1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
//===-- AMDGPUInstrInfo.td - AMDGPU DAG nodes --------------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains DAG node defintions for the AMDGPU target.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// AMDGPU DAG Profiles
//===----------------------------------------------------------------------===//
def AMDGPUDTIntTernaryOp : SDTypeProfile<1, 3, [
SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3>
]>;
//===----------------------------------------------------------------------===//
// AMDGPU DAG Nodes
//
// This argument to this node is a dword address.
def AMDGPUdwordaddr : SDNode<"AMDGPUISD::DWORDADDR", SDTIntUnaryOp>;
// out = a - floor(a)
def AMDGPUfract : SDNode<"AMDGPUISD::FRACT", SDTFPUnaryOp>;
// out = max(a, b) a and b are floats
def AMDGPUfmax : SDNode<"AMDGPUISD::FMAX", SDTFPBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// out = max(a, b) a and b are signed ints
def AMDGPUsmax : SDNode<"AMDGPUISD::SMAX", SDTIntBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// out = max(a, b) a and b are unsigned ints
def AMDGPUumax : SDNode<"AMDGPUISD::UMAX", SDTIntBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// out = min(a, b) a and b are floats
def AMDGPUfmin : SDNode<"AMDGPUISD::FMIN", SDTFPBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// out = min(a, b) a snd b are signed ints
def AMDGPUsmin : SDNode<"AMDGPUISD::SMIN", SDTIntBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// out = min(a, b) a and b are unsigned ints
def AMDGPUumin : SDNode<"AMDGPUISD::UMIN", SDTIntBinOp,
[SDNPCommutative, SDNPAssociative]
>;
// urecip - This operation is a helper for integer division, it returns the
// result of 1 / a as a fractional unsigned integer.
// out = (2^32 / a) + e
// e is rounding error
def AMDGPUurecip : SDNode<"AMDGPUISD::URECIP", SDTIntUnaryOp>;
def AMDGPUregister_load : SDNode<"AMDGPUISD::REGISTER_LOAD",
SDTypeProfile<1, 2, [SDTCisPtrTy<1>, SDTCisInt<2>]>,
[SDNPHasChain, SDNPMayLoad]>;
def AMDGPUregister_store : SDNode<"AMDGPUISD::REGISTER_STORE",
SDTypeProfile<0, 3, [SDTCisPtrTy<1>, SDTCisInt<2>]>,
[SDNPHasChain, SDNPMayStore]>;
// MSKOR instructions are atomic memory instructions used mainly for storing
// 8-bit and 16-bit values. The definition is:
//
// MSKOR(dst, mask, src) MEM[dst] = ((MEM[dst] & ~mask) | src)
//
// src0: vec4(src, 0, 0, mask)
// src1: dst - rat offset (aka pointer) in dwords
def AMDGPUstore_mskor : SDNode<"AMDGPUISD::STORE_MSKOR",
SDTypeProfile<0, 2, []>,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
|
