From 5979d7192c9a5f85da5bf700ffe38200228137ca Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Wed, 24 Sep 2008 22:03:04 +0000
Subject: [PATCH] XMM6-XMM15 are callee-saved on Win64. Patch by Nicolas
 Capens!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56568 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86RegisterInfo.cpp | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 3a8209ae7fd..e86c6be0dd3 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -185,8 +185,11 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
   };
 
   static const unsigned CalleeSavedRegsWin64[] = {
-    X86::RBX, X86::RBP, X86::RDI, X86::RSI,
-    X86::R12, X86::R13, X86::R14, X86::R15, 0
+    X86::RBX,   X86::RBP,   X86::RDI,   X86::RSI,
+    X86::R12,   X86::R13,   X86::R14,   X86::R15,
+    X86::XMM6,  X86::XMM7,  X86::XMM8,  X86::XMM9,
+    X86::XMM10, X86::XMM11, X86::XMM12, X86::XMM13,
+    X86::XMM14, X86::XMM15, 0
   };
 
   if (Is64Bit) {
@@ -230,10 +233,15 @@ X86RegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const {
     &X86::GR64RegClass, &X86::GR64RegClass, 0
   };
   static const TargetRegisterClass * const CalleeSavedRegClassesWin64[] = {
-    &X86::GR64RegClass, &X86::GR64RegClass,
-    &X86::GR64RegClass, &X86::GR64RegClass,
-    &X86::GR64RegClass, &X86::GR64RegClass,
-    &X86::GR64RegClass, &X86::GR64RegClass, 0
+    &X86::GR64RegClass,  &X86::GR64RegClass,
+    &X86::GR64RegClass,  &X86::GR64RegClass,
+    &X86::GR64RegClass,  &X86::GR64RegClass,
+    &X86::GR64RegClass,  &X86::GR64RegClass,
+    &X86::VR128RegClass, &X86::VR128RegClass,
+    &X86::VR128RegClass, &X86::VR128RegClass,
+    &X86::VR128RegClass, &X86::VR128RegClass,
+    &X86::VR128RegClass, &X86::VR128RegClass,
+    &X86::VR128RegClass, &X86::VR128RegClass, 0
   };
 
   if (Is64Bit) {