diff options
| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-04-13 06:31:38 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-04-13 06:31:38 +0000 |
| commit | 51b92401c9f95023a2ef27064fd5a60fd99175f5 (patch) | |
| tree | dd95389362087f96eea32f7885f751eeed874389 /lib/CodeGen | |
| parent | a1c4f7c833093f87d5187c4449a3d4534cfa40a4 (diff) | |
Implement __atomic_fetch_nand and __atomic_nand_fetch to complete our set of
GNU __atomic builtins.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154659 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGExpr.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp index c92cbb2010..08970fd738 100644 --- a/lib/CodeGen/CGExpr.cpp +++ b/lib/CodeGen/CGExpr.cpp @@ -2788,6 +2788,13 @@ EmitAtomicOp(CodeGenFunction &CGF, AtomicExpr *E, llvm::Value *Dest, case AtomicExpr::AO__atomic_fetch_xor: Op = llvm::AtomicRMWInst::Xor; break; + + case AtomicExpr::AO__atomic_nand_fetch: + PostOp = llvm::Instruction::And; + // Fall through. + case AtomicExpr::AO__atomic_fetch_nand: + Op = llvm::AtomicRMWInst::Nand; + break; } llvm::LoadInst *LoadVal1 = CGF.Builder.CreateLoad(Val1); @@ -2801,7 +2808,8 @@ EmitAtomicOp(CodeGenFunction &CGF, AtomicExpr *E, llvm::Value *Dest, llvm::Value *Result = RMWI; if (PostOp) Result = CGF.Builder.CreateBinOp(PostOp, RMWI, LoadVal1); - + if (E->getOp() == AtomicExpr::AO__atomic_nand_fetch) + Result = CGF.Builder.CreateNot(Result); llvm::StoreInst *StoreDest = CGF.Builder.CreateStore(Result, Dest); StoreDest->setAlignment(Align); } @@ -2933,9 +2941,11 @@ RValue CodeGenFunction::EmitAtomicExpr(AtomicExpr *E, llvm::Value *Dest) { case AtomicExpr::AO__atomic_fetch_and: case AtomicExpr::AO__atomic_fetch_or: case AtomicExpr::AO__atomic_fetch_xor: + case AtomicExpr::AO__atomic_fetch_nand: case AtomicExpr::AO__atomic_and_fetch: case AtomicExpr::AO__atomic_or_fetch: case AtomicExpr::AO__atomic_xor_fetch: + case AtomicExpr::AO__atomic_nand_fetch: Val1 = EmitValToTemp(*this, E->getVal1()); break; } |