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| author | Tim Northover <Tim.Northover@arm.com> | 2013-01-16 20:13:15 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-01-16 20:13:15 +0000 |
| commit | c4a04010f676ce9ff0049b0fc5d1f96a2dbe81be (patch) | |
| tree | 5c02580b16f5f3f49ffb9f7a5bbffae7f7dcc807 /lib/CodeGen | |
| parent | 214ea9de659f4bfb3cf45ec361cf8be35bc0218d (diff) | |
Correct order of operands forwarding NEON vfma to LLVM fma
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172650 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 48ed65e3c7..6678ebe71c 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -2132,7 +2132,9 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, Ops[0] = Builder.CreateBitCast(Ops[0], Ty); Ops[1] = Builder.CreateBitCast(Ops[1], Ty); Ops[2] = Builder.CreateBitCast(Ops[2], Ty); - return Builder.CreateCall3(F, Ops[0], Ops[1], Ops[2]); + + // NEON intrinsic puts accumulator first, unlike the LLVM fma. + return Builder.CreateCall3(F, Ops[1], Ops[2], Ops[0]); } case ARM::BI__builtin_neon_vpadal_v: case ARM::BI__builtin_neon_vpadalq_v: { |