1 /****************************************************************************
2 * checkasm-aarch64.S: assembly check tool
3 *****************************************************************************
4 * Copyright (C) 2015-2016 x264 project
6 * Authors: Martin Storsjo <martin@martin.st>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 * This program is also available under a commercial proprietary license.
23 * For more information, contact us at licensing@x264.com.
24 *****************************************************************************/
26 #include "../common/aarch64/asm.S"
31 .quad 0x21f86d66c8ca00ce
32 .quad 0x75b6ba21077c48ad
33 .quad 0xed56bb2dcb3c7736
34 .quad 0x8bda43d3fd1a7e06
35 .quad 0xb64a9c9e5d318408
36 .quad 0xdf9a54b303f1d3a3
37 .quad 0x4a75479abd64e097
38 .quad 0x249214109d5d1c88
39 .quad 0x1a1b2550a612b48c
40 .quad 0x79445c159ce79064
41 .quad 0x2eed899d5a28ddcd
42 .quad 0x86b2536fcd8cf636
43 .quad 0xb0856806085e7943
44 .quad 0x3f2bf84fc0fcca4e
45 .quad 0xacbd382dcf5b8de2
46 .quad 0xd229e1f5b281303f
47 .quad 0x71aeaff20b095fd9
48 .quad 0xab63e2e11fa38ed9
52 .asciz "failed to preserve register"
56 // max number of args used by any x264 asm function.
59 #define ARG_STACK ((8*(MAX_ARGS - 6) + 15) & ~15)
61 function x264_checkasm_call, export=1
62 stp x29, x30, [sp, #-16]!
64 stp x19, x20, [sp, #-16]!
65 stp x21, x22, [sp, #-16]!
66 stp x23, x24, [sp, #-16]!
67 stp x25, x26, [sp, #-16]!
68 stp x27, x28, [sp, #-16]!
69 stp d8, d9, [sp, #-16]!
70 stp d10, d11, [sp, #-16]!
71 stp d12, d13, [sp, #-16]!
72 stp d14, d15, [sp, #-16]!
74 movrel x9, register_init
76 ldp d10, d11, [x9], #16
77 ldp d12, d13, [x9], #16
78 ldp d14, d15, [x9], #16
79 ldp x19, x20, [x9], #16
80 ldp x21, x22, [x9], #16
81 ldp x23, x24, [x9], #16
82 ldp x25, x26, [x9], #16
83 ldp x27, x28, [x9], #16
87 sub sp, sp, #ARG_STACK
89 // first two stacked args are copied to x6, x7
91 ldr x9, [x29, #16 + 16 + pos]
103 ldp x6, x7, [x29, #16]
105 add sp, sp, #ARG_STACK
108 movrel x9, register_init
111 .macro check_reg_neon reg1, reg2
113 uzp1 v1.2d, v\reg1\().2d, v\reg2\().2d
114 eor v0.16b, v0.16b, v1.16b
115 orr v3.16b, v3.16b, v0.16b
118 check_reg_neon 10, 11
119 check_reg_neon 12, 13
120 check_reg_neon 14, 15
124 .macro check_reg reg1, reg2
125 ldp x0, x1, [x9], #16
141 movrel x0, error_message
144 ldp x0, x1, [sp], #16
145 ldp d14, d15, [sp], #16
146 ldp d12, d13, [sp], #16
147 ldp d10, d11, [sp], #16
148 ldp d8, d9, [sp], #16
149 ldp x27, x28, [sp], #16
150 ldp x25, x26, [sp], #16
151 ldp x23, x24, [sp], #16
152 ldp x21, x22, [sp], #16
153 ldp x19, x20, [sp], #16
154 ldp x29, x30, [sp], #16