimschy
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4758113043
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change in opcode OP_LOADNIL: B is used as a counter instead of a
register. (Avoids an assignment to R(B), not present in any other
instruction.)
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2011-04-19 13:22:13 -03:00 |
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Roberto Ierusalimschy
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427ee519db
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new instruction OP_LOADKX (to replace OP_LOADK with extra argument)
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2011-04-07 15:14:12 -03:00 |
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Roberto Ierusalimschy
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f8d677f94c
|
no more 'OP_CLOSE' instructions (use jumps to close upvalues)
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2011-02-07 10:28:27 -02:00 |
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Roberto Ierusalimschy
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dd547c55c8
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new scheme to close upvalues in 'break'; jump instructions may
do the close, avoiding the need for a OP_CLOSE instruction
|
2011-02-01 16:03:10 -02:00 |
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Roberto Ierusalimschy
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d72ec210c7
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POS_A replaced by POS_Ax (which is more "precise")
|
2010-10-25 10:24:55 -02:00 |
|
Roberto Ierusalimschy
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f3026c36c2
|
details in opcode list
|
2010-10-13 13:45:54 -03:00 |
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Roberto Ierusalimschy
|
25c557ec63
|
first version of _ENV; no more global variables
|
2010-03-12 16:14:06 -03:00 |
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