DrSocalkwe3n/luajit
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Get rid of snap->depth.

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This commit is contained in:
Mike Pall
2011-11-20 13:23:25 +01:00
parent 726dc42c32
commit dc2a39e46d
7 changed files with 25 additions and 17 deletions
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5
src/lj_snap.c
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@@ -118,7 +118,6 @@ static void snapshot_stack(jit_State *J, SnapShot *snap, MSize nsnapmap)
snap->mapofs = (uint16_t)nsnapmap;
snap->ref = (IRRef1)J->cur.nins;
snap->nent = (uint8_t)nent;
snap->depth = (uint8_t)J->framedepth;
snap->nslots = (uint8_t)nslots;
snap->count = 0;
J->cur.nsnapmap = (uint16_t)(nsnapmap + nent + 1 + J->framedepth);
@@ -274,7 +273,7 @@ void lj_snap_shrink(jit_State *J)
map[m++] = map[n]; /* Only copy used slots. */
}
snap->nent = (uint8_t)m;
nlim = nent + snap->depth;
nlim = J->cur.nsnapmap - snap->mapofs - 1;
while (n <= nlim) map[m++] = map[n++]; /* Move PC + frame links down. */
J->cur.nsnapmap = (uint16_t)(snap->mapofs + m); /* Free up space in map. */
}
@@ -337,7 +336,7 @@ const BCIns *lj_snap_restore(jit_State *J, void *exptr)
SnapShot *snap = &T->snap[snapno];
MSize n, nent = snap->nent;
SnapEntry *map = &T->snapmap[snap->mapofs];
SnapEntry *flinks = map + nent + snap->depth;
SnapEntry *flinks = &T->snapmap[snap_nextofs(T, snap)-1];
int32_t ftsz0;
BCReg nslots = snap->nslots;
TValue *frame;