Mercurial > hg > CbC > CbC_gcc
view gcc/config/picochip/constraints.md @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | a06113de4d67 |
children |
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;; GCC machine description for picochip ;; Copyright (C) 2008, 2009 Free Software Foundation, Inc. ;; Contributed by Picochip Ltd (http://www.picochip.com) ;; Maintained by Daniel Towner (dant@picochip.com) and Hariharan ;; Sandanagobalane (hariharan@picochip.com) ;; ;; 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_constraint "I" "4-bits signed value" (and (match_code "const_int") (match_test " ival >= -8 && ival< 8"))) (define_constraint "J" "4-bits unsigned value" (and (match_code "const_int") (match_test "ival>=0 && ival < 16"))) (define_constraint "K" "8-bits signed value" (and (match_code "const_int") (match_test " ival >= -128 && ival < 128"))) (define_constraint "M" "4-bits magnitude" (and (match_code "const_int") (match_test " abs(ival) < 16"))) (define_constraint "N" "10-bits signed value" (and (match_code "const_int") (match_test "ival >= -512 && ival < 512"))) (define_constraint "O" "16-bits signed value" (and (match_code "const_int") (match_test " ival >= -32768 && ival < 32768 "))) (define_constraint "a" "See if this is an absolute address in memory" (and (match_code "mem") (match_test "picochip_absolute_memory_operand(op,mode) == 1"))) (define_register_constraint "k" "FRAME_REGS" "Frame regs") (define_register_constraint "f" "PTR_REGS" "Pointer regs") (define_register_constraint "t" "TWIN_REGS" "Twin regs")