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Turn some lua_State fields into 32 bit pointers.

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lua_State now fits into one cache line on x64.
This commit is contained in:
Mike Pall
2010-09-09 12:28:17 +02:00
parent fd63b05253
commit 96957a4551
13 changed files with 474 additions and 484 deletions
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6
src/lj_snap.c
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@@ -231,7 +231,7 @@ const BCIns *lj_snap_restore(jit_State *J, void *exptr)
setcframe_pc(cframe_raw(L->cframe), pc+1);
/* Make sure the stack is big enough for the slots from the snapshot. */
if (LJ_UNLIKELY(L->base + nslots > L->maxstack)) {
if (LJ_UNLIKELY(L->base + nslots > tvref(L->maxstack))) {
L->top = curr_topL(L);
lj_state_growstack(L, nslots - curr_proto(L)->framesize);
}
@@ -255,10 +255,10 @@ const BCIns *lj_snap_restore(jit_State *J, void *exptr)
if (isluafunc(fn)) {
MSize framesize = funcproto(fn)->framesize;
L->base = ++o;
if (LJ_UNLIKELY(o + framesize > L->maxstack)) { /* Grow again? */
if (LJ_UNLIKELY(o + framesize > tvref(L->maxstack))) {
ptrdiff_t fsave = savestack(L, frame);
L->top = o;
lj_state_growstack(L, framesize);
lj_state_growstack(L, framesize); /* Grow again. */
frame = restorestack(L, fsave);
}
}