Replace string.len with bytecode builtin.

2013-04-26 18:40:39 +02:00
parent 47fa9a8d8f
commit f9421f2b9f
8 changed files with 24 additions and 54 deletions
--- a/src/vm_x86.dasc
+++ b/src/vm_x86.dasc
@@ -2202,15 +2202,6 @@ static void build_subroutines(BuildCtx *ctx)
  |
  |//-- String library -----------------------------------------------------
  |
-  |.ffunc_1 string_len
-  |  cmp dword [BASE+4], LJ_TSTR;  jne ->fff_fallback
-  |  mov STR:RB, [BASE]
-  |.if DUALNUM
-  |  mov RB, dword STR:RB->len; jmp ->fff_resi
-  |.else
-  |  cvtsi2sd xmm0, dword STR:RB->len; jmp ->fff_resxmm0
-  |.endif
-  |
  |.ffunc string_byte			// Only handle the 1-arg case here.
  |  cmp NARGS:RD, 1+1;  jne ->fff_fallback
  |  cmp dword [BASE+4], LJ_TSTR;  jne ->fff_fallback