1 | //===------------------------- memcopy routines ---------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | |
10 | .macro FUNCTION_BEGIN name |
11 | .text |
12 | .p2align 5 |
13 | .globl \name |
14 | .type \name, @function |
15 | \name: |
16 | .endm |
17 | |
18 | .macro FUNCTION_END name |
19 | .size \name, . - \name |
20 | .endm |
21 | |
22 | FUNCTION_BEGIN __hexagon_memcpy_likely_aligned_min32bytes_mult8bytes |
23 | { |
24 | p0 = bitsclr(r1,#7) |
25 | p0 = bitsclr(r0,#7) |
26 | if (p0.new) r5:4 = memd(r1) |
27 | r3 = #-3 |
28 | } |
29 | { |
30 | if (!p0) jump .Lmemcpy_call |
31 | if (p0) memd(r0++#8) = r5:4 |
32 | if (p0) r5:4 = memd(r1+#8) |
33 | r3 += lsr(r2,#3) |
34 | } |
35 | { |
36 | memd(r0++#8) = r5:4 |
37 | r5:4 = memd(r1+#16) |
38 | r1 = add(r1,#24) |
39 | loop0(1f,r3) |
40 | } |
41 | .falign |
42 | 1: |
43 | { |
44 | memd(r0++#8) = r5:4 |
45 | r5:4 = memd(r1++#8) |
46 | }:endloop0 |
47 | { |
48 | memd(r0) = r5:4 |
49 | r0 -= add(r2,#-8) |
50 | jumpr r31 |
51 | } |
52 | FUNCTION_END __hexagon_memcpy_likely_aligned_min32bytes_mult8bytes |
53 | |
54 | .Lmemcpy_call: |
55 | #ifdef __PIC__ |
56 | jump memcpy@PLT |
57 | #else |
58 | jump memcpy |
59 | #endif |
60 | |
61 | .globl __qdsp_memcpy_likely_aligned_min32bytes_mult8bytes |
62 | .set __qdsp_memcpy_likely_aligned_min32bytes_mult8bytes, \ |
63 | __hexagon_memcpy_likely_aligned_min32bytes_mult8bytes |
64 | |