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Merge branch 'master' into v2.1

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Mike Pall 2023-12-10 16:13:34 +01:00
commit 8d5ea4ceb9
1 changed files with 9 additions and 1 deletions
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10
src/lj_asm_arm.h
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@ -2042,11 +2042,12 @@ static void asm_stack_restore(ASMState *as, SnapShot *snap)
SnapEntry *map = &as->T->snapmap[snap->mapofs];
SnapEntry *flinks = &as->T->snapmap[snap_nextofs(as->T, snap)-1];
MSize n, nent = snap->nent;
int32_t bias = 0;
/* Store the value of all modified slots to the Lua stack. */
for (n = 0; n < nent; n++) {
SnapEntry sn = map[n];
BCReg s = snap_slot(sn);
int32_t ofs = 8*((int32_t)s-1);
int32_t ofs = 8*((int32_t)s-1) - bias;
IRRef ref = snap_ref(sn);
IRIns *ir = IR(ref);
if ((sn & SNAP_NORESTORE))
@ -2065,6 +2066,12 @@ static void asm_stack_restore(ASMState *as, SnapShot *snap)
emit_lso(as, ARMI_STR, tmp, RID_BASE, ofs+4);
#else
Reg src = ra_alloc1(as, ref, RSET_FPR);
if (LJ_UNLIKELY(ofs < -1020 || ofs > 1020)) {
int32_t adj = ofs & 0xffffff00; /* K12-friendly. */
bias += adj;
ofs -= adj;
emit_addptr(as, RID_BASE, -adj);
}
emit_vlso(as, ARMI_VSTR_D, src, RID_BASE, ofs);
#endif
} else {
@ -2093,6 +2100,7 @@ static void asm_stack_restore(ASMState *as, SnapShot *snap)
}
checkmclim(as);
}
emit_addptr(as, RID_BASE, bias);
lj_assertA(map + nent == flinks, "inconsistent frames in snapshot");
}