From 0c6d21933a8eabe5a5cb58b17f25ab2cbbd5799e Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Wed, 3 Apr 2013 14:40:16 +0000 Subject: PPC: Add a FIXME regarding the non-working fma+fneg Altivec pattern llvm-svn: 178658 --- llvm/lib/Target/PowerPC/PPCInstrAltivec.td | 2 ++ 1 file changed, 2 insertions(+) (limited to 'llvm/lib/Target') diff --git a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td index 572424e3be1..a5ba4c8aebe 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td +++ b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td @@ -318,6 +318,8 @@ def VMADDFP : VAForm_1<46, (outs VRRC:$vD), (ins VRRC:$vA, VRRC:$vC, VRRC:$vB), "vmaddfp $vD, $vA, $vC, $vB", VecFP, [(set v4f32:$vD, (fma v4f32:$vA, v4f32:$vC, v4f32:$vB))]>; + +// FIXME: The fma+fneg pattern won't match because fneg is not legal. def VNMSUBFP: VAForm_1<47, (outs VRRC:$vD), (ins VRRC:$vA, VRRC:$vC, VRRC:$vB), "vnmsubfp $vD, $vA, $vC, $vB", VecFP, [(set v4f32:$vD, (fneg (fma v4f32:$vA, v4f32:$vC, -- cgit v1.2.3