Turn some lua_State fields into 32 bit pointers.

lua_State now fits into one cache line on x64.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_record.c b/src/lj_record.c
index 2fba6b6b..2e411632 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1062,7 +1062,8 @@ static TRef rec_upvalue(jit_State *J, uint32_t uv, TRef val)
   uv = (uv << 8) | (hashrot(uvp->dhash, uvp->dhash + HASH_BIAS) & 0xff);
   if (!uvp->closed) {
     /* In current stack? */
-    if (uvval(uvp) >= J->L->stack && uvval(uvp) < J->L->maxstack) {
+    if (uvval(uvp) >= tvref(J->L->stack) &&
+        uvval(uvp) < tvref(J->L->maxstack)) {
       int32_t slot = (int32_t)(uvval(uvp) - (J->L->base - J->baseslot));
       if (slot >= 0) {  /* Aliases an SSA slot? */
         slot -= (int32_t)J->baseslot;  /* Note: slot number may be negative! */