117 lines
4.0 KiB
Markdown
117 lines
4.0 KiB
Markdown
;; Machine Description for shared bits common to IWMMXT and Neon.
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;; Copyright (C) 2006, 2007 Free Software Foundation, Inc.
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;; Written by CodeSourcery.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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;; Vector Moves
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;; All integer and float modes supported by Neon and IWMMXT.
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(define_mode_iterator VALL [V2DI V2SI V4HI V8QI V2SF V4SI V8HI V16QI V4SF])
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;; All integer and float modes supported by Neon and IWMMXT, except V2DI.
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(define_mode_iterator VALLW [V2SI V4HI V8QI V2SF V4SI V8HI V16QI V4SF])
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;; All integer modes supported by Neon and IWMMXT
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(define_mode_iterator VINT [V2DI V2SI V4HI V8QI V4SI V8HI V16QI])
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;; All integer modes supported by Neon and IWMMXT, except V2DI
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(define_mode_iterator VINTW [V2SI V4HI V8QI V4SI V8HI V16QI])
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(define_expand "mov<mode>"
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[(set (match_operand:VALL 0 "nonimmediate_operand" "")
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(match_operand:VALL 1 "general_operand" ""))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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if (can_create_pseudo_p ())
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{
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if (GET_CODE (operands[0]) != REG)
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operands[1] = force_reg (<MODE>mode, operands[1]);
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else if (TARGET_NEON && CONSTANT_P (operands[1]))
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{
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operands[1] = neon_make_constant (operands[1]);
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gcc_assert (operands[1] != NULL_RTX);
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}
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}
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})
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;; Vector arithmetic. Expanders are blank, then unnamed insns implement
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;; patterns separately for IWMMXT and Neon.
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(define_expand "add<mode>3"
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[(set (match_operand:VALL 0 "s_register_operand" "")
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(plus:VALL (match_operand:VALL 1 "s_register_operand" "")
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(match_operand:VALL 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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(define_expand "sub<mode>3"
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[(set (match_operand:VALL 0 "s_register_operand" "")
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(minus:VALL (match_operand:VALL 1 "s_register_operand" "")
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(match_operand:VALL 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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(define_expand "mul<mode>3"
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[(set (match_operand:VALLW 0 "s_register_operand" "")
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(mult:VALLW (match_operand:VALLW 1 "s_register_operand" "")
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(match_operand:VALLW 2 "s_register_operand" "")))]
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"TARGET_NEON || (<MODE>mode == V4HImode && TARGET_REALLY_IWMMXT)"
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{
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})
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(define_expand "smin<mode>3"
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[(set (match_operand:VALLW 0 "s_register_operand" "")
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(smin:VALLW (match_operand:VALLW 1 "s_register_operand" "")
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(match_operand:VALLW 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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(define_expand "umin<mode>3"
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[(set (match_operand:VINTW 0 "s_register_operand" "")
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(umin:VINTW (match_operand:VINTW 1 "s_register_operand" "")
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(match_operand:VINTW 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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(define_expand "smax<mode>3"
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[(set (match_operand:VALLW 0 "s_register_operand" "")
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(smax:VALLW (match_operand:VALLW 1 "s_register_operand" "")
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(match_operand:VALLW 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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(define_expand "umax<mode>3"
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[(set (match_operand:VINTW 0 "s_register_operand" "")
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(umax:VINTW (match_operand:VINTW 1 "s_register_operand" "")
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(match_operand:VINTW 2 "s_register_operand" "")))]
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"TARGET_NEON
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|| (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
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{
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})
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