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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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9
src/lj_state.h
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@@ -9,10 +9,10 @@
#include "lj_obj.h"
#define incr_top(L) \
(++L->top >= L->maxstack && (lj_state_growstack1(L), 0))
(++L->top >= tvref(L->maxstack) && (lj_state_growstack1(L), 0))
#define savestack(L, p) ((char *)(p) - (char *)L->stack)
#define restorestack(L, n) ((TValue *)((char *)L->stack + (n)))
#define savestack(L, p) ((char *)(p) - mref(L->stack, char))
#define restorestack(L, n) ((TValue *)(mref(L->stack, char) + (n)))
LJ_FUNC void lj_state_relimitstack(lua_State *L);
LJ_FUNC void lj_state_shrinkstack(lua_State *L, MSize used);
@@ -21,7 +21,8 @@ LJ_FUNC void LJ_FASTCALL lj_state_growstack1(lua_State *L);
static LJ_AINLINE void lj_state_checkstack(lua_State *L, MSize need)
{
if ((MSize)((char *)L->maxstack-(char *)L->top) <= need*(MSize)sizeof(TValue))
if ((MSize)(mref(L->maxstack, char) - (char *)L->top) <=
need*(MSize)sizeof(TValue))
lj_state_growstack(L, need);
}