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struct S { unsigned int i : 6, j : 11, k : 15; } b; void plus3 (unsigned int x) { b.k += x; } to: _plus3: lis r2, ha16(L_b$non_lazy_ptr) lwz r2, lo16(L_b$non_lazy_ptr)(r2) lwz r3, 0(r2) rlwinm r4, r3, 0, 0, 14 add r4, r4, r3 rlwimi r4, r3, 0, 15, 31 stw r4, 0(r2) blr instead of: _plus3: lis r2, ha16(L_b$non_lazy_ptr) lwz r2, lo16(L_b$non_lazy_ptr)(r2) lwz r4, 0(r2) srwi r5, r4, 17 add r3, r5, r3 slwi r3, r3, 17 rlwimi r3, r4, 0, 15, 31 stw r3, 0(r2) blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23381 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
Hello | ||
Instrumentation | ||
IPO | ||
Scalar | ||
Utils | ||
ExprTypeConvert.cpp | ||
LevelRaise.cpp | ||
Makefile | ||
TransformInternals.cpp | ||
TransformInternals.h |