1 ;; Machine Description for shared bits common to IWMMXT and Neon.
2 ;; Copyright (C) 2006-2015 Free Software Foundation, Inc.
3 ;; Written by CodeSourcery.
5 ;; This file is part of GCC.
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)
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.
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/>.
23 (define_expand "mov<mode>"
24 [(set (match_operand:VALL 0 "nonimmediate_operand" "")
25 (match_operand:VALL 1 "general_operand" ""))]
27 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
29 if (can_create_pseudo_p ())
31 if (!REG_P (operands[0]))
32 operands[1] = force_reg (<MODE>mode, operands[1]);
33 else if (TARGET_NEON && CONSTANT_P (operands[1]))
35 operands[1] = neon_make_constant (operands[1]);
36 gcc_assert (operands[1] != NULL_RTX);
41 ;; Vector arithmetic. Expanders are blank, then unnamed insns implement
42 ;; patterns separately for IWMMXT and Neon.
44 (define_expand "add<mode>3"
45 [(set (match_operand:VALL 0 "s_register_operand" "")
46 (plus:VALL (match_operand:VALL 1 "s_register_operand" "")
47 (match_operand:VALL 2 "s_register_operand" "")))]
48 "(TARGET_NEON && ((<MODE>mode != V2SFmode && <MODE>mode != V4SFmode)
49 || flag_unsafe_math_optimizations))
50 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
54 (define_expand "sub<mode>3"
55 [(set (match_operand:VALL 0 "s_register_operand" "")
56 (minus:VALL (match_operand:VALL 1 "s_register_operand" "")
57 (match_operand:VALL 2 "s_register_operand" "")))]
58 "(TARGET_NEON && ((<MODE>mode != V2SFmode && <MODE>mode != V4SFmode)
59 || flag_unsafe_math_optimizations))
60 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
64 (define_expand "mul<mode>3"
65 [(set (match_operand:VALLW 0 "s_register_operand" "")
66 (mult:VALLW (match_operand:VALLW 1 "s_register_operand" "")
67 (match_operand:VALLW 2 "s_register_operand" "")))]
68 "(TARGET_NEON && ((<MODE>mode != V2SFmode && <MODE>mode != V4SFmode)
69 || flag_unsafe_math_optimizations))
70 || (<MODE>mode == V4HImode && TARGET_REALLY_IWMMXT)"
74 (define_expand "smin<mode>3"
75 [(set (match_operand:VALLW 0 "s_register_operand" "")
76 (smin:VALLW (match_operand:VALLW 1 "s_register_operand" "")
77 (match_operand:VALLW 2 "s_register_operand" "")))]
78 "(TARGET_NEON && ((<MODE>mode != V2SFmode && <MODE>mode != V4SFmode)
79 || flag_unsafe_math_optimizations))
80 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
84 (define_expand "umin<mode>3"
85 [(set (match_operand:VINTW 0 "s_register_operand" "")
86 (umin:VINTW (match_operand:VINTW 1 "s_register_operand" "")
87 (match_operand:VINTW 2 "s_register_operand" "")))]
89 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
93 (define_expand "smax<mode>3"
94 [(set (match_operand:VALLW 0 "s_register_operand" "")
95 (smax:VALLW (match_operand:VALLW 1 "s_register_operand" "")
96 (match_operand:VALLW 2 "s_register_operand" "")))]
97 "(TARGET_NEON && ((<MODE>mode != V2SFmode && <MODE>mode != V4SFmode)
98 || flag_unsafe_math_optimizations))
99 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
103 (define_expand "umax<mode>3"
104 [(set (match_operand:VINTW 0 "s_register_operand" "")
105 (umax:VINTW (match_operand:VINTW 1 "s_register_operand" "")
106 (match_operand:VINTW 2 "s_register_operand" "")))]
108 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
112 (define_expand "vec_perm_const<mode>"
113 [(match_operand:VALL 0 "s_register_operand" "")
114 (match_operand:VALL 1 "s_register_operand" "")
115 (match_operand:VALL 2 "s_register_operand" "")
116 (match_operand:<V_cmp_result> 3 "" "")]
118 || (TARGET_REALLY_IWMMXT && VALID_IWMMXT_REG_MODE (<MODE>mode))"
120 if (arm_expand_vec_perm_const (operands[0], operands[1],
121 operands[2], operands[3]))
127 (define_expand "vec_perm<mode>"
128 [(match_operand:VE 0 "s_register_operand" "")
129 (match_operand:VE 1 "s_register_operand" "")
130 (match_operand:VE 2 "s_register_operand" "")
131 (match_operand:VE 3 "s_register_operand" "")]
132 "TARGET_NEON && !BYTES_BIG_ENDIAN"
134 arm_expand_vec_perm (operands[0], operands[1], operands[2], operands[3]);