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265 Commits

Author SHA1 Message Date
Roberto Ierusalimschy e001d5aea6 'VRELOCABLE' -> 'VRELOC' 2017-12-14 12:24:02 -02:00
Roberto Ierusalimschy 86431a2f1c new opcodes BANDK/BORK/BXORK. (They do not use immediate operands 
because, too often, masks in bitwise operations are integers larger
than one byte.)
 2017-12-13 16:32:09 -02:00
Roberto Ierusalimschy c7ee7fe026 new opcodes OP_SHLI/OP_SHRI 2017-12-04 15:41:30 -02:00
Roberto Ierusalimschy ac78b914b6 warnings from Visual Studio /W3 2017-11-30 13:37:16 -02:00
Roberto Ierusalimschy 10b8c99bbb small peephole optimizations 2017-11-30 11:29:18 -02:00
Roberto Ierusalimschy 745eb41993 new opcodes OP_RETURN0/OP_RETURN1 2017-11-29 14:57:36 -02:00
Roberto Ierusalimschy 36aecd4548 order opcodes cannot use 'K' operands 2017-11-28 13:26:15 -02:00
Roberto Ierusalimschy ff5fe51044 using register 'k' for conditions in tests (we only need one bit there) 2017-11-28 10:58:18 -02:00
Roberto Ierusalimschy 599f1742c6 detail (typo in comments) 2017-11-23 17:29:04 -02:00
Roberto Ierusalimschy 3c230cc825 using 'A' for register instead of 'B' in relational opcodes 
('R(A)' is already created by default for all instructions.)
 2017-11-22 17:15:44 -02:00
Roberto Ierusalimschy 41f2936d8f new opcode 'OP_EQI' for equality with immediate numbers 2017-11-22 16:41:20 -02:00
Roberto Ierusalimschy 4c0e36a46e new instruction 'OP_EQK' (for equality with constants) 2017-11-16 10:59:14 -02:00
Roberto Ierusalimschy 26679ea35b new function 'luaV_flttointeger' to convert floats to integers (without 
string coercions) + string operands to bitwise operations handled
by string metamethods
 2017-11-08 12:50:23 -02:00
Roberto Ierusalimschy c3e5946fb2 new format for JUMP instructions (to allow larger offsets) 2017-11-07 15:20:42 -02:00
Roberto Ierusalimschy a1ef58b3a5 eplicit 1-bit opcode operand 'k' 2017-10-04 18:56:32 -03:00
Roberto Ierusalimschy 8fbe9e3470 new opcodes with immediate integer operand for all arithmetic operations 2017-10-04 12:49:24 -03:00
Roberto Ierusalimschy f3b3d9b5c2 string constants (Kstr) must fit into 'B' register 2017-10-02 19:50:57 -03:00
Roberto Ierusalimschy bc1b0733b8 avoid the use of bit 'Bk' ('B' will lose this bit soon) 2017-10-01 16:13:43 -03:00
Roberto Ierusalimschy 722bdbe17d no more 'getBMode'-'getCMode' (imprecise + we will need more space 
for op mode) + better control of op modes
 2017-09-28 13:53:29 -03:00
Roberto Ierusalimschy 00e728af88 binary operators use R instead of RK 
faster + nobody uses RK(B), so B can be smaller (freeing one bit
for more opcodes, soon)
 2017-09-26 15:14:45 -03:00
Roberto Ierusalimschy 13256a4173 detail 
put explicit all cases for a switch of an enumeration
 2017-09-26 14:10:49 -03:00
Roberto Ierusalimschy abb17cf19b new opcode OP_LOADF (load immediate float) 2017-09-19 15:38:14 -03:00
Roberto Ierusalimschy 80d9b09f35 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)
 2017-09-13 16:50:08 -03:00
Roberto Ierusalimschy f96497397a new type 'StackValue' for stack elements 
(we may want to put extra info there in the future)
 2017-06-29 12:06:44 -03:00
Roberto Ierusalimschy b42430fd3a 'lineinfo' in prototypes saved as differences instead of absolute 
values, so that the array can use bytes instead of ints, reducing
its size. (A new array 'abslineinfo' is used when line differences
do not fit in a byte.)
 2017-06-27 08:35:31 -03:00
Roberto Ierusalimschy de74289049 table field names for dedicated opcodes can be restricted to 
small strings for slightly faster access
 2017-05-18 16:44:19 -03:00
Roberto Ierusalimschy 502a1d1108 new opcodes for table access with constant keys (strings and integers) 2017-04-28 17:57:45 -03:00
Roberto Ierusalimschy 173e41b2eb new opcode OP_ADDI (for immediate integer operand) (Experimental) 2017-04-26 14:46:52 -03:00
Roberto Ierusalimschy a3f9c1a77a detail (using unsigned comparison in range check for LOADI) 2017-04-25 17:01:14 -03:00
Roberto Ierusalimschy 6dbae1b5d9 registers in a VINDEXED expression must be freed in order 2017-04-25 15:28:25 -03:00
Roberto Ierusalimschy cb3d5dce30 opcodes 'OP_GETTABUP'/'OP_SETTABUP' operate only with string keys, 
so they can use fast-track table access
 2017-04-24 17:26:39 -03:00
Roberto Ierusalimschy 6a98aa0bb0 new opcode LOADI (for loading immediate integers) 2017-04-20 16:53:55 -03:00
Roberto Ierusalimschy 2a235312f0 detail (removing spaces at end of lines) 2016-12-22 11:08:50 -02:00
Roberto Ierusalimschy fc6b32bcaa bug: Lua can generate wrong code in functions with too many constants 2016-07-19 14:12:07 -03:00
Roberto Ierusalimschy 6487fb11fc all 'static' variables should be 'const' 2016-06-20 16:12:46 -03:00
Roberto Ierusalimschy fbd8614bdb comment (FALLTHROUGH) 2016-05-13 16:09:46 -03:00
Roberto Ierusalimschy 1f259be52a 'getcode' -> 'getinstruction' 2016-01-05 14:22:37 -02:00
Roberto Ierusalimschy b12b635a90 more refactoring 2016-01-04 11:40:57 -02:00
Roberto Ierusalimschy 384d1b47b0 comments (*lots* of them) + asserts 2015-12-18 11:53:36 -02:00
Roberto Ierusalimschy a01eba657e reordering of some functions + 'code_label' renamed to 'code_loadbool' 2015-12-17 13:02:44 -02:00
Roberto Ierusalimschy b7446ea88d detail ('while' -> 'for') in 'luaK_patchclose' 2015-12-17 12:52:53 -02:00
Roberto Ierusalimschy d103312661 details (typos in comments) 2015-11-19 17:16:22 -02:00
Roberto Ierusalimschy 82129b9266 use macro 'hasjumps' to test whether expression has jumps... 2015-10-26 12:27:47 -02:00
Roberto Ierusalimschy a1935b9cba error message ("too complex" -> "too many registers") + MAXREGS 
changed to 255 (no reason not to use maximum allowed)
 2015-04-29 15:24:11 -03:00
Roberto Ierusalimschy e723c75c02 details (avoid 'lint' warnings) 2015-03-28 16:14:47 -03:00
Roberto Ierusalimschy 8e5290d81e all "divisions" (div,idiv,mod) by zero are not folded, to avoid 
problems during compilation + does not fold zero results, as they
can collapse with -0.0 and the ANSI test to distinguish both needs
a division by zero (which we are trying to avoid) + removed macro
'luai_numinvalidop' (as its main use case were divisions by zero)
 2014-12-29 14:49:25 -02:00
Roberto Ierusalimschy 2b83711fba new macro 'nvalue' (to convert an object to a float when we know 
object is a number)
 2014-12-19 11:36:32 -02:00
Roberto Ierusalimschy bf163ea7f0 bug ('#3' causes seg. fault in 5.3-beta) + comments + 'codearith' -> 
'codeexpval' (confusion about what operations function accept was
one of the reasons for the bug)
 2014-11-24 12:59:22 -02:00
Roberto Ierusalimschy 5fbd40dbe5 'x//y' extended to floats 2014-11-21 10:15:57 -02:00
Roberto Ierusalimschy 28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00