From 7d52a41e320b8b22a9dde2481df2e5157e950d79 Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Wed, 3 Apr 2013 14:40:16 +0000 Subject: [PATCH] PPC: Add a FIXME regarding the non-working fma+fneg Altivec pattern git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178658 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCInstrAltivec.td | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/Target/PowerPC/PPCInstrAltivec.td b/lib/Target/PowerPC/PPCInstrAltivec.td index 572424e3be1..a5ba4c8aebe 100644 --- a/lib/Target/PowerPC/PPCInstrAltivec.td +++ b/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, -- 2.34.1