LJ_GC64: Fix HREF for pointers.

Contributed by Peter Cawley.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h
index 50784daa..7931ffb5 100644
--- a/src/lj_asm_x86.h
+++ b/src/lj_asm_x86.h
@@ -1246,7 +1246,18 @@ static void asm_href(ASMState *as, IRIns *ir, IROp merge)
 #endif
       } else {
         emit_rr(as, XO_MOV, tmp, key);
+#if LJ_GC64
+       emit_gri(as, XG_ARITHi(XOg_XOR), dest, irt_toitype(kt) << 15);
+       if ((as->flags & JIT_F_BMI2)) {
+         emit_i8(as, 32);
+         emit_mrm(as, XV_RORX|VEX_64, dest, key);
+       } else {
+         emit_shifti(as, XOg_SHR|REX_64, dest, 32);
+         emit_rr(as, XO_MOV, dest|REX_64, key|REX_64);
+       }
+#else
         emit_rmro(as, XO_LEA, dest, key, HASH_BIAS);
+#endif
       }
     }
   }