Enable inlining of 4 byte atomic ops on ppc32, 8 byte atomic ops on ppc64.
Also fixes a bit/byte mismatch when checking if a target supports atomic ops of a certain size.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168260 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 393d3b9..cb274fc 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -3166,11 +3166,10 @@
uint64_t Size = sizeChars.getQuantity();
CharUnits alignChars = getContext().getTypeAlignInChars(AtomicTy);
unsigned Align = alignChars.getQuantity();
- unsigned MaxInlineWidth =
- getContext().getTargetInfo().getMaxAtomicInlineWidth();
- bool UseLibcall = (Size != Align || Size > MaxInlineWidth);
-
-
+ unsigned MaxInlineWidthInBits =
+ getContext().getTargetInfo().getMaxAtomicInlineWidth();
+ bool UseLibcall = (Size != Align ||
+ getContext().toBits(sizeChars) > MaxInlineWidthInBits);
llvm::Value *Ptr, *Order, *OrderFail = 0, *Val1 = 0, *Val2 = 0;
Ptr = EmitScalarExpr(E->getPtr());