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struct S { unsigned int i : 6, j : 11, k : 15; } b; void plus1 (unsigned int x) { b.i += x; } as: _plus1: lis r2, ha16(L_b$non_lazy_ptr) lwz r2, lo16(L_b$non_lazy_ptr)(r2) lwz r4, 0(r2) add r3, r4, r3 rlwimi r3, r4, 0, 0, 25 stw r3, 0(r2) blr instead of: _plus1: lis r2, ha16(L_b$non_lazy_ptr) lwz r2, lo16(L_b$non_lazy_ptr)(r2) lwz r4, 0(r2) rlwinm r5, r4, 0, 26, 31 add r3, r5, r3 rlwimi r3, r4, 0, 0, 25 stw r3, 0(r2) blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23379 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
ADCE.cpp | ||
BasicBlockPlacement.cpp | ||
CondPropagate.cpp | ||
ConstantProp.cpp | ||
CorrelatedExprs.cpp | ||
DCE.cpp | ||
DeadStoreElimination.cpp | ||
GCSE.cpp | ||
IndVarSimplify.cpp | ||
InstructionCombining.cpp | ||
LICM.cpp | ||
LoopStrengthReduce.cpp | ||
LoopUnroll.cpp | ||
LoopUnswitch.cpp | ||
LowerConstantExprs.cpp | ||
LowerGC.cpp | ||
LowerPacked.cpp | ||
Makefile | ||
PRE.cpp | ||
Reassociate.cpp | ||
ScalarReplAggregates.cpp | ||
SCCP.cpp | ||
SimplifyCFG.cpp | ||
TailDuplication.cpp | ||
TailRecursionElimination.cpp |