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Merge branch 'master' into v2.1

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This commit is contained in:
Mike Pall
2016-05-20 20:26:39 +02:00
parent d4f3b1136b 37e1e70313
commit 475a6ae33f
6 changed files with 8 additions and 12 deletions
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1
src/lj_asm_arm.h
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@@ -909,7 +909,6 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
static void asm_uref(ASMState *as, IRIns *ir)
{
/* NYI: Check that UREFO is still open and not aliasing a slot. */
Reg dest = ra_dest(as, ir, RSET_GPR);
if (irref_isk(ir->op1)) {
GCfunc *fn = ir_kfunc(IR(ir->op1));

1
src/lj_asm_mips.h
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@@ -810,7 +810,6 @@ nolo:
static void asm_uref(ASMState *as, IRIns *ir)
{
/* NYI: Check that UREFO is still open and not aliasing a slot. */
Reg dest = ra_dest(as, ir, RSET_GPR);
if (irref_isk(ir->op1)) {
GCfunc *fn = ir_kfunc(IR(ir->op1));

1
src/lj_asm_ppc.h
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@@ -717,7 +717,6 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
static void asm_uref(ASMState *as, IRIns *ir)
{
/* NYI: Check that UREFO is still open and not aliasing a slot. */
Reg dest = ra_dest(as, ir, RSET_GPR);
if (irref_isk(ir->op1)) {
GCfunc *fn = ir_kfunc(IR(ir->op1));

1
src/lj_asm_x86.h
View File

@@ -1157,7 +1157,6 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
static void asm_uref(ASMState *as, IRIns *ir)
{
/* NYI: Check that UREFO is still open and not aliasing a slot. */
Reg dest = ra_dest(as, ir, RSET_GPR);
if (irref_isk(ir->op1)) {
GCfunc *fn = ir_kfunc(IR(ir->op1));

10
src/lj_record.c
View File

@@ -1541,13 +1541,17 @@ noconstify:
/* Note: this effectively limits LJ_MAX_UPVAL to 127. */
uv = (uv << 8) | (hashrot(uvp->dhash, uvp->dhash + HASH_BIAS) & 0xff);
if (!uvp->closed) {
uref = tref_ref(emitir(IRTG(IR_UREFO, IRT_P32), fn, uv));
/* In current stack? */
if (uvval(uvp) >= tvref(J->L->stack) &&
uvval(uvp) < tvref(J->L->maxstack)) {
int32_t slot = (int32_t)(uvval(uvp) - (J->L->base - J->baseslot));
if (slot >= 0) { /* Aliases an SSA slot? */
emitir(IRTG(IR_EQ, IRT_P32),
REF_BASE,
emitir(IRT(IR_ADD, IRT_P32), uref,
lj_ir_kint(J, (slot - 1 - LJ_FR2) * -8)));
slot -= (int32_t)J->baseslot; /* Note: slot number may be negative! */
/* NYI: add IR to guard that it's still aliasing the same slot. */
if (val == 0) {
return getslot(J, slot);
} else {
@@ -1557,7 +1561,9 @@ noconstify:
}
}
}
uref = tref_ref(emitir(IRTG(IR_UREFO, IRT_P32), fn, uv));
emitir(IRTG(IR_UGT, IRT_P32),
emitir(IRT(IR_SUB, IRT_P32), uref, REF_BASE),
lj_ir_kint(J, (J->baseslot + J->maxslot) * 8));
} else {
needbarrier = 1;
uref = tref_ref(emitir(IRTG(IR_UREFC, IRT_P32), fn, uv));