From: Craig Topper <craig.topper@gmail.com>
Date: Wed, 21 Nov 2012 05:36:24 +0000 (+0000)
Subject: Mark ISD::FMA as Legal instead of custom for x86 with FMA3/FMA4. Needed so that llvm... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3dcefc864ed818d8bda294694dfd26016ce8d997;p=oota-llvm.git

Mark ISD::FMA as Legal instead of custom for x86 with FMA3/FMA4. Needed so that llvm.muladd can be converted to ISD::FMA for fp_contract.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168413 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 3192a43bdb4..276859b0550 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1124,12 +1124,12 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
     setOperationAction(ISD::VSELECT,           MVT::v8f32, Legal);
 
     if (Subtarget->hasFMA() || Subtarget->hasFMA4()) {
-      setOperationAction(ISD::FMA,             MVT::v8f32, Custom);
-      setOperationAction(ISD::FMA,             MVT::v4f64, Custom);
-      setOperationAction(ISD::FMA,             MVT::v4f32, Custom);
-      setOperationAction(ISD::FMA,             MVT::v2f64, Custom);
-      setOperationAction(ISD::FMA,             MVT::f32, Custom);
-      setOperationAction(ISD::FMA,             MVT::f64, Custom);
+      setOperationAction(ISD::FMA,             MVT::v8f32, Legal);
+      setOperationAction(ISD::FMA,             MVT::v4f64, Legal);
+      setOperationAction(ISD::FMA,             MVT::v4f32, Legal);
+      setOperationAction(ISD::FMA,             MVT::v2f64, Legal);
+      setOperationAction(ISD::FMA,             MVT::f32, Legal);
+      setOperationAction(ISD::FMA,             MVT::f64, Legal);
     }
 
     if (Subtarget->hasAVX2()) {