Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/m32c/jump.md @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 ;; Machine Descriptions for R8C/M16C/M32C |
| 145 | 2 ;; Copyright (C) 2005-2020 Free Software Foundation, Inc. |
| 0 | 3 ;; Contributed by Red Hat. |
| 4 ;; | |
| 5 ;; This file is part of GCC. | |
| 6 ;; | |
| 7 ;; GCC is free software; you can redistribute it and/or modify it | |
| 8 ;; under the terms of the GNU General Public License as published | |
| 9 ;; by the Free Software Foundation; either version 3, or (at your | |
| 10 ;; option) any later version. | |
| 11 ;; | |
| 12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 ;; License for more details. | |
| 16 ;; | |
| 17 ;; You should have received a copy of the GNU General Public License | |
| 18 ;; along with GCC; see the file COPYING3. If not see | |
| 19 ;; <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 ;; jump, conditionals, calls, etc | |
| 22 | |
| 23 (define_insn "indirect_jump_16" | |
| 24 [(set (pc) | |
| 25 (match_operand:HI 0 "register_operand" "Rhi"))] | |
| 26 "TARGET_A16" | |
| 27 ; "jmpi.a\t%0" | |
| 28 ; no 16-bit jmpi in r8c | |
| 29 "push.b #0 | push.w\t%0 | rts" | |
| 30 [(set_attr "flags" "x")] | |
| 31 ) | |
| 32 | |
| 33 (define_insn "indirect_jump_24" | |
| 34 [(set (pc) | |
| 35 (match_operand:PSI 0 "register_operand" "Rpi"))] | |
| 36 "TARGET_A24" | |
| 37 "jmpi.a\t%0" | |
| 38 [(set_attr "flags" "n")] | |
| 39 ) | |
| 40 | |
| 41 (define_expand "indirect_jump" | |
| 42 [(match_operand 0 "register_operand" "")] | |
| 43 "" | |
| 44 "if (TARGET_A16) | |
| 45 emit_jump_insn (gen_indirect_jump_16(operands[0])); | |
| 46 else | |
| 47 emit_jump_insn (gen_indirect_jump_24(operands[0])); | |
| 48 DONE;" | |
| 49 ) | |
| 50 | |
| 51 ; We can replace this with jmp.s when gas supports relaxing. m32c | |
| 52 ; opcodes are too complicated to try to compute their sizes here, it's | |
| 53 ; far easier (and more reliable) to let gas worry about it. | |
| 54 (define_insn "jump" | |
| 55 [(set (pc) | |
| 56 (label_ref (match_operand 0 "" "")))] | |
| 57 "" | |
| 58 "jmp.a\t%l0" | |
| 59 [(set_attr "flags" "n")] | |
| 60 ) | |
| 61 | |
| 62 ; No 16-bit indirect calls on r8c/m16c. */ | |
| 63 (define_insn "call" | |
| 64 [(call (match_operand:QI 0 "memory_operand" "Si,SaSb,?Rmm") | |
| 65 (match_operand 1 "" "")) | |
| 66 (use (match_operand 2 "immediate_operand" ""))] | |
| 67 "" | |
| 68 "* | |
| 69 switch (which_alternative) { | |
| 70 case 0: | |
| 71 { | |
| 72 HOST_WIDE_INT func_vect_num = | |
| 73 current_function_special_page_vector(XEXP (operands[0], 0)); | |
| 74 if (func_vect_num) | |
| 75 { | |
| 76 operands[3] = gen_rtx_CONST_INT (VOIDmode, func_vect_num); | |
| 77 return \"jsrs\t%3\"; | |
| 78 } | |
| 79 else | |
| 80 return \"jsr.a\t%0\"; | |
| 81 } | |
| 82 case 1: return TARGET_A16 ? \"push.w %a0 | jsr.a\tm32c_jsri16\" : \"jsri.a\t%a0\"; | |
| 83 case 2: return \"jsri.a\t%a0\"; | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
84 default: gcc_unreachable (); |
| 0 | 85 }" |
| 86 [(set_attr "flags" "x")] | |
| 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) { | |
| 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 } | |
| 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\"; | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
111 default: gcc_unreachable (); |
| 0 | 112 }" |
| 113 [(set_attr "flags" "x,x,x")] | |
| 114 ) | |
| 115 | |
| 116 (define_expand "untyped_call" | |
| 117 [(parallel [(call (match_operand 0 "" "") | |
| 118 (const_int 0)) | |
| 119 (match_operand 1 "" "") | |
| 120 (match_operand 2 "" "")])] | |
| 121 "" | |
| 122 " | |
| 123 { | |
| 124 int i; | |
| 125 | |
| 126 emit_call_insn (gen_call (operands[0], const0_rtx, const0_rtx)); | |
| 127 | |
| 128 for (i = 0; i < XVECLEN (operands[2], 0); i++) | |
| 129 { | |
| 130 rtx set = XVECEXP (operands[2], 0, i); | |
| 131 emit_move_insn (SET_DEST (set), SET_SRC (set)); | |
| 132 } | |
| 133 DONE; | |
| 134 }") |