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Describe PPC predicates, which are a pair of CR# and condition.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31438 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2006-11-03 23:53:25 +00:00
parent 60a09a5d6d
commit 0638b260dc
1 changed files with 4 additions and 0 deletions
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4
lib/Target/PowerPC/PPCInstrInfo.td
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@ -255,6 +255,10 @@ def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
let MIOperandInfo = (ops i32imm, ptr_rc);
}
// PowerPC Predicate operand. 20 = always, CR0 is a dummy reg that doesn't
// matter.
def pred : PredicateOperand<(ops imm, CRRC), (ops 20, CR0)>;
// Define PowerPC specific addressing mode.
def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;