From 2ca70df58b15543f84af2237e9ac49237f1b51f5 Mon Sep 17 00:00:00 2001
From: Bruno Cardoso Lopes <bruno.cardoso@gmail.com>
Date: Mon, 4 Aug 2008 06:44:31 +0000
Subject: [PATCH] Handle i32->f32 bitconvert results.

llvm-svn: 54315
---
 llvm/lib/Target/Mips/MipsISelLowering.cpp | 2 +-
 llvm/lib/Target/Mips/MipsInstrFPU.td      | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index b4c795b7d9f4..04ef9588a6b3 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -138,7 +138,7 @@ MipsTargetLowering(MipsTargetMachine &TM): TargetLowering(TM)
   setOperationAction(ISD::STACKRESTORE,      MVT::Other, Expand);
   setOperationAction(ISD::MEMBARRIER,        MVT::Other, Expand);
 
-  if (Subtarget->isSingleFloat()) 
+  if (Subtarget->isSingleFloat())
     setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
 
   if (!Subtarget->hasSEInReg()) {
diff --git a/llvm/lib/Target/Mips/MipsInstrFPU.td b/llvm/lib/Target/Mips/MipsInstrFPU.td
index 312cc0b2adb5..8e05ac50a9ac 100644
--- a/llvm/lib/Target/Mips/MipsInstrFPU.td
+++ b/llvm/lib/Target/Mips/MipsInstrFPU.td
@@ -339,3 +339,8 @@ def : Pat<(i32 (fp_to_sint AFGR32:$src)), (MFC1A (TRUNC_W_AS32 AFGR32:$src))>;
 
 def : Pat<(i32 (bitconvert FGR32:$src)),  (MFC1 FGR32:$src)>;
 def : Pat<(i32 (bitconvert AFGR32:$src)), (MFC1A AFGR32:$src)>;
+
+def : Pat<(f32 (bitconvert CPURegs:$src)), (MTC1 CPURegs:$src)>,
+      Requires<[IsSingleFloat]>;
+def : Pat<(f32 (bitconvert CPURegs:$src)), (MTC1A CPURegs:$src)>,
+      Requires<[In32BitMode]>;