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Diffstat (limited to 'gcc-4.9/gcc/config/tilegx/constraints.md')
| -rw-r--r-- | gcc-4.9/gcc/config/tilegx/constraints.md | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/tilegx/constraints.md b/gcc-4.9/gcc/config/tilegx/constraints.md new file mode 100644 index 000000000..ad9aff18c --- /dev/null +++ b/gcc-4.9/gcc/config/tilegx/constraints.md @@ -0,0 +1,122 @@ +;; Constraint definitions for Tilera TILE-Gx. +;; Copyright (C) 2011-2014 Free Software Foundation, Inc. +;; Contributed by Walter Lee (walt@tilera.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/>. + +(define_register_constraint "R00" "R0_REGS" "r0") +(define_register_constraint "R01" "R1_REGS" "r1") +(define_register_constraint "R02" "R2_REGS" "r2") +(define_register_constraint "R03" "R3_REGS" "r3") +(define_register_constraint "R04" "R4_REGS" "r4") +(define_register_constraint "R05" "R5_REGS" "r5") +(define_register_constraint "R06" "R6_REGS" "r6") +(define_register_constraint "R07" "R7_REGS" "r7") +(define_register_constraint "R08" "R8_REGS" "r8") +(define_register_constraint "R09" "R9_REGS" "r9") +(define_register_constraint "R10" "R10_REGS" "r10") + +(define_constraint "I" + "A signed 8 bit constant" + (and (match_code "const_int") + (match_test "ival >= -128 && ival <= 127"))) + +(define_constraint "J" + "Signed 16-bit integer constant" + (and (match_code "const_int") + (match_test "ival >= -32768 && ival <= 32767"))) + +(define_constraint "K" + "Unsigned 16-bit integer constant" + (and (match_code "const_int") + (match_test "(ival >= 0 && ival <= 65535)"))) + +(define_constraint "L" + "Integer constant that fits in one signed byte when incremented" + (and (match_code "const_int") + (match_test "ival >= -129 && ival <= 126"))) + +(define_constraint "M" + "A bit mask suitable for 'bfins'" + (and (match_code "const_int") + (match_test "tilegx_bitfield_operand_p (ival, NULL, NULL)"))) + +(define_constraint "N" + "Integer constant that is a byte tiled out eight times" + (and (match_code "const_int") + (match_test "(ival == (ival & 0xFF) * 0x0101010101010101LL)"))) + +(define_constraint "O" + "The integer zero constant" + (and (match_code "const_int") + (match_test "ival == 0"))) + +(define_constraint "P" + "Integer constant that is a sign-extended byte tiled out as four shorts" + (and (match_code "const_int") + (match_test "(ival + == ((trunc_int_for_mode (ival, QImode) & 0xFFFF) + * 0x0001000100010001LL))"))) + +(define_constraint "Q" + "Integer constant that fits in one signed byte when incremented, but not -1" + (and (match_code "const_int") + (match_test "ival >= -129 && ival <= 126 && ival != -1"))) + +(define_constraint "S" + "Integer constant that has all 1 bits consecutive and starting at bit 0" + (and (match_code "const_int") + (match_test "ival != 0 && (ival & (ival + 1)) == 0"))) + +(define_constraint "T" + "An unspec wrapper for a symbolc operand" + (ior (match_operand 0 "const_last_symbolic_operand") + (match_operand 0 "const_symbolic_operand"))) + +(define_memory_constraint "U" + "Non-auto-incrementing memory" + (and (match_code "mem") + (match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC"))) + +(define_constraint "W" + "An 8-element vector constant with identical elements" + (and (match_code "const_vector") + (match_test "CONST_VECTOR_NUNITS (op) == 8") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 4)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 5)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 6)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 7)"))) + +(define_constraint "Y" + "A 4-element vector constant with identical elements" + (and (match_code "const_vector") + (match_test "CONST_VECTOR_NUNITS (op) == 4") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)") + (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)"))) +(define_constraint "Z0" + "The integer constant 0xffffffff" + (and (match_code "const_int") + (match_test "ival == 0xffffffff"))) + +(define_constraint "Z1" + "The integer constant 0xffffffff00000000" + (and (match_code "const_int") + (match_test "ival == (HOST_WIDE_INT)0xffffffff00000000LL"))) |