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Use dedicated type for snapshot map entry.

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Preparatory work for compressed snapshots.
This commit is contained in:
Mike Pall
2010-01-25 19:51:52 +01:00
parent 055396a69d
commit 47f1bc80d8
8 changed files with 36 additions and 33 deletions
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10
src/lj_asm.c
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@@ -925,7 +925,7 @@ static int asm_snap_canremat(ASMState *as)
static void asm_snap_alloc(ASMState *as)
{
SnapShot *snap = &as->T->snap[as->snapno];
IRRef2 *map = &as->T->snapmap[snap->mapofs];
SnapEntry *map = &as->T->snapmap[snap->mapofs];
BCReg s, nslots = snap->nslots;
for (s = 0; s < nslots; s++) {
IRRef ref = snap_ref(map[s]);
@@ -959,7 +959,7 @@ static void asm_snap_alloc(ASMState *as)
static int asm_snap_checkrename(ASMState *as, IRRef ren)
{
SnapShot *snap = &as->T->snap[as->snapno];
IRRef2 *map = &as->T->snapmap[snap->mapofs];
SnapEntry *map = &as->T->snapmap[snap->mapofs];
BCReg s, nslots = snap->nslots;
for (s = 0; s < nslots; s++) {
IRRef ref = snap_ref(map[s]);
@@ -2463,7 +2463,7 @@ static void asm_gc_sync(ASMState *as, SnapShot *snap, Reg base)
** only. This avoids register allocation state unification.
*/
RegSet allow = rset_exclude(RSET_SCRATCH & RSET_GPR, base);
IRRef2 *map = &as->T->snapmap[snap->mapofs];
SnapEntry *map = &as->T->snapmap[snap->mapofs];
BCReg s, nslots = snap->nslots;
for (s = 0; s < nslots; s++) {
IRRef ref = snap_ref(map[s]);
@@ -2965,8 +2965,8 @@ static void asm_tail_sync(ASMState *as)
{
SnapShot *snap = &as->T->snap[as->T->nsnap-1]; /* Last snapshot. */
BCReg s, nslots = snap->nslots;
IRRef2 *map = &as->T->snapmap[snap->mapofs];
IRRef2 *flinks = map + nslots + snap->nframelinks;
SnapEntry *map = &as->T->snapmap[snap->mapofs];
SnapEntry *flinks = map + nslots + snap->nframelinks;
BCReg newbase = 0;
BCReg secondbase = ~(BCReg)0;
BCReg topslot = 0;