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;; Predicate definitions for MIPS.
;; Copyright (C) 2004 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 2, 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 COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(define_predicate "const_uns_arith_operand"
(and (match_code "const_int")
(match_test "SMALL_OPERAND_UNSIGNED (INTVAL (op))")))
(define_predicate "uns_arith_operand"
(ior (match_operand 0 "const_uns_arith_operand")
(match_operand 0 "register_operand")))
(define_predicate "const_arith_operand"
(and (match_code "const_int")
(match_test "SMALL_OPERAND (INTVAL (op))")))
(define_predicate "arith_operand"
(ior (match_operand 0 "const_arith_operand")
(match_operand 0 "register_operand")))
(define_predicate "sle_operand"
(and (match_code "const_int")
(match_test "SMALL_OPERAND (INTVAL (op) + 1)")))
(define_predicate "sleu_operand"
(and (match_operand 0 "sle_operand")
(match_test "INTVAL (op) + 1 != 0")))
(define_predicate "const_0_operand"
(and (match_code "const_int,const_double,const_vector")
(match_test "op == CONST0_RTX (GET_MODE (op))")))
(define_predicate "reg_or_0_operand"
(ior (and (match_operand 0 "const_0_operand")
(match_test "!TARGET_MIPS16"))
(match_operand 0 "register_operand")))
(define_predicate "const_1_operand"
(and (match_code "const_int,const_double,const_vector")
(match_test "op == CONST1_RTX (GET_MODE (op))")))
(define_predicate "reg_or_1_operand"
(ior (match_operand 0 "const_1_operand")
(match_operand 0 "register_operand")))
;; This is used for indexing into vectors, and hence only accepts const_int.
(define_predicate "const_0_or_1_operand"
(and (match_code "const_int")
(ior (match_test "op == CONST0_RTX (GET_MODE (op))")
(match_test "op == CONST1_RTX (GET_MODE (op))"))))
(define_predicate "fpr_operand"
(and (match_code "reg")
(match_test "FP_REG_P (REGNO (op))")))
(define_predicate "lo_operand"
(and (match_code "reg")
(match_test "REGNO (op) == LO_REGNUM")))
(define_predicate "fcc_reload_operand"
(and (match_code "reg,subreg")
(match_test "ST_REG_P (true_regnum (op))")))
(define_special_predicate "pc_or_label_operand"
(match_code "pc,label_ref"))
(define_predicate "const_call_insn_operand"
(match_code "const,symbol_ref,label_ref")
{
enum mips_symbol_type symbol_type;
if (!mips_symbolic_constant_p (op, &symbol_type))
return false;
switch (symbol_type)
{
case SYMBOL_GENERAL:
/* If -mlong-calls, force all calls to use register addressing. */
return !TARGET_LONG_CALLS;
case SYMBOL_GOT_GLOBAL:
/* Without explicit relocs, there is no special syntax for
loading the address of a call destination into a register.
Using "la $25,foo; jal $25" would prevent the lazy binding
of "foo", so keep the address of global symbols with the
jal macro. */
return !TARGET_EXPLICIT_RELOCS;
default:
return false;
}
})
(define_predicate "call_insn_operand"
(ior (match_operand 0 "const_call_insn_operand")
(match_operand 0 "register_operand")))
(define_predicate "move_operand"
(match_operand 0 "general_operand")
{
switch (GET_CODE (op))
{
case CONST_INT:
/* When generating mips16 code, LEGITIMATE_CONSTANT_P rejects
CONST_INTs that can't be loaded using simple insns. */
if (TARGET_MIPS16)
return true;
/* When generating 32-bit code, allow DImode move_operands to
match arbitrary constants. We split them after reload. */
if (!TARGET_64BIT && mode == DImode)
return true;
/* Otherwise check whether the constant can be loaded in a single
instruction. */
return LUI_INT (op) || SMALL_INT (op) || SMALL_INT_UNSIGNED (op);
case CONST:
case SYMBOL_REF:
case LABEL_REF:
return CONST_GP_P (op) || mips_atomic_symbolic_constant_p (op);
default:
return true;
}
})
(define_predicate "consttable_operand"
(match_test "CONSTANT_P (op)"))
(define_predicate "symbolic_operand"
(match_code "const,symbol_ref,label_ref")
{
enum mips_symbol_type type;
return mips_symbolic_constant_p (op, &type);
})
(define_predicate "general_symbolic_operand"
(match_code "const,symbol_ref,label_ref")
{
enum mips_symbol_type type;
return mips_symbolic_constant_p (op, &type) && type == SYMBOL_GENERAL;
})
(define_predicate "global_got_operand"
(match_code "const,symbol_ref,label_ref")
{
enum mips_symbol_type type;
return mips_symbolic_constant_p (op, &type) && type == SYMBOL_GOT_GLOBAL;
})
(define_predicate "local_got_operand"
(match_code "const,symbol_ref,label_ref")
{
enum mips_symbol_type type;
return mips_symbolic_constant_p (op, &type) && type == SYMBOL_GOT_LOCAL;
})
(define_predicate "stack_operand"
(and (match_code "mem")
(match_test "mips_stack_address_p (XEXP (op, 0), GET_MODE (op))")))
(define_predicate "macc_msac_operand"
(ior (and (match_code "plus") (match_test "ISA_HAS_MACC"))
(and (match_code "minus") (match_test "ISA_HAS_MSAC")))
{
rtx mult = XEXP (op, GET_CODE (op) == PLUS ? 0 : 1);
rtx accum = XEXP (op, GET_CODE (op) == PLUS ? 1 : 0);
return (GET_CODE (mult) == MULT
&& REG_P (XEXP (mult, 0))
&& REG_P (XEXP (mult, 1))
&& REG_P (accum));
})
(define_predicate "equality_operator"
(match_code "eq,ne"))
(define_predicate "extend_operator"
(match_code "zero_extend,sign_extend"))
(define_predicate "trap_comparison_operator"
(match_code "eq,ne,lt,ltu,ge,geu"))
(define_predicate "small_data_pattern"
(and (match_code "set,parallel,unspec,unspec_volatile,prefetch")
(match_test "mips_small_data_pattern_p (op)")))
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