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1 //===-- PTXBaseInfo.h - Top level definitions for PTX -------- --*- C++ -*-===//
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 // This file contains small standalone helper functions and enum definitions for
11 // the PTX target useful for the compiler back-end and the MC libraries.
12 // As such, it deliberately does not include references to LLVM core
13 // code gen types, passes, etc..
14 //
15 //===----------------------------------------------------------------------===//
16 
17 #ifndef PTXBASEINFO_H
18 #define PTXBASEINFO_H
19 
20 #include "PTXMCTargetDesc.h"
21 
22 namespace llvm {
23   namespace PTXStateSpace {
24     enum {
25       Global    = 0, // default to global state space
26       Constant  = 1,
27       Local     = 2,
28       Parameter = 3,
29       Shared    = 4
30     };
31   } // namespace PTXStateSpace
32 
33   namespace PTXPredicate {
34     enum {
35       Normal = 0,
36       Negate = 1,
37       None   = 2
38     };
39   } // namespace PTXPredicate
40 
41   /// Namespace to hold all target-specific flags.
42   namespace PTXRoundingMode {
43     // Instruction Flags
44     enum {
45       // Rounding Mode Flags
46       RndMask             = 15,
47       RndDefault          =  0, // ---
48       RndNone             =  1, // <NONE>
49       RndNearestEven      =  2, // .rn
50       RndTowardsZero      =  3, // .rz
51       RndNegInf           =  4, // .rm
52       RndPosInf           =  5, // .rp
53       RndApprox           =  6, // .approx
54       RndNearestEvenInt   =  7, // .rni
55       RndTowardsZeroInt   =  8, // .rzi
56       RndNegInfInt        =  9, // .rmi
57       RndPosInfInt        = 10  // .rpi
58     };
59   } // namespace PTXII
60 } // namespace llvm
61 
62 #endif
63 
64