--- /dev/null
+;; Constraint definitions for the FR30.
+;; Copyright (C) 2011
+;; 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 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/>.
+
+;; Register constraints.
+(define_register_constraint "d" "MULTIPLY_64_REG"
+ "The MDH,MDL register pair as used by MUL and MULU.")
+
+(define_register_constraint "e" "MULTIPLY_32_REG"
+ "The MDL register as used by MULH and MULUH.")
+
+(define_register_constraint "h" "HIGH_REGS"
+ "Registers 8 through 15.")
+
+(define_register_constraint "l" "LOW_REGS"
+ "Registers 0 through 7.")
+
+(define_register_constraint "a" "ALL_REGS"
+ "@internal")
+
+;; Integer constraints.
+(define_constraint "I"
+ "An integer in the range 0 to 15."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, 0, 15)")))
+
+(define_constraint "J"
+ "An integer in the range -16 to -1."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, -16, -1)")))
+
+(define_constraint "K"
+ "An integer in the range 16 to 31."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, 16, 31)")))
+
+(define_constraint "L"
+ "An integer in the range 0 to 255."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, 0, 255)")))
+
+(define_constraint "M"
+ "An integer in the range 0 to 1048575."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, 0, 1048575)")))
+
+(define_constraint "P"
+ "An integer in the range -256 to 255."
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (ival, -256, 255)")))
+
+;; Extra constraints.
+(define_constraint "Q"
+ "@internal"
+ (and (match_code "mem")
+ (match_code "symbol_ref" "0")))
(as well as added to a displacement). */
#define INDEX_REG_CLASS REAL_REGS
-/* A C expression which defines the machine-dependent operand constraint
- letters for register classes. If CHAR is such a letter, the value should be
- the register class corresponding to it. Otherwise, the value should be
- `NO_REGS'. The register letter `r', corresponding to class `GENERAL_REGS',
- will not be passed to this macro; you do not need to handle it.
-
- The following letters are unavailable, due to being used as
- constraints:
- '0'..'9'
- '<', '>'
- 'E', 'F', 'G', 'H'
- 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P'
- 'Q', 'R', 'S', 'T', 'U'
- 'V', 'X'
- 'g', 'i', 'm', 'n', 'o', 'p', 'r', 's' */
-
-#define REG_CLASS_FROM_LETTER(CHAR) \
- ( (CHAR) == 'd' ? MULTIPLY_64_REG \
- : (CHAR) == 'e' ? MULTIPLY_32_REG \
- : (CHAR) == 'h' ? HIGH_REGS \
- : (CHAR) == 'l' ? LOW_REGS \
- : (CHAR) == 'a' ? ALL_REGS \
- : NO_REGS)
-
/* A C expression which is nonzero if register number NUM is suitable for use
as a base register in operand addresses. It may be either a suitable hard
register or a pseudo register that has been allocated such a hard register. */
the reload pass. */
#define CLASS_MAX_NREGS(CLASS, MODE) HARD_REGNO_NREGS (0, MODE)
-/*}}}*/ \f
-/*{{{ CONSTANTS. */
-
-/* A C expression that defines the machine-dependent operand constraint letters
- (`I', `J', `K', .. 'P') that specify particular ranges of integer values.
- If C is one of those letters, the expression should check that VALUE, an
- integer, is in the appropriate range and return 1 if so, 0 otherwise. If C
- is not one of those letters, the value should be 0 regardless of VALUE. */
-#define CONST_OK_FOR_LETTER_P(VALUE, C) \
- ( (C) == 'I' ? IN_RANGE (VALUE, 0, 15) \
- : (C) == 'J' ? IN_RANGE (VALUE, -16, -1) \
- : (C) == 'K' ? IN_RANGE (VALUE, 16, 31) \
- : (C) == 'L' ? IN_RANGE (VALUE, 0, (1 << 8) - 1) \
- : (C) == 'M' ? IN_RANGE (VALUE, 0, (1 << 20) - 1) \
- : (C) == 'P' ? IN_RANGE (VALUE, -(1 << 8), (1 << 8) - 1) \
- : 0)
-
-/* A C expression that defines the machine-dependent operand constraint letters
- (`G', `H') that specify particular ranges of `const_double' values.
-
- If C is one of those letters, the expression should check that VALUE, an RTX
- of code `const_double', is in the appropriate range and return 1 if so, 0
- otherwise. If C is not one of those letters, the value should be 0
- regardless of VALUE.
-
- `const_double' is used for all floating-point constants and for `DImode'
- fixed-point constants. A given letter can accept either or both kinds of
- values. It can use `GET_MODE' to distinguish between these kinds. */
-#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0
-
-/* A C expression that defines the optional machine-dependent constraint
- letters (`Q', `R', `S', `T', `U') that can be used to segregate specific
- types of operands, usually memory references, for the target machine.
- Normally this macro will not be defined. If it is required for a particular
- target machine, it should return 1 if VALUE corresponds to the operand type
- represented by the constraint letter C. If C is not defined as an extra
- constraint, the value returned should be 0 regardless of VALUE.
-
- For example, on the ROMP, load instructions cannot have their output in r0
- if the memory reference contains a symbolic address. Constraint letter `Q'
- is defined as representing a memory address that does *not* contain a
- symbolic address. An alternative is specified with a `Q' constraint on the
- input and `r' on the output. The next alternative specifies `m' on the
- input and a register class that does not include r0 on the output. */
-#define EXTRA_CONSTRAINT(VALUE, C) \
- ((C) == 'Q' ? (GET_CODE (VALUE) == MEM && GET_CODE (XEXP (VALUE, 0)) == SYMBOL_REF) : 0)
-
/*}}}*/ \f
/*{{{ Basic Stack Layout. */
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