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FFI: Compile C function calls with 64 bit args/results in 32 bit mode.

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This commit is contained in:
Mike Pall
2011-04-29 19:40:50 +02:00
parent eb7b452d53
commit c77ca54564
4 changed files with 42 additions and 4 deletions
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38
src/lj_opt_split.c
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@@ -256,6 +256,8 @@ static void split_ir(jit_State *J)
}
break;
}
case IR_CALLXS:
goto split_call;
case IR_PHI: {
IRRef hiref2;
if ((irref_isk(nir->op1) && irref_isk(nir->op2)) ||
@@ -285,6 +287,42 @@ static void split_ir(jit_State *J)
nir->op1 = nir->op2 = 0;
}
}
} else if (ir->o == IR_CALLXS) {
IRRef hiref;
split_call:
hiref = hisubst[ir->op1];
if (hiref) {
IROpT ot = nir->ot;
IRRef op2 = nir->op2;
nir->ot = IRT(IR_CARG, IRT_NIL);
#if LJ_LE
nir->op2 = hiref;
#else
nir->op2 = nir->op1; nir->op1 = hiref;
#endif
ir->prev = nref = split_emit(J, ot, nref, op2);
}
if (irt_isint64(ir->t))
hi = split_emit(J, IRTI(IR_HIOP), nref, nref);
} else if (ir->o == IR_CARG) {
IRRef hiref = hisubst[ir->op1];
if (hiref) {
IRRef op2 = nir->op2;
#if LJ_LE
nir->op2 = hiref;
#else
nir->op2 = nir->op1; nir->op1 = hiref;
#endif
ir->prev = nref = split_emit(J, IRT(IR_CARG, IRT_NIL), nref, op2);
nir = IR(nref);
}
hiref = hisubst[ir->op2];
if (hiref) {
#if LJ_BE
IRRef tmp = nir->op2; nir->op2 = hiref; hiref = tmp;
#endif
ir->prev = split_emit(J, IRT(IR_CARG, IRT_NIL), nref, hiref);
}
} else if (ir->o == IR_CNEWI) {
if (hisubst[ir->op2])
split_emit(J, IRT(IR_HIOP, IRT_NIL), nref, hisubst[ir->op2]);