| ;; Constraint definitions for V850. |
| ;; Copyright (C) 2011-2021 Free Software Foundation, Inc. |
| ;; |
| ;; This file is part of GCC. |
| ;; |
| ;; GCC is free software; you can redistribute it and/or modify |
| ;; it under the terms of the GNU General Public License as published by |
| ;; the Free Software Foundation; either version 3, or (at your option) |
| ;; any later version. |
| ;; |
| ;; GCC is distributed in the hope that it will be useful, |
| ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ;; GNU General Public License for more details. |
| ;; |
| ;; You should have received a copy of the GNU General Public License |
| ;; along with GCC; see the file COPYING3. If not see |
| ;; <http://www.gnu.org/licenses/>. |
| |
| (define_register_constraint "e" "EVEN_REGS" |
| "@internal") |
| |
| ;; Integer constraints. |
| (define_constraint "I" |
| "Integer constant 0." |
| (and (match_code "const_int") |
| (match_test "ival == 0"))) |
| |
| (define_constraint "J" |
| "A signed 5-bit immediate." |
| (and (match_code "const_int") |
| (match_test "ival >= -16 && ival <= 15"))) |
| |
| (define_constraint "K" |
| "A signed 16-bit immediate." |
| (and (match_code "const_int") |
| (match_test "ival >= -32768 && ival <= 32767"))) |
| |
| (define_constraint "L" |
| "A valid constant for a movhi instruction." |
| (and (match_code "const_int") |
| (ior (match_test "(ival | 0x7fff0000) == 0x7fff0000") |
| (match_test "(ival | 0x7fff0000) + 0x10000 == 0")))) |
| |
| (define_constraint "M" |
| "An unsigned 16-bit immediate." |
| (and (match_code "const_int") |
| (match_test "ival >= 0 && ival <= 65535"))) |
| |
| (define_constraint "N" |
| "An unsigned 5-bit immediate in shift instructions." |
| (and (match_code "const_int") |
| (match_test "ival >= 0 && ival <= 31"))) |
| |
| (define_constraint "O" |
| "A signed 9-bit immediate for word multiply instructions." |
| (and (match_code "const_int") |
| (match_test "ival >= -255 && ival <= 255"))) |
| |
| (define_constraint "P" |
| "@internal" |
| (and (match_code "const_int") |
| (match_test "0"))) |
| |
| ;; Floating-point constraints. |
| (define_constraint "G" |
| "A zero of some form." |
| (and (match_code "const_double") |
| (ior (match_test "GET_MODE_CLASS (mode) == MODE_FLOAT") |
| (match_test "GET_MODE_CLASS (mode) == MODE_INT")) |
| (match_test "op == CONST0_RTX (mode)"))) |
| |
| (define_constraint "H" |
| "@internal" |
| (and (match_code "const_double") |
| (match_test "0"))) |
| |
| ;;; Extra constraints. |
| (define_memory_constraint "Q" |
| "A memory address that does not contain a symbol address." |
| (and (match_code "mem") |
| (match_test "ep_memory_operand (op, mode, FALSE)"))) |
| |
| (define_constraint "R" |
| "@internal" |
| (match_test "special_symbolref_operand (op, VOIDmode)")) |
| |
| (define_constraint "S" |
| "@internal" |
| (and (match_code "symbol_ref") |
| (match_test "!SYMBOL_REF_ZDA_P (op)"))) |
| |
| (define_constraint "T" |
| "@internal" |
| (match_test "ep_memory_operand (op, mode, TRUE)")) |
| |
| (define_constraint "U" |
| "@internal" |
| (ior (and (match_code "symbol_ref") |
| (match_test "SYMBOL_REF_ZDA_P (op)")) |
| (and (match_code "const") |
| (match_test "GET_CODE (XEXP (op, 0)) == PLUS") |
| (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF") |
| (match_test "SYMBOL_REF_ZDA_P (XEXP (XEXP (op, 0), 0))")))) |
| |
| (define_constraint "W" |
| "@internal" |
| (match_test "disp23_operand (op, VOIDmode)")) |