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
23FUNCTION_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
431:
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 }
56FUNCTION_END __hexagon_udivmodsi4
57
58 .globl __qdsp_udivmodsi4
59 .set __qdsp_udivmodsi4, __hexagon_udivmodsi4
60

source code of compiler-rt/lib/builtins/hexagon/udivmodsi4.S