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Add comments for what the condition code symbols mean.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111889 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling 2010-08-24 01:11:30 +00:00
parent 882d62e2db
commit 5e7044bd0e
1 changed files with 16 additions and 16 deletions
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32
lib/Target/ARM/ARM.h
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@ -30,22 +30,22 @@ class formatted_raw_ostream;
namespace ARMCC { namespace ARMCC {
// The CondCodes constants map directly to the 4-bit encoding of the // The CondCodes constants map directly to the 4-bit encoding of the
// condition field for predicated instructions. // condition field for predicated instructions.
enum CondCodes { enum CondCodes { // Meaning (integer) Meaning (floating-point)
EQ, EQ, // Equal Equal
NE, NE, // Not equal Not equal, or unordered
HS, HS, // Carry set >, ==, or unordered
LO, LO, // Carry clear Less than
MI, MI, // Minus, negative Less than
PL, PL, // Plus, positive or zero >, ==, or unordered
VS, VS, // Overflow Unordered
VC, VC, // No overflow Not unordered
HI, HI, // Unsigned higher Greater than, or unordered
LS, LS, // Unsigned lower or same Less than or equal
GE, GE, // Greater than or equal Greater than or equal
LT, LT, // Less than Less than, or unordered
GT, GT, // Greater than Greater than
LE, LE, // Less than or equal <, ==, or unordered
AL AL // Always (unconditional) Always (unconditional)
}; };
inline static CondCodes getOppositeCondition(CondCodes CC) { inline static CondCodes getOppositeCondition(CondCodes CC) {