From 5af29c2e5709b56de701fa4adb4705b9f84973c8 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 26 Sep 2008 01:39:32 +0000
Subject: [PATCH] Disable support for x86_f80 in X86FastISel. Supporting it
would require more work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56637 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/X86/X86FastISel.cpp | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index b7ff7494c05..0a3f5204868 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -216,9 +216,8 @@ bool X86FastISel::X86FastEmitLoad(MVT VT, const X86AddressMode &AM,
}
break;
case MVT::f80:
- Opc = X86::LD_Fp80m;
- RC = X86::RFP80RegisterClass;
- break;
+ // No f80 support yet.
+ return false;
}
ResultReg = createResultReg(RC);
@@ -274,9 +273,8 @@ X86FastISel::X86FastEmitStore(MVT VT, unsigned Val,
}
break;
case MVT::f80:
- Opc = X86::ST_FP80m;
- RC = X86::RFP80RegisterClass;
- break;
+ // No f80 support yet.
+ return false;
}
addFullAddress(BuildMI(MBB, TII.get(Opc)), AM).addReg(Val);
@@ -1169,9 +1167,8 @@ unsigned X86FastISel::TargetMaterializeConstant(Constant *C) {
}
break;
case MVT::f80:
- Opc = X86::LD_Fp80m;
- RC = X86::RFP80RegisterClass;
- break;
+ // No f80 support yet.
+ return false;
}
// Materialize addresses with LEA instructions.