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637 Commits

Author SHA1 Message Date
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 1b10033583 new function 'luaT_trybiniTM' 
to handle tag methods for instructions with immediate integer arguments
 2017-09-27 15:59:08 -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 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 ac65bab25f jumps in 'for' loops don't need to be signed 2017-08-14 15:33:14 -03:00
Roberto Ierusalimschy 4dff277255 coercion string->number in arithmetic operations moved to string 
library
 2017-07-07 13:34:32 -03:00
Roberto Ierusalimschy 07db10813c 'OP_VARARG' has the vararg parameter as an operand 2017-06-29 12:38:41 -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 d13a3fb070 detail 
(removed empty spaces at the end of lines)
 2017-06-09 16:16:41 -03:00
Roberto Ierusalimschy b029e7ea20 macro 'luaV_fastget' may need protection ({}) to be used inside 
'if's
 2017-06-01 17:22:33 -03:00
Roberto Ierusalimschy c25380c28d details (using proper version of 'setobj') 2017-05-23 09:50:11 -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 92b3deaffa details in OP_CALL + comments 2017-05-18 16:34:39 -03:00
Roberto Ierusalimschy 6d95de83c6 no more field 'base' in CallInfo (base is always equal to 'func + 1', 
with old/new vararg implementation)
 2017-05-13 10:54:47 -03:00
Roberto Ierusalimschy 5c8770f896 back to old-style vararg system (with vararg table collecting extra 
arguments)
 2017-05-13 10:04:33 -03:00
Roberto Ierusalimschy 7647d5d13d revamp of fast track for table access (table set uses the same 
macros as table get + new macro for integer keys)
 2017-05-11 15:57:46 -03:00
Roberto Ierusalimschy 7184f6343a more integer fast tracks (for OP_LT, OP_LE, OP_SETTABLE, and OP_GETTABLE) 2017-05-10 14:32:19 -03:00
Roberto Ierusalimschy ab5a650029 details (direct access to 'Ck' bit in instructions) 2017-05-08 13:08:01 -03:00
Roberto Ierusalimschy e8757a73e6 'luaV_execute' keeps local copy of program counter and hook mask, 
to avoid excessive access to globals.
 2017-05-05 14:16:11 -03:00
Roberto Ierusalimschy 2376eb6347 barrier for prototype's cache (with new gray list 'protogray' to keep 
prototypes to have their caches visited again) + constant 'MAXMISS'
 2017-05-04 10:32:01 -03:00
Roberto Ierusalimschy 8634b2a011 added 'cachemiss' field to prototype to avoid wasting time checking 
hits that fail too often
 2017-04-30 17:43:26 -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 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 a3d36fe283 Upvalues collected like everything else (with mark-sweep) instead 
of reference count (simpler and better for generational mode)
 2017-04-11 15:41:09 -03:00
Roberto Ierusalimschy 2331e1beec small changes in 'luaC_upvalbarrier' 2017-04-06 10:08:56 -03:00
Roberto Ierusalimschy fd51651684 new macro 'vmfetch' to help changing code to computed goto's (macro 
abstracts the code to run before each instruction)
 2016-02-05 17:59:14 -02:00
Roberto Ierusalimschy 1a44e82200 'luaV_fastget' only treats the real fast case (table with a non-nil 
value at given key, so that it does not need to check metamethods)
 2016-01-05 14:07:21 -02:00
Roberto Ierusalimschy a272fa66f0 bug: Metatable may access its own dealocated field when 
it has a self reference in __newindex + some refactoring
 2016-01-04 14:44:50 -02:00
Roberto Ierusalimschy c5112f7b15 details (comments) 2015-11-23 09:30:45 -02:00
Roberto Ierusalimschy d103312661 details (typos in comments) 2015-11-19 17:16:22 -02:00
Roberto Ierusalimschy 2e8f8a18e4 detail 2015-11-17 14:00:28 -02:00
Roberto Ierusalimschy 9a5d6aedb7 trying to optimize a little 'luaD_poscall' 2015-11-13 11:24:26 -02:00
Roberto Ierusalimschy 04587b6256 macro with empty argument can be seen as macro with no argument; better 
to avoid that
 2015-11-12 16:08:58 -02:00
Roberto Ierusalimschy ff1289a361 in 'luaD_call', use two functions instead of one with fixed boolean 
argument
 2015-11-02 16:48:07 -02:00
Roberto Ierusalimschy c5363a1b58 in 'luaD_precall', in vararg functions, complete missing parameters 
only after moving them to final place (avoids checking the stack
again)
 2015-11-02 12:06:01 -02:00
Roberto Ierusalimschy 07a2dcacbf flag CIST_REENTRY changed to CIST_FRESH (its negation); fresh invocations 
seem to be less frequent than reentries. (So, avoid setting flag on
the frequent case.)
 2015-11-02 09:43:17 -02:00
Roberto Ierusalimschy 257961c601 OP_SELF can use 'luaV_fastget' specialized for strings, as it 
is applied only to string keys
 2015-10-28 12:50:09 -02:00
Roberto Ierusalimschy 8004ab756f hook test in 'luaV_execute' reduced to minimum (rest done in 
'luaG_traceexec'; no difference in performance for the non-hook
case, but keeps 'luaV_execute' a little simpler) + 'base' updates
replaced by 'Protect' (which serves this rule)
 2015-10-22 12:40:47 -02:00
Roberto Ierusalimschy f7670781cf cleaner definition for 'luaC_condGC', using 'pre'/'pos' parameters 2015-10-20 15:56:21 -02:00
Roberto Ierusalimschy df8b996bcc 'Protect' in table operations is not needed in the fast track 
+ removal of a few dead macros
 2015-10-20 15:41:35 -02:00
Roberto Ierusalimschy ee5edb6b68 macros 'getaddrstr' and 'getstr' unified (they do the same thing) 2015-09-17 12:51:05 -03:00
Roberto Ierusalimschy b91bc93fd3 'setobj2t' incorporated into 'luaV_fastset' + 'invalidateTMcache' 
is not needed in the fast track (as it does not create new
entries)
 2015-09-09 10:44:07 -03:00
Roberto Ierusalimschy 41964648ee long strings are created directly in final position when possible 
(instead of using an auxiliar buffer to first create the string
and then allocate the final string and copy result there)
 2015-09-08 12:41:05 -03:00
Roberto Ierusalimschy 8f25d08637 'invalidateTMcache' not needed in all 'settable' uses 2015-08-03 17:40:26 -03:00
Roberto Ierusalimschy 3b795541c4 fast track for 'settable' 2015-08-03 16:50:49 -03:00
Roberto Ierusalimschy e247c3ada3 implementation of fast track for gettable operations 2015-07-20 15:24:50 -03:00
Roberto Ierusalimschy 319ccfefbc computations in numerical for loop must avoid overflows too 2015-07-04 13:31:03 -03:00
Roberto Ierusalimschy f01c12c891 detail (cast to avoid mixing types in conditional expression) 2015-06-25 11:00:01 -03:00
Roberto Ierusalimschy a1415c0d72 bug in order NaN x int (tests must ensure that NaN does not get 
converted to integer)
 2015-06-09 12:53:35 -03:00
Roberto Ierusalimschy ed1fe28bb8 When comparing integers with floats, use float as common type when 
possible (i.e., when integer fits in a float without losses); seems
to be more efficient in architectures with native support for used
Lua numbers
 2015-06-02 16:11:24 -03:00
Roberto Ierusalimschy d39bb51faa bug: interpreter cannot pop activation frame before calling return 
hook (as it may want to access local variables active by the end
of the function)
 2015-05-22 14:48:19 -03:00
Roberto Ierusalimschy 6dc20ff293 'l <= r' for numbers has its own function, instead of using 
'not (r < l)' (seems to be slightly more efficient)
 2015-05-20 15:19:11 -03:00
Roberto Ierusalimschy 0ec12c1bd1 new semantics for numerical order (following math regardless 
representation)
 2015-05-20 13:22:55 -03:00
Roberto Ierusalimschy 04ba6ea83b new semantics for equality int-float 2015-04-29 15:27:16 -03:00
Roberto Ierusalimschy ae76c39712 Bug: suspended '__le' metamethod can give wrong result 2015-04-10 14:56:25 -03:00
Roberto Ierusalimschy abb2f5511d detail ('b + base' -> 'base + b' to follow all other similar uses) 2015-03-30 12:45:01 -03:00
Roberto Ierusalimschy 4ba0cb4580 always use macros to operate on lua_Numbers 2015-03-07 16:30:16 -03:00
Roberto Ierusalimschy 6408bc0b7f new macros 'chgfltvalue'/'chgivalue' (numerical for loop does 
not need to set the type of its internal variable at each iteration)
 2015-03-02 13:04:52 -03:00
Roberto Ierusalimschy 81245b1ad5 'numisinteger' (for table keys) replaced by 'luaV_tointeger' (old 
'tointeger_aux'), which can do the same job.
 2015-02-20 12:27:53 -02:00
Roberto Ierusalimschy c8d6cb0136 macros 'luai_num*' (for float arithmetic operations) moved to 
llimits.h.
 2015-02-05 15:15:33 -02:00
Roberto Ierusalimschy 7e2015a46d size of short strings stored in a single byte, to reduce the size 
of struct 'TString'
 2015-01-16 14:54:37 -02:00
Roberto Ierusalimschy 50e2eb8954 change in macro 'vmcase', avoding code inside it. (Code inside the 
macro harms tools such as debuggers.)
 2014-12-27 18:30:38 -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 049cf14cf9 'x//y' extended to floats + more comments about module and floor 
division operations
 2014-11-21 10:15:00 -02:00
Roberto Ierusalimschy 5d628519d3 simpler definition for 'luaV_tonumber_' 2014-11-19 13:05:15 -02:00
Roberto Ierusalimschy bde14c3adc macro to change method of conversion from float to integer (make it 
use floor intead of requiring an exact integral value)
 2014-11-03 18:07:47 -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
Roberto Ierusalimschy bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy 463edee2fd 'lua_numtointeger' -> 'lua_numbertointeger' 2014-10-24 09:42:06 -02:00
Roberto Ierusalimschy f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy 3a15c7ce43 size for array part of a table ('sizearray') changed from 'int' to 
'unsigned int', which allows twice as many elements in the array part
 2014-09-04 15:15:29 -03:00
Roberto Ierusalimschy d861706620 new macro 'cvt2num' to better control whether strings are convertible 
to numbers
 2014-07-30 11:42:44 -03:00
Roberto Ierusalimschy 34ac039fb8 new macro 'cvt2str' to better control whether numbers are convertible 
to strings
 2014-07-30 11:00:14 -03:00
Roberto Ierusalimschy 17ee57f8e0 'iswhite' and related macros now can work directly on any object 
(no need to convert to 'GCObject')
 2014-07-21 13:02:10 -03:00
Roberto Ierusalimschy ca41b43f53 type 'TString' refers directly to the structure inside the union 
(union used only for size purposes)
 2014-07-18 10:36:14 -03:00
Roberto Ierusalimschy 8bb272a3e3 new conversion float->integer: conversion is valid only when 
float has an exact representation as an integer
 2014-07-17 09:30:53 -03:00
Roberto Ierusalimschy b9dcf9974d detail (typos in comments) 2014-06-30 16:48:08 -03:00
Roberto Ierusalimschy 89b56e7d84 more precision between closure types ('LClosure' x 'CClosure') 2014-06-19 15:27:20 -03:00
Roberto Ierusalimschy 1a3656e56e more relaxed rules for __eq metamethod (more similar to other 
operators)
 2014-06-10 15:53:18 -03:00
Roberto Ierusalimschy c98f195eb9 function 'luaV_numtointeger' changed to a global macro 
'lua_numtointeger' (tricky, small, and useful in several places)
 2014-05-26 14:10:22 -03:00
Roberto Ierusalimschy 36715ab7c1 detail (comment) 2014-05-23 15:32:21 -03:00
Roberto Ierusalimschy 8a0acf0898 comments 2014-05-20 11:12:59 -03:00
Roberto Ierusalimschy 3e977f02ac added a few comments 2014-05-15 17:08:32 -03:00
Roberto Ierusalimschy f8daddba50 added a compat option (although it will be off by default) to 
the addition of '.0' to float->string conversions
 2014-05-14 16:47:11 -03:00
Roberto Ierusalimschy 45c430eac0 addition of '.0' to float representation done by the kernel 2014-05-12 18:44:17 -03:00
Roberto Ierusalimschy 27d9219cf3 no more integer exponentiation 2014-05-12 18:22:05 -03:00
Roberto Ierusalimschy 12bd01c567 added comments to several functions 2014-05-12 16:13:32 -03:00
Roberto Ierusalimschy 06dc893f88 in 'for' loops, make the limit an integer whenever initial value and 
step are integers
 2014-05-09 11:20:52 -03:00
Roberto Ierusalimschy c549d4fe64 'lua_strtonum' (and 'luaO_str2num') now return string size, instead of 
receiving it
 2014-05-01 15:18:06 -03:00
Roberto Ierusalimschy ddff6ecf30 function 'limittointeger' no needed (now that 'tointeger_aux' handles 
integers too)
 2014-04-30 16:29:51 -03:00
Roberto Ierusalimschy 1a6ef098b0 'luaO_str2d' + 'luaO_str2int' replaced by 'luaO_str2num' plus proper 
conversion from strings to integers
 2014-04-30 13:50:16 -03:00
Roberto Ierusalimschy b123a88673 merge of common parts from 'limittointeger' and 'luaV_tointeger_' 2014-04-29 17:06:05 -03:00
Roberto Ierusalimschy ffa43df3cd 'setnvalue' -> 'setfltvalue' (for consitency with 'fltvalue') 2014-04-29 15:14:16 -03:00
Roberto Ierusalimschy 9c4398de8f 'for' loop tries to convert limit to integer when initial value and 
step are integers
 2014-04-29 15:11:57 -03:00
Roberto Ierusalimschy e98ba351ce n^-m gives float result (instead of error) 2014-04-27 11:41:11 -03:00
Roberto Ierusalimschy 037a70dfea cast_u2s/cast_s2u renamed l_castS2U/l_castU2S to be configurable from 
outside (mostly for testing)
 2014-04-15 13:32:49 -03:00
Roberto Ierusalimschy 8f961da3db macros cast_integer/cast_unsigned replaced by cast_u2s/cast_s2u, that 
should be used only between lua_Integer and lua_Unsigned
 2014-04-15 11:29:30 -03:00