;; Constraint definitions for pa
|
;; Constraint definitions for pa
|
;; Copyright (C) 2007 Free Software Foundation, Inc.
|
;; Copyright (C) 2007 Free Software Foundation, Inc.
|
|
|
;; This file is part of GCC.
|
;; This file is part of GCC.
|
|
|
;; GCC is free software; you can redistribute it and/or modify it
|
;; GCC is free software; you can redistribute it and/or modify it
|
;; under the terms of the GNU General Public License as published
|
;; under the terms of the GNU General Public License as published
|
;; by the Free Software Foundation; either version 3, or (at your
|
;; by the Free Software Foundation; either version 3, or (at your
|
;; option) any later version.
|
;; option) any later version.
|
|
|
;; GCC is distributed in the hope that it will be useful, but WITHOUT
|
;; GCC is distributed in the hope that it will be useful, but WITHOUT
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
;; License for more details.
|
;; License for more details.
|
|
|
;; You should have received a copy of the GNU General Public License
|
;; You should have received a copy of the GNU General Public License
|
;; along with GCC; see the file COPYING3. If not see
|
;; along with GCC; see the file COPYING3. If not see
|
;; .
|
;; .
|
|
|
;;; Unused letters:
|
;;; Unused letters:
|
;;; ABCDEF H V Y
|
;;; ABCDEF H V Y
|
;;; bcde ghijklmnop stuvw z
|
;;; bcde ghijklmnop stuvw z
|
|
|
;; Register constraints.
|
;; Register constraints.
|
(define_register_constraint "a" "R1_REGS"
|
(define_register_constraint "a" "R1_REGS"
|
"General register 1.")
|
"General register 1.")
|
|
|
(define_register_constraint "f" "FP_REGS"
|
(define_register_constraint "f" "FP_REGS"
|
"Floating-point register.")
|
"Floating-point register.")
|
|
|
(define_register_constraint "q" "SHIFT_REGS"
|
(define_register_constraint "q" "SHIFT_REGS"
|
"Shift amount register.")
|
"Shift amount register.")
|
|
|
;; Keep 'x' for backward compatibility with user asm.
|
;; Keep 'x' for backward compatibility with user asm.
|
(define_register_constraint "x" "FP_REGS"
|
(define_register_constraint "x" "FP_REGS"
|
"Floating-point register.")
|
"Floating-point register.")
|
|
|
(define_register_constraint "y" "TARGET_64BIT ? FP_REGS : FPUPPER_REGS"
|
(define_register_constraint "y" "TARGET_64BIT ? FP_REGS : FPUPPER_REGS"
|
"Upper floating-point register.")
|
"Upper floating-point register.")
|
|
|
(define_register_constraint "Z" "ALL_REGS"
|
(define_register_constraint "Z" "ALL_REGS"
|
"Any register.")
|
"Any register.")
|
|
|
;; Integer constant constraints.
|
;; Integer constant constraints.
|
(define_constraint "I"
|
(define_constraint "I"
|
"Signed 11-bit integer constant."
|
"Signed 11-bit integer constant."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "VAL_11_BITS_P (ival)")))
|
(match_test "VAL_11_BITS_P (ival)")))
|
|
|
(define_constraint "J"
|
(define_constraint "J"
|
"Signed 14-bit integer constant."
|
"Signed 14-bit integer constant."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "VAL_14_BITS_P (ival)")))
|
(match_test "VAL_14_BITS_P (ival)")))
|
|
|
(define_constraint "K"
|
(define_constraint "K"
|
"Integer constant that can be deposited with a zdepi instruction."
|
"Integer constant that can be deposited with a zdepi instruction."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "zdepi_cint_p (ival)")))
|
(match_test "zdepi_cint_p (ival)")))
|
|
|
(define_constraint "L"
|
(define_constraint "L"
|
"Signed 5-bit integer constant."
|
"Signed 5-bit integer constant."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "VAL_5_BITS_P (ival)")))
|
(match_test "VAL_5_BITS_P (ival)")))
|
|
|
(define_constraint "M"
|
(define_constraint "M"
|
"Integer constant 0."
|
"Integer constant 0."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "ival == 0")))
|
(match_test "ival == 0")))
|
|
|
(define_constraint "N"
|
(define_constraint "N"
|
"Integer constant that can be loaded with a ldil instruction."
|
"Integer constant that can be loaded with a ldil instruction."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "ldil_cint_p (ival)")))
|
(match_test "ldil_cint_p (ival)")))
|
|
|
(define_constraint "O"
|
(define_constraint "O"
|
"Integer constant such that ival+1 is a power of 2."
|
"Integer constant such that ival+1 is a power of 2."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "(ival & (ival + 1)) == 0")))
|
(match_test "(ival & (ival + 1)) == 0")))
|
|
|
(define_constraint "P"
|
(define_constraint "P"
|
"Integer constant that can be used as an and mask in depi and
|
"Integer constant that can be used as an and mask in depi and
|
extru instructions."
|
extru instructions."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "and_mask_p (ival)")))
|
(match_test "and_mask_p (ival)")))
|
|
|
(define_constraint "S"
|
(define_constraint "S"
|
"Integer constant 31."
|
"Integer constant 31."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "ival == 31")))
|
(match_test "ival == 31")))
|
|
|
(define_constraint "U"
|
(define_constraint "U"
|
"Integer constant 63."
|
"Integer constant 63."
|
(and (match_code "const_int")
|
(and (match_code "const_int")
|
(match_test "ival == 63")))
|
(match_test "ival == 63")))
|
|
|
;; Floating-point constant constraints.
|
;; Floating-point constant constraints.
|
(define_constraint "G"
|
(define_constraint "G"
|
"Floating-point constant 0."
|
"Floating-point constant 0."
|
(and (match_code "const_double")
|
(and (match_code "const_double")
|
(match_test "GET_MODE_CLASS (mode) == MODE_FLOAT
|
(match_test "GET_MODE_CLASS (mode) == MODE_FLOAT
|
&& op == CONST0_RTX (mode)")))
|
&& op == CONST0_RTX (mode)")))
|
|
|
;; Extra constraints.
|
;; Extra constraints.
|
(define_constraint "A"
|
(define_constraint "A"
|
"A LO_SUM DLT memory operand."
|
"A LO_SUM DLT memory operand."
|
(and (match_code "mem")
|
(and (match_code "mem")
|
(match_test "IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))")))
|
(match_test "IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))")))
|
|
|
(define_constraint "Q"
|
(define_constraint "Q"
|
"A memory operand that can be used as the destination operand of an
|
"A memory operand that can be used as the destination operand of an
|
integer store, or the source operand of an integer load. That is
|
integer store, or the source operand of an integer load. That is
|
any memory operand that isn't a symbolic, indexed or lo_sum memory
|
any memory operand that isn't a symbolic, indexed or lo_sum memory
|
operand. Note that an unassigned pseudo register is such a memory
|
operand. Note that an unassigned pseudo register is such a memory
|
operand. We accept unassigned pseudo registers because reload
|
operand. We accept unassigned pseudo registers because reload
|
generates them and then doesn't re-recognize the insn, causing
|
generates them and then doesn't re-recognize the insn, causing
|
constrain_operands to fail."
|
constrain_operands to fail."
|
(match_test "integer_store_memory_operand (op, mode)"))
|
(match_test "integer_store_memory_operand (op, mode)"))
|
|
|
(define_constraint "R"
|
(define_constraint "R"
|
"A scaled or unscaled indexed memory operand that can be used as the
|
"A scaled or unscaled indexed memory operand that can be used as the
|
source address in integer and floating-point loads."
|
source address in integer and floating-point loads."
|
(and (match_code "mem")
|
(and (match_code "mem")
|
(match_test "IS_INDEX_ADDR_P (XEXP (op, 0))")))
|
(match_test "IS_INDEX_ADDR_P (XEXP (op, 0))")))
|
|
|
(define_constraint "T"
|
(define_constraint "T"
|
"A memory operand for floating-point loads and stores."
|
"A memory operand for floating-point loads and stores."
|
(and (match_code "mem")
|
(and (match_code "mem")
|
(match_test "!IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))
|
(match_test "!IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))
|
&& !IS_INDEX_ADDR_P (XEXP (op, 0))
|
&& !IS_INDEX_ADDR_P (XEXP (op, 0))
|
&& memory_address_p ((GET_MODE_SIZE (mode) == 4
|
&& memory_address_p ((GET_MODE_SIZE (mode) == 4
|
? SFmode : DFmode),
|
? SFmode : DFmode),
|
XEXP (op, 0))")))
|
XEXP (op, 0))")))
|
|
|
;; We could allow short displacements but TARGET_LEGITIMATE_ADDRESS_P
|
;; We could allow short displacements but TARGET_LEGITIMATE_ADDRESS_P
|
;; can't tell when a long displacement is valid.
|
;; can't tell when a long displacement is valid.
|
(define_constraint "W"
|
(define_constraint "W"
|
"A register indirect memory operand."
|
"A register indirect memory operand."
|
(and (match_code "mem")
|
(and (match_code "mem")
|
(match_test "REG_P (XEXP (op, 0))
|
(match_test "REG_P (XEXP (op, 0))
|
&& REG_OK_FOR_BASE_P (XEXP (op, 0))")))
|
&& REG_OK_FOR_BASE_P (XEXP (op, 0))")))
|
|
|
