1336817Sdim//===----------------------Hexagon builtin routine ------------------------===//
2336817Sdim//
3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4353358Sdim// See https://llvm.org/LICENSE.txt for license information.
5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6336817Sdim//
7336817Sdim//===----------------------------------------------------------------------===//
8336817Sdim
9336817Sdim	.macro FUNCTION_BEGIN name
10336817Sdim	.text
11336817Sdim	.p2align 5
12336817Sdim	.globl \name
13336817Sdim	.type  \name, @function
14336817Sdim\name:
15336817Sdim	.endm
16336817Sdim
17336817Sdim	.macro FUNCTION_END name
18336817Sdim	.size  \name, . - \name
19336817Sdim	.endm
20336817Sdim
21336817Sdim#define Q6_ALIAS(TAG) .global __qdsp_##TAG ; .set __qdsp_##TAG, __hexagon_##TAG
22336817Sdim#define FAST_ALIAS(TAG) .global __hexagon_fast_##TAG ; .set __hexagon_fast_##TAG, __hexagon_##TAG
23336817Sdim#define FAST2_ALIAS(TAG) .global __hexagon_fast2_##TAG ; .set __hexagon_fast2_##TAG, __hexagon_##TAG
24336817Sdim
25336817SdimFUNCTION_BEGIN __hexagon_divsf3
26336817Sdim  {
27336817Sdim    r2,p0 = sfrecipa(r0,r1)
28336817Sdim    r4 = sffixupd(r0,r1)
29336817Sdim    r3 = ##0x3f800000   // 1.0
30336817Sdim  }
31336817Sdim  {
32336817Sdim    r5 = sffixupn(r0,r1)
33336817Sdim    r3 -= sfmpy(r4,r2):lib  // 1-(den/recip) yields error?
34336817Sdim    r6 = ##0x80000000
35336817Sdim    r7 = r3
36336817Sdim  }
37336817Sdim  {
38336817Sdim    r2 += sfmpy(r3,r2):lib
39336817Sdim    r3 = r7
40336817Sdim    r6 = r5
41336817Sdim    r0 = and(r6,r5)
42336817Sdim  }
43336817Sdim  {
44336817Sdim    r3 -= sfmpy(r4,r2):lib
45336817Sdim    r0 += sfmpy(r5,r2):lib
46336817Sdim  }
47336817Sdim  {
48336817Sdim    r2 += sfmpy(r3,r2):lib
49336817Sdim    r6 -= sfmpy(r0,r4):lib
50336817Sdim  }
51336817Sdim  {
52336817Sdim    r0 += sfmpy(r6,r2):lib
53336817Sdim  }
54336817Sdim  {
55336817Sdim    r5 -= sfmpy(r0,r4):lib
56336817Sdim  }
57336817Sdim  {
58336817Sdim    r0 += sfmpy(r5,r2,p0):scale
59336817Sdim    jumpr r31
60336817Sdim  }
61336817SdimFUNCTION_END __hexagon_divsf3
62336817Sdim
63336817SdimQ6_ALIAS(divsf3)
64336817SdimFAST_ALIAS(divsf3)
65336817SdimFAST2_ALIAS(divsf3)
66