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ARM: Add tostring() fast function.

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This commit is contained in:
Mike Pall 2011-04-04 01:55:41 +02:00
parent 6110faadd8
commit 5b146f61b5
1 changed files with 18 additions and 1 deletions
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19
src/buildvm_arm.dasc
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@ -575,7 +575,24 @@ static void build_subroutines(BuildCtx *ctx)
| NYI | NYI
| |
|.ffunc_1 tostring |.ffunc_1 tostring
| NYI | // Only handles the string or number case inline.
| checktp CARG2, LJ_TSTR
| // A __tostring method in the string base metatable is ignored.
| beq ->fff_restv
| // Handle numbers inline, unless a number base metatable is present.
| ldr CARG4, [DISPATCH, #DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM])]
| mov CARG1, L
| checktp CARG2, LJ_TISNUM
| cmpls CARG4, #0
| bhi ->fff_fallback
| str BASE, L->base
| mov CARG2, BASE
| str PC, SAVE_PC
| bl extern lj_str_fromnumber // (lua_State *L, cTValue *o)
| // Returns GCstr *.
| ldr BASE, L->base
| mvn CARG2, #~LJ_TSTR
| b ->fff_restv
| |
|//-- Base library: iterators ------------------------------------------- |//-- Base library: iterators -------------------------------------------
| |