xref: /freebsd/contrib/llvm-project/compiler-rt/lib/builtins/hexagon/umodsi3.S (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric//===----------------------Hexagon builtin routine ------------------------===//
2*0b57cec5SDimitry Andric//
3*0b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric//
7*0b57cec5SDimitry Andric//===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric
9*0b57cec5SDimitry Andric
10*0b57cec5SDimitry Andric	.macro FUNCTION_BEGIN name
11*0b57cec5SDimitry Andric	.text
12*0b57cec5SDimitry Andric	.p2align 5
13*0b57cec5SDimitry Andric	.globl \name
14*0b57cec5SDimitry Andric	.type  \name, @function
15*0b57cec5SDimitry Andric\name:
16*0b57cec5SDimitry Andric	.endm
17*0b57cec5SDimitry Andric
18*0b57cec5SDimitry Andric	.macro FUNCTION_END name
19*0b57cec5SDimitry Andric	.size  \name, . - \name
20*0b57cec5SDimitry Andric	.endm
21*0b57cec5SDimitry Andric
22*0b57cec5SDimitry Andric
23*0b57cec5SDimitry AndricFUNCTION_BEGIN __hexagon_umodsi3
24*0b57cec5SDimitry Andric	{
25*0b57cec5SDimitry Andric		r2 = cl0(r0)
26*0b57cec5SDimitry Andric		r3 = cl0(r1)
27*0b57cec5SDimitry Andric		p0 = cmp.gtu(r1,r0)
28*0b57cec5SDimitry Andric	}
29*0b57cec5SDimitry Andric	{
30*0b57cec5SDimitry Andric		r2 = sub(r3,r2)
31*0b57cec5SDimitry Andric		if (p0) jumpr r31
32*0b57cec5SDimitry Andric	}
33*0b57cec5SDimitry Andric	{
34*0b57cec5SDimitry Andric		loop0(1f,r2)
35*0b57cec5SDimitry Andric		p1 = cmp.eq(r2,#0)
36*0b57cec5SDimitry Andric		r2 = lsl(r1,r2)
37*0b57cec5SDimitry Andric	}
38*0b57cec5SDimitry Andric	.falign
39*0b57cec5SDimitry Andric1:
40*0b57cec5SDimitry Andric	{
41*0b57cec5SDimitry Andric		p0 = cmp.gtu(r2,r0)
42*0b57cec5SDimitry Andric		if (!p0.new) r0 = sub(r0,r2)
43*0b57cec5SDimitry Andric		r2 = lsr(r2,#1)
44*0b57cec5SDimitry Andric		if (p1) r1 = #0
45*0b57cec5SDimitry Andric	}:endloop0
46*0b57cec5SDimitry Andric	{
47*0b57cec5SDimitry Andric		p0 = cmp.gtu(r2,r0)
48*0b57cec5SDimitry Andric		if (!p0.new) r0 = sub(r0,r1)
49*0b57cec5SDimitry Andric		jumpr r31
50*0b57cec5SDimitry Andric	}
51*0b57cec5SDimitry AndricFUNCTION_END __hexagon_umodsi3
52*0b57cec5SDimitry Andric
53*0b57cec5SDimitry Andric  .globl __qdsp_umodsi3
54*0b57cec5SDimitry Andric  .set   __qdsp_umodsi3, __hexagon_umodsi3
55