Optimize table length computation with hinting.

10x faster on loop with t[#t+1] = x idiom. Also used by table.insert.
2020-05-27 19:20:44 +02:00
parent b2307c8ad8
commit 1a4ff13117
12 changed files with 135 additions and 82 deletions
--- a/src/lj_ir.h
+++ b/src/lj_ir.h
@@ -106,6 +106,7 @@
  _(XLOAD,	L , ref, lit) \
  _(SLOAD,	L , lit, lit) \
  _(VLOAD,	L , ref, ___) \
+  _(ALEN,	L , ref, ref) \
  \
  _(ASTORE,	S , ref, ref) \
  _(HSTORE,	S , ref, ref) \