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Replace table.getn/foreach/foreachi with bytecode builtins.

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Mike Pall
2013-02-23 02:17:50 +01:00
parent 73ef845fca
commit 60e380fd93
8 changed files with 37 additions and 99 deletions
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15
src/vm_x86.dasc
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@@ -2434,21 +2434,6 @@ static void build_subroutines(BuildCtx *ctx)
|ffstring_case string_lower, 0x41, 0x5a
|ffstring_case string_upper, 0x61, 0x7a
|
|//-- Table library ------------------------------------------------------
|
|.ffunc_1 table_getn
| cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback
| mov RB, BASE // Save BASE.
| mov TAB:FCARG1, [BASE]
| call extern lj_tab_len@4 // LJ_FASTCALL (GCtab *t)
| // Length of table returned in eax (RD).
| mov BASE, RB // Restore BASE.
|.if DUALNUM
| mov RB, RD; jmp ->fff_resi
|.else
| cvtsi2sd xmm0, RD; jmp ->fff_resxmm0
|.endif
|
|//-- Bit library --------------------------------------------------------
|
|.define TOBIT_BIAS, 0x59c00000 // 2^52 + 2^51 (float, not double!).