Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/m32c/prologue.md @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 ;; Machine Descriptions for R8C/M16C/M32C |
| 2 ;; Copyright (C) 2005, 2007, 2008 | |
| 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 | |
| 10 ;; by the Free Software Foundation; either version 3, or (at your | |
| 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 | |
| 19 ;; along with GCC; see the file COPYING3. If not see | |
| 20 ;; <http://www.gnu.org/licenses/>. | |
| 21 | |
| 22 ;; Prologue and epilogue patterns | |
| 23 | |
| 24 (define_expand "prologue" | |
| 25 [(const_int 1)] | |
| 26 "" | |
| 27 "m32c_emit_prologue(); DONE;" | |
| 28 ) | |
| 29 | |
| 30 ; For the next two, operands[0] is the amount of stack space we want | |
| 31 ; to reserve. | |
| 32 | |
| 33 ; We assume dwarf2out will process each set in sequence. | |
| 34 (define_insn "prologue_enter_16" | |
| 35 [(set (mem:HI (plus:HI (reg:HI SP_REGNO) (const_int -2))) | |
| 36 (reg:HI FB_REGNO)) | |
| 37 (set (reg:HI FB_REGNO) | |
| 38 (plus:HI (reg:HI SP_REGNO) (const_int -2))) | |
| 39 (set (reg:HI SP_REGNO) | |
| 40 (minus:HI (reg:HI SP_REGNO) | |
| 41 (match_operand 0 "const_int_operand" "i"))) | |
| 42 ] | |
| 43 "TARGET_A16" | |
| 44 { | |
| 45 /* This is due to binutils bug gas/4659. */ | |
| 46 if (INTVAL (operands[0]) == 2) | |
| 47 return "enter\t#0"; | |
| 48 return "enter\t%0-2"; | |
| 49 } | |
| 50 [(set_attr "flags" "x")] | |
| 51 ) | |
| 52 | |
| 53 (define_insn "prologue_enter_24" | |
| 54 [(set (mem:SI (plus:PSI (reg:PSI SP_REGNO) (const_int -4))) | |
| 55 (reg:SI FB_REGNO)) | |
| 56 (set (reg:PSI FB_REGNO) | |
| 57 (plus:PSI (reg:PSI SP_REGNO) (const_int -4))) | |
| 58 (set (reg:PSI SP_REGNO) | |
| 59 (minus:PSI (reg:PSI SP_REGNO) | |
| 60 (match_operand 0 "const_int_operand" "i"))) | |
| 61 ] | |
| 62 "TARGET_A24" | |
| 63 { | |
| 64 /* This is due to binutils bug gas/4659. */ | |
| 65 if (INTVAL (operands[0]) == 4) | |
| 66 return "enter\t#0"; | |
| 67 return "enter\t%0-4"; | |
| 68 } | |
| 69 [(set_attr "flags" "x")] | |
| 70 ) | |
| 71 | |
| 72 ; Just a comment, for debugging the assembler output. | |
| 73 (define_insn "prologue_end" | |
| 74 [(unspec_volatile [(const_int 0)] UNS_PROLOGUE_END)] | |
| 75 "" | |
| 76 "; end of prologue" | |
| 77 [(set_attr "flags" "n")] | |
| 78 ) | |
| 79 | |
| 80 | |
| 81 | |
| 82 (define_expand "epilogue" | |
| 83 [(const_int 1)] | |
| 84 "" | |
| 85 "m32c_emit_epilogue(); DONE;" | |
| 86 ) | |
| 87 | |
| 88 (define_expand "eh_return" | |
| 89 [(match_operand:PSI 0 "" "")] | |
| 90 "" | |
| 91 "m32c_emit_eh_epilogue(operands[0]); DONE;" | |
| 92 ) | |
| 93 | |
| 94 (define_insn "eh_epilogue" | |
| 95 [(set (pc) | |
| 96 (unspec_volatile [(match_operand 0 "m32c_r1_operand" "") | |
| 97 (match_operand 1 "m32c_r0_operand" "") | |
| 98 ] UNS_EH_EPILOGUE))] | |
| 99 "" | |
| 100 "jmp.a\t__m32c_eh_return" | |
| 101 [(set_attr "flags" "x")] | |
| 102 ) | |
| 103 | |
| 104 (define_insn "epilogue_exitd_16" | |
| 105 [(set (reg:HI SP_REGNO) | |
| 106 (plus:HI (reg:HI FB_REGNO) | |
| 107 (const_int 2))) | |
| 108 (set (reg:HI FB_REGNO) | |
| 109 (mem:HI (reg:HI FB_REGNO))) | |
| 110 (return) | |
| 111 ] | |
| 112 "TARGET_A16" | |
| 113 "exitd" | |
| 114 [(set_attr "flags" "x")] | |
| 115 ) | |
| 116 | |
| 117 (define_insn "epilogue_reit_16" | |
| 118 [(set (reg:HI SP_REGNO) | |
| 119 (plus:HI (reg:HI SP_REGNO) | |
| 120 (const_int 4))) | |
| 121 (return) | |
| 122 ] | |
| 123 "TARGET_A16" | |
| 124 "reit" | |
| 125 [(set_attr "flags" "x")] | |
| 126 ) | |
| 127 | |
| 128 (define_insn "epilogue_exitd_24" | |
| 129 [(set (reg:PSI SP_REGNO) | |
| 130 (plus:PSI (reg:PSI FB_REGNO) | |
| 131 (const_int 4))) | |
| 132 (set (reg:PSI FB_REGNO) | |
| 133 (mem:PSI (reg:PSI FB_REGNO))) | |
| 134 (return) | |
| 135 ] | |
| 136 "TARGET_A24" | |
| 137 "exitd" | |
| 138 [(set_attr "flags" "x")] | |
| 139 ) | |
| 140 | |
| 141 (define_insn "epilogue_reit_24" | |
| 142 [(set (reg:PSI SP_REGNO) | |
| 143 (plus:PSI (reg:PSI SP_REGNO) | |
| 144 (const_int 6))) | |
| 145 (return) | |
| 146 ] | |
| 147 "TARGET_A24" | |
| 148 "reit" | |
| 149 [(set_attr "flags" "x")] | |
| 150 ) | |
| 151 | |
|
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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152 (define_insn "epilogue_freit" |
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77e2b8dfacca
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parents:
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153 [(unspec [(const_int 0)] UNS_FREIT) |
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154 (return) |
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155 ] |
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156 "" |
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157 "freit" |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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158 [(set_attr "flags" "x")] |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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159 ) |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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160 |
| 0 | 161 (define_insn "epilogue_rts" |
| 162 [(return) | |
| 163 ] | |
| 164 "" | |
| 165 "rts" | |
| 166 [(set_attr "flags" "x")] | |
| 167 ) | |
| 168 | |
| 169 (define_insn "epilogue_start" | |
| 170 [(unspec_volatile [(const_int 0)] UNS_EPILOGUE_START)] | |
| 171 "" | |
| 172 "; start of epilogue" | |
| 173 [(set_attr "flags" "n")] | |
| 174 ) | |
| 175 | |
| 176 | |
| 177 ; These are used by the prologue/epilogue code. | |
| 178 | |
| 179 (define_insn "pushm" | |
| 180 [(unspec [(match_operand 0 "const_int_operand" "i")] UNS_PUSHM)] | |
| 181 "" | |
| 182 "pushm\t%p0" | |
| 183 [(set_attr "flags" "n")] | |
| 184 ) | |
| 185 | |
| 186 (define_insn "popm" | |
| 187 [(unspec [(match_operand 0 "const_int_operand" "i")] UNS_POPM)] | |
| 188 "" | |
| 189 "popm\t%p0" | |
| 190 [(set_attr "flags" "n")] | |
| 191 ) | |
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192 |
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193 (define_insn "fset_b" |
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194 [(unspec [(const_int 0)] UNS_FSETB)] |
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195 "" |
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196 "fset\tB" |
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197 [(set_attr "flags" "n")] |
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198 ) |
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199 |