DrSocalkwe3n/luajit
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Add special bytecodes for builtins.

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BC_ISTYPE, BC_ISNUM: fast type checks/coercions.
BC_TGETR, BC_TSETR: fast rawgeti/rawseti, no type checks for table/key.
This commit is contained in:
Mike Pall
2013-02-23 02:09:19 +01:00
parent b359ce804b
commit 73ef845fca
16 changed files with 614 additions and 38 deletions
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4
src/lj_bc.h
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@@ -89,6 +89,8 @@
_(ISFC, dst, ___, var, ___) \
_(IST, ___, ___, var, ___) \
_(ISF, ___, ___, var, ___) \
_(ISTYPE, var, ___, lit, ___) \
_(ISNUM, var, ___, lit, ___) \
\
/* Unary ops. */ \
_(MOV, dst, ___, var, ___) \
@@ -143,10 +145,12 @@
_(TGETV, dst, var, var, index) \
_(TGETS, dst, var, str, index) \
_(TGETB, dst, var, lit, index) \
_(TGETR, dst, var, var, index) \
_(TSETV, var, var, var, newindex) \
_(TSETS, var, var, str, newindex) \
_(TSETB, var, var, lit, newindex) \
_(TSETM, base, ___, num, newindex) \
_(TSETR, var, var, var, newindex) \
\
/* Calls and vararg handling. T = tail call. */ \
_(CALLM, base, lit, lit, call) \