Add alias analysis for XLOAD/XSTORE. Add DSE for XSTORE.

2010-12-12 22:28:48 +01:00
parent a22ea8898e
commit 74317fa0ef
3 changed files with 90 additions and 3 deletions
--- a/src/lj_opt_fold.c
+++ b/src/lj_opt_fold.c
@@ -1696,6 +1696,9 @@ LJFOLDX(lj_opt_dse_ustore)
 LJFOLD(FSTORE any any)
 LJFOLDX(lj_opt_dse_fstore)

+LJFOLD(XSTORE any any)
+LJFOLDX(lj_opt_dse_xstore)
+
 LJFOLD(NEWREF any any)  /* Treated like a store. */
 LJFOLD(CALLS any any)
 LJFOLD(CALLL any any)  /* Safeguard fallback. */