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jeremybenn |
;; Constraint definitions for S+CORE
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;; Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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;; Contributed by Sunnorth.
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;; This file is part of GCC.
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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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;; 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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;; 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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;; . */
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;; -------------------------------------------------------------------------
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;; Constraints
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;; -------------------------------------------------------------------------
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;; Register constraints.
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(define_register_constraint "d" "G32_REGS"
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"r0 to r31")
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(define_register_constraint "e" "G16_REGS"
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"r0 to r15")
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(define_register_constraint "t" "T32_REGS"
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"r8 to r11 | r22 to r27")
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(define_register_constraint "h" "HI_REG"
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"hi")
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(define_register_constraint "l" "LO_REG"
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"lo")
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(define_register_constraint "x" "CE_REGS"
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"hi + lo")
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(define_register_constraint "q" "CN_REG"
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"cnt")
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(define_register_constraint "y" "LC_REG"
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"lcb")
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(define_register_constraint "z" "SC_REG"
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"scb")
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(define_register_constraint "a" "SP_REGS"
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"cnt + lcb + scb")
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(define_register_constraint "c" "CR_REGS"
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"cr0 to cr15")
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;; Integer constant constraints.
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(define_constraint "I"
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"High 16-bit constant (32-bit constant with 16 LSBs zero)."
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(and (match_code "const_int")
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(match_test "(ival & 0xffff) == 0")))
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(define_constraint "J"
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"Unsigned 5 bit integer (in the range 0 to 31)."
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(and (match_code "const_int")
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(match_test "ival >= 0 && ival <= 31")))
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(define_constraint "K"
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"Unsigned 16 bit integer (in the range 0 to 65535)."
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(and (match_code "const_int")
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(match_test "ival >= 0 && ival <= 65535")))
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(define_constraint "L"
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"Signed 16 bit integer (in the range −32768 to 32767)."
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(and (match_code "const_int")
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(match_test "ival >= -32768 && ival <= 32767")))
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(define_constraint "M"
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"Unsigned 14 bit integer (in the range 0 to 16383)."
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(and (match_code "const_int")
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(match_test "ival >= 0 && ival <= 16383")))
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(define_constraint "N"
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"Signed 14 bit integer (in the range −8192 to 8191)."
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(and (match_code "const_int")
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(match_test "ival >= -8192 && ival <= 8191")))
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(define_constraint "Z"
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"Any SYMBOL_REF."
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(and (match_code "symbol_ref")
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(match_test "GET_CODE (op) == SYMBOL_REF")))
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