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FFI: Fix recording of test for bool result of call.

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This commit is contained in:
Mike Pall 2012-05-09 16:25:51 +02:00
parent 7d3954036c
commit 6e5c872eb7
1 changed files with 10 additions and 7 deletions
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17
src/lj_crecord.c
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@ -902,14 +902,16 @@ static int crec_call(jit_State *J, RecordFFData *rd, GCcdata *cd)
func = emitir(IRT(IR_CARG, IRT_NIL), func, func = emitir(IRT(IR_CARG, IRT_NIL), func,
lj_ir_kint(J, ctype_typeid(cts, ct))); lj_ir_kint(J, ctype_typeid(cts, ct)));
tr = emitir(IRT(IR_CALLXS, t), crec_call_args(J, rd, cts, ct), func); tr = emitir(IRT(IR_CALLXS, t), crec_call_args(J, rd, cts, ct), func);
J->needsnap = 1;
if (ctype_isbool(ctr->info)) { if (ctype_isbool(ctr->info)) {
if (frame_islua(J->L->base-1) && bc_b(frame_pc(J->L->base-1)[-1]) == 1) if (frame_islua(J->L->base-1) && bc_b(frame_pc(J->L->base-1)[-1]) == 1) {
return 1; /* Don't check result if ignored. */ /* Don't check result if ignored. */
crec_snap_caller(J); tr = TREF_NIL;
lj_ir_set(J, IRTGI(IR_NE), tr, lj_ir_kint(J, 0)); } else {
J->postproc = LJ_POST_FIXGUARDSNAP; crec_snap_caller(J);
tr = TREF_TRUE; lj_ir_set(J, IRTGI(IR_NE), tr, lj_ir_kint(J, 0));
J->postproc = LJ_POST_FIXGUARDSNAP;
tr = TREF_TRUE;
}
} else if (t == IRT_FLOAT || t == IRT_U32) { } else if (t == IRT_FLOAT || t == IRT_U32) {
tr = emitconv(tr, IRT_NUM, t, 0); tr = emitconv(tr, IRT_NUM, t, 0);
} else if (t == IRT_I8 || t == IRT_I16) { } else if (t == IRT_I8 || t == IRT_I16) {
@ -923,6 +925,7 @@ static int crec_call(jit_State *J, RecordFFData *rd, GCcdata *cd)
if (t == IRT_I64 || t == IRT_U64) lj_needsplit(J); if (t == IRT_I64 || t == IRT_U64) lj_needsplit(J);
} }
J->base[0] = tr; J->base[0] = tr;
J->needsnap = 1;
return 1; return 1;
} }
return 0; return 0;