From 7893ec649446a9b8f2816450003bec4bd35d02c2 Mon Sep 17 00:00:00 2001
From: Sean Callanan <scallanan@apple.com>
Date: Thu, 10 Sep 2009 19:52:26 +0000
Subject: [PATCH] Added XOR instructions for rAX and immediates of various
 widths.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81458 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86Instr64bit.td | 4 ++++
 lib/Target/X86/X86InstrInfo.td  | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index c6a28b869f6..def660fc5bc 100644
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -1003,6 +1003,10 @@ def XOR64mi32 : RIi32<0x81, MRM6m, (outs), (ins i64mem:$dst, i64i32imm:$src),
                       "xor{q}\t{$src, $dst|$dst, $src}",
              [(store (xor (loadi64 addr:$dst), i64immSExt32:$src), addr:$dst),
               (implicit EFLAGS)]>;
+              
+def XOR64i32 : RIi32<0x35, RawFrm, (outs), (ins i32imm:$src),
+                     "xor{q}\t{$src, %rax|%rax, $src}", []>;
+
 } // Defs = [EFLAGS]
 
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 3a99e92f369..f358ab67d71 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1895,6 +1895,13 @@ let isTwoAddress = 0 in {
                      "xor{l}\t{$src, $dst|$dst, $src}",
                  [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
                   (implicit EFLAGS)]>;
+                  
+  def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
+                   "xor{b}\t{$src, %al|%al, $src}", []>;
+  def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
+                        "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
+  def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
+                        "xor{l}\t{$src, %eax|%eax, $src}", []>;
 } // isTwoAddress = 0
 } // Defs = [EFLAGS]