You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
2.9 KiB
101 lines
2.9 KiB
// The encoding used for conditional codes used in BR instructions
|
|
|
|
#ifndef LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
|
|
#define LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
|
|
|
|
#include "llvm/ADT/StringSwitch.h"
|
|
|
|
namespace llvm {
|
|
namespace LPCC {
|
|
enum CondCode {
|
|
ICC_T = 0, // true
|
|
ICC_F = 1, // false
|
|
ICC_HI = 2, // high
|
|
ICC_UGT = 2, // unsigned greater than
|
|
ICC_LS = 3, // low or same
|
|
ICC_ULE = 3, // unsigned less than or equal
|
|
ICC_CC = 4, // carry cleared
|
|
ICC_ULT = 4, // unsigned less than
|
|
ICC_CS = 5, // carry set
|
|
ICC_UGE = 5, // unsigned greater than or equal
|
|
ICC_NE = 6, // not equal
|
|
ICC_EQ = 7, // equal
|
|
ICC_VC = 8, // oVerflow cleared
|
|
ICC_VS = 9, // oVerflow set
|
|
ICC_PL = 10, // plus
|
|
ICC_MI = 11, // minus
|
|
ICC_GE = 12, // greater than or equal
|
|
ICC_LT = 13, // less than
|
|
ICC_GT = 14, // greater than
|
|
ICC_LE = 15, // less than or equal
|
|
UNKNOWN
|
|
};
|
|
|
|
inline static StringRef lanaiCondCodeToString(LPCC::CondCode CC) {
|
|
switch (CC) {
|
|
case LPCC::ICC_T:
|
|
return "t"; // true
|
|
case LPCC::ICC_F:
|
|
return "f"; // false
|
|
case LPCC::ICC_NE:
|
|
return "ne"; // not equal
|
|
case LPCC::ICC_EQ:
|
|
return "eq"; // equal
|
|
case LPCC::ICC_VC:
|
|
return "vc"; // oVerflow cleared
|
|
case LPCC::ICC_VS:
|
|
return "vs"; // oVerflow set
|
|
case LPCC::ICC_PL:
|
|
return "pl"; // plus
|
|
case LPCC::ICC_MI:
|
|
return "mi"; // minus
|
|
case LPCC::ICC_GE:
|
|
return "ge"; // greater than or equal
|
|
case LPCC::ICC_LT:
|
|
return "lt"; // less than
|
|
case LPCC::ICC_GT:
|
|
return "gt"; // greater than
|
|
case LPCC::ICC_LE:
|
|
return "le"; // less than or equal
|
|
case LPCC::ICC_UGT:
|
|
return "ugt"; // high | unsigned greater than
|
|
case LPCC::ICC_ULE:
|
|
return "ule"; // low or same | unsigned less or equal
|
|
case LPCC::ICC_ULT:
|
|
return "ult"; // carry cleared | unsigned less than
|
|
case LPCC::ICC_UGE:
|
|
return "uge"; // carry set | unsigned than or equal
|
|
default:
|
|
llvm_unreachable("Invalid cond code");
|
|
}
|
|
}
|
|
|
|
inline static CondCode suffixToLanaiCondCode(StringRef S) {
|
|
return StringSwitch<CondCode>(S)
|
|
.EndsWith("f", LPCC::ICC_F)
|
|
.EndsWith("hi", LPCC::ICC_HI)
|
|
.EndsWith("ugt", LPCC::ICC_UGT)
|
|
.EndsWith("ls", LPCC::ICC_LS)
|
|
.EndsWith("ule", LPCC::ICC_ULE)
|
|
.EndsWith("cc", LPCC::ICC_CC)
|
|
.EndsWith("ult", LPCC::ICC_ULT)
|
|
.EndsWith("cs", LPCC::ICC_CS)
|
|
.EndsWith("uge", LPCC::ICC_UGE)
|
|
.EndsWith("ne", LPCC::ICC_NE)
|
|
.EndsWith("eq", LPCC::ICC_EQ)
|
|
.EndsWith("vc", LPCC::ICC_VC)
|
|
.EndsWith("vs", LPCC::ICC_VS)
|
|
.EndsWith("pl", LPCC::ICC_PL)
|
|
.EndsWith("mi", LPCC::ICC_MI)
|
|
.EndsWith("ge", LPCC::ICC_GE)
|
|
.EndsWith("lt", LPCC::ICC_LT)
|
|
.EndsWith("gt", LPCC::ICC_GT)
|
|
.EndsWith("le", LPCC::ICC_LE)
|
|
.EndsWith("t", LPCC::ICC_T) // Has to be after others with suffix t
|
|
.Default(LPCC::UNKNOWN);
|
|
}
|
|
} // namespace LPCC
|
|
} // namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
|