From: Akira Hatanaka <ahatanak@gmail.com>
Date: Fri, 9 Sep 2011 21:31:46 +0000 (+0000)
Subject: Mips32 does not reserve even-numbered floating point registers.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9a439affd74e7d4ad77dc7a28a16319d6e08db19;p=oota-llvm.git

Mips32 does not reserve even-numbered floating point registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139412 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index 94e84d764de..c12b3560ee6 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -132,11 +132,6 @@ getReservedRegs(const MachineFunction &MF) const {
   Reserved.set(Mips::F31);
   Reserved.set(Mips::D15);
 
-  // SRV4 requires that odd register can't be used.
-  if (!Subtarget.isSingleFloat() && !Subtarget.isMips32())
-    for (unsigned FReg=(Mips::F0)+1; FReg < Mips::F30; FReg+=2)
-      Reserved.set(FReg);
-
   return Reserved;
 }