1 | //===----------------------Hexagon builtin routine ------------------------===// |
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 | |
23 | FUNCTION_BEGIN __hexagon_udivmodsi4 |
24 | { |
25 | r2 = cl0(r0) |
26 | r3 = cl0(r1) |
27 | r5:4 = combine(#1,#0) |
28 | p0 = cmp.gtu(r1,r0) |
29 | } |
30 | { |
31 | r6 = sub(r3,r2) |
32 | r4 = r1 |
33 | r1:0 = combine(r0,r4) |
34 | if (p0) jumpr r31 |
35 | } |
36 | { |
37 | r3:2 = vlslw(r5:4,r6) |
38 | loop0(1f,r6) |
39 | p0 = cmp.eq(r6,#0) |
40 | if (p0.new) r4 = #0 |
41 | } |
42 | .falign |
43 | 1: |
44 | { |
45 | p0 = cmp.gtu(r2,r1) |
46 | if (!p0.new) r1 = sub(r1,r2) |
47 | if (!p0.new) r0 = add(r0,r3) |
48 | r3:2 = vlsrw(r3:2,#1) |
49 | }:endloop0 |
50 | { |
51 | p0 = cmp.gtu(r2,r1) |
52 | if (!p0.new) r1 = sub(r1,r4) |
53 | if (!p0.new) r0 = add(r0,r3) |
54 | jumpr r31 |
55 | } |
56 | FUNCTION_END __hexagon_udivmodsi4 |
57 | |
58 | .globl __qdsp_udivmodsi4 |
59 | .set __qdsp_udivmodsi4, __hexagon_udivmodsi4 |
60 | |