1//===-- SystemZ.td - SystemZ processors and features ---------*- tblgen -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// Feature definitions.
11//
12//===----------------------------------------------------------------------===//
13
14class SystemZFeature<string extname, string intname, string desc>
15  : Predicate<"Subtarget->has"##intname##"()">,
16    AssemblerPredicate<"Feature"##intname, extname>,
17    SubtargetFeature<extname, "Has"##intname, "true", desc>;
18
19class SystemZMissingFeature<string intname>
20  : Predicate<"!Subtarget->has"##intname##"()">;
21
22class SystemZFeatureList<list<SystemZFeature> x> {
23  list<SystemZFeature> List = x;
24}
25
26class SystemZFeatureAdd<list<SystemZFeature> x, list<SystemZFeature> y>
27  : SystemZFeatureList<!listconcat(x, y)>;
28
29//===----------------------------------------------------------------------===//
30//
31// New features added in the Ninth Edition of the z/Architecture
32//
33//===----------------------------------------------------------------------===//
34
35def FeatureDistinctOps : SystemZFeature<
36  "distinct-ops", "DistinctOps",
37  "Assume that the distinct-operands facility is installed"
38>;
39
40def FeatureFastSerialization : SystemZFeature<
41  "fast-serialization", "FastSerialization",
42  "Assume that the fast-serialization facility is installed"
43>;
44
45def FeatureFPExtension : SystemZFeature<
46  "fp-extension", "FPExtension",
47  "Assume that the floating-point extension facility is installed"
48>;
49
50def FeatureHighWord : SystemZFeature<
51  "high-word", "HighWord",
52  "Assume that the high-word facility is installed"
53>;
54
55def FeatureInterlockedAccess1 : SystemZFeature<
56  "interlocked-access1", "InterlockedAccess1",
57  "Assume that interlocked-access facility 1 is installed"
58>;
59def FeatureNoInterlockedAccess1 : SystemZMissingFeature<"InterlockedAccess1">;
60
61def FeatureLoadStoreOnCond : SystemZFeature<
62  "load-store-on-cond", "LoadStoreOnCond",
63  "Assume that the load/store-on-condition facility is installed"
64>;
65
66def FeaturePopulationCount : SystemZFeature<
67  "population-count", "PopulationCount",
68  "Assume that the population-count facility is installed"
69>;
70
71def Arch9NewFeatures : SystemZFeatureList<[
72    FeatureDistinctOps,
73    FeatureFastSerialization,
74    FeatureFPExtension,
75    FeatureHighWord,
76    FeatureInterlockedAccess1,
77    FeatureLoadStoreOnCond,
78    FeaturePopulationCount
79]>;
80
81//===----------------------------------------------------------------------===//
82//
83// New features added in the Tenth Edition of the z/Architecture
84//
85//===----------------------------------------------------------------------===//
86
87def FeatureExecutionHint : SystemZFeature<
88  "execution-hint", "ExecutionHint",
89  "Assume that the execution-hint facility is installed"
90>;
91
92def FeatureLoadAndTrap : SystemZFeature<
93  "load-and-trap", "LoadAndTrap",
94  "Assume that the load-and-trap facility is installed"
95>;
96
97def FeatureMiscellaneousExtensions : SystemZFeature<
98  "miscellaneous-extensions", "MiscellaneousExtensions",
99  "Assume that the miscellaneous-extensions facility is installed"
100>;
101
102def FeatureProcessorAssist : SystemZFeature<
103  "processor-assist", "ProcessorAssist",
104  "Assume that the processor-assist facility is installed"
105>;
106
107def FeatureTransactionalExecution : SystemZFeature<
108  "transactional-execution", "TransactionalExecution",
109  "Assume that the transactional-execution facility is installed"
110>;
111
112def Arch10NewFeatures : SystemZFeatureList<[
113    FeatureExecutionHint,
114    FeatureLoadAndTrap,
115    FeatureMiscellaneousExtensions,
116    FeatureProcessorAssist,
117    FeatureTransactionalExecution
118]>;
119
120//===----------------------------------------------------------------------===//
121//
122// New features added in the Eleventh Edition of the z/Architecture
123//
124//===----------------------------------------------------------------------===//
125
126def FeatureLoadAndZeroRightmostByte : SystemZFeature<
127  "load-and-zero-rightmost-byte", "LoadAndZeroRightmostByte",
128  "Assume that the load-and-zero-rightmost-byte facility is installed"
129>;
130
131def FeatureLoadStoreOnCond2 : SystemZFeature<
132  "load-store-on-cond-2", "LoadStoreOnCond2",
133  "Assume that the load/store-on-condition facility 2 is installed"
134>;
135
136def FeatureVector : SystemZFeature<
137  "vector", "Vector",
138  "Assume that the vectory facility is installed"
139>;
140def FeatureNoVector : SystemZMissingFeature<"Vector">;
141
142def Arch11NewFeatures : SystemZFeatureList<[
143    FeatureLoadAndZeroRightmostByte,
144    FeatureLoadStoreOnCond2,
145    FeatureVector
146]>;
147
148//===----------------------------------------------------------------------===//
149//
150// Cumulative supported and unsupported feature sets
151//
152//===----------------------------------------------------------------------===//
153
154def Arch8SupportedFeatures
155  : SystemZFeatureList<[]>;
156def Arch9SupportedFeatures
157  : SystemZFeatureAdd<Arch8SupportedFeatures.List,  Arch9NewFeatures.List>;
158def Arch10SupportedFeatures
159  : SystemZFeatureAdd<Arch9SupportedFeatures.List,  Arch10NewFeatures.List>;
160def Arch11SupportedFeatures
161  : SystemZFeatureAdd<Arch10SupportedFeatures.List, Arch11NewFeatures.List>;
162
163def Arch11UnsupportedFeatures
164  : SystemZFeatureList<[]>;
165def Arch10UnsupportedFeatures
166  : SystemZFeatureAdd<Arch11UnsupportedFeatures.List, Arch11NewFeatures.List>;
167def Arch9UnsupportedFeatures
168  : SystemZFeatureAdd<Arch10UnsupportedFeatures.List, Arch10NewFeatures.List>;
169def Arch8UnsupportedFeatures
170  : SystemZFeatureAdd<Arch9UnsupportedFeatures.List,  Arch9NewFeatures.List>;
171
172