From b2e9086932469a0207c037bc1c645ad59f0cf9f7 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Tue, 28 Jan 2014 20:39:44 -0800
Subject: [PATCH] Reserving volatile XMM registers (so long as we are calling
 tracers).

---
 src/alloy/backend/x64/x64_emitter.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/alloy/backend/x64/x64_emitter.cc b/src/alloy/backend/x64/x64_emitter.cc
index 5e5a9eecd..1e20c84f4 100644
--- a/src/alloy/backend/x64/x64_emitter.cc
+++ b/src/alloy/backend/x64/x64_emitter.cc
@@ -113,7 +113,10 @@ int X64Emitter::Emit(HIRBuilder* builder) {
       GetRegBit(r8) |
       GetRegBit(r9) |
       GetRegBit(r10) |
-      GetRegBit(r11);
+      GetRegBit(r11) |
+      GetRegBit(xmm1) |
+      GetRegBit(xmm2) |
+      GetRegBit(xmm3);
 
   // Function prolog.
   // Must be 16b aligned.