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authorChung-Ju Wu <jasonwucj@gmail.com>2013-10-31 17:08:16 +0000
committerChung-Ju Wu <jasonwucj@gcc.gnu.org>2013-10-31 17:08:16 +0000
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Add new nds32 port, including machine description, libgcc, and documentation.
[gcc/ChangeLog] * config.gcc (nds32*-*-*): Add nds32 target. * config/nds32/nds32.c: New file. * config/nds32/nds32.h: New file. * config/nds32/nds32.md: New file. * config/nds32/constants.md: New file. * config/nds32/constraints.md: New file. * config/nds32/iterators.md: New file. * config/nds32/nds32-doubleword.md: New file. * config/nds32/nds32-intrinsic.md: New file. * config/nds32/nds32_intrinsic.h: New file. * config/nds32/nds32-modes.def: New file. * config/nds32/nds32-multiple.md: New file. * config/nds32/nds32.opt: New file. * config/nds32/nds32-opts.h: New file. * config/nds32/nds32-protos.h: New file. * config/nds32/nds32-peephole2.md: New file. * config/nds32/pipelines.md: New file. * config/nds32/predicates.md: New file. * config/nds32/t-mlibs: New file. * common/config/nds32: New directory and files. * doc/invoke.texi (NDS32 options): Document nds32 specific options. * doc/md.texi (NDS32 family): Document nds32 specific constraints. * doc/install.texi (Cross-Compiler-Specific Options): Document --with-nds32-lib for nds32 target. * doc/extend.texi (Function Attributes, Target Builtins): Document nds32 specific attributes. [libgcc/ChangeLog] * config.host (nds32*-elf*): Add nds32 target. * config/nds32 : New directory and files. [contrib/ChangeLog] * config-list.mk (nds32le-elf, nds32be-elf): Add nds32 target. Co-Authored-By: Shiva Chen <shiva0217@gmail.com> From-SVN: r204269
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+;; Predicate definitions of Andes NDS32 cpu for GNU compiler
+;; Copyright (C) 2012-2013 Free Software Foundation, Inc.
+;; Contributed by Andes Technology Corporation.
+;;
+;; 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_predicate "nds32_equality_comparison_operator"
+ (match_code "eq,ne"))
+
+(define_predicate "nds32_greater_less_comparison_operator"
+ (match_code "gt,ge,lt,le"))
+
+(define_special_predicate "nds32_logical_binary_operator"
+ (match_code "and,ior,xor"))
+
+(define_predicate "nds32_symbolic_operand"
+ (match_code "const,symbol_ref,label_ref"))
+
+(define_predicate "nds32_reg_constant_operand"
+ (ior (match_operand 0 "register_operand")
+ (match_operand 0 "const_int_operand")))
+
+(define_predicate "nds32_rimm15s_operand"
+ (ior (match_operand 0 "register_operand")
+ (and (match_operand 0 "const_int_operand")
+ (match_test "satisfies_constraint_Is15 (op)"))))
+
+(define_predicate "nds32_imm5u_operand"
+ (and (match_operand 0 "const_int_operand")
+ (match_test "satisfies_constraint_Iu05 (op)")))
+
+(define_predicate "nds32_move_operand"
+ (and (match_operand 0 "general_operand")
+ (not (match_code "high,const,symbol_ref,label_ref")))
+{
+ /* If the constant op does NOT satisfy Is20 nor Ihig,
+ we can not perform move behavior by a single instruction. */
+ if (CONST_INT_P (op)
+ && !satisfies_constraint_Is20 (op)
+ && !satisfies_constraint_Ihig (op))
+ return false;
+
+ return true;
+})
+
+(define_special_predicate "nds32_load_multiple_operation"
+ (match_code "parallel")
+{
+ /* To verify 'load' operation, pass 'true' for the second argument.
+ See the implementation in nds32.c for details. */
+ return nds32_valid_multiple_load_store (op, true);
+})
+
+(define_special_predicate "nds32_store_multiple_operation"
+ (match_code "parallel")
+{
+ /* To verify 'store' operation, pass 'false' for the second argument.
+ See the implementation in nds32.c for details. */
+ return nds32_valid_multiple_load_store (op, false);
+})
+
+(define_special_predicate "nds32_stack_push_operation"
+ (match_code "parallel")
+{
+ /* To verify 'push' operation, pass 'true' for the second argument.
+ See the implementation in nds32.c for details. */
+ return nds32_valid_stack_push_pop (op, true);
+})
+
+(define_special_predicate "nds32_stack_pop_operation"
+ (match_code "parallel")
+{
+ /* To verify 'pop' operation, pass 'false' for the second argument.
+ See the implementation in nds32.c for details. */
+ return nds32_valid_stack_push_pop (op, false);
+})
+
+;; ------------------------------------------------------------------------