Mercurial > hg > CbC > CbC_gcc
diff gcc/config/moxie/predicates.md @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | |
children | 04ced10e8804 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/moxie/predicates.md Fri Feb 12 23:39:51 2010 +0900 @@ -0,0 +1,55 @@ +;; Predicate definitions for Moxie +;; Copyright (C) 2009 Free Software Foundation, Inc. +;; Contributed by Anthony Green <green@moxielogic.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/>. + +;; ------------------------------------------------------------------------- +;; Predicates +;; ------------------------------------------------------------------------- + +;; Nonzero if OP can be source of a simple move operation. + +(define_predicate "moxie_general_movsrc_operand" + (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const") +{ + /* Any (MEM LABEL_REF) is OK. That is a pc-relative load. */ + if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF) + return 1; + + if (MEM_P (op) + && GET_CODE (XEXP (op, 0)) == PLUS + && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG + && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST) + return 1; + + return general_operand (op, mode); +}) + +;; Nonzero if OP can be an operand to an add/inc/dec instruction. + +(define_predicate "moxie_add_operand" + (ior (match_code "reg") + (and (match_code "const_int") + (match_test "IN_RANGE (INTVAL (op), -255, 255)")))) + +;; Nonzero if OP can be an operand to an sub/dec instruction. + +(define_predicate "moxie_sub_operand" + (ior (match_code "reg") + (and (match_code "const_int") + (match_test "IN_RANGE (INTVAL (op), 0, 255)")))) \ No newline at end of file