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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_opt_loop.c
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@@ -170,7 +170,7 @@ static void loop_unroll(jit_State *J)
uint32_t nphi = 0;
IRRef1 *subst;
SnapShot *osnap, *snap;
IRRef2 *loopmap;
SnapEntry *loopmap;
BCReg loopslots;
MSize nsnap, nsnapmap;
IRRef ins, invar, osnapref;
@@ -198,9 +198,9 @@ static void loop_unroll(jit_State *J)
}
nsnapmap = J->cur.nsnapmap; /* Use temp. copy to avoid undo. */
if (LJ_UNLIKELY(nsnapmap*2 > J->sizesnapmap)) {
J->snapmapbuf = (IRRef2 *)lj_mem_realloc(J->L, J->snapmapbuf,
J->sizesnapmap*sizeof(IRRef2),
2*J->sizesnapmap*sizeof(IRRef2));
J->snapmapbuf = (SnapEntry *)lj_mem_realloc(J->L, J->snapmapbuf,
J->sizesnapmap*sizeof(SnapEntry),
2*J->sizesnapmap*sizeof(SnapEntry));
J->cur.snapmap = J->snapmapbuf;
J->sizesnapmap *= 2;
}
@@ -223,7 +223,7 @@ static void loop_unroll(jit_State *J)
/* Copy-substitute snapshot. */
if (ins >= osnapref) {
IRRef2 *nmap, *omap = &J->cur.snapmap[osnap->mapofs];
SnapEntry *nmap, *omap = &J->cur.snapmap[osnap->mapofs];
BCReg s, nslots;
uint32_t nmapofs, nframelinks;
if (irt_isguard(J->guardemit)) { /* Guard inbetween? */