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64-bit bugfix: 0xFFFF0000 cannot be formed with a single lis.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28880 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-06-20 21:39:30 +00:00
parent f27bb6de10
commit dd58343857
1 changed files with 5 additions and 1 deletions
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6
lib/Target/PowerPC/PPCInstrInfo.td
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@ -143,7 +143,11 @@ def immZExt16 : PatLeaf<(imm), [{
def imm16Shifted : PatLeaf<(imm), [{
// imm16Shifted predicate - True if only bits in the top 16-bits of the
// immediate are set. Used by instructions like 'addis'.
return ((unsigned)N->getValue() & 0xFFFF0000U) == (unsigned)N->getValue();
if (N->getValue() & 0xFFFF) return false;
if (N->getValueType(0) == MVT::i32)
return true;
// For 64-bit, make sure it is sext right.
return N->getValue() == (uint64_t)(int)N->getValue();
}], HI16>;