80 lines
2.0 KiB
Markdown
80 lines
2.0 KiB
Markdown
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;; Machine Descriptions for R8C/M16C/M32C
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;; Copyright (C) 2005-2021 Free Software Foundation, Inc.
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;; Contributed by Red Hat.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published
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;; by the Free Software Foundation; either version 3, or (at your
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;; option) any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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(define_constants
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[(R0_REGNO 0)
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(R2_REGNO 1)
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(R1_REGNO 2)
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(R3_REGNO 3)
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(A0_REGNO 4)
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(A1_REGNO 5)
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(SB_REGNO 6)
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(FB_REGNO 7)
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(SP_REGNO 8)
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(PC_REGNO 9)
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(FLG_REGNO 10)
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(MEM0_REGNO 12)
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(MEM7_REGNO 19)
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])
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(define_constants
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[(UNS_PROLOGUE_END 1)
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(UNS_EPILOGUE_START 2)
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(UNS_EH_EPILOGUE 3)
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(UNS_PUSHM 4)
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(UNS_POPM 5)
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(UNS_SMOVF 6)
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(UNS_SSTR 7)
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(UNS_SCMPU 8)
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(UNS_SMOVU 9)
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(UNS_FSETB 10)
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(UNS_FREIT 11)
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])
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;; n = no change, x = clobbered. The first 16 values are chosen such
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;; that the enum has one bit set for each flag.
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(define_attr "flags" "x,c,z,zc,s,sc,sz,szc,o,oc,oz,ozc,os,osc,osz,oszc,n" (const_string "n"))
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(define_asm_attributes [(set_attr "flags" "x")])
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(define_mode_iterator QHI [QI HI])
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(define_mode_iterator HPSI [(HI "TARGET_A16") (PSI "TARGET_A24")])
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(define_mode_iterator QHPSI [QI HI (PSI "TARGET_A24")])
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(define_mode_iterator QHSI [QI HI (SI "TARGET_A24")])
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(define_mode_attr bwl [(QI "b") (HI "w") (PSI "l") (SI "l")])
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(define_code_iterator eqne_cond [eq ne])
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(define_insn "nop"
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[(const_int 0)]
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""
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"nop"
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[(set_attr "flags" "n")]
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)
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(define_insn "no_insn"
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[(const_int 1)]
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""
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""
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[(set_attr "flags" "n")]
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)
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