From aadf92e4eab0bc3376207b68edeb0b2bc2fd70e3 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Sun, 26 Jan 2014 11:18:12 -0800
Subject: [PATCH] 'Fixing' register clobbering by disabling a bunch of
 nonvolatile regs.

---
 src/alloy/backend/x64/x64_emitter.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/alloy/backend/x64/x64_emitter.cc b/src/alloy/backend/x64/x64_emitter.cc
index 6700b8ed4..2e17e1543 100644
--- a/src/alloy/backend/x64/x64_emitter.cc
+++ b/src/alloy/backend/x64/x64_emitter.cc
@@ -106,7 +106,13 @@ int X64Emitter::Emit(HIRBuilder* builder) {
       GetRegBit(rbp) |
       GetRegBit(rsi) |
       GetRegBit(rdi) |
-      GetRegBit(xmm0);
+      GetRegBit(xmm0) |
+
+      // TODO(benvanik): save so that we can use these.
+      GetRegBit(r8) |
+      GetRegBit(r9) |
+      GetRegBit(r10) |
+      GetRegBit(r11);
 
   // Function prolog.
   // Must be 16b aligned.