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lopcodes.h
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*
OP_CONCAT does not move its result (to simplify its execution)
Roberto Ierusalimschy
2018-01-27
1
-2
/
+2
*
keep more opcode arguments byte-aligned
Roberto Ierusalimschy
2018-01-09
1
-16
/
+20
*
new macros 'isOT'/'isIT'
Roberto Ierusalimschy
2017-12-22
1
-5
/
+15
*
new opcodes 'FORLOOP1'/'FORPREP1' for "basic for" (integer variable
Roberto Ierusalimschy
2017-12-18
1
-1
/
+5
*
some cleaning on signed opcode parameters
Roberto Ierusalimschy
2017-12-15
1
-13
/
+16
*
(1 << 31) with signed integer has undefined behavior in C
Roberto Ierusalimschy
2017-12-15
1
-2
/
+2
*
new opcodes BANDK/BORK/BXORK. (They do not use immediate operands
Roberto Ierusalimschy
2017-12-13
1
-1
/
+5
*
new opcodes OP_SHLI/OP_SHRI
Roberto Ierusalimschy
2017-12-04
1
-1
/
+4
*
details (comments)
Roberto Ierusalimschy
2017-11-30
1
-5
/
+10
*
detail (spacing)
Roberto Ierusalimschy
2017-11-30
1
-3
/
+3
*
new opcodes OP_RETURN0/OP_RETURN1
Roberto Ierusalimschy
2017-11-29
1
-1
/
+4
*
using register 'k' for conditions in tests (we only need one bit there)
Roberto Ierusalimschy
2017-11-28
1
-12
/
+18
*
new opcodes 'OP_LTI' and 'OP_LEI'
Roberto Ierusalimschy
2017-11-27
1
-1
/
+3
*
using 'A' for register instead of 'B' in relational opcodes
Roberto Ierusalimschy
2017-11-22
1
-6
/
+6
*
new opcode 'OP_EQI' for equality with immediate numbers
Roberto Ierusalimschy
2017-11-22
1
-1
/
+2
*
new instruction 'OP_EQK' (for equality with constants)
Roberto Ierusalimschy
2017-11-16
1
-1
/
+3
*
new format for JUMP instructions (to allow larger offsets)
Roberto Ierusalimschy
2017-11-07
1
-5
/
+25
*
eplicit 1-bit opcode operand 'k'
Roberto Ierusalimschy
2017-10-04
1
-42
/
+29
*
new opcodes with immediate integer operand for all arithmetic operations
Roberto Ierusalimschy
2017-10-04
1
-1
/
+8
*
opcode size increased to 7 bits
Roberto Ierusalimschy
2017-10-02
1
-8
/
+8
*
avoid the use of bit 'Bk' ('B' will lose this bit soon)
Roberto Ierusalimschy
2017-10-01
1
-6
/
+3
*
no more 'getBMode'-'getCMode' (imprecise + we will need more space
Roberto Ierusalimschy
2017-09-28
1
-30
/
+27
*
binary operators use R instead of RK
Roberto Ierusalimschy
2017-09-26
1
-16
/
+16
*
new opcode OP_LOADF (load immediate float)
Roberto Ierusalimschy
2017-09-19
1
-1
/
+2
*
comments (documentation about instruction formats)
Roberto Ierusalimschy
2017-09-18
1
-15
/
+14
*
detail (keep OP_LOADK and OP_LOADKX together)
Roberto Ierusalimschy
2017-09-15
1
-2
/
+2
*
jumps do not close upvalues (to be faster and simpler);
Roberto Ierusalimschy
2017-09-13
1
-2
/
+3
*
jumps in 'for' loops don't need to be signed
Roberto Ierusalimschy
2017-08-14
1
-5
/
+5
*
'OP_VARARG' has the vararg parameter as an operand
Roberto Ierusalimschy
2017-06-29
1
-3
/
+3
*
details (direct access to 'Ck' bit in instructions)
Roberto Ierusalimschy
2017-05-08
1
-1
/
+4
*
new opcodes for table access with constant keys (strings and integers)
Roberto Ierusalimschy
2017-04-28
1
-9
/
+11
*
new opcode OP_ADDI (for immediate integer operand) (Experimental)
Roberto Ierusalimschy
2017-04-26
1
-2
/
+6
*
opcodes 'OP_GETTABUP'/'OP_SETTABUP' operate only with string keys,
Roberto Ierusalimschy
2017-04-24
1
-1
/
+3
*
new opcode LOADI (for loading immediate integers)
Roberto Ierusalimschy
2017-04-20
1
-1
/
+2
*
MAXINDEXRK can be redefined (for debugging, to force most values to
Roberto Ierusalimschy
2016-07-19
1
-1
/
+3
*
`name' in comments changed to 'name'
Roberto Ierusalimschy
2014-10-25
1
-14
/
+14
*
error in comment
Roberto Ierusalimschy
2014-10-20
1
-2
/
+2
*
first implementation of '<<', '>>', and '~' (bitwise not)
Roberto Ierusalimschy
2013-12-30
1
-1
/
+4
*
first implementation of bitwise operators '&' (band), '|' (bor),
Roberto Ierusalimschy
2013-12-18
1
-1
/
+4
*
new order for binary operations (grouping them by type of result)
Roberto Ierusalimschy
2013-12-16
1
-3
/
+3
*
new operation '//' (integer division)
Roberto Ierusalimschy
2013-04-26
1
-1
/
+2
*
detail (cleaned whitespaces at end of lines)
Roberto Ierusalimschy
2011-07-15
1
-2
/
+2
*
change in opcode OP_LOADNIL: B is used as a counter instead of a
Roberto Ierusalimschy
2011-04-19
1
-2
/
+2
*
new instruction OP_LOADKX (to replace OP_LOADK with extra argument)
Roberto Ierusalimschy
2011-04-07
1
-3
/
+4
*
no more 'OP_CLOSE' instructions (use jumps to close upvalues)
Roberto Ierusalimschy
2011-02-07
1
-2
/
+1
*
new scheme to close upvalues in 'break'; jump instructions may
Roberto Ierusalimschy
2011-02-01
1
-4
/
+3
*
POS_A replaced by POS_Ax (which is more "precise")
Roberto Ierusalimschy
2010-10-25
1
-2
/
+2
*
details in opcode list
Roberto Ierusalimschy
2010-10-13
1
-3
/
+4
*
first version of _ENV; no more global variables
Roberto Ierusalimschy
2010-03-12
1
-5
/
+2
*
new instructions to optimize indexing on upvalues
Roberto Ierusalimschy
2010-02-26
1
-1
/
+3
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