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-rw-r--r--erts/emulator/hipe/hipe_mode_switch.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c
index e5b8cf8a19..2b0bcca5c6 100644
--- a/erts/emulator/hipe/hipe_mode_switch.c
+++ b/erts/emulator/hipe/hipe_mode_switch.c
@@ -318,8 +318,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
* Native code called a BIF, which "failed" with a TRAP to BEAM.
* Prior to returning, the BIF stored (see BIF_TRAP<N>):
- * the callee's address in p->def_arg_reg[3]
- * the callee's parameters in p->def_arg_reg[0..2]
+ * the callee's address in p->i
+ * the callee's parameters in reg[0..2]
* the callee's arity in p->arity (for BEAM gc purposes)
*
* We need to remove the BIF's parameters from the native
@@ -331,19 +331,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
*/
unsigned int i, is_recursive = 0;
- /* Save p->arity, then update it with the original BIF's arity.
- Get rid of any stacked parameters in that call. */
- /* XXX: hipe_call_from_native_is_recursive() copies data to
- reg[], which is useless in the TRAP case. Maybe write a
- specialised hipe_trap_from_native_is_recursive() later. */
if (p->hipe.nsp != NULL) {
- unsigned int callee_arity;
- callee_arity = p->arity;
- p->arity = p->hipe.narity; /* caller's arity */
- is_recursive = hipe_call_from_native_is_recursive(p, reg);
-
- p->i = (Eterm *)(p->def_arg_reg[3]);
- p->arity = callee_arity;
+ is_recursive = hipe_trap_from_native_is_recursive(p);
}
/* Schedule next process if current process was hibernated or is waiting
@@ -353,15 +342,14 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
goto do_schedule;
}
if (p->status == P_WAITING) {
+ for (i = 0; i < p->arity; ++i)
+ p->arg_reg[i] = reg[i];
goto do_schedule;
}
- for (i = 0; i < p->arity; ++i)
- reg[i] = p->def_arg_reg[i];
-
if (is_recursive)
hipe_push_beam_trap_frame(p, reg, p->arity);
-
+
result = HIPE_MODE_SWITCH_RES_CALL;
break;
}