@@ -3548,8 +3548,6 @@ xtensa_expand_epilogue (bool sibcall_p)
gen_frame_mem (SImode, x));
}
}
- if (sibcall_p)
- emit_use (gen_rtx_REG (SImode, A0_REG));
if (cfun->machine->current_frame_size > 0)
{
@@ -2369,8 +2369,10 @@
(set_attr "length" "3")])
(define_expand "sibcall"
- [(call (match_operand 0 "memory_operand" "")
- (match_operand 1 "" ""))]
+ [(parallel [
+ (call (match_operand 0 "memory_operand" "")
+ (match_operand 1 "" ""))
+ (use (reg:SI A0_REG))])]
"!TARGET_WINDOWED_ABI"
{
xtensa_prepare_expand_call (0, operands);
@@ -2378,7 +2380,8 @@
(define_insn "sibcall_internal"
[(call (mem:SI (match_operand:SI 0 "call_insn_operand" "nic"))
- (match_operand 1 "" "i"))]
+ (match_operand 1 "" "i"))
+ (use (reg:SI A0_REG))]
"!TARGET_WINDOWED_ABI && SIBLING_CALL_P (insn)"
{
return xtensa_emit_sibcall (0, operands);
@@ -2388,9 +2391,11 @@
(set_attr "length" "3")])
(define_expand "sibcall_value"
- [(set (match_operand 0 "register_operand" "")
- (call (match_operand 1 "memory_operand" "")
- (match_operand 2 "" "")))]
+ [(parallel [
+ (set (match_operand 0 "register_operand" "")
+ (call (match_operand 1 "memory_operand" "")
+ (match_operand 2 "" "")))
+ (use (reg:SI A0_REG))])]
"!TARGET_WINDOWED_ABI"
{
xtensa_prepare_expand_call (1, operands);
@@ -2399,7 +2404,8 @@
(define_insn "sibcall_value_internal"
[(set (match_operand 0 "register_operand" "=a")
(call (mem:SI (match_operand:SI 1 "call_insn_operand" "nic"))
- (match_operand 2 "" "i")))]
+ (match_operand 2 "" "i")))
+ (use (reg:SI A0_REG))]
"!TARGET_WINDOWED_ABI && SIBLING_CALL_P (insn)"
{
return xtensa_emit_sibcall (1, operands);