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Always walk IR constants in ascending order.

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Prerequisite for embedding 64 bit constants directly in the IR.
Contributed by Peter Cawley.
This commit is contained in:
Mike Pall 2016-05-22 23:45:40 +02:00
parent 3152ed98ea
commit a4067978b6
2 changed files with 7 additions and 3 deletions
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8
src/lj_opt_sink.c
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@ -166,8 +166,8 @@ static void sink_remark_phi(jit_State *J)
/* Sweep instructions and tag sunken allocations and stores. */
static void sink_sweep_ins(jit_State *J)
{
IRIns *ir, *irfirst = IR(J->cur.nk);
for (ir = IR(J->cur.nins-1) ; ir >= irfirst; ir--) {
IRIns *ir, *irbase = IR(REF_BASE);
for (ir = IR(J->cur.nins-1) ; ir >= irbase; ir--) {
switch (ir->o) {
case IR_ASTORE: case IR_HSTORE: case IR_FSTORE: case IR_XSTORE: {
IRIns *ira = sink_checkalloc(J, ir);
@ -217,6 +217,10 @@ static void sink_sweep_ins(jit_State *J)
break;
}
}
for (ir = IR(J->cur.nk); ir < irbase; ir++) {
irt_clearmark(ir->t);
ir->prev = REGSP_INIT;
}
}
/* Allocation sinking and store sinking.

2
src/lj_record.c
View File

@ -51,7 +51,7 @@ static void rec_check_ir(jit_State *J)
{
IRRef i, nins = J->cur.nins, nk = J->cur.nk;
lua_assert(nk <= REF_BIAS && nins >= REF_BIAS && nins < 65536);
for (i = nins-1; i >= nk; i--) {
for (i = nk; i < nins; i++) {
IRIns *ir = IR(i);
uint32_t mode = lj_ir_mode[ir->o];
IRRef op1 = ir->op1;