From 4f2d4f466ad5f5fcb94d42bcc6e5a7549f1eab17 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sun, 19 Apr 2009 04:56:31 -0700
Subject: [PATCH] X86: Implement a locking version of INC.

---
 .../arithmetic/increment_and_decrement.py         | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py b/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
index 7afd24992..b85dc6328 100644
--- a/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
+++ b/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
@@ -74,6 +74,21 @@ def macroop INC_P
     st t1, seg, riprel, disp
 };
 
+def macroop INC_LOCKED_M
+{
+    ldstl t1, seg, sib, disp
+    addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, sib, disp
+};
+
+def macroop INC_LOCKED_P
+{
+    rdip t7
+    ldstl t1, seg, riprel, disp
+    addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, riprel, disp
+};
+
 def macroop DEC_R
 {
     subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF)