1;; Machine Description for shared bits common to IWMMXT and Neon. 2;; Copyright (C) 2006, 2007 Free Software Foundation, Inc. 3;; Written by CodeSourcery. 4;; 5;; This file is part of GCC. 6;; 7;; GCC is free software; you can redistribute it and/or modify it 8;; under the terms of the GNU General Public License as published by 9;; the Free Software Foundation; either version 3, or (at your option) 10;; any later version. 11;; 12;; GCC is distributed in the hope that it will be useful, but 13;; WITHOUT ANY WARRANTY; without even the implied warranty of 14;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15;; General Public License for more details. 16;; 17;; You should have received a copy of the GNU General Public License 18;; along with GCC; see the file COPYING3. If not see 19;; <http://www.gnu.org/licenses/>. 20 21;; Vector Moves 22 23;; All integer and float modes supported by Neon and IWMMXT. 24(define_mode_iterator VALL [V2DI V2SI V4HI V8QI V2SF V4SI V8HI V16QI V4SF]) 25 26;; All integer and float modes supported by Neon and IWMMXT, except V2DI. 27(define_mode_iterator VALLW [V2SI V4HI V8QI V2SF V4SI V8HI V16QI V4SF]) 28 29;; All integer modes supported by Neon and IWMMXT 30(define_mode_iterator VINT [V2DI V2SI V4HI V8QI V4SI V8HI V16QI]) 31 32;; All integer modes supported by Neon and IWMMXT, except V2DI 33(define_mode_iterator VINTW [V2SI V4HI V8QI V4SI V8HI V16QI]) 34 35(define_expand "mov<mode>" 36 [(set (match_operand:VALL 0 "nonimmediate_operand" "") 37 (match_operand:VALL 1 "general_operand" ""))] 38 "TARGET_NEON 39 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 40{ 41 if (can_create_pseudo_p ()) 42 { 43 if (GET_CODE (operands[0]) != REG) 44 operands[1] = force_reg (<MODE>mode, operands[1]); 45 else if (TARGET_NEON && CONSTANT_P (operands[1])) 46 { 47 operands[1] = neon_make_constant (operands[1]); 48 gcc_assert (operands[1] != NULL_RTX); 49 } 50 } 51}) 52 53;; Vector arithmetic. Expanders are blank, then unnamed insns implement 54;; patterns separately for IWMMXT and Neon. 55 56(define_expand "add<mode>3" 57 [(set (match_operand:VALL 0 "s_register_operand" "") 58 (plus:VALL (match_operand:VALL 1 "s_register_operand" "") 59 (match_operand:VALL 2 "s_register_operand" "")))] 60 "TARGET_NEON 61 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 62{ 63}) 64 65(define_expand "sub<mode>3" 66 [(set (match_operand:VALL 0 "s_register_operand" "") 67 (minus:VALL (match_operand:VALL 1 "s_register_operand" "") 68 (match_operand:VALL 2 "s_register_operand" "")))] 69 "TARGET_NEON 70 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 71{ 72}) 73 74(define_expand "mul<mode>3" 75 [(set (match_operand:VALLW 0 "s_register_operand" "") 76 (mult:VALLW (match_operand:VALLW 1 "s_register_operand" "") 77 (match_operand:VALLW 2 "s_register_operand" "")))] 78 "TARGET_NEON || (<MODE>mode == V4HImode && TARGET_REALLY_IWMMXT)" 79{ 80}) 81 82(define_expand "smin<mode>3" 83 [(set (match_operand:VALLW 0 "s_register_operand" "") 84 (smin:VALLW (match_operand:VALLW 1 "s_register_operand" "") 85 (match_operand:VALLW 2 "s_register_operand" "")))] 86 "TARGET_NEON 87 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 88{ 89}) 90 91(define_expand "umin<mode>3" 92 [(set (match_operand:VINTW 0 "s_register_operand" "") 93 (umin:VINTW (match_operand:VINTW 1 "s_register_operand" "") 94 (match_operand:VINTW 2 "s_register_operand" "")))] 95 "TARGET_NEON 96 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 97{ 98}) 99 100(define_expand "smax<mode>3" 101 [(set (match_operand:VALLW 0 "s_register_operand" "") 102 (smax:VALLW (match_operand:VALLW 1 "s_register_operand" "") 103 (match_operand:VALLW 2 "s_register_operand" "")))] 104 "TARGET_NEON 105 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 106{ 107}) 108 109(define_expand "umax<mode>3" 110 [(set (match_operand:VINTW 0 "s_register_operand" "") 111 (umax:VINTW (match_operand:VINTW 1 "s_register_operand" "") 112 (match_operand:VINTW 2 "s_register_operand" "")))] 113 "TARGET_NEON 114 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))" 115{ 116}) 117