1//===----------------------Hexagon builtin routine ------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10
11
12	.macro FUNCTION_BEGIN name
13	.text
14        .p2align 5
15	.globl \name
16	.type  \name, @function
17\name:
18	.endm
19
20	.macro FUNCTION_END name
21	.size  \name, . - \name
22	.endm
23
24
25FUNCTION_BEGIN __hexagon_divsi3
26	{
27		p0 = cmp.ge(r0,#0)
28		p1 = cmp.ge(r1,#0)
29		r1 = abs(r0)
30		r2 = abs(r1)
31	}
32	{
33		r3 = cl0(r1)
34		r4 = cl0(r2)
35		r5 = sub(r1,r2)
36		p2 = cmp.gtu(r2,r1)
37	}
38#if (__HEXAGON_ARCH__ == 60)
39	{
40		r0 = #0
41		p1 = xor(p0,p1)
42		p0 = cmp.gtu(r2,r5)
43	}
44		if (p2) jumpr r31
45#else
46	{
47		r0 = #0
48		p1 = xor(p0,p1)
49		p0 = cmp.gtu(r2,r5)
50		if (p2) jumpr r31
51	}
52#endif
53	{
54		r0 = mux(p1,#-1,#1)
55		if (p0) jumpr r31
56		r4 = sub(r4,r3)
57		r3 = #1
58	}
59	{
60		r0 = #0
61		r3:2 = vlslw(r3:2,r4)
62		loop0(1f,r4)
63	}
64	.falign
651:
66	{
67		p0 = cmp.gtu(r2,r1)
68		if (!p0.new) r1 = sub(r1,r2)
69		if (!p0.new) r0 = add(r0,r3)
70		r3:2 = vlsrw(r3:2,#1)
71	}:endloop0
72	{
73		p0 = cmp.gtu(r2,r1)
74		if (!p0.new) r0 = add(r0,r3)
75		if (!p1) jumpr r31
76	}
77	{
78		r0 = neg(r0)
79		jumpr r31
80	}
81FUNCTION_END __hexagon_divsi3
82
83  .globl __qdsp_divsi3
84  .set   __qdsp_divsi3, __hexagon_divsi3
85