6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-24 09:29:42 +00:00
Code Issues Projects Releases Wiki Activity

Simplify and avoid undefined shift. Based on patch by Ahmed Charles.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-10-13 22:40:23 +00:00
parent 63b2f8c710
commit 8e4d0429de
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -3944,8 +3944,7 @@ SDValue ARMTargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
}
// Try an immediate VMVN.
uint64_t NegatedImm = (SplatBits.getZExtValue() ^
((1LL << SplatBitSize) - 1));
uint64_t NegatedImm = (~SplatBits).getZExtValue();
Val = isNEONModifiedImm(NegatedImm,
SplatUndef.getZExtValue(), SplatBitSize,
DAG, VmovVT, VT.is128BitVector(),