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38b2d076 | 1 | ;; Machine Descriptions for R8C/M16C/M32C |
66647d44 | 2 | ;; Copyright (C) 2005, 2007, 2008 |
38b2d076 DD |
3 | ;; Free Software Foundation, Inc. |
4 | ;; Contributed by Red Hat. | |
5 | ;; | |
6 | ;; This file is part of GCC. | |
7 | ;; | |
8 | ;; GCC is free software; you can redistribute it and/or modify it | |
9 | ;; under the terms of the GNU General Public License as published | |
2f83c7d6 | 10 | ;; by the Free Software Foundation; either version 3, or (at your |
38b2d076 DD |
11 | ;; option) any later version. |
12 | ;; | |
13 | ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | ;; License for more details. | |
17 | ;; | |
18 | ;; You should have received a copy of the GNU General Public License | |
2f83c7d6 NC |
19 | ;; along with GCC; see the file COPYING3. If not see |
20 | ;; <http://www.gnu.org/licenses/>. | |
38b2d076 DD |
21 | |
22 | ;; jump, conditionals, calls, etc | |
23 | ||
24 | (define_insn "indirect_jump_16" | |
25 | [(set (pc) | |
26 | (match_operand:HI 0 "register_operand" "Rhi"))] | |
27 | "TARGET_A16" | |
28 | ; "jmpi.a\t%0" | |
85f65093 | 29 | ; no 16-bit jmpi in r8c |
38b2d076 | 30 | "push.b #0 | push.w\t%0 | rts" |
16659fcf | 31 | [(set_attr "flags" "x")] |
38b2d076 DD |
32 | ) |
33 | ||
34 | (define_insn "indirect_jump_24" | |
35 | [(set (pc) | |
36 | (match_operand:PSI 0 "register_operand" "Rpi"))] | |
37 | "TARGET_A24" | |
38 | "jmpi.a\t%0" | |
16659fcf | 39 | [(set_attr "flags" "n")] |
38b2d076 DD |
40 | ) |
41 | ||
42 | (define_expand "indirect_jump" | |
43 | [(match_operand 0 "register_operand" "")] | |
44 | "" | |
45 | "if (TARGET_A16) | |
46 | emit_jump_insn (gen_indirect_jump_16(operands[0])); | |
47 | else | |
48 | emit_jump_insn (gen_indirect_jump_24(operands[0])); | |
49 | DONE;" | |
50 | ) | |
51 | ||
52 | ; We can replace this with jmp.s when gas supports relaxing. m32c | |
53 | ; opcodes are too complicated to try to compute their sizes here, it's | |
54 | ; far easier (and more reliable) to let gas worry about it. | |
55 | (define_insn "jump" | |
56 | [(set (pc) | |
57 | (label_ref (match_operand 0 "" "")))] | |
58 | "" | |
59 | "jmp.a\t%l0" | |
16659fcf | 60 | [(set_attr "flags" "n")] |
38b2d076 DD |
61 | ) |
62 | ||
85f65093 | 63 | ; No 16-bit indirect calls on r8c/m16c. */ |
38b2d076 DD |
64 | (define_insn "call" |
65 | [(call (match_operand:QI 0 "memory_operand" "Si,SaSb,?Rmm") | |
66 | (match_operand 1 "" "")) | |
67 | (use (match_operand 2 "immediate_operand" ""))] | |
68 | "" | |
69 | "* | |
70 | switch (which_alternative) { | |
5abd2125 JS |
71 | case 0: |
72 | { | |
73 | HOST_WIDE_INT func_vect_num = | |
74 | current_function_special_page_vector(XEXP (operands[0], 0)); | |
75 | if (func_vect_num) | |
76 | { | |
77 | operands[3] = gen_rtx_CONST_INT (VOIDmode, func_vect_num); | |
78 | return \"jsrs\t%3\"; | |
79 | } | |
80 | else | |
81 | return \"jsr.a\t%0\"; | |
82 | } | |
38b2d076 DD |
83 | case 1: return TARGET_A16 ? \"push.w %a0 | jsr.a\tm32c_jsri16\" : \"jsri.a\t%a0\"; |
84 | case 2: return \"jsri.a\t%a0\"; | |
85 | }" | |
16659fcf | 86 | [(set_attr "flags" "x")] |
38b2d076 DD |
87 | ) |
88 | ||
89 | (define_insn "call_value" | |
90 | [(set (match_operand 0 "m32c_return_operand" "=RdiRmmRpa,RdiRmmRpa,RdiRmmRpa") | |
91 | (call (match_operand:QI 1 "memory_operand" "Si,SaSb,?Rmm") | |
92 | (match_operand 2 "" ""))) | |
93 | (use (match_operand 3 "immediate_operand" ""))] | |
94 | "" | |
95 | "* | |
96 | switch (which_alternative) { | |
5abd2125 JS |
97 | case 0: |
98 | { | |
99 | HOST_WIDE_INT func_vect_num = | |
100 | current_function_special_page_vector(XEXP (operands[1], 0)); | |
101 | if (func_vect_num) | |
102 | { | |
103 | operands[4] = gen_rtx_CONST_INT (VOIDmode, func_vect_num); | |
104 | return \"jsrs\t%4\"; | |
105 | } | |
106 | else | |
107 | return \"jsr.a\t%1\"; | |
108 | } | |
38b2d076 DD |
109 | case 1: return TARGET_A16 ? \"push.w %a1 | jsr.a\tm32c_jsri16\" : \"jsri.a\t%a1\"; |
110 | case 2: return \"jsri.a\t%a1\"; | |
111 | }" | |
16659fcf | 112 | [(set_attr "flags" "x,x,x")] |
38b2d076 | 113 | ) |
c9db440d DD |
114 | |
115 | (define_expand "untyped_call" | |
116 | [(parallel [(call (match_operand 0 "" "") | |
117 | (const_int 0)) | |
118 | (match_operand 1 "" "") | |
119 | (match_operand 2 "" "")])] | |
120 | "" | |
121 | " | |
122 | { | |
123 | int i; | |
124 | ||
125 | emit_call_insn (gen_call (operands[0], const0_rtx, const0_rtx)); | |
126 | ||
127 | for (i = 0; i < XVECLEN (operands[2], 0); i++) | |
128 | { | |
129 | rtx set = XVECEXP (operands[2], 0, i); | |
130 | emit_move_insn (SET_DEST (set), SET_SRC (set)); | |
131 | } | |
132 | DONE; | |
133 | }") |