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_arm.dasc
+++ b/src/vm_arm.dasc
@@ -1706,12 +1706,6 @@ static void build_subroutines(BuildCtx *ctx)
  |
  |//-- String library -----------------------------------------------------
  |
-  |.ffunc_1 string_len
-  |  checkstr CARG2, ->fff_fallback
-  |  ldr CARG1, STR:CARG1->len
-  |  mvn CARG2, #~LJ_TISNUM
-  |  b ->fff_restv
-  |
  |.ffunc string_byte			// Only handle the 1-arg case here.
  |  ldrd CARG12, [BASE]
  |    ldr PC, [BASE, FRAME_PC]