1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
;; ----------------------------------------------------------------------
;; PROLOGUE/EPILOGUE-RELATED INSTRUCTIONS
;; ----------------------------------------------------------------------
(define_expand "push_h8300hs_advanced"
[(set (mem:SI (pre_dec:SI (reg:SI SP_REG)))
(match_operand:SI 0 "register_operand" ""))]
"TARGET_H8300H && TARGET_H8300S && !TARGET_NORMAL_MODE"
"")
(define_expand "push_h8300hs_normal"
[(set (mem:SI (pre_dec:HI (reg:HI SP_REG)))
(match_operand:SI 0 "register_operand" ""))]
"TARGET_H8300H && TARGET_H8300S && TARGET_NORMAL_MODE"
"")
(define_expand "pop_h8300hs_advanced"
[(set (match_operand:SI 0 "register_operand" "")
(mem:SI (post_inc:SI (reg:SI SP_REG))))]
"TARGET_H8300H && TARGET_H8300S && !TARGET_NORMAL_MODE"
"")
(define_expand "pop_h8300hs_normal"
[(set (match_operand:SI 0 "register_operand" "")
(mem:SI (post_inc:HI (reg:HI SP_REG))))]
"TARGET_H8300H && TARGET_H8300S && TARGET_NORMAL_MODE"
"")
(define_insn "ldm_h8300sx"
[(match_parallel 0 "h8300_ldm_parallel"
[(set (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "memory_operand" ""))])]
"TARGET_H8300S"
{
operands[3] = SET_DEST (XVECEXP (operands[0], 0,
XVECLEN (operands[0], 0) - 2));
return "ldm.l\t@er7+,%S1-%S3";
}
[(set_attr "length" "4")])
(define_insn "stm_h8300sx"
[(match_parallel 0 "h8300_stm_parallel"
[(set (match_operand:SI 1 "memory_operand" "")
(match_operand:SI 2 "register_operand" ""))])]
"TARGET_H8300S"
{
operands[3] = SET_SRC (XVECEXP (operands[0], 0,
XVECLEN (operands[0], 0) - 2));
return "stm.l\t%S2-%S3,@-er7";
}
[(set_attr "length" "4")])
(define_insn "return_h8sx"
[(match_parallel 0 "h8300_return_parallel"
[(return)
(set (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "memory_operand" ""))])]
"TARGET_H8300SX"
{
operands[3] = SET_DEST (XVECEXP (operands[0], 0,
XVECLEN (operands[0], 0) - 2));
if (h8300_current_function_interrupt_function_p ()
|| h8300_current_function_monitor_function_p ())
return "rte/l\t%S1-%S3";
else
return "rts/l\t%S1-%S3";
}
[(set_attr "can_delay" "no")
(set_attr "length" "2")])
(define_expand "return"
[(return)]
"h8300_can_use_return_insn_p ()"
"")
(define_insn "*return_1"
[(return)]
"reload_completed"
{
if (h8300_current_function_interrupt_function_p ()
|| h8300_current_function_monitor_function_p ())
return "rte";
else
return "rts";
}
[(set_attr "can_delay" "no")
(set_attr "length" "2")])
(define_expand "prologue"
[(const_int 0)]
""
{
h8300_expand_prologue ();
DONE;
})
(define_expand "epilogue"
[(return)]
""
{
h8300_expand_epilogue (false);
DONE;
})
(define_insn "monitor_prologue"
[(unspec_volatile [(const_int 0)] UNSPEC_MONITOR)]
""
{
if (TARGET_H8300H && TARGET_NORMAL_MODE)
return "subs\\t#2,er7\;mov.l\\ter0,@-er7\;stc\\tccr,r0l\;mov.b\\tr0l,@(4,er7)\;mov.l\\t@er7+,er0\;orc\\t#128,ccr";
else if (TARGET_H8300H)
return "mov.l\\ter0,@-er7\;stc\\tccr,r0l\;mov.b\\tr0l,@(4,er7)\;mov.l\\t@er7+,er0\;orc\\t#128,ccr";
else if (TARGET_H8300S && TARGET_NEXR )
return "mov.l\\ter0,@-er7\;stc\tccr,r0l\;mov.b\tr0l,@(4,er7)\;mov.l\\t@er7+,er0\;orc\t#128,ccr";
else if (TARGET_H8300S && TARGET_NEXR && TARGET_NORMAL_MODE)
return "subs\\t#2,er7\;mov.l\\ter0,@-er7\;stc\tccr,r0l\;mov.b\tr0l,@(4,er7)\;mov.l\\t@er7+,er0\;orc\t#128,ccr";
else if (TARGET_H8300S && TARGET_NORMAL_MODE)
return "subs\\t#2,er7\;stc\texr,@-er7\;mov.l\\ter0,@-er7\;stc\tccr,r0l\;mov.b\tr0l,@(6,er7)\;mov.l\\t@er7+,er0\;orc\t#128,ccr";
else if (TARGET_H8300S)
return "stc\texr,@-er7\;mov.l\\ter0,@-er7\;stc\tccr,r0l\;mov.b\tr0l,@(6,er7)\;mov.l\\t@er7+,er0\;orc\t#128,ccr";
gcc_unreachable ();
}
[(set_attr "length" "20")])
(define_expand "sibcall_epilogue"
[(const_int 0)]
""
{
h8300_expand_epilogue (true);
DONE;
})
|
